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The duplication of the Hox gene clusters in teleost fishes\*1 by Sonja J. Prohaska; Peter F. Stadler is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is The duplication of the Hox gene clusters in teleost fishes\*1 about?

Higher teleost fishes, including zebrafish and fugu, have duplicated their Hox genes relative to the gene inventory of other gnathostome lineages. The most widely accepted theory contends that the duplicate Hox clusters orginated synchronously during a single genome duplication event in the early history of ray-finned fishes. In this contribution we collect and re-evaluate all publicly available sequence information. In particular, we show that the short Hox gene fragments from published PCR surveys of the killifish Fundulus heteroclitus, the medaka Oryzias latipes and the goldfish Carassius auratus can be used to determine with little ambiguity not only their paralog group but also their membership in a particular cluster.Together with a survey of the genomic sequence data from the pufferfish Tetraodon nigroviridis we show that at least percomorpha, and possibly all eutelosts, share a system of 7 or 8 orthologous Hox gene clusters. There is little doubt about the orthology of the two teleost duplicates of the HoxA and HoxB clusters. A careful analysis of both the coding sequence of Hox genes and of conserved non-coding sequences provides additional support for the "duplication ear

Who reads The duplication of the Hox gene clusters in teleost fishes\*1?

Author

Sonja J. Prohaska; Peter F. Stadler

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC (ISSN 1431-7613)

Published

2004

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)