Molecular control of development in the reef coral, Acropora millepora

Ball, E.E., Hayward, D.C., Catmull, J., Reece-Hoyes, J.S., Hislop, N.R., Harrison, P.L., and Miller, D.J. (2002) Molecular control of development in the reef coral, Acropora millepora. In: Proceedings of the 9th International Coral Reef Symposium (1) pp. 395-401. From: 9th International Coral Reef Symposium: World Coral Reefs in the New Millenium, 23-27 October 2000, Bali, Indonesia.

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Abstract

A brief overview of the embryonic and larval development of Acropora, including some previously unpublished data, provides the background for this review of our rapidly expanding knowledge of the genes that control early development in corals, with particular emphasis on Hox and Hox-like genes. Since the Phylum Cnidaria is widely accepted to be an ancient group of organisms, genes, and motifs within genes, that are shared by corals and higher metazoans are presumably ancient. Thus, shared genes allow us to study how gene structure and function have changed with time, while genes specific to higher metazoans have, presumably, evolved more recently. Anatomically, corals have many fewer cell types than higher metazoans, but it is not clear that this apparent simplicity will be reflected at the molecular level. We have already found Acropora representatives of structural genes, housekeeping genes, nuclear receptors, Hox-like genes, Pax genes and components of the dpp signalling pathway. However, thus far there is no unequivocal evidence for the cluster of Hox genes, known as the zootype genes, that is otherwise widespread among the Metazoa. As more data become available, the Cnidaria are making an increasing contribution to our knowledge of the evolution of gene structure, function, and regulation. We here illustrate the evolutionary approach that we are taking to the characterisation of coral genes with a review of our work on the Acropora Hox- like gene, cnox2-Am.

Item ID: 14668
Item Type: Conference Item (Research - E1)
ISBN: 979-8105-97-4
Keywords: Acropora millepora; Cnox2; coral; hox
Date Deposited: 28 Sep 2017 23:17
FoR Codes: 06 BIOLOGICAL SCIENCES > 0604 Genetics > 060409 Molecular Evolution @ 51%
06 BIOLOGICAL SCIENCES > 0604 Genetics > 060405 Gene Expression (incl Microarray and other genome-wide approaches) @ 49%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 100%
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