Molecular evidence of anteroposterior patterning in adult …
2023年11月1日 · The origin of the pentaradial body plan of echinoderms from a bilateral ancestor is one of the most enduring zoological puzzles 1,2. Because echinoderms are …
Genomic insights of body plan transitions from bilateral to …
2020年7月10日 · These data provide fundamental genomic, transcriptomic, and proteomic insights of body plan evolution in echinoderms, and enhance our understanding of the …
The oldest echinoderm faunas from Gondwana show …
2013年1月22日 · The earliest fossil echinoderms have, until now, come almost exclusively from North America and are represented by few taxa, all of which have a radiate body plan. Here we report the...
Echinoderms, a group closely related to chor-Bdates, are exceptional in this regard, developing pentameral symmetry as adults from bilaterally symmetric larvae. Even sea cucumbers, which …
Hydrocoel morphogenesis forming the pentaradial body plan in a …
2022年4月11日 · Species belonging to the phylum Echinodermata constitute a deuterostome clade that shows unique pentaradial body plans. Echinoderms are thought to have evolved …
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The brittle star genome illuminates the genetic basis of animal ...
2024年7月19日 · Adult echinoderms share a characteristic pentameral symmetry, which represents the most derived body plan among Bilateria 25.
Echinoderms such as starfish are unusual for their five-fold body symmetry. Maps of gene-expression patterns show how this body plan was acquired, and that the genes specifying
echinoderms and hemichordates, based on adult mor-phology. The echinoderms have a derived body plan, many groups show pentaradial adult symmetry, and all
Insights from the echinoderms - Nature
1997年10月16日 · The main features of the modern adult echinoderm body plan are: fivefold radial symmetry (the sea cucumber is only secondarily bilateral); a calcite endoskeleton (test, spicules and/or spines ...