Cnidarians and ancestral genetic complexity in the animal kingdom

Miller, David J., Ball, Eldon E., and Technau, Ulrich (2005) Cnidarians and ancestral genetic complexity in the animal kingdom. Trends in Genetics, 21 (10). pp. 536-539.

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Eleven of the twelve recognized wingless (Wnt) subfamilies are represented in the sea anemone Nematostella vectensis, indicating that this developmentally important gene family was already fully diversified in the common ancestor of ‘higher’ animals. In deuterostomes, although duplications have occurred, no novel subfamilies of Wnts have evolved. By contrast, the protostomes Drosophila and Caenorhabditis have lost half of the ancestral Wnts. This pattern – loss of genes from an ancestrally complex state – might be more important in animal evolution than previously recognized.

Item ID: 1492
Item Type: Article (Research - C1)
ISSN: 1362-4555
Keywords: Cnidaria, Nematostella vectensis, Acropora millepora, Polychaeta, Platynereis dumerilii, Wnts, ancestral genes, basal lineages
Date Deposited: 01 Jun 2007
FoR Codes: 06 BIOLOGICAL SCIENCES > 0601 Biochemistry and Cell Biology > 060199 Biochemistry and Cell Biology not elsewhere classified @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 100%
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