Document Detail


Novel sex-determining genes in fish and sex chromosome evolution.
MedLine Citation:
PMID:  23335327     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Although the molecular mechanisms underlying many developmental events are conserved across vertebrate taxa, the lability at the top of the sex-determining (SD) cascade has been evident from the fact that four master SD genes have been identified: mammalian Sry; chicken DMRT1; medaka Dmy; and Xenopus laevis DM-W. This diversity is thought to be associated with the turnover of sex chromosomes, which is likely to be more frequent in fishes and other poikilotherms than in therian mammals and birds. Recently four novel candidates for vertebrate SD genes were reported, all of them in fishes. These include amhy in the Patagonian pejerrey, Gsdf in Oryzias luzonensis, Amhr2 in fugu and sdY in rainbow trout. These studies provide a good opportunity to infer patterns from the seemingly chaotic picture of sex determination systems. Here, we review recent advances in our understanding of the master SD genes in fishes. © 2013 Wiley Periodicals, Inc., a Wiley company.
Authors:
Kiyoshi Kikuchi; Satoshi Hamaguchi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-17
Journal Detail:
Title:  Developmental dynamics : an official publication of the American Association of Anatomists     Volume:  -     ISSN:  1097-0177     ISO Abbreviation:  Dev. Dyn.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9201927     Medline TA:  Dev Dyn     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Wiley Periodicals, Inc.
Affiliation:
Fisheries Laboratory, University of Tokyo, Hamamatsu, Shizuoka 431-0214, Japan. akikuchi@mail.ecc.u-tokyo.ac.jp.
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