Actin-Binding Proteins in Cell Motility

Achenbach, 1982, The influence of mechanical stimuli on the oscillatory contraction activity of Physarum polycephalum., Cell Biol. Int. Rep., 6, 1005, 10.1016/0309-1651(82)90015-7 Achenbach, 1979, Plasmalemma invaginations, contraction and locomotion in normal and caffeine-treated protoplasmic drops of Physarum., Eur. J. Cell Biol, 20, 12 Achenbach, 1981, Morphogenesis and disassembly of the circular plasmalemma invagination system in Physarum polycephalum., Differentiation, 19, 179, 10.1111/j.1432-0436.1981.tb01145.x Adams, 1986, Propulsion of organelles isolated from Acanthamoeba along actin filaments by myosin-I., Nature (London), 322, 754, 10.1038/322754a0 Adams, 1989, Binding of myosin I to membrane lipids., Nature (London), 340, 565, 10.1038/340565a0 Adelman, 1969, Further purification and characterization of slime mold myosin and slime mold actin, Biochemistry, 8, 4976, 10.1021/bi00840a047 Aktories, 1986, Botulinum C2 toxin ADP-ribosylates actin., Nature (London), 322, 390, 10.1038/322390a0 Albanesi, 1985, Monomelic Acanthamoeba myosins-I support movement in vitro, J. Biol. Chem., 260, 8649, 10.1016/S0021-9258(17)39394-8 Albanesi, 1983, The interaction of F-actin with phosphorylated and unphosphorylated myosins IA and IB from Acanthamoeba castellanii., J. Biol. Chem., 258, 10,176, 10.1016/S0021-9258(17)44621-7 Allen, 1961, Ameboid movement., 2, 135 Allen, 1959, The consistency of ameba cytoplasm and its bearing on the mechanism of ameboid movement. I. An analysis of endoplasmic velocity profiles of Chaos chaos (L.), J. Biophys. Biochem. Cytol., 6, 437, 10.1083/jcb.6.3.437 Allera, 1971, Weitreichende fibriläre Protoplasmadifferenzierungen und ihre Bedeutung für die Protoplasmastromung. VIII. Identifizierung der plasmafilamente von Physarum polycephalum als F-actin durch Anlagerung von heavy meromyosin in situ., Cytobiologie, 4, 437 Ampe, 1987, The F-actin capping proteins of Physarum polycephalum cap42(a) is very similar, if not identical, to fragmin and is structurally and functionally very homologous to gelsolin; cap42(b) is Physarum actin., EMBO J., 6, 4149, 10.1002/j.1460-2075.1987.tb02761.x André, 1988, Severin, gelsolin, and villin share a homologous sequence in regions presumed to contain F-actin severing domains, J. Biol. Chem., 263, 722, 10.1016/S0021-9258(19)35412-2 Arpin, 1988, Sequence of human villin: A large duplicated domain homologous with other actin-severing proteins and a unique small carboxy-terminal domain related to villin specificity, J. Cell Biol., 107, 1759, 10.1083/jcb.107.5.1759 Ashino, 1987, Purification of an 80 kDa Ca2+ dependent actin modulating protein, which severs actin filaments, from bovine adrenal medulla, J. Biochem., 101, 609, 10.1093/jb/101.3.609 Baelen, 1980, Vitamin D-binding protein (Gc-globulin) binds actin, J. Biol. Chem., 255, 2270, 10.1016/S0021-9258(19)85885-4 Bamburg, 1980, Partial purification and characterization of an actin depolymerizing factor from brain, FEBS Lett., 121, 178, 10.1016/0014-5793(80)81292-0 Banno, 1992, Effects of gelsolin on human platelet cytosolic phosphoinositide-phospholipase C isozymes, J. Biol. Chem., 267, 6488, 10.1016/S0021-9258(19)50454-9 Bazari, 1988, Villin sequence and peptide map identify six homologous domains, Proc. Natl. Acad. Sci. USA, 85, 4986, 10.1073/pnas.85.14.4986 Begg, 1978, The visualization of actin filament polarity in thin sections, J. Cell Biol., 79, 846, 10.1083/jcb.79.3.846 Bennett, 1988, Isolation of an immunoreactive analogue of brain fodrin that is associated with the cell cortex of Dictyostelium amoebae, Cell Motil. Cytoskel., 11, 303, 10.1002/cm.970110408 Blanchard, 1989, The structure and function of alphaactinin, J. Muscle Res. Cell Motil., 10, 280, 10.1007/BF01758424 Bonder, 1983, Direct measurement of critical concentrations and assembly rate constants at the two ends of an actin filament, Cell, 34, 491, 10.1016/0092-8674(83)90382-3 Bretscher, 1981, Fimbrin is a cytoskeletal protein that crosslinks F-actin in vitro, Proc. Natl. Acad. Sci. USA, 78, 6849, 10.1073/pnas.78.11.6849 Bretscher, 1980, Villin is a major protein of the microvillus cytoskeleton which binds both G and F actin in a calcium-dependent manner, Cell, 20, 839, 10.1016/0092-8674(80)90330-X Bretscher, 1980, Fimbrin, a new microfilament-associated protein present in microvilli and other cell surface structures, J. Cell Biol., 86, 335, 10.1083/jcb.86.1.335 Bretscher, 1979, Villin: The major microfilament-associated protein of the intestinal microvillus, Proc. Natl. Acad. Sci. USA, 76, 2321, 10.1073/pnas.76.5.2321 Brix, 1987, Studies on microplasmodia of Physarum polycephalum. V. Correlation of cell surface morphology, microfilament organization and motile activity., Protoplasma, 137, 156, 10.1007/BF01281151 Brown, 1982, A 40,000-dalton protein from Dictyostelium discoideum affects assembly properties of actin in a Ca2+ -dependent manner, J. Cell Biol., 93, 205, 10.1083/jcb.93.1.205 Bryan, 1988, Gelsolin has three actin-binding sites, J. Cell Biol., 106, 1553, 10.1083/jcb.106.5.1553 Bryan, 1978, Separation and interaction of the major components of sea urchin actin geI, J. Mol. Biol., 125, 207, 10.1016/0022-2836(78)90345-5 Bryan, 1984, Actin-gelsolin interactions. Evidence for two actin-binding sites., J. Biol. Chem., 259, 7480, 10.1016/S0021-9258(17)42816-X Bryan, 1986, Definition of an NH2-terminal actin-binding domain and a COOH-terminal Ca2+ regulatory domain in human brevin, J. Cell Biol., 102, 1439, 10.1083/jcb.102.4.1439 Brzeska, 1988, Localization of the actin-binding sites of Acanthamoeba myosin-IB and effect of limited proteolysis on its actin-activated Mg2+ ATPase activity, J. Biol. Chem., 263, 427, 10.1016/S0021-9258(19)57410-5 Brzeska, 1989, The effect of actin and phosphorylation on the tryptic cleavage pattern of Acanthamoeba myosin IA., J. Biol. Chem., 264, 10,243, 10.1016/S0021-9258(18)81791-4 Buckley, 1975, Three dimensional fine structure of cultured cells: Possible implication for subcellular motility., Tissue Cell, 7, 51, 10.1016/S0040-8166(75)80007-3 Buckley, 1981, Fine-structural and related aspects of nonmuscle-cell motility., 135 Buckley, 1967, Cytoplasmic fibrils in living cultured cells. A light and electron microscope study., Protoplasma, 64, 349, 10.1007/BF01666538 Burridge, 1981, Are stress fibers contractile?, Nature (London), 294, 691, 10.1038/294691a0 Burridge, 1981, Non-muscle alpha actinins are calcium-sensitive actin-binding proteins., Nature (London), 294, 565, 10.1038/294565a0 Burridge, 1987, Adhesion plaques: sites of transmembrane interaction between the extracellular matrix and the actin cytoskeleton, J. Cell Sci. Suppl., 8, 211, 10.1242/jcs.1987.Supplement_8.12 Byers, 1984, Organization and function of stress fibers in cells in vitro and situ., 5, 83 Carlsson, 1979, Reorganization of actin in platelets stimulated by thrombin as measured by the DNase I inhibition assay, Proc. Natl. Acad. Sci. USA, 76, 6376, 10.1073/pnas.76.12.6376 Carlsson, 1977, Actin polymerizability is influenced by profilin, a low molecular weight protein in non-muscle cells, J. Mol. Biol., 115, 465, 10.1016/0022-2836(77)90166-8 Carron, 1986, A reevaluation of cytoplasmic gelsolin localization, J. Cell Biol., 102, 237, 10.1083/jcb.102.1.237 Chaponnier, 1986, The actin filament-severing domain of plasma gelsolin, J. Cell Biol., 103, 1473, 10.1083/jcb.103.4.1473 Chaponnier, 1987, Reversibility of gelsolin/actin interaction in macrophages. Evidence of Ca2+ -dependent and Ca2+ -independent pathways., J. Exp. Med., 165, 97, 10.1084/jem.165.1.97 Clarke, 1974, Biochemical and structural studies of actomyosin-like proteins from non-muscle cells. Isolation and characterization of myosin from amoebae of Diclyostelium discoideum., J. Mol. Biol., 86, 209, 10.1016/0022-2836(74)90013-8 Coleman, 1989, Functional diversity among spectrin isomers, Cell Motil. Cytoskel., 12, 225, 10.1002/cm.970120405 Collins, 1980, Actin activation of Ca2+ -sensitive Mg2+ -ATPase activity of Acanthamoeba myosin II is enhanced by dephosphorylation of its heavy chains, J. Biol. Chem., 255, 8011, 10.1016/S0021-9258(19)70594-8 Collins, 1981, Purification and characterization of actin-activatable, Ca2+ -sensitive myosin II from Acanthamoeba., J. Biol. Chem., 256, 2586, 10.1016/S0021-9258(19)69823-6 Collins, 1982, Comparison of the actin binding and filament formation properties of phosphorylated and dephosphorylated Acanthamoeba myosin II, Biochemistry, 21, 6910, 10.1021/bi00269a045 Condeelis, 1977, The contractile basis of amoeboid movement. V. The control of gelation, solation, and contraction in extracts from Dictyostelium discoideum., J. Cell Biol., 74, 901, 10.1083/jcb.74.3.901 Cooper, 1987, Microinjection of gelsolin into living cells, J. Cell Biol., 104, 491, 10.1083/jcb.104.3.491 Cooper, 1988, Localization and mobility of gelsolin in cells, J. Cell Biol., 106, 1229, 10.1083/jcb.106.4.1229 Côté, 1981, Identification of three phosphorylation sites on each heavy chain of Acanthamoeba myosin II., J. Biol. Chem., 256, 12,811, 10.1016/S0021-9258(18)42967-5 Craig, 1982, Actin-binding proteins, Trends Biochem. Sci., 7, 88, 10.1016/0968-0004(82)90153-0 De Lozanne, 1987, Disruption of the Dictyostelium myosin heavy chain gene by homologous recombination, Science, 236, 1086, 10.1126/science.3576222 D’Haese, 1979, Aggregation properties of non-muscle myosins., 105 Doberstein, 1989, Recombinant myosin-I fusion proteins bind isolated membranes., J. Cell Biol., 109, 86a Doi, 1987, Plasma-gelsolin-binding sites on the actin sequence, Eur. J. Biochem., 164, 89, 10.1111/j.1432-1033.1987.tb10997.x Drenckhahn, 1980, Immunocytochemical localization of myosin in the brush border region of the intestinal epithelium, Cell Tissue Res., 205, 163, 10.1007/BF00234452 Ebashi, 1964, A new protein factor promoting contraction of actomyosin., Nature (London), 203, 645, 10.1038/203645a0 Fleischer, 1975, Correlation between tension force generation, fibrillogenesis and ultrastructure of cytoplasmic actomyosin during isometric and isotonic contractions of protoplasmic strands, Cytobiologie, 10, 339 Frieden, 1985, Actin and tubulin polymerization: The use of kinetic methods to determine mechanism, Ann. Rev. Biophys. Biophys. Chem., 14, 189, 10.1146/annurev.bb.14.060185.001201 Friederich, 1989, Villin induces microvilli growth and actin redistribution in transfected fibroblasts, Cell, 59, 461, 10.1016/0092-8674(89)90030-5 Früst, 1988, The organization of titin filaments in the half-sarcomere revealed by monoclonal antibodies in immunoelectron microscopy: A map of ten nonrepetitive epitopes starting at the Z line extends close to the M line, J. Cell Biol., 106, 1563, 10.1083/jcb.106.5.1563 Fuchtbauer, 1983, Disruption of microfilament organization after injection of F-actin capping proteins into living tissue cells., Nature (London), 304, 361, 10.1038/304361a0 Fujime, 1972, Plasmodium actin polymers studied by quasielastic scattering of laser light, J. Mechanochem. Cell Motil., 1, 81 Fujisaki, 1985, Experimental evidences for the contractile activities of Acanthamoeba myosin-IA and myosin-IB, J. Biol. Chem., 260, 1183, 10.1016/S0021-9258(17)39163-9 Fujiwara, 1976, Fluorescent antibody localization of myosin in the cytoplasm, cleavage furrow, and mitotic spindle of human cells, J. Cell Biol., 71, 848, 10.1083/jcb.71.3.848 Fukui, 1989, Myosin 1 is located at the leading edges of locomoting Dictyostelium amoebae., Nature (London), 341, 328, 10.1038/341328a0 Furuhashi, 1989, A fragmin-like protein from Plasmodium of Physarum polycephalum that severs F-actin and caps the barbed end of F-actin in a Ca2+ -sensitive way, J. Biochem., 106, 311, 10.1093/oxfordjournals.jbchem.a122850 Furuhashi, 1990, Control of actin filament length by phosphorylation of fragmin-actin complex, J. Cell Biol., 111, 1081, 10.1083/jcb.111.3.1081 Furuhashi, 1992, Actin kinase: a protein kinase that phosphorylates actin of fragmin-actin complex, J. Biochem., 111, 366, 10.1093/oxfordjournals.jbchem.a123763 Furuhashi, 1992, Phosphorylation by actin kinase of pointed end-domain on the actin molecule, J. Biol. Chem., 267, 9326, 10.1016/S0021-9258(19)50427-6 Gassner, 1985, A giant titin-like protein in Physarum polycephalum Evidence for its candidacy as a major component of an elastic cytoskeletal superthin filament lattice, Eur. J. Cell Biol., 37, 44 Geiger, 1987, Molecular interactions in adherens-type contacts, J. Cell Sci. Suppl., 8, 251, 10.1242/jcs.1987.Supplement_8.14 Gettemans, 1992, Physarum actin is phosphorylated as the actin-fragmin complex at residues Thr203 and Thr202 by a specific 80 kDa kinase., EMBO J., 11, 3185, 10.1002/j.1460-2075.1992.tb05395.x Gettemans, 1993, Purification and partial amino acid sequence of the actin-fragmin kinase from Physarum polycephalum., Eur. J. Biochem., 214, 111, 10.1111/j.1432-1033.1993.tb17902.x Giuliano, 1988, Properties of purified actin depolymerizing factor from chick brain, Biochemistry, 27, 8931, 10.1021/bi00425a009 Glenney, 1981, Demonstration of at least two different actin-binding sites in villin, a calcium-regulated modulator of F-actin organization, J. Biol. Chem., 256, 8156, 10.1016/S0021-9258(18)43401-1 Glenney, 1982, An F-actin- and calmodulin-binding protein from isolated intestinal brush borders has a morphology related to spectrin, Cell, 28, 843, 10.1016/0092-8674(82)90063-0 Glenney, 1981, Calcium control of microfilaments: Uncoupling of the F-actin-severing and -bundling activity of villin by limited proteolysis in vitro, Proc. Natl. Acad. Sci. USA, 78, 2810, 10.1073/pnas.78.5.2810 Goldman, 1975, The distribution of actin in non-muscle cells. The use of actin antibody in the localization of actin within the microfilament bundles of mouse 3T3 cells., Exp. Cell Res., 90, 333, 10.1016/0014-4827(75)90323-7 Goldschmidt-Clermont, 1990, The actin-binding protein profilin binds to PIP2 and inhibits its hydrolysis by phospholipase, C. Science, 247, 1575, 10.1126/science.2157283 Goodman, 1982, Myxoamoebae: Structure and physiology., 2, 101 Grazi, 1979, Phosphorylation of actin and removal of its inhibitory activity on pancreatic DNAse I by liver plasma membranes, FEBS Lett., 104, 284, 10.1016/0014-5793(79)80833-9 Griffith, 1987, Myosin light chain kinase and myosin light chain phosphatase from Dictyostelium Effects of reversible phosphorylation on myosin structure and function, J. Cell Biol., 104, 1309, 10.1083/jcb.104.5.1309 Haarer, 1990, Structure and function of profilin, Cell Motil. Cytoskel., 17, 71, 10.1002/cm.970170202 Hammer, 1983, Purification and characterization of a myosin I heavy chain kinase from Acanthamoeba castellanii., J. Biol. Chem., 258, 10,168, 10.1016/S0021-9258(17)44620-5 Hammer, 1987, Complete nucleotide sequence and deduced polypeptide sequence of a nonmuscle myosin heavy chain gene from Acanthamoeba Evidence of a hinge in the rod-like tail, J. Cell Biol., 105, 913, 10.1083/jcb.105.2.913 Hanson, 1963, The structure of F-actin and of actin filaments isolated from muscle, J. Mol. Biol., 6, 46, 10.1016/S0022-2836(63)80081-9 Harris, 1981, Characterization of brevin, a serum protein that shortens actin filaments, Proc. Natl. Acad. Sci. USA, 78, 6798, 10.1073/pnas.78.11.6798 Harris, 1983, Plasma actin depolymerizing factor has both calcium-dependent and calcium-independent effects on actin, Biochemistry, 22, 2728, 10.1021/bi00280a022 Hartwig, 1991, Actin-binding proteins, Curr. Opin. Cell Biol., 3, 87, 10.1016/0955-0674(91)90170-4 Hartwig, 1975, Isolation and properties of actin, myosin and a new actin-binding protein in rabbit alveolar macrophages, J. Biol. Chem., 250, 5696, 10.1016/S0021-9258(19)41235-0 Hartwig, 1981, The structure of macrophage actin-binding protein molecules in solution and interacting with actin filaments, J. Mol. Biol., 145, 563, 10.1016/0022-2836(81)90545-3 Hartwig, 1989, Association of gelsolin with actin filaments and cell membranes of macrophages and platelets, J. Cell Biol., 108, 467, 10.1083/jcb.108.2.467 Hasegawa, 1980, Fragmin: A calcium ion sensitive regulatory factor on the formation of actin filaments, Biochemistry, 19, 2677, 10.1021/bi00553a021 Hatano, 1970, Specific effect of Ca2+ on movement of plasmodial fragment obtained by caffeine treatment, Exp. Cell Res., 61, 199, 10.1016/0014-4827(70)90274-0 Hatano, 1972, Conformational changes of Plasmodium actin polymers formed in the presence of Mg+ +, J. Mechanochem. Cell Motil., 1, 75 Hatano, 1970, Purification and characterization of myosin A from the myxomycete Plasmodium, Biochim. Biophys. Acta, 205, 110, 10.1016/0005-2728(70)90067-8 Hatano, 1966, Isolation and characterization of Plasmodium actin, Biochim. Biophys. Acta, 127, 488, 10.1016/0304-4165(66)90402-8 Hatano, 1976, Actin and actinin from myxomycete Plasmodia., 3, 499 Hatano, 1977, A simple method for the isolation of actin from myxomycete Plasmodia, J. Biochem., 82, 201, 10.1093/oxfordjournals.jbchem.a131670 Hatano, 1983, Regulatory proteins of actin polymerization from Physarum Plasmodium and classification of actin-associated proteins., 277 Hatano, 1968, Isolation, purification and characterization of myosin B from myxomycete Plasmodium, Biochim. Biophys. Acta, 154, 507, 10.1016/0005-2795(68)90011-1 Hatano, 1971, Structure of myosin A from the myxomycete Plasmodium and its aggregation at low salt concentrations, J. Mechanochem. Cell Motil., 1, 7 Hatano, 1967, Polymerization of Plasmodium actin, Biochim. Biophys. Acta, 140, 109, 10.1016/0005-2795(67)90385-6 Hatano, 1972, The polymerization of Plasmodium actin in the presence of divalent cations, J. Mechanochem. Cell Motil., 1, 67 Hellewell, 1979, The contractile basis of amoeboid movement. VI. The solation-contraction coupling hypothesis., J. Cell Biol., 83, 633, 10.1083/jcb.83.3.633 Herman, 1981, Electron microscopic localization of cytoplasmic myosin with ferritin-labeled antibodies, J. Cell Biol., 88, 346, 10.1083/jcb.88.2.346 Herman, 1981, Relation between cell activity and the distribution of cytoplasmic actin and myosin, J. Cell Biol., 90, 84, 10.1083/jcb.90.1.84 Higashi-Fujime, 1991, Reconstitution of active movement in vitro based on the actinmyosin interaction, Int. Rev. Cytol., 125, 95, 10.1016/S0074-7696(08)61217-6 Hinssen, 1981, An actin-modulating protein from Physarum polycephalum. I. Isolation and purification., Eur. J. Cell Biol., 23, 225 Hinssen, 1981, An actin-modulating protein from Physarum polycephalum. II. Ca+ + -dependence and other properties., Eur. J. Cell Biol., 23, 234 Hinssen, 1978, Mode of filament assembly of myosins from muscle and nonmuscle cells, J. Ultrastruct. Res., 64, 282, 10.1016/S0022-5320(78)90037-0 Hinssen, 1984, A Ca2+ -dependent actin modulator from vertebrate smooth muscle, FEBS Lett., 166, 90, 10.1016/0014-5793(84)80051-4 Hirokawa, 1982, The organization of actin, myosin, and intermediate filaments in the brush border of intestinal epithelial cells, J. Cell Biol., 94, 425, 10.1083/jcb.94.2.425 Hitchcock, 1976, Depolymerization of F-actin by deoxyribonuclease I, Cell, 7, 531, 10.1016/0092-8674(76)90203-8 Hoffmann, 1981, Studies on microplasmodia of Physarum polycephalum. IV. Three-dimensional reconstruction of a dumb-bell-shaped microplasmodium., Microscopica Acta, 85, 59 Holmes, 1990, Atomic model of the actin filament., Nature (London), 347, 44, 10.1038/347044a0 Howe, 1980, Brush-border calmodulin. A major component of the isolated microvillus core., J. Cell Biol., 85, 916, 10.1083/jcb.85.3.916 Huxley, 1963, Electron microscope studies on the structure of natural and synthetic protein filaments form striated muscle, J. Mol. Biol., 7, 281, 10.1016/S0022-2836(63)80008-X Huxley, 1954, Changes in the cross-striations of muscle during contraction and stretch and their structural interpretation., Nature (London), 173, 973, 10.1038/173973a0 Huxley, 1954, Structural changes in muscle during contraction. Interference microscopy of living muscle fibres., Nature (London), 173, 971, 10.1038/173971a0 Isenberg, 1976, Transformation of cytoplasmic actin: Importance for the organization of the contractile gel reticulum and the contraction-relaxation cycle of cytoplasmic actomyosin, Cell Tissue Res., 173, 495, 10.1007/BF00224311 Isenberg, 1976, Cytoplasmic actomyosin fibrils in tissue culture cells: Direct proof of contractility by visualization of ATP-induced contraction in fibrils isolated by laser micro-beam dissection, Cell Tissue Res., 166, 427, 10.1007/BF00225909 Ishigami, 1986, Dynamic aspects of the contractile system in Physarum Plasmodium. I. Changes in spatial organization of the cytoplasmic fibrils according to the contraction-relaxation cycle., Cell Motil. Cytoskel., 6, 439, 10.1002/cm.970060502 Ishigami, 1987, Dynamic aspects of the contractile system in Physarum Plasmodium. III. Cyclic contraction-relaxation of the plasmodial fragment in accordance with the generation-degeneration of cytoplasmic actomyosin fibrils., J. Cell Biol., 105, 381, 10.1083/jcb.105.1.381 Ishigami, 1981, A polarized light and electron microscopic study of the birefringent fibrils in Physarum Plasmodia, Protoplasma, 109, 91, 10.1007/BF01287632 Ishigami, 1986, Dynamic aspects of the contractile system in Physarum Plasmodium. II. Contractility of Triton cell models in accordance with the contraction and relaxation phases of Plasmodia., Cell Motil. Cytoskel., 6, 448, 10.1002/cm.970060503 Ishikawa, 1969, Formation of arrowhead complexes with heavy meromyosin in a variety of cell types, J. Cell Biol., 43, 312, 10.1083/jcb.43.2.312 Itano, 1991, F-actin bundling protein from Physarum polycephalum Purification and its capacity for co-bundling of actin filaments and microtubules, Cell Motil. Cytoskel., 19, 244, 10.1002/cm.970190403 Janmey, 1987, Polyphoosphoinositide micelles and polyphosphoinositide-containing vesicles dissociate endogenous gelsolinactin complexes and promote actin assembly from the fast-growing end of actin filaments blocked by gelsolin., J. Biol. Chem., 262, 12,228, 10.1016/S0021-9258(18)45341-0 Janmey, 1988, Functional comparison of villin and gelsolin: Effects of Ca2+, KC1 and polyphosphoinositides., J. Biol. Chem., 263, 16,738, 10.1016/S0021-9258(18)37453-2 Janmey, 1987, Modulation of gelsolin function by phosphatidylinositol 4, 5-bisphosphate., Nature (London), 325, 362, 10.1038/325362a0 Jung, 1987, The heavy chain of Acanthamoeba myosin IB is a fusion of myosin-like and non-myosin-like sequences, Proc. Natl. Acad. Sci. USA, 84, 6720, 10.1073/pnas.84.19.6720 Jung, 1989, Myosin-I heavy-chain genes of Acanthamoeba castellanii Cloning of a second gene and evidence for the existence of the third isoform, Gene, 82, 269, 10.1016/0378-1119(89)90052-8 Kabsch, 1990, Atomic structure of the actin: DNase I complex., Nature (London), 347, 37, 10.1038/347037a0 Kamiya, 1959, Protoplasmic streaming., Protoplasmatologia, 8, 1 Kamiya, 1973, Contractile characteristics of the myxomycete Plasmodium., Proc. 4th Int. Biophysics Congr. Moscow, 447 Kamiya, 1979, Dynamic aspects of movement in the myxomycete Plasmodium., 399 Kamiya, 1972, Contractile properties of the slime mold strand, Acta Protozoal., 11, 113 Kamiya, 1958, Studies on the velocity distribution of the protoplasmic streaming in the myxomycete Plasmodium, Protoplasma, 49, 1, 10.1007/BF01248113 Kamiya, 1965, Rotational protoplasmic streaming in Nitella and some physical properties of the endoplasm., Proc. 4th Int. Congr. Rheol., 157 Kamiya, 1972, Dynamic characteristics of the cytoplasm. A study on the plasmodial strand of a myxomycete., 167 Kamiya, 1972, Mg-polymer of actin formed under the influence of beta-actinin, Biochim. Biophys. Acta, 256, 120, 10.1016/0005-2728(72)90167-3 Kane, 1975, Preparation and purification of polymerized actin from sea urchin egg extracts, J. Cell Biol., 66, 305, 10.1083/jcb.66.2.305 Kane, 1976, Actin polymerization and interaction with other proteins in temperature-induced gelation of sea urchin egg extracts, J. Cell Biol., 71, 704, 10.1083/jcb.71.3.704 Kasai, 1969, Thermodynamical aspect of G-F transformations of actin, Biochim. Biophys. Acta, 180, 399, 10.1016/0005-2728(69)90124-8 Kasai, 1962, The G-F equilibrium in actin solutions under various conditions, Biochim. Biophys. Acta, 57, 13, 10.1016/0006-3002(62)91072-7 Kersey, 1976, Polarity of actin filaments in characean algae, Proc. Natl. Acad. Sci. USA, 73, 165, 10.1073/pnas.73.1.165 Kessler, 1982, Plasmodial structure and motility., 1, 145 Kiehart, 1990, Molecular genetic dissection of myosin heavy chain function, Cell, 60, 347, 10.1016/0092-8674(90)90583-Z Kiehart, 1982, Evidence that myosin does not contribute to force production in chromosome movement, J. Cell Biol., 94, 165, 10.1083/jcb.94.1.165 Kimura, 1984, Interactions of muscle betaconnectin with myosin, actin, and actomyosin at low ionic strengths, J. Biochem., 96, 499, 10.1093/oxfordjournals.jbchem.a134862 Knecht, 1987, Antisense RNA inactivation of myosin heavy chain gene expression in Dictyostelium discoideum., Science, 236, 1081, 10.1126/science.3576221 Kobayashi, 1983, Identification and purification of calcium ion dependent modulators of actin polymerization from bovine thyroid, Biochemistry, 22, 2463, 10.1021/bi00279a024 Kobayashi, 1988, Amino acid sequence of the calcium-binding light chain of myosin from the lower eukaryote Physarum polycephalum., J. Biol. Chem., 263, 305, 10.1016/S0021-9258(19)57393-8 Kohama, 1985, The Ca2+ inhibition of actin-myosin-ATP interaction of Physarum polycephalum., 65 Kohama, 1987, Ca-inhibitory myosins: their structure and function, Adv. Biophys., 23, 149, 10.1016/0065-227X(87)90007-4 Kohama, 1986, The inhibitory Ca2+ -regulation of the actin-activated Mg-ATPase activity of myosin from Physarum polycephalum., J. Biochem., 99, 1433, 10.1093/oxfordjournals.jbchem.a135613 Kohama, 1992, Calcium inhibition of Physarum actomyosin system: Myosin-linked and actin-linked natures., 91 Kohama, 1980, Effects of Ca ion and ADP on superprecipitation of myosin B from slime mold. Physarum polycephalum., Proc. Jpn. Acad., 56B, 591, 10.2183/pjab.56.591 Kohama, 1987, Effect of N-ethylmaleimide on Ca-inhibition of Physarum myosin, J. Biochem., 102, 17, 10.1093/oxfordjournals.jbchem.a122029 Kohama, 1984, 31P-nuclear magnetic resonance studies of intact Plasmodia of Physarum polycephalum., FEBS Lett., 76, 161, 10.1016/0014-5793(84)80932-1 Komnick, 1973, Cell motility: Mechanisms in protoplasmic streaming and amoeboid movement, Int. Rev. Cytol., 34, 169, 10.1016/S0074-7696(08)61937-3 Kondo, 1976, Uni-directional growth of F-actin, J. Biochem., 79, 159, 10.1093/oxfordjournals.jbchem.a131043 Korn, 1982, Actin polymerization and its regulation by proteins from nonmuscle cells, Physiol. Rev., 62, 672, 10.1152/physrev.1982.62.2.672 Korn, 1987, Actin polymerization and ATP hydrolysis, Science, 238, 638, 10.1126/science.3672117 Korn, 1988, Myosins of nonmuscle cells, Ann. Rev. Biophys. Biophys. Chem., 17, 23, 10.1146/annurev.bb.17.060188.000323 Kreis, 1980, Stress fiber sarcomeres of fibroblasts are contractile, Cell, 22, 555, 10.1016/0092-8674(80)90365-7 Kuczmarski, 1987, Effect of heavy chain phosphorylation on the polymerization and structure of Dictyostelium myosin filaments, J. Cell Biol., 105, 2989, 10.1083/jcb.105.6.2989 Kuczmarski, 1980, Regulation of myosin self-assembly: Phosphorylation of Dictyostelium heavy chain inhibits formation of thick filaments, Proc. Natl. Acad. Sci. USA, 77, 7292, 10.1073/pnas.77.12.7292 Kukulies, 1985, Function of the microfilament system in living cell fragments of Physarum polycephalum as revealed by microinjection of fluorescent analogs, Cell Tissue Res., 242, 323, 10.1007/BF00214544 Kukulies, 1984, Distribution and dynamics of fluorochromed actin in living stages of Physarum polycephalum., Eur. J. Cell Biol., 35, 235 Kuramochi, 1986, Spectrin from sea urchin eggs, Biomed. Res., 7, 65, 10.2220/biomedres.7.65 Kuroda, 1979, Movement of cytoplasm in a membrane-free system., 347 Kuroda, 1990, Cytoplasmic streaming in plant cells, Int. Rev. Cytol., 121, 267, 10.1016/S0074-7696(08)60662-2 Kuroda, 1981, Reactivation of a glycerinated model of amoeba, Protoplasma, 109, 127, 10.1007/BF01287635 Kuroda, 1988, Change of cytosolic Caion cocentration in the contraction and relaxation cycle of Physarum microplasmodia, Protoplasma, Suppl., 1, 72, 10.1007/978-3-7091-9008-1_10 Kurth, 1984, Platelet activation induces the formation of a stable gelsolin-actin complex from monomelic gelsolin, J. Biol. Chem., 259, 7473, 10.1016/S0021-9258(17)42815-8 Kuznicki, 1983, Supramolecular regulation of the actin-activated ATPase activity of filaments of Acanthamoeba myosin II, J. Biol. Chem., 258, 6011, 10.1016/S0021-9258(18)32364-0 Kwiatkowski, 1988, Genomic organization and biosynthesis of secreted and cytoplasmic forms of gelsolin, J. Cell Biol., 106, 375, 10.1083/jcb.106.2.375 Kwiatkowski, 1986, Plasma and cytoplasmic gelsolins are encoded by a single gene and contain a duplicated actin-binding domain., Nature (London), 323, 455, 10.1038/323455a0 Labeit, 1992, Towards a molecular understanding of titin, EMBO J., 11, 1711, 10.1002/j.1460-2075.1992.tb05222.x Langanger, 1986, The molecular organization of myosin in stress fibers of cultured cells, J. Cell Biol., 102, 200, 10.1083/jcb.102.1.200 Lassing, 1985, Specific interaction between phosphatidylinositol 4, 5-bisphosphate and profilactin., Nature (London), 314, 472, 10.1038/314472a0 Lassing, 1988, Evidence that the phosphatidylinositol cycle is linked to cell motility, Exp. Cell Res., 174, 1, 10.1016/0014-4827(88)90136-X Lazarides, 1975, Tropomyosin antibody. The specific localization of tropomyosin in nonmuscle cells., J. Cell Biol., 65, 549, 10.1083/jcb.65.3.549 Lazarides, 1975, Alpha-actinin: Immunofluorescent localization of a muscle structural protein in nonmuscle cells, Cell, 6, 289, 10.1016/0092-8674(75)90180-4 Lazarides, 1974, Actin antibody: the specific visualization of actin filaments in non-muscle cells, Proc. Natl. Acad. Sci. USA, 71, 2268, 10.1073/pnas.71.6.2268 Levine, 1981, Fodrin: Axonally transported polypeptides associated with the internal periphery of many cells, J. Cell Biol., 90, 631, 10.1083/jcb.90.3.631 Lind, 1987, Reversible binding of actin to gelsolin and profilin in human platelet extracts, J. Cell Biol., 105, 833, 10.1083/jcb.105.2.833 Lymn, 1971, Mechanism of adenosine triphosphate hydrolysis by actomyosin, Biochemistry, 10, 4617, 10.1021/bi00801a004 Lynch, 1986, ATPase activities and actin-binding properties of subfragments of Acanthamoeba myosin IA., J. Biol. Chem., 261, 17,156, 10.1016/S0021-9258(19)76012-8 Lynch, 1989, Purification and characterization of a third isoform of myosin I from Acanthamoeba castellanii., J. Biol. Chem., 264, 19,333, 10.1016/S0021-9258(19)47306-7 Mabuchi, 1981, Purification from starfish eggs of a protein that depolymerizes actin, J. Biochem., 89, 1341 Mabuchi, 1983, An actin-depolymerizing protein (depactin) from starfish oocytes: Properties and interaction with actin, J. Cell Biol., 97, 1612, 10.1083/jcb.97.5.1612 Mabuchi, 1986, Biochemical aspects of cytokinesis, Int. Rev. Cytol., 101, 175, 10.1016/S0074-7696(08)60249-1 MacLean-Fletcher, 1980, Viscometric analysis of the gelation of Acanthamoeba extracts and purification of two gelation factors, J. Cell Biol., 85, 414, 10.1083/jcb.85.2.414 Mannherz, 1975, A specific 1:1 G-actin: DNAase I complex formed by the action of DNAase I on F-actin, FEBS Lett., 60, 34, 10.1016/0014-5793(75)80412-1 Markey, 1981, Characterization of platelet extracts before and after stimulation with respect to the possible role of profilactin as microfilament precursor, Cell, 23, 145, 10.1016/0092-8674(81)90279-8 Maruta, 1977, Acanthamoeba cofactor protein is a heavy chain kinase required for actin activation of the Mg2+ -ATPase activity of Acanthamoeba myosin I., J. Biol. Chem., 252, 8329, 10.1016/S0021-9258(19)75219-3 Maruta, 1977, Acanthamoeba myosin II., J. Biol. Chem., 252, 6501, 10.1016/S0021-9258(17)39986-6 Maruta, 1979, Multiple forms of Acanthamoeba myosin I, J. Biol. Chem., 254, 3624, 10.1016/S0021-9258(18)50807-3 Maruta, 1983, Ca2+ -dependent actin-binding phosphoprotein in Physarum polycephalum. I. Ca2+ /actin-dependent inhibition of its phosphorylation., J. Biol. Chem., 258, 10,144, 10.1016/S0021-9258(17)44617-5 Maruyama, 1973, Instability of F-actin under the influence of beta-actinin, Biochim. Biophys. Acta, 305, 679, 10.1016/0005-2728(73)90092-3 Maruyama, 1965, Alpha-actinin, a new structural protein from striated muscle. II. Action on actin., J. Biochem., 58, 13, 10.1093/oxfordjournals.jbchem.a128158 Maruyama, 1984, Molecular size and shape of beta-connectin, an elastic protein of striated muscle, J. Biochem., 95, 1423, 10.1093/oxfordjournals.jbchem.a134750 Maruyama, 1976, An elastic protein from the cortical layer of the sea-urchin egg, Biochim. Biophys. Acta, 446, 321, 10.1016/0005-2795(76)90122-7 Maruyama, 1977, Connectin, an elastic protein of muscle. Comparative biochemistry., J. Biochem., 82, 339 Maruyama, 1976, New elastic protein from muscle., Nature (London), 262, 58, 10.1038/262058a0 Maruyama, 1985, Connectin filaments link thick filaments and Z lines in frog skeletal muscle as revealed by immunoelectron microscopy, J. Cell Biol., 101, 2167, 10.1083/jcb.101.6.2167 Masuda, 1983, Contraction of Triton-treated culture cells. A calcium-sensitive contractile model., Exp. Cell Res., 143, 79, 10.1016/0014-4827(83)90111-8 Masuda, 1984, Ca2+ -dependent contraction of human lung fibroblasts treated with Triton X-100: A role of Ca2+ -calmodulin-dependent phosphorylation of myosin 20,000-dalton light chain, Cell Motil., 4, 315, 10.1002/cm.970040503 Matsudaira, 1979, Identification and organization of the components in the isolated microvillus cytoskeleton, J. Cell Biol., 83, 667, 10.1083/jcb.83.3.667 Matsumura, 1978, Reversible superprecipitation and bundle formation of Plasmodium actomyosin, Biochim. Biophys. Acta, 533, 511, 10.1016/0005-2795(78)90397-5 Matsumura, 1980, Tension generation by actomyosin thread from a non-muscle system., Nature (London), 285, 169, 10.1038/285169a0 Mimura, 1979, Ca2+ -sensitive gelation of actin filaments by a new protein factor., Nature (London), 282, 44, 10.1038/282044a0 Mimura, 1986, Isolation and characterization of a conserved actin-binding domain from rat hepatic actinogelin, rat skeletal muscle, and chicken gizzard alpha-actinins., J. Biol. Chem., 261, 10,680, 10.1016/S0021-9258(18)67439-3 Mimura, 1987, Further characterization of a conserved actin-binding 27-kDa fragment of actinogelin and alpha-actinins and mapping of their binding sites on the actin molecule by chemical cross-linking, J. Biol. Chem., 262, 4717, 10.1016/S0021-9258(18)61254-2 Miyata, 1989, Plasma membrane association of Acanthamoeba myosin-I, J. Cell Biol., 109, 1519, 10.1083/jcb.109.4.1519 Mooseker, 1985, Organization, chemistry, and assembly of the cytoskeletal apparatus of the intestinal brush border, Ann. Rev. Cell Biol., 1, 209, 10.1146/annurev.cb.01.110185.001233 Mooseker, 1976, Brush horder motility. Microvillar contraction in Triton-treated brush borders isolated from intestinal epithelium., J. Cell Biol., 71, 417, 10.1083/jcb.71.2.417 Mooseker, 1975, The organization of an actin filament-membrane complex: Filament polarity and membrane attachment in the microvilli of intestinal epitherial cells, J. Cell Biol., 67, 725, 10.1083/jcb.67.3.725 Muneyuki, 1985, Purification of cofilin, a 21,000 molecular weight actin-binding protein, from porcine kidney and identification of the cofilin-binding site in the actin sequence, J. Biochem., 97, 563, 10.1093/oxfordjournals.jbchem.a135091 Nachmias, 1964, Fibrillar structures in the cytoplasm of Chaos chaos., J. Cell Biol., 23, 183, 10.1083/jcb.23.1.183 Nachmias, 1968, Further electron microscope studies on fibrillar organization of the ground cytoplasm of Chaos chaos., J. Cell Biol., 38, 40, 10.1083/jcb.38.1.40 Nachmias, 1972, Filament formation by purified Physarum myosin., Proc. Natl. Acad. Sci. USA, 69, 2011, 10.1073/pnas.69.8.2011 Nachmias, 1979, The contractile proteins of Physarum polycephalum and actin polymerization in plasmodial extracts., 33 Nachmias, 1980, Cytoplasmic droplets produced by the effect of adenine on Physarum Plasmodia. Comparison with caffeine droplets and effect of calcium., Exp. Cell Res., 128, 121, 10.1016/0014-4827(80)90394-8 Nagai, 1993, Regulation of intracellular movements in plant cells by environmental stimuli, Int. Rev. Cytol., 145, 251, 10.1016/S0074-7696(08)60429-5 Nagai, 1978, Cyclic production of tension force in the plasmodial strand of Physarum polycephalum and its relation to microfilament morphology, J. Cell Sci., 33, 205, 10.1242/jcs.33.1.205 Nagai, 1975, Cytoplasmic filaments and their assembly into bundles in Physarum Plasmodium, Protoplasma, 86, 141, 10.1007/BF01275628 Naib-Majani, 1984, Immunocytochemistry of the acelluLar slime mold Physarum polycephalum. IV. Differentiation and dynamics of the polygonal actomyosin system., Differentiation, 26, 11, 10.1111/j.1432-0436.1984.tb01367.x Naib-Majani, 1982, Immunocytochemistry of the acellular slime mold Physarum polycephalum. II. Spatial organization of cytoplasmic actin., Eur. J. Cell Biol., 28, 103 Nakajima, 1965, The changing pattern of birefringence in Plasmodia of the slime mold. Physarum polycephalum., J. Cell Biol., 25, 361, 10.1083/jcb.25.2.361 Neuhaus, 1983, Treadmilling of actin, J. Muscle Res. Cell Motil., 4, 507, 10.1007/BF00712112 Nishida, 1984, Cofilin, a protein in porcine brain that binds to actin filaments and inhibits their interactions with myosin and tropomyosin, Biochemistry, 23, 5307, 10.1021/bi00317a032 Norberg, 1979, F-actin depolymerizing activity of human serum, Eur. J. Biochem., 100, 575, 10.1111/j.1432-1033.1979.tb04204.x Ogihara, 1983, Requirement of phosphorylation of Physarum myosin heavy chain for thick filament formation, actin activation of Mg2+ -ATPase activity, and Ca2+ -inhibitory superprecipitation, J. Biochem., 93, 205, 10.1093/oxfordjournals.jbchem.a134155 Ogihara, 1979, Identification of a birefringent structure which appears and disappears in accordance with the shuttle streaming in Physarum Plasmodia., Protoplasma, 100, 167, 10.1007/BF01283927 Ohta, 1990, The mitotic apparatus-associated 51-kDa protein from sea urchin eggs is a GTP-binding protein and is immunologically related to yeast polypeptide elongation factor lalpha, J. Biol. Chem., 256, 3240, 10.1016/S0021-9258(19)39759-5 Ohta, 1987, Protein kinase C and cAMP-dependent protein kinase induce opposite effects on actin polymerizability, FEBS Lett., 222, 305, 10.1016/0014-5793(87)80391-5 Ohtaki, 1985, Interaction of actinogelin with actin. No nucleation but high gelation activity., Eur. J. Biochem., 153, 609, 10.1111/j.1432-1033.1985.tb09344.x Oosawa, 1975 Oosawa, 1962, A theory of linear and helical aggregations of macromolecules, J. Mol. Biol., 4, 10, 10.1016/S0022-2836(62)80112-0 Osborn, 1983, Immunocytochemistry of the acellular slime mold Physarum polycephalum. III. Distribution of myosin and the actin-modulating protein (fragmin) in sandwiched Plasmodia., Eur. J. Cell Biol., 29, 179 Otto, 1981, The incorporation of actin and fascin into the cytoskeleton of filopodial sea urchin coelomocytes, Cell Motil., 1, 179, 10.1002/cm.970010203 Otto, 1979, Formation of filopodia in coelomocytes: Localization of fascin, a 58,000 dalton actin cross-linking protein, Cell, 17, 285, 10.1016/0092-8674(79)90154-5 Otto, 1980, Redistribution of actin and fascin in sea urchin eggs after fertilization, Cell Motil., 1, 31, 10.1002/cm.970010104 Owaribe, 1975, Induction of antibody against actin from myxomycete Plasmodium and its properties, Biochemistry, 14, 3024, 10.1021/bi00684a035 Ozaki, 1980, Connectin, an elastic protein of muscle. A connectinlike protein from the Plasmodium Physarum polycephalum., J. Biochem., 88, 883, 10.1093/oxfordjournals.jbchem.a133043 Ozaki, 1983, Isolation and characterization of Physarum profilin, J. Biochem., 93, 295, 10.1093/oxfordjournals.jbchem.a134167 Pagh, 1982, Identification of a microfilament-enriched, motile domain in amoeboflagellates of Physarum polycephalum., J. Cell Sci., 54, 1, 10.1242/jcs.54.1.1 Pies, 1984, Reactivation of NBD-phallacidinlabeled actomyosin fibrils in cryosections of Physarum polycephalum a new cell-free model, Cell Biol. Int. Rep., 8, 1065, 10.1016/0309-1651(84)90093-6 Pollard, 1978, Characterization of a second myosin from Acanthamoeba castellanii., J. Biol. Chem., 253, 4798, 10.1016/S0021-9258(17)30460-X Pollard, 1981, Cytoplasmic contractile proteins., J. Cell Biol., 91, 156s, 10.1083/jcb.91.3.156s Pollard, 1982, Structure and polymerization of Acanthamoeba myosin-II filaments, J. Cell Biol., 95, 816, 10.1083/jcb.95.3.816 Pollard, 1984, Purification of a high molecular weight actin filament gelation protein from Acanthamoeba that shares antigenic determinants with vertebrate spectrins, J. Cell Biol., 99, 1970, 10.1083/jcb.99.6.1970 Pollard, 1986, Rate constants for the reactions of ATP- and ADP-actin with the ends of actin filaments, J. Cell Biol., 103, 2747, 10.1083/jcb.103.6.2747 Pollard, 1987, The myosin crossbridge problem, Cell, 48, 909, 10.1016/0092-8674(87)90697-0 Pollard, 1984, Quantitative analysis of the effect of Acanthamoeba profilin on actin filament nucleation and elongation, Biochemistry, 23, 6631, 10.1021/bi00321a054 Pollard, 1986, Actin and actin-binding proteins. A critical evaluation of mechanisms and functions., Ann. Rev. Biochem., 55, 987, 10.1146/annurev.bi.55.070186.005011 Pollard, 1991, Myosin-I, Ann. Rev. Physiol., 53, 653, 10.1146/annurev.ph.53.030191.003253 Pollard, 1970, Cytoplasmic filaments of Amoeba proteus. I. The role of filaments in consistency changes and movements., J. Cell Biol., 46, 267, 10.1083/jcb.46.2.267 Pollard, 1971, Filaments of Amoeba proteus. II. Binding of heavy meromyosin by thin filaments in motile cytoplasmic extracts., J. Cell Biol., 48, 216, 10.1083/jcb.48.1.216 Pollard, 1973, Acanthamoeba myosin. I. Isolation from Acanthamoeba castellanii of an enzyme similar to muscle myosin., J. Biol. Chem., 248, 4682, 10.1016/S0021-9258(19)43718-6 Pollard, 1973, Acanthamoeba myosin. II. Interaction with actin and with a new cofactor protein required for actin activation of Mg2+ adenosine triphosphatase activity., J. Biol. Chem., 248, 4691, 10.1016/S0021-9258(19)43719-8 Pollard, 1981, Direct measurement of actin polymerization rate constants by electron microscopy of actin filaments nucleated by isolated microvillus cores, J. Cell Biol., 88, 654, 10.1083/jcb.88.3.654 Pope, 1991, Two of the three actin-binding domains of gelsolin bind to the same subdomain of actin. Implications for capping and severing mechanisms., FEBS Lett., 280, 70, 10.1016/0014-5793(91)80206-I Reines, 1985, Immunochemical analysis of the supramolecular structure of myosin in contractile cytoskeleton of Dictyostelium amoebae., J. Biol. Chem., 260, 14,248, 10.1016/S0021-9258(17)38710-0 Rodewald, 1976, Contraction of isolated brush borders from the intestinal epithelium, J. Cell Biol., 70, 541, 10.1083/jcb.70.3.541 Safer, 1991, Thymosin β4 and Fx, an actin-sequestering peptide, are indistinguishable, J. Biol. Chem., 266, 4029, 10.1016/S0021-9258(20)64278-8 Safer, 1990, Isolation of a 5-kilodalton actin-sequestering peptide from human blood platelets, Proc. Natl. Acad. Sci. USA, 87, 2536, 10.1073/pnas.87.7.2536 Salles-Passador, 1991, Physarum Plasmodia do contain cytoplasmic microtubules!, J. Cell Sci., 100, 509, 10.1242/jcs.100.3.509 Sanger, 1980, Banding and polarity of actin filaments in interphase and cleaving cells, J. Cell Biol., 86, 568, 10.1083/jcb.86.2.568 Sato, 1981, Contractility and protoplasmic streaming preserved in artificially induced plasmodial fragments, the “caffeine drops.”, Protoplasma, 109, 187, 10.1007/BF01287639 Schliwa, 1981, Proteins associated with cytoplasmic actin, Cell, 25, 587, 10.1016/0092-8674(81)90166-5 Schweiger, 1992, Stage-specific tyrosine phosphorylation of actin in Dictyostelium discoideum cells, J. Cell Sci., 102, 601, 10.1242/jcs.102.3.601 Sekiya, 1967, Binding of H-meromyosin with F-actin at low ionic strength, J. Biochem., 61, 567, 10.1093/oxfordjournals.jbchem.a128587 Sheetz, 1983, Movement of myosin-coated fluorescent beads on actin cables in vitro., Nature (London), 303, 31, 10.1038/303031a0 Shimaoka, 1991, Magnesium polymer of actin if formed by beta-actinin but not by gelsolin-actin complex, Zoological Sci., 8, 499 Shimmen, 1984, Active sliding movement of latex beads coated with skeletal muscle myosin on Chara actin bundles, Protoplasma, 121, 132, 10.1007/BF01279760 Sinard, 1989, The effect of heavy chain phosphorylation and solution conditions on the assembly of Acanthamoeba myosin-II, J. Cell Biol., 109, 1525, 10.1083/jcb.109.4.1529 Sinard, 1990, Acanthamoeba myosin-II minifilaments assemble on a millisecond time scale with rate constants greater than those expected for a diffusion limited., J. Biol. Chem., 265, 3654, 10.1016/S0021-9258(19)39643-7 Sinard, 1989, The mechanism of assembly of Acanthamoeba myosin-II minifilaments: Minifilaments assemble by three successive dimerization steps, J. Cell Biol., 109, 1537, 10.1083/jcb.109.4.1537 Sobieszek, 1972, Cross-bridges on self-assembled smooth muscle myosin filaments, J. Mol. Biol., 70, 741, 10.1016/0022-2836(72)90573-6 Sonobe, 1985, Cytoplasmic movement in a glycerinated Model of Amoeba proteus., 271 Sonobe, 1986, Phosphorylation of Amoeba G-actin and its effect on actin polymerization., J. Biol. Chem., 261, 14.837, 10.1016/S0021-9258(18)66948-0 Spooner, 1971, Microfilaments and cell locomotion, J. Cell Biol., 49, 595, 10.1083/jcb.49.3.595 Stockem, 1994, Analysis of microfilament organization and contractile activities in Physarum., Int. Rev. Cytol., 149, 145, 10.1016/S0074-7696(08)62088-4 Stossel, 1985, Nonmuscle actin-binding proteins, Ann. Rev. Cell Biol., 1, 353, 10.1146/annurev.cb.01.110185.002033 Stossel, 1976, Interactions of actin, myosin, and a new actin-binding protein of rabbit pulmonary macrophages. II. Role in cytoplasmic movement and phagocytosis., J. Cell Biol., 68, 602, 10.1083/jcb.68.3.602 Sugino, 1982, Effect of fragmin on actin polymerization: Evidence for enhancement of nucleation and capping of the barbed end, Cell Motil., 2, 457, 10.1002/cm.970020505 Sugino, 1983, Fragmin induces tension reduction of actomyosin threads in the presence of micromolar levels of Ca2+, J. Cell Biol., 96, 199, 10.1083/jcb.96.1.199 Sutoh, 1982, Identification of myosin-binding sites on the actin sequence, Biochem., 21, 3654, 10.1021/bi00258a020 Sutoh, 1986, Actin-fragmin interactions as revealed by chemical cross-linking, Biochemistry, 25, 435, 10.1021/bi00350a024 Sutoh, 1984, Isolation and characterization of a high molecular weight actin-binding protein from Physarum polycephalum Plasmodia, J. Cell Biol., 98, 1611, 10.1083/jcb.98.5.1611 Sutoh, 1984, N-terminal and C-terminal segments of actin participate in binding depactin, an actin-depolymerizing protein from starfish oocytes, Biochemistry, 23, 6757, 10.1021/bi00321a073 Sutoh, 1989, End-label fingerprintings show that the N- and C-terminal of actin are in the contact site with gelsolin, Biochemistry, 28, 5269, 10.1021/bi00438a052 Suzuki, 1976, Some properties of purified skeletal muscle alpha-actinin, J. Biol. Chem., 251, 6860, 10.1016/S0021-9258(17)33023-5 Tada, 1967, Superprecipitation of myosin B induced by ATP as a nucleated growth process, J. Biochem., 61, 123, 10.1093/oxfordjournals.jbchem.a128511 Takagi, 1990, Primary structure of profilins from two species of Echinoidea and Physarum polycephalum., Eur. J. Biochem., 192, 777, 10.1111/j.1432-1033.1990.tb19289.x Takiguchi, 1991, Heavy meromyosin induces sliding movements between antiparallel actin filaments, J. Biochem., 109, 520, 10.1093/oxfordjournals.jbchem.a123414 Tawada, 1991, A physical model of ATP-induced actin-myosin movement in vitro, Biophys. J., 59, 343, 10.1016/S0006-3495(91)82228-7 Taylor, 1979, Cytoplasmic structure and contractility in amoeboid cells, Int. Rev. Cytol., 56, 57, 10.1016/S0074-7696(08)61821-5 Taylor, 1973, The contractile basis of amoeboid movement. I. The chemical control of motility in isolated cytoplasm., J. Cell Biol., 59, 378, 10.1083/jcb.59.2.378 Tellam, 1989, A common theme in the amino acid sequence of actin and many actin-binding proteins?, Trends Biochem. Sci., 14, 130, 10.1016/0968-0004(89)90142-4 Thompson, 1963, The isolation of motile cytoplasm from Amoeba proteus., Exp. Cell Res., 32, 156, 10.1016/0014-4827(63)90078-8 Tilney, 1971, Actin in the brush-border of epithelial cells of the chicken intestine, Proc. Natl. Acad. Sci. USA, 68, 2611, 10.1073/pnas.68.10.2611 Tobacman, 1983, Effect of Acanthamoeba profilin on the pre-steady state kinetics of actin polymerization and on the concentration of F-actin at steady state, J. Biol. Chem., 258, 8806, 10.1016/S0021-9258(18)32128-8 Tobacman, 1982, The regulation of actin polymerization and the inhibition of monomeric actin ATPase activity by Acanthamoeba profilin, J. Biol. Chem., 257, 4166, 10.1016/S0021-9258(18)34701-X Tonomura, 1972 Tonomura, 1986 Toriyama, 1988, 51-kD protein, a component of microtubule-organizing granules in the mitotic apparatus involved in aster formation in vitro., Cell Motil. Cytoskel., 9, 117, 10.1002/cm.970090204 Totsuka, 1970, ATPase activity of Plasmodium actin polymer formed in the presence of Mg2+, Biochim. Biophys. Acta, 223, 189, 10.1016/0005-2728(70)90144-1 Trinick, 1984, Purification and properties of native titin, J. Mol. Biol., 180, 331, 10.1016/S0022-2836(84)80007-8 Tseng, 1982, Mechanism of action of Acanthamoeba profilin: Demonstration of actin species specificity and regulation by micromolar concentrations of MgCl2, J. Cell Biol., 94, 213, 10.1083/jcb.94.1.213 Tyler, 1980, Structural comparison of several actin-binding macromolecules, J. Cell Biol., 85, 489, 10.1083/jcb.85.2.489 Uyeda, 1988, Purification of my xamoebal fragmin, and switching of myxamoebal fragmin to plasmodial fragmin during differentiation of Physarum polycephalum., J. Muscle Res. Cell Motil., 9, 233, 10.1007/BF01773893 Uyeda, 1988, Involvement of myxamoebal fragmin in the Ca2+-induced reorganization of the microfilamentous cytoskeleton in flagellates of Physarum polycephalum., Cell Motil. Cytoskel., 10, 410, 10.1002/cm.970100308 Uyeda, 1986, Effects of low temperature and calcium on microfilament structure in flagellates of Physarum polycephalum., Exp. Cell Res., 165, 461, 10.1016/0014-4827(86)90599-9 Uyeda, 1985, Cytoskeletal changes visualized by fluorescence microscopy during amoeba-to-flagellate and flagellate-to-amoeba transformations in Physarum polycephalum., Protoplasma, 126, 221, 10.1007/BF01281798 Vandekerckhove, 1989, Acanthamoeba actin and profilin can be cross-linked between glutamic acid 364 of actin and lysine 115 of profilin., J. Cell Biol., 109, 619, 10.1083/jcb.109.2.619 Vandekerckhove, 1978, Actin amino-acid sequences. Comparison of actins from calf thymus, bovine brain, and SV40-transformed mouse 3T3 cells with rabbit skeletal muscle actin., Eur. J. Biochem., 90, 451, 10.1111/j.1432-1033.1978.tb12624.x Vandekerckhove, 1978, Mammalian cytoplasmic actins are the products of at least two genes and differ in primary structure in at least 25 identified positions from skeletal muscle actins, Proc. Natl. Acad. Sci. USA, 75, 1106, 10.1073/pnas.75.3.1106 Waites, 1992, Mutually exclusive splicing of calcium-binding domain exons in chick alpha-actinin, J. Biol. Chem., 267, 6263, 10.1016/S0021-9258(18)42690-7 Wang, 1977, Filamin, a new high-molecular-weight protein found in smooth muscle and non muscle cells. Purification and properties of chicken gizzard filamin., Biochemistry, 16, 1857, 10.1021/bi00628a015 Wang, 1975, Filamin, a new high-molecular-weight protein found in smooth muscle and non-muscle cells, Proc. Natl. Acad. Sci. USA, 72, 4483, 10.1073/pnas.72.11.4483 Wang, 1979, Titin: Major myofibrillar components of striated muscle, Proc. Natl. Acad. Sci. USA, 76, 3698, 10.1073/pnas.76.8.3698 Wang, 1984, A 45,000-mol-wt protein from unfertilized sea urchin eggs severs actin filaments in a calcium-dependent manner and increases the steady-state concentration of nonfilamentous actin, J. Cell Biol., 99, 844, 10.1083/jcb.99.3.844 Warrick, 1986, Conserved protein domains in a myosin heavy chain gene from Dictyostelium discoideum., Proc. Natl. Acad. Sci. USA, 83, 9433, 10.1073/pnas.83.24.9433 Warrick, 1987, Myosin structure and function in cell motility, Ann. Rev. Cell Biol., 3, 379, 10.1146/annurev.cb.03.110187.002115 Way, 1989, Expression of human plasma gelsolin in Escherichia coli and dissection of actin binding sites by segmental deletion mutagenesis, J. Cell Biol., 109, 593, 10.1083/jcb.109.2.593 Way, 1988, Nucleotide sequence of pig plasma gelsolin. Comparison of protein sequence with human gelsolin and other actin-severing proteins shows strong homologies and evidence for large internal repeats., J. Mol. Biol., 203, 1127, 10.1016/0022-2836(88)90132-5 Weber, 1974, Antibody to myosin: the specific visualization of myosin-containing filaments in non muscle cells, Proc. Natl. Acad. Sci. USA, 71, 4561, 10.1073/pnas.71.11.4561 Weeds, 1982, Actin-binding proteins—regulators of cell architecture and motility., Nature (London), 296, 811, 10.1038/296811a0 Wegner, 1983, 12-fold difference between the critical monomer concentrations of the two ends of actin filaments in physiological salt concentrations., Proc. Natl. Acad. Sci. USA, 80, 4922, 10.1073/pnas.80.16.4922 Whiting, 1989, Does titin regulate the length of muscle thick filaments?, J. Mol. Biol., 205, 263, 10.1016/0022-2836(89)90381-1 Wohlfarth-Bottermann, 1962, Weitreichende, fibrilläre Protoplasmadifferenzierungen und ihre Bedeutung für die Protoplasmaströmung. I. Elektronmikroskopischer Nachweis and Feinstruktur., Protoplasma, 54, 514, 10.1007/BF01252640 Wohlfarth-Bottermann, 1963, Weitreichende, fibrilläre Protoplasmadifferenzierungen und ihre Bedeutung für die Protoplasmaströmung. II. Lichtmikrokopische Darstellung., Protoplasma, 57, 747, 10.1007/BF01252088 Wohlfarth-Bottermann, 1964, Cell structures and their significance for amoeboid movement, Int. Rev. Cytol., 16, 61, 10.1016/S0074-7696(08)60294-6 Wohlfarth-Bottermann, 1965, Weitreichende, fibrilläre Protoplasmadifferenzierungen und ihre Bedeutung für die Protoplasmaströmung. III. Entstehung und experimentell induzierbare Musterbildungen., Roux’ Archiv, 156, 371, 10.1007/BF02456125 Wohlfarth-Bottermann, 1974, Plasmalemma invaginations as characteristic constituents of Plasmodia of Physarum polycephalum., J. Cell Sci., 16, 23, 10.1242/jcs.16.1.23 Wohlfarth-Bottermann, 1975, Tensometric demonstration of endogenous, oscillating contractions in Plasmodia of Physarum polycephalum., Z. Pflanzenphysiol., 76, 14, 10.1016/S0044-328X(75)80041-9 Wohlfarth-Bottermann, 1976, Cycling aggregation patterns of cytoplasmic F-actin coordinated with oscillating tension force generation, Cell Tissue Res., 165, 327, 10.1007/BF00222437 Wohlfarth-Bottermann, 1977, Oscillating contractions in protoplasmic strands of Physarum Simultaneous tensiometry of longitudinal and radial rhythms, periodicity analysis and temperature dependence, J. Exp. Biol., 67, 49, 10.1242/jeb.67.1.49 Wolosewick, 1976, Stereo high-voltage electron microscopy of whole cells of the human diploid line WI-38, Am. J. Anat., 147, 303, 10.1002/aja.1001470305 Woodrum, 1975, Evidence for biased bidirectional polymerization of actin filaments using heavy meromyosin prepared by an improved method, J. Cell Biol., 67, 231, 10.1083/jcb.67.1.231 Yamamoto, 1982, Mechanism of interaction of Dictyostelium severin with actin filaments, J. Cell Biol., 95, 711, 10.1083/jcb.95.3.711 Yamashiro-Matsumura, 1985, Purification and characterization of an F-actin-bundling 55-kilodalton protein from He La cells, J. Biol. Chem., 260, 5087, 10.1016/S0021-9258(18)89183-9 Yang, 1990, Identification of an actin-binding protein from Dictyostelium as elongation factor 1α., Nature (London), 347, 494, 10.1038/347494a0 Yin, 1981, Identification of gelsolin, a Ca2+-dependent regulatory protein of actin gel-sol transformation, and its intracellular distribution in a variety of cells and tissues, J. Cell Biol., 91, 901, 10.1083/jcb.91.3.901 Yin, 1979, Control of cytoplasmic actin gel-sol transformation by gelsolin, a calcium-dependent regulatory protein., Nature (London), 281, 583, 10.1038/281583a0 Yin, 1980, Purification and structural properties of gelsolin, a Ca2+-activated regulatory protein of macrophages, J. Biol. Chem., 255, 9490, 10.1016/S0021-9258(19)70589-4 Yin, 1988, Identification of a polyphosphoinositide-modulated domain in gelsolin which binds to the sides of actin filaments, J. Cell Biol., 106, 805, 10.1083/jcb.106.3.805 Yin, 1990, Severin is a gelsolin prototype, FEBS Lett., 264, 78, 10.1016/0014-5793(90)80769-F Yin, 1984, Structure and biosynthesis of cytoplasmic and secreted variants of gelsolin, J. Biol. Chem., 259, 5271, 10.1016/S0021-9258(17)42985-1 Yin, 1980, Ca2+ control of actin gelation. Interaction of gelsolin with actin filaments and regulation of actin gelation., J. Biol. Chem., 255, 9494, 10.1016/S0021-9258(19)70590-0 Yonezawa, 1985, pH control of actin polymerization by cofilin., J. Biol. Chem., 260, 14,410, 10.1016/S0021-9258(17)38580-0 Yoshimoto, 1978, Studies on contraction rhythm of the plasmodial strand. I. Synchronization of local rhythms., Protoplasma, 95, 89, 10.1007/BF01279697 Yoshimoto, 1978, Studies on contraction rhythm of the plasmodial strand. IV. Site of active oscillation in an advancing Plasmodium., Protoplasma, 95, 123, 10.1007/BF01279700 Yumura, 1985, Reversible cyclic AMP-dependent change in distribution of myosin thick filaments in Dictyostelium., Nature (London), 314, 194, 10.1038/314194a0