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Published on: December 28, 2016
Hox genes are not always Colinear
Ana Sara Monteiro1, David E K Ferrier
1Department of Zoology, University of Oxford, UK.
International Journal of Biological Sciences
|June 10, 2006
Summary
Deuterostome Hox gene clusters offer insights into animal evolution. Temporal Colinearity is hypothesized as a key factor in Hox cluster organization, though its widespread mechanisms remain under investigation.
Area of Science:
- Evolutionary biology
- Developmental genetics
Background:
- Deuterostomes provide extensive data on Hox cluster organization.
- Amphioxus possesses a prototypical Hox cluster, while urochordates show derived, disintegrated clusters.
Purpose of the Study:
- To understand Hox cluster evolution within deuterostomes.
- To investigate the role of Temporal Colinearity in Hox cluster organization.
Main Methods:
- Comparative analysis of Hox cluster organization in deuterostomes.
- Integration of mechanistic understanding of vertebrate Hox regulation.
Main Results:
- Deuterostome Hox clusters, both prototypical and derived, offer valuable data for evolutionary studies.
- Temporal Colinearity is proposed as a primary constraint on Hox cluster organization.
Conclusions:
- Further research into the mechanistic basis and prevalence of Temporal Colinearity is needed.
- The precise operation of the last common bilaterian Hox cluster and its evolutionary pressures remain to be fully elucidated.
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