Hox gene evolution in nematodes: novelty conserved.

Abstract:

:The conserved homeobox (Hox) gene cluster is neither conserved nor clustered in the nematode Caenorhabditis elegans. Instead, C. elegans has a reduced and dispersed gene complement that is the result the loss of Hox genes in stages throughout its evolutionary history. The roles of Hox genes in patterning the nematode body axis are also divergent, although there are tantalising remnants of ancient regulatory systems. Hox patterning also differs greatly between C. elegans and a second 'model' nematode, Pristionchus pacificus. The pattern of Hox gene evolution may be indicative of the move to deterministic developmental modes in nematodes.

journal_name

Curr Opin Genet Dev

authors

Aboobaker A,Blaxter M

doi

10.1016/j.gde.2003.10.009

subject

Has Abstract

pub_date

2003-12-01 00:00:00

pages

593-8

issue

6

eissn

0959-437X

issn

1879-0380

pii

S0959437X03001473

journal_volume

13

pub_type

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