178
F. Raible and P.R.H. Steinmetz
Simionato E et al (2007) Origin and diversification of the basic helix-loop-helix gene family in
metazoans: insights from comparative genomics. BMC Evol Biol 7: 33
Skogh C et al (2006) Bilaterally symmetrical rhopalial nervous system of the box jellyfish
Tripedalia cystophora. J Morphol 267: 1391–1405
Snell EA et al (2006) An unusual choanoflagellate protein released by Hedgehog autocatalytic
processing. Proc R Soc B 273: 401–407
Sperling EA, Peterson KJ. (2007) Poriferan paraphyly and its implication for precambrian paleobiology. In Vickers-Rich P, Komarower P (eds) The rise and fall of the ediacaran biota. Geological
Society, London
Spring J et al (2002) Conservation of Brachyury, Mef2, and Snail in the myogenic lineage of
jellyfish: a connection to the mesoderm of bilateria. Dev Biol 244: 372–384
Srivastava M et al (2008) The Trichoplax genome and the nature of placozoans. Nature 454:
955–960
St-Onge L et al (1997) Pax6 is required for differentiation of glucagon-producing alpha-cells in
mouse pancreas. Nature 387: 406–409
Steinmetz PR et al (2007) Polychaete trunk neuroectoderm converges and extends by mediolateral
cell intercalation. Proc Natl Acad Sci USA 104: 2727–2732
Stephenson TA (1928) The British Sea Anemones. Dulau & Co, London
Stephenson TA (1935) The British Sea Anemones. Dulau & Co, London
Stierwald M et al (2004) The Sine oculis/Six class family of homeobox genes in jellyfish with and
without eyes: development and eye regeneration. Dev Biol 274: 70–81
Suga H et al (2008) Evolution and functional diversity of jellyfish opsins. Curr Biol 18: 51–55
Syed T, Schierwater B (2002) Trichoplax adherens: discovered as a missing link, forgotten as a
hydrozoan, re-discovered as a key to metazoan evolution. Vie Milieu 52: 177–187
Tassy O et al (2006) A quantitative approach to the study of cell shapes and interactions during
early chordate embryogenesis. Curr Biol 16: 345–358
Tautz D (2004) Segmentation. Dev Cell 7: 301–312
Taylor JS, Raes J (2004) Duplication and divergence: The evolution of new genes and old ideas.
Ann Rev Genet 38: 615–643
Technau U (2001) Brachyury, the blastopore and the evolution of the mesoderm. BioEssays 23:
788–794
Technau U et al (2005) Maintenance of ancestral complexity and non-metazoan genes in two basal
cnidarians. Trends Genet 21: 633–639
Technau U, Scholz CB (2003) Origin and evolution of endoderm and mesoderm. Int J Dev Biol
47: 47
Tessmar-Raible K et al (2005) Fluorescent two color whole-mount in situ hybridization in
Platynereis dumerilii (Polychaeta, Annelida), an emerging marine molecular model for evolution and development. BioTechniques 39:460–464
Valentine JW (2000) Two genomic paths to the evolution of complexity in bodyplans. Paleobiology
26: 513–519
Valentine JW et al (1994) Morphological complexity increase in metazoans. Paleobiology 20:
131–142
Vogel C, Chothia C (2006) Protein family expansions and biological complexity. PLOS Comput
Biol 2: e48
Voigt O et al (2004) Placozoa – no longer a phylum of one. Curr Biol 14: R944–R945
Wenderoth H (1986) Transepithelial cytophagy by Trichoplax adherens F.E. Schulze (Placozoa)
feeding on yeast. Zeitschrift für Naturforschung. Section C, Biosciences 41: 343–347
Woo K, Fraser S (1995) Order and coherence in the fate map of the zebrafish nervous system.
Development 121: 2595–2609
Woolfe A et al (2005) Highly conserved non-coding sequences are associated with vertebrate
development. PLoS Biol 3: e7
Yanze N et al (2001) Conservation of Hox/ParaHox-related genes in the early development of a
cnidarian. Dev Biol 236: 89–98
F. Raible and P.R.H. Steinmetz
Simionato E et al (2007) Origin and diversification of the basic helix-loop-helix gene family in
metazoans: insights from comparative genomics. BMC Evol Biol 7: 33
Skogh C et al (2006) Bilaterally symmetrical rhopalial nervous system of the box jellyfish
Tripedalia cystophora. J Morphol 267: 1391–1405
Snell EA et al (2006) An unusual choanoflagellate protein released by Hedgehog autocatalytic
processing. Proc R Soc B 273: 401–407
Sperling EA, Peterson KJ. (2007) Poriferan paraphyly and its implication for precambrian paleobiology. In Vickers-Rich P, Komarower P (eds) The rise and fall of the ediacaran biota. Geological
Society, London
Spring J et al (2002) Conservation of Brachyury, Mef2, and Snail in the myogenic lineage of
jellyfish: a connection to the mesoderm of bilateria. Dev Biol 244: 372–384
Srivastava M et al (2008) The Trichoplax genome and the nature of placozoans. Nature 454:
955–960
St-Onge L et al (1997) Pax6 is required for differentiation of glucagon-producing alpha-cells in
mouse pancreas. Nature 387: 406–409
Steinmetz PR et al (2007) Polychaete trunk neuroectoderm converges and extends by mediolateral
cell intercalation. Proc Natl Acad Sci USA 104: 2727–2732
Stephenson TA (1928) The British Sea Anemones. Dulau & Co, London
Stephenson TA (1935) The British Sea Anemones. Dulau & Co, London
Stierwald M et al (2004) The Sine oculis/Six class family of homeobox genes in jellyfish with and
without eyes: development and eye regeneration. Dev Biol 274: 70–81
Suga H et al (2008) Evolution and functional diversity of jellyfish opsins. Curr Biol 18: 51–55
Syed T, Schierwater B (2002) Trichoplax adherens: discovered as a missing link, forgotten as a
hydrozoan, re-discovered as a key to metazoan evolution. Vie Milieu 52: 177–187
Tassy O et al (2006) A quantitative approach to the study of cell shapes and interactions during
early chordate embryogenesis. Curr Biol 16: 345–358
Tautz D (2004) Segmentation. Dev Cell 7: 301–312
Taylor JS, Raes J (2004) Duplication and divergence: The evolution of new genes and old ideas.
Ann Rev Genet 38: 615–643
Technau U (2001) Brachyury, the blastopore and the evolution of the mesoderm. BioEssays 23:
788–794
Technau U et al (2005) Maintenance of ancestral complexity and non-metazoan genes in two basal
cnidarians. Trends Genet 21: 633–639
Technau U, Scholz CB (2003) Origin and evolution of endoderm and mesoderm. Int J Dev Biol
47: 47
Tessmar-Raible K et al (2005) Fluorescent two color whole-mount in situ hybridization in
Platynereis dumerilii (Polychaeta, Annelida), an emerging marine molecular model for evolution and development. BioTechniques 39:460–464
Valentine JW (2000) Two genomic paths to the evolution of complexity in bodyplans. Paleobiology
26: 513–519
Valentine JW et al (1994) Morphological complexity increase in metazoans. Paleobiology 20:
131–142
Vogel C, Chothia C (2006) Protein family expansions and biological complexity. PLOS Comput
Biol 2: e48
Voigt O et al (2004) Placozoa – no longer a phylum of one. Curr Biol 14: R944–R945
Wenderoth H (1986) Transepithelial cytophagy by Trichoplax adherens F.E. Schulze (Placozoa)
feeding on yeast. Zeitschrift für Naturforschung. Section C, Biosciences 41: 343–347
Woo K, Fraser S (1995) Order and coherence in the fate map of the zebrafish nervous system.
Development 121: 2595–2609
Woolfe A et al (2005) Highly conserved non-coding sequences are associated with vertebrate
development. PLoS Biol 3: e7
Yanze N et al (2001) Conservation of Hox/ParaHox-related genes in the early development of a
cnidarian. Dev Biol 236: 89–98