Bas A, Forsberg G, Hammarstrom S, Hammarstrom ML (2004) Utility of the housekeeping genes 18S rRNA, beta-actin and glyceraldehyde-3-phosphate-dehydrogenase for normalization in real-time quantitative reverse transcriptase-polymerase chain reaction analysis of gene expression in human T lymphocytes. Scand J Immunol 59:566–573
Bernhard W (1969) A new staining procedure for electron microscopical cytology. J Ultrastruct Res 27:250–265
Bettinger BT, Gilbert DM, Amberg DC (2004) Actin up in the nucleus. Nat Rev Mol Cell Biol 5:410–415
Boyum A (1968) Isolation of mononuclear cells and granulocytes from human blood. Isolation of monuclear cells by one centrifugation, and of granulocytes by combining centrifugation and sedimentation at 1 g. Scand J Clin Lab Invest Suppl 97:77–89
Busch H, Smetana K. (1970) The nucleolus. Academic, New York
Carmo-Fonseca M (2002) The contribution of nuclear compartmentalization to gene regulation. Cell 108:513–521
Cmarko D, Verschure PJ, Rothblum LI, Hernandez-Verdun D, Amalric F, van Driel R, Fakan S (2000) Ultrastructural analysis of nucleolar transcription in cells microinjected with 5-bromo-UTP. Histochem Cell Biol 113:181–187
Cremer T, Kupper K, Dietzel S, Fakan S (2004) Higher order chromatin architecture in the cell nucleus: on the way from structure to function. Biol Cell 96:555–567
Fakan S (1994) Perichromatin fibrils are in situ forms of nascent transcripts. Trends Cell Biol 4:86–90
Fomproix N, Percipalle P (2004) An actin-myosin complex on actively transcribing genes. Exp Cell Res 294:140–148
Frankel S, Sigel EA, Craig C, Elgin SC, Mooseker MS, Artavanis-Tsakonas S (1997) An actin-related protein in Drosophila colocalizes with heterochromatin protein 1 in pericentric heterochromatin. J Cell Sci 110(17):1999–2012
Hendzel MJ, Bazett JD (1995) RNA polymerase II transcription and the functional organization of the mammalian cell nucleus. Chromosoma 103:509–516
Hofmann WA, Stojiljkovic L, Fuchsova B, Vargas GM, Mavrommatis E, Philimonenko V, Kyselá K, Goodrich JA, Lessard JL, Hope TJ, Hozák P, de Lanerolle P (2004) Actin is part of pre-initiation complexes and is necessary for transcription by RNA polymerase II. Nat Cell Biol 6:1094–1101
Hozák P (1995) Catching RNA polymerase I in Flagranti: ribosomal genes are transcribed in the dense fibrillar component of the nucleolus 216:285–289
Hozák P, Novák JT, Smetana K (1989) Three-dimensional reconstructions of nucleolus-organizing regions in PHA-stimulated human lymphocytes. Biology of the Cell 66:225–233
Hozák P, Cook PR, Schofer C, Mosgoller W, Wachtler F (1994) Site of transcription of ribosomal RNA and intranucleolar structure in HeLa cells. J Cell Sci 107:639–648
Hu P, Wu S, Hernandez N (2004) A role for beta-actin in RNA polymerase III transcription. Genes Dev 18:3010–3015
Huang S (2002) Building an efficient factory: where is pre-rRNA synthesized in the nucleolus? J Cell Biol 157:739–741
Jackson DA (2003) The principles of nuclear structure. Chromosome Res 11:387–401
Jackson DA, Iborra FJ, Manders EM, Cook PR (1998) Numbers and organization of RNA polymerases, nascent transcripts, and transcription units in HeLa nuclei. Mol Biol Cell 9:1523–1536
Jordan P, Mannervik M, Tora L, Carmo-Fonseca M (1996) In vivo evidence that TATA-binding protein/SL1 colocalizes with UBF and RNA polymerase I when rRNA synthesis is either active or inactive. J Cell Biol 133:225–234
Kimura T, Hashimoto I, Yamamoto A, Nishikawa M, Fujisawa JI (2000) Rev-dependent association of the intron-containing HIV-1 gag mRNA with the nuclear actin bundles and the inhibition of its nucleocytoplasmic transport by latrunculin-B. Genes Cells 5:289–307
Kukalev A, Nord Y, Palmberg C, Bergman T, Percipalle P (2005) Actin and hnRNP U cooperate for productive transcription by RNA polymerase II. Nat Struct Mol Biol 12:238–244
Laemmli UK (1970) Cleavage of structural proteins during the assembly of the head of bacteriophage T4. Nature 227:680–685
Lin JJ (1981) Monoclonal antibodies against myofibrillar components of rat skeletal muscle decorate the intermediate filaments of cultured cells. Proc Natl Acad Sci USA 78:2335–2339
Livak KJ, Schmittgen TD (2001) Analysis of relative gene expression data using real-time quantitative PCR and the 2(-Delta Delta C(T)) method. Methods 25:402–408
Mosgoeller W, Schofer C, Wesierska-Gadek J, Steiner M, Muller M, Wachtler F (1998) Ribosomal gene transcription is organized in foci within nucleolar components. Histochem Cell Biol 109:111–118
Mosgoeller W, Schofer C, Steiner M, Sylvester JE, Hozák P (2001) Arrangement of ribosomal genes in nucleolar domains revealed by detection of “Christmas tree" components. Histochem Cell Biol 116:495–505
Nakayasu H, Ueda K (1985) Association of rapidly-labelled RNAs with actin in nuclear matrix from mouse L5178Y cells. Exp Cell Res 160:319–330
Nowak G, Pestic-Dragovich L, Hozák P, Philimonenko A, Simerly C, Schatten G, de Lanerolle P (1997) Evidence for the presence of myosin I in the nucleus. J Biol Chem 272:17176–17181
Olave IA, Reck-Peterson SL, Crabtree GR (2002) Nuclear actin and actin-related proteins in chromatin remodeling. Annu Rev Biochem 71:755–781
Olson MO, Dundr M (2005) The moving parts of the nucleolus. Histochem Cell Biol 123:203–216
Olson MO, Dundr M, Szebeni A (2000) The nucleolus: an old factory with unexpected capabilities. Trends Cell Biol 10:189–196
Pederson T, Aebi U (2002) Actin in the nucleus: what form and what for? J Struct Biol 140:3–9
Percipalle P, Zhao J, Pope B, Weeds A, Lindberg U, Daneholt B (2001) Actin bound to the heterogeneous nuclear ribonucleoprotein hrp36 is associated with Balbiani ring mRNA from the gene to polysomes. J Cell Biol 153:229–236
Percipalle P, Jonsson A, Nashchekin D, Karlsson C, Bergman T, Guialis A, Daneholt B (2002) Nuclear actin is associated with a specific subset of hnRNP A/B-type proteins. Nucleic Acids Res 30:1725–1734
Pestic-Dragovich L, Stojiljkovic L, Philimonenko AA, Nowak G, Ke Y, Settlage RE, Shabanowitz J, Hunt DF, Hozák P, de Lanerolle P (2000) A myosin I isoform in the nucleus. Science 290:337–341
Philimonenko AA, Janáček J, Hozák P (2000) Statistical evaluation of colocalization patterns in immunogold labeling experiments. J Struct Biol 132:201–210
Philimonenko VV, Zhao J, Iben S, Dingová H, Kyselá K, Kahle M, Zentgraf H, Hofmann WA, de Lanerolle P, Hozák P, Grummt I (2004) Nuclear actin and myosin I are required for RNA polymerase I transcription. Nat Cell Biol 6:1165–1172
Puvion E, Puvion-Dutilleul F (1996) Ultrastructure of the nucleus in relation to transcription and splicing: roles of perichromatin fibrils and interchromatin granules. Exp Cell Res 229:217–225
Rando OJ, Zhao K, Crabtree GR (2000) Searching for a function for nuclear actin. Trends Cell Biol 10:92–97
Roussel P, Andre C, Comai L, Hernandez-Verdun D (1996) The rDNA transcription machinery is assembled during mitosis in active NORs and absent in inactive NORs. J Cell Biol 133:235–246
Rungger D, Rungger-Brandle E, Chaponnier C, Gabbiani G (1979) Intranuclear injection of anti-actin antibodies into Xenopus oocytes blocks chromosome condensation. Nature 282:320–321
Scheer U, Hock R (1999) Structure and function of the nucleolus. Curr Opin Cell Biol 11:385–390
Schwarzacher HG, Mosgoeller W (2000) Ribosome biogenesis in man: current views on nucleolar structures and function. Cytogenet Cell Genet 91:243–252
Setterfield G, Hall R, Bladon T, Little J, Kaplan JG (1983) Changes in structure and composition of lymphocyte nuclei during mitogenic stimulation. J Ultrastruct Res 82:264–282
Sirri V, Roussel P, Hernandez-Verdun D (1999) The mitotically phosphorylated form of the transcription termination factor TTF-1 is associated with the repressed rDNA transcription machinery. J Cell Sci 112(19):3259–3268
Smetana K, Potměšil M (1968) Ring shaped nucleoli in liver cells of rats after treatment with actinomycin D. Z Zellforsch Mikrosk Anat 92(1):62–69
Spector DL (2003) The dynamics of chromosome organization and gene regulation. Annu Rev Biochem 72:573–608
Steen HB, Lindmo T (1979) Initiation of the blastogenic response of lymphocytes by hyperoptimal concentrations of concanavalin A. Eur J Immunol 9:434–439
Suzuki T, Higgins PJ, Crawford DR (2000) Control selection for RNA quantitation. Biotechniques 29:332–337
Towbin H, Staehelin T, Gordon J (1979) Electrophoretic transfer of proteins from polyacrylamide gels to nitrocellulose sheets: procedure and some applications. Proc Natl Acad Sci USA 76:4350–4354
Visintin R, Amon A (2000) The nucleolus: the magician’s hat for cell cycle tricks. Curr Opin Cell Biol 12:372–377
Wada A, Fukuda M, Mishima M, Nishida E (1998) Nuclear export of actin: a novel mechanism regulating the subcellular localization of a major cytoskeletal protein. Embo J 17:1635–1641
Zatsepina OV, Hozák P, Babadjanyan D, Chentsov Y (1988) Quantitative ultrastructural study of nucleolus-organizing regions at some stages of the cell cycle (G0 period, G2 period, mitosis). Biol Cell 62:211–218
Zhao K, Wang W, Rando OJ, Xue Y, Swiderek K, Kuo A, Crabtree GR (1998) Rapid and phosphoinositol-dependent binding of the SWI/SNF-like BAF complex to chromatin after T lymphocyte receptor signaling. Cell 95:625–636