Evolution of segmentation: rolling back the clock

Andrew Peel; Michael Akam

doi:10.1016/j.cub.2003.08.045

Evolution of segmentation: rolling back the clock

Curr Biol. 2003 Sep 16;13(18):R708-10. doi: 10.1016/j.cub.2003.08.045.

Authors

Andrew Peel¹, Michael Akam

Affiliation

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

PMID: 13678609
DOI: 10.1016/j.cub.2003.08.045

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?

MeSH terms

Animals
Biological Evolution*
Body Patterning*
Embryo, Nonmammalian / embryology*
Models, Biological
Phylogeny
Somites / metabolism*
Spiders / embryology*
Zebrafish / embryology*