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Curr Biol. 2003 Sep 16;13(18):R708-10.

Evolution of segmentation: rolling back the clock.

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  • 1Laboratory for Development and Evolution, Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK.

Abstract

Recent work has revealed striking similarities in the genetic mechanisms underpinning somitogenesis in zebrafish and segmentation in the spider. Could this mean that the bilaterian common ancestor was segmented after all?

PMID:
13678609
[PubMed - indexed for MEDLINE]
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