Abstract：
BACKGROUND:Members of the Sox gene family isolated from both vertebrates and invertebrates have been proved to participate in a wide variety of developmental processes, including sex determination and differentiation. Among these members, Sox30 had been considered to exist only in mammals since its discovery, and its exact function remains unclear. RESULTS:Sox30 cDNA was cloned from the Nile tilapia by RT-PCR and RACE. Screening of available genome and EST databases and phylogenetic analysis showed that Sox30 also exists in non-mammalian vertebrates and invertebrates, which was further supported by synteny analyses. Tissue expression in human, mouse and tilapia suggested that Sox30 was probably a gonad-specific gene, which was also supported by the fact that Sox30 EST sequences were obtained from gonads of the animal species. In addition, four alternatively spliced isoforms were isolated from tilapia gonad. Their temporal and spatial expression patterns during normal and sex reversed gonadal development were investigated by RT-PCR and in situ hybridization. Our data suggest that expressions of Sox30 isoforms are related to stage and phenotypic-sex, observed in the germ cells of male gonad and in somatic cells of the female gonad. CONCLUSIONS:Sox30 is not a gene only existed in mammals, but exists widely throughout the animal kingdom as supported by our bioinformatic, phylogenetic and syntenic analyses. It is very likely that Sox30 is expressed exclusively in gonads. Expression analyses revealed that Sox30 may be involved in female and male gonadal development at different stages by alternative splicing.
journal_name
BMC Mol Bioljournal_title
BMC molecular biologyauthors
Han F,Wang Z,Wu F,Liu Z,Huang B,Wang Ddoi
10.1186/1471-2199-11-98subject
Has Abstractpub_date
2010-12-11 00:00:00pages
98issn
1471-2199pii
1471-2199-11-98journal_volume
11pub_type
杂志文章abstract：BACKGROUND:CCAAT/Enhancer Binding Proteindelta (C/EBPdelta) is a member of the highly conserved C/EBP family of leucine zipper (bZIP) proteins. C/EBPdelta is highly expressed in G0 growth arrested mammary epithelial cells (MECs) and "loss of function" alterations in C/EBPdelta have been associated with impaired contact...
journal_title：BMC molecular biology
pub_type： 杂志文章
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journal_title：BMC molecular biology
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journal_title：BMC molecular biology
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更新日期：2014-04-03 00:00:00
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journal_title：BMC molecular biology
pub_type： 杂志文章
doi：10.1186/1471-2199-9-11
更新日期：2008-01-23 00:00:00
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更新日期：2004-07-01 00:00:00
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更新日期：2008-04-29 00:00:00
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更新日期：2007-04-12 00:00:00
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journal_title：BMC molecular biology
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更新日期：2002-06-21 00:00:00
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更新日期：2002-04-24 00:00:00
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更新日期：2016-11-04 00:00:00
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更新日期：2016-12-09 00:00:00
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更新日期：2009-02-23 00:00:00
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journal_title：BMC molecular biology
pub_type： 杂志文章
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更新日期：2007-10-25 00:00:00
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更新日期：2003-04-28 00:00:00
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更新日期：2007-12-21 00:00:00
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更新日期：2009-04-17 00:00:00
