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Unusual gene order and organization of the sea urchin hox cluster

Open access
Cameron, R. Andrew, Rowen, Lee, Nesbitt, Ryan, Bloom, Scott, Rast, Jonathan P., Berney, Kevin, Arenas‐Mena, Cesar, Martinez, Pedro, Lucas, Susan, Richardson, Paul M., Davidson, Eric H., Peterson, Kevin J., Hood, Leroy·2006·Journal of Experimental Zoology Part B: Molecular and Developmental Evolution

Abstract

While the highly consistent gene order and axial colinear patterns of expression seem to be a feature of vertebrate hox gene clusters, this pattern may be less well conserved across the rest of the bilaterians. We report the first deuterostome instance of an intact hox cluster with a unique gene order where the paralog groups are not expressed in a sequential manner. The finished sequence from BAC clones from the genome of the sea urchin, Strongylocentrotus purpuratus , reveals a gene order wherein the anterior genes (Hox1, Hox2 and Hox3) lie nearest the posterior genes in the cluster such that the most 3′ gene is Hox5. (The gene order is 5′‐Hox1, 2, 3, 11/13c, 11/13b, 11/13a, 9/10, 8, 7, 6, 5‐3′.) The finished sequence result is corroborated by restriction mapping evidence and BAC‐end scaffold analyses. Comparisons with a putative ancestral deuterostome Hox gene cluster suggest that the rearrangements leading to the sea urchin gene order were many and complex. J. Exp. Zool. (Mol. Dev. Evol.) 304B, 2005 . © 2005 Wiley‐Liss, Inc.

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Metadata

Authors
Cameron, R. A., Rowen, L., Nesbitt, R., Bloom, S., Rast, J. P., Berney, K., Arenas‐Mena, C., Martinez, P., Lucas, S., Richardson, P. M., Davidson, E. H., Peterson, K. J., & Hood, L.
Venue
Journal of Experimental Zoology Part B: Molecular and Developmental Evolution
Publisher
Wiley
Published
2005-08-22
Volume
306B
Issue
1
Pages
45-58
ISSN
  • 1552-5007 (ISSN-L)
  • 1552-5015
OpenAlex
W2107449113
Cited by
173
References
7
FWCI
4.03
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Unusual gene order and organization of the sea urchin hox cluster. https://app.cochat.ai/papers/10.1002/jez.b.21070
The paper
Cameron, R. A., Rowen, L., Nesbitt, R., Bloom, S., Rast, J. P., Berney, K., Arenas‐Mena, C., Martinez, P., Lucas, S., Richardson, P. M., Davidson, E. H., Peterson, K. J., & Hood, L. (2006). Unusual gene order and organization of the sea urchin hox cluster. Journal of Experimental Zoology Part B: Molecular and Developmental Evolution. https://doi.org/10.1002/jez.b.21070

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