Lens Specification Is the Ground State of All Sensory Placodes, from which FGF Promotes Olfactory Identity

Ahrens, 2005, Tissues and signals involved in the induction of placodal Six1 expression in Xenopus laevis, Dev. Biol., 288, 40, 10.1016/j.ydbio.2005.07.022 Ashery-Padan, 2000, Pax6 activity in the lens primordium is required for lens formation and for correct placement of a single retina in the eye, Genes Dev., 14, 2701, 10.1101/gad.184000 Bailey, 2006, Sensory organs: making and breaking the pre-placodal region, Curr. Top. Dev. Biol., 72, 167, 10.1016/S0070-2153(05)72003-2 Baker, 1999, Competence, specification and induction of Pax-3 in the trigeminal placode, Development, 126, 147, 10.1242/dev.126.1.147 Barabanov, 1982, The distribution of lens differentiation capacity in the head ectoderm of chick embryos, Differentiation, 21, 183, 10.1111/j.1432-0436.1982.tb01212.x Barald, 2004, From placode to polarization: new tunes in inner ear development, Development, 131, 4119, 10.1242/dev.01339 Begbie, 2001, The ectodermal placodes: a dysfunctional family, Philos. Trans. R. Soc. Lond. B Biol. Sci., 356, 1655, 10.1098/rstb.2001.0920 Begbie, 1999, Induction of the epibranchial placodes, Development, 126, 895, 10.1242/dev.126.5.895 Bhattacharyya, 2004, Segregation of lens and olfactory precursors from a common territory: cell sorting and reciprocity of Dlx5 and Pax6 expression, Dev. Biol., 271, 403, 10.1016/j.ydbio.2004.04.010 Brugmann, 2004, Six1 promotes a placodal fate within the lateral neurogenic ectoderm by functioning as both a transcriptional activator and repressor, Development, 131, 5871, 10.1242/dev.01516 Buchberger, 1998, Chicken winged-helix transcription factor cFKH-1 prefigures axial and appendicular skeletal structures during chicken embryogenesis, Dev. Dyn., 212, 94, 10.1002/(SICI)1097-0177(199805)212:1<94::AID-AJA9>3.0.CO;2-Y Cheng, 2000, Chick sox10, a transcription factor expressed in both early neural crest cells and central nervous system, Brain Res. Dev. Brain Res., 121, 233, 10.1016/S0165-3806(00)00049-3 Chow, 1999, Pax6 induces ectopic eyes in a vertebrate, Development, 126, 4213, 10.1242/dev.126.19.4213 Coulombre, 1963, Lens development: fiber elongation and lens orientation, Science, 142, 1489, 10.1126/science.142.3598.1489 De Moerlooze, 2000, An important role for the IIIb isoform of fibroblast growth factor receptor 2 (FGFR2) in mesenchymal-epithelial signalling during mouse organogenesis, Development, 127, 483, 10.1242/dev.127.3.483 Donner, 2004, Conservation and non-conservation of genetic pathways in eye specification, Int. J. Dev. Biol., 48, 743, 10.1387/ijdb.041877ad Dutta, 2005, pitx3 defines an equivalence domain for lens and anterior pituitary placode, Development, 132, 1579, 10.1242/dev.01723 Eagleson, 2002, The role of the anterior neural ridge and Fgf-8 in early forebrain patterning and regionalization in Xenopus laevis, Comp. Biochem. Physiol. B Biochem. Mol. Biol., 132, 179, 10.1016/S1096-4959(01)00521-8 Ede, 1964, Developmental abnormalities in the head region of the talpid mutant of the fowl, J. Embryol. Exp. Morphol., 12, 161 Faber, 2001, Fgf receptor signaling plays a role in lens induction, Development, 128, 4425, 10.1242/dev.128.22.4425 Faber, 2002, Bmp signaling is required for development of primary lens fiber cells, Development, 129, 3727, 10.1242/dev.129.15.3727 Firnberg, 2002, FGF signaling regulates expression of Tbx2, Erm, Pea3, and Pax3 in the early nasal region, Dev. Biol., 247, 237, 10.1006/dbio.2002.0696 Fisher, 2004, Lens induction and determination, 27 Fuhrmann, 2000, Extraocular mesenchyme patterns the optic vesicle during early eye development in the embryonic chick, Development, 127, 4599, 10.1242/dev.127.21.4599 Furuta, 1998, BMP4 is essential for lens induction in the mouse embryo, Genes Dev., 12, 3764, 10.1101/gad.12.23.3764 Gehring, 1999, Pax 6: mastering eye morphogenesis and eye evolution, Trends Genet., 15, 371, 10.1016/S0168-9525(99)01776-X Glavic, 2004, Role of BMP signaling and the homeoprotein Iroquois in the specification of the cranial placodal field, Dev. Biol., 272, 89, 10.1016/j.ydbio.2004.04.020 Graham, 2000, Neurogenic placodes: a common front, Trends Neurosci., 23, 313, 10.1016/S0166-2236(00)01606-4 Grainger, 1996, New perspectives on embryonic lens induction, Semin. Cell Dev. Biol., 7, 149, 10.1006/scdb.1996.0021 Grindley, 1995, The role of Pax-6 in eye and nasal development, Development, 121, 1433, 10.1242/dev.121.5.1433 Groves, 2000, Competence, specification and commitment in otic placode induction, Development, 127, 3489, 10.1242/dev.127.16.3489 Gunhaga, 2003, Specification of dorsal telencephalic character by sequential Wnt and FGF signaling, Nat. Neurosci., 6, 701, 10.1038/nn1068 Halder, 1995, Induction of ectopic eyes by targeted expression of the eyeless gene in Drosophila, Science, 267, 1788, 10.1126/science.7892602 Hamburger, 1951, A series of normal stages in the development of the chick embryo, J. Morphol., 88, 49, 10.1002/jmor.1050880104 Hanson, 2001, Mammalian homologues of the Drosophila eye specification genes, Semin. Cell Dev. Biol., 12, 475, 10.1006/scdb.2001.0271 Henry, 1987, Inductive interactions in the spatial and temporal restriction of lens-forming potential in embryonic ectoderm of Xenopus laevis, Dev. Biol., 124, 200, 10.1016/0012-1606(87)90472-6 Henry, 1990, Early tissue interactions leading to embryonic lens formation in Xenopus laevis, Dev. Biol., 141, 149, 10.1016/0012-1606(90)90110-5 Herzog, 2004, Fgf3 signaling from the ventral diencephalon is required for early specification and subsequent survival of the zebrafish adenohypophysis, Development, 131, 3681, 10.1242/dev.01235 Hilfer, 1983, Development of the eye of the chick embryo, Scan. Electron Microsc., 1353 Houart, 1998, A small population of anterior cells patterns the forebrain during zebrafish gastrulation, Nature, 391, 788, 10.1038/35853 Jacobson, 1963, The determination and positioning of the nose, lens, and ear. III. Effects of reversing the antero-posterior axis of epidermis, neural plate and neural fold, J. Exp. Zool., 154, 293, 10.1002/jez.1401540305 Jacobson, 1966, Inductive processes in embryonic development, Science, 152, 25, 10.1126/science.152.3718.25 Kamachi, 1995, Involvement of SOX proteins in lens-specific activation of crystallin genes, EMBO J., 14, 3510, 10.1002/j.1460-2075.1995.tb07357.x Kamachi, 1998, Involvement of Sox1, 2 and 3 in the early and subsequent molecular events of lens induction, Development, 125, 2521, 10.1242/dev.125.13.2521 Kamachi, 2001, Pax6 and SOX2 form a co-DNA-binding partner complex that regulates initiation of lens development, Genes Dev., 15, 1272, 10.1101/gad.887101 Karabagli, 2002, Comparison of the expression patterns of several fibroblast growth factors during chick gastrulation and neurulation, Anat. Embryol. (Berl.), 205, 365, 10.1007/s00429-002-0264-7 Karabagli, 2002, Survey of fibroblast growth factor expression during chick organogenesis, Anat. Rec., 268, 1, 10.1002/ar.10129 Kaufman, 1979, Cephalic neurulation and optic vesicle formation in the early mouse embryo, Am. J. Anat., 155, 425, 10.1002/aja.1001550403 Kawakami, 2000, Six family genes—structure and function as transcription factors and their roles in development, Bioessays, 22, 616, 10.1002/1521-1878(200007)22:7<616::AID-BIES4>3.0.CO;2-R Kawauchi, 2005, Fgf8 expression defines a morphogenetic center required for olfactory neurogenesis and nasal cavity development in the mouse, Development, 132, 5211, 10.1242/dev.02143 Kondoh, 2000, Zebrafish mutations in Gli-mediated hedgehog signaling lead to lens transdifferentiation from the adenohypophysis anlage, Mech. Dev., 96, 165, 10.1016/S0925-4773(00)00387-7 Kozlowski, 1997, Regional cell movement and tissue patterning in the zebrafish embryo revealed by fate mapping with caged fluorescein, Biochem. Cell Biol., 75, 551, 10.1139/o97-090 LaMantia, 2000, Mesenchymal/epithelial induction mediates olfactory pathway formation, Neuron, 28, 411, 10.1016/S0896-6273(00)00121-5 Lang, 2004, Pathways regulating lens induction in the mouse, Int. J. Dev. Biol., 48, 783, 10.1387/ijdb.041903rl Li, 1994, Pax-6 is first expressed in a region of ectoderm anterior to the early neural plate: implications for stepwise determination of the lens, Dev. Biol., 162, 181, 10.1006/dbio.1994.1077 Li, 2003, Eya protein phosphatase activity regulates Six1-Dach-Eya transcriptional effects in mammalian organogenesis, Nature, 426, 247, 10.1038/nature02083 Litsiou, 2005, A balance of FGF, Wnt and BMP signalling positions the future placode territory in the head, Development, 132, 4051, 10.1242/dev.01964 Martin, 2006, Competence of cranial ectoderm to respond to Fgf signaling suggests a two-step model of otic placode induction, Development, 133, 877, 10.1242/dev.02267 McKeehan, 1951, Cytological aspects of embryonic lens induction in the chick, J. Exp. Zool., 117, 31, 10.1002/jez.1401170104 McLarren, 2003, DLX5 positions the neural crest and preplacode region at the border of the neural plate, Dev. Biol., 259, 34, 10.1016/S0012-1606(03)00177-5 Muta, 2002, Distinct roles of SOX2, Pax6 and Maf transcription factors in the regulation of lens-specific δ1-crystallin enhancer, Genes Cells, 7, 791, 10.1046/j.1365-2443.2002.00560.x Ogino, 1998, Induction of lens differentiation by activation of a bZIP transcription factor, L-Maf, Science, 280, 115, 10.1126/science.280.5360.115 Ogino, 2000, Sequential activation of transcription factors in lens induction, Dev. Growth Differ., 42, 437, 10.1046/j.1440-169x.2000.00532.x Ohuchi, 2000, FGF10 acts as a major ligand for FGF receptor 2 IIIb in mouse multi-organ development, Biochem. Biophys. Res. Commun., 277, 643, 10.1006/bbrc.2000.3721 Ohyama, 2004, Generation of Pax2-Cre mice by modification of a Pax2 bacterial artificial chromosome, Genesis, 38, 195, 10.1002/gene.20017 Riley, 2003, Ringing in the new ear: resolution of cell interactions in otic development, Dev. Biol., 261, 289, 10.1016/S0012-1606(03)00245-8 Rubenstein, 1998, Regionalization of the prosencephalic neural plate, Annu. Rev. Neurosci., 21, 445, 10.1146/annurev.neuro.21.1.445 Sbrogna, 2003, Multiple roles for Hedgehog signaling in zebrafish pituitary development, Dev. Biol., 254, 19, 10.1016/S0012-1606(02)00027-1 Schlosser, 2006, Induction and specification of cranial placodes, Dev. Biol., 294, 303, 10.1016/j.ydbio.2006.03.009 Shimada, 2003, Cooperative action between L-Maf and Sox2 on δ-crystallin gene expression during chick lens development, Mech. Dev., 120, 455, 10.1016/S0925-4773(03)00002-9 Slack, 1991 Smith, 2005, The duality of β-catenin function: a requirement in lens morphogenesis and signaling suppression of lens fate in periocular ectoderm, Dev. Biol., 285, 477, 10.1016/j.ydbio.2005.07.019 Spemann, 1901, Über Korrelationen in der Entwicklung des Auges, Verh. Anat. Ges., 15, 61 Stark, 1997, Neural tube-ectoderm interactions are required for trigeminal placode formation, Development, 124, 4287, 10.1242/dev.124.21.4287 Stern, 1981, An integrated experimental study of endoderm formation in avian embryos, Anat. Embryol. (Berl.), 163, 245, 10.1007/BF00315703 Streit, 2002, Extensive cell movements accompany formation of the otic placode, Dev. Biol., 249, 237, 10.1006/dbio.2002.0739 Streit, 2004, Early development of the cranial sensory nervous system: from a common field to individual placodes, Dev. Biol., 276, 1, 10.1016/j.ydbio.2004.08.037 Streit, 1997, Preventing the loss of competence for neural induction: HGF/SF, L5 and Sox-2, Development, 124, 1191, 10.1242/dev.124.6.1191 Streit, 1998, Chordin regulates primitive streak development and the stability of induced neural cells, but is not sufficient for neural induction in the chick embryo, Development, 125, 507, 10.1242/dev.125.3.507 Sullivan, 2004, A re-examination of lens induction in chicken embryos: in vitro studies of early tissue interactions, Int. J. Dev. Biol., 48, 771, 10.1387/ijdb.041894cs Torres, 1998, The development of the vertebrate inner ear, Mech. Dev., 71, 5, 10.1016/S0925-4773(97)00155-X Varga, 2001, Zebrafish smoothened functions in ventral neural tube specification and axon tract formation, Development, 128, 3497, 10.1242/dev.128.18.3497 von Woellwarth, 1961, Die Rolle des Neuralleistenmaterials und der Temperatur bei der Determination der Augenlinse, Embryologia (Nagoya), 6, 219, 10.1111/j.1440-169X.1961.tb00126.x Walther, 1991, Pax-6, a murine paired box gene, is expressed in the developing CNS, Development, 113, 1435, 10.1242/dev.113.4.1435 Wawersik, 1999, BMP7 acts in murine lens placode development, Dev. Biol., 207, 176, 10.1006/dbio.1998.9153 Xu, 1999, Eya1-deficient mice lack ears and kidneys and show abnormal apoptosis of organ primordia, Nat. Genet., 23, 113, 10.1038/12722 Yamamoto, 2000, Central role for the lens in cave fish eye degeneration, Science, 289, 631, 10.1126/science.289.5479.631 Zhadanov, 1995, Expression pattern of the murine LIM class homeobox gene Lhx3 in subsets of neural and neuroendocrine tissues, Dev. Dyn., 202, 354, 10.1002/aja.1002020405 Zheng, 2003, The role of Six1 in mammalian auditory system development, Development, 130, 3989, 10.1242/dev.00628 Zhu, 2002, Six3-mediated auto repression and eye development requires its interaction with members of the Groucho-related family of co-repressors, Development, 129, 2835, 10.1242/dev.129.12.2835 Zygar, 1998, Gene activation during early stages of lens induction in Xenopus, Development, 125, 3509, 10.1242/dev.125.17.3509