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Identification and Characterization of the Sex-Determiner Transformer-2 Homologue in Chinese Shrimp, Fenneropenaeus chinensis
Li, S.1; Li, F.1; Wen, R.1,2; Xiang, J.1; Li, F (reprint author), Chinese Acad Sci, Key Lab Expt Marine Biol, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China.
2012
发表期刊SEXUAL DEVELOPMENT
ISSN1661-5425
卷号6期号:5页码:267-278
文章类型Article
摘要The transformer-2 gene, encoding a protein (Tra-2) which directs sex-specifically alternative splicing of doublesex (dsx) pre-mRNA in combination with the transformer (Tra) protein, has been proved to play important roles on sex differentiation and sex development in Drosophila melanogaster. In the present study, a tra-2 homologue (FcTra-2) was cloned and characterized in the Chinese shrimp, Fenneropenaeus chinensis. A FcTra-2 genomic DNA sequence with a length of 8,871 bp was obtained and verified to consist of 7 exons and 6 introns. Three alternatively spliced mRNA transcripts, designated as FcTra-2a, FcTra-2b and FcTra-2c, were isolated and characterized. Sequence analysis showed that FcTra-2 included a RNA recognition motif and a linker region, which shared high sequence identities with Tra-2 from other species and 2 arginine/serine rich regions. Further studies were performed on the isoform FcTra-2c, since it exhibited a significantly higher expression level in ovary than in other tissues. In early developmental stages of the shrimp, FcTra-2c was detected to suddenly increase its expression level at the mysis stage. In juvenile stage, FcTra-2c displayed a significantly higher expression level in female Chinese shrimp than in males. These data indicated that FcTra-2 might be involved in female sex determination in Chinese shrimp. Copyright (C) 2012 S. Karger AG, Basel
关键词Fenneropenaeus Chinensis Larval Stage Sex Determination Transformer-2 Gene
学科领域Developmental Biology
DOI10.1159/000341377
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收录类别SCI
语种英语
WOS记录号WOS:000307608100006
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被引频次:38[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/12345
专题实验海洋生物学重点实验室
通讯作者Li, F (reprint author), Chinese Acad Sci, Key Lab Expt Marine Biol, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China.
作者单位1.Chinese Acad Sci, Key Lab Expt Marine Biol, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
第一作者单位中国科学院海洋研究所
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Li, S.,Li, F.,Wen, R.,et al. Identification and Characterization of the Sex-Determiner Transformer-2 Homologue in Chinese Shrimp, Fenneropenaeus chinensis[J]. SEXUAL DEVELOPMENT,2012,6(5):267-278.
APA Li, S.,Li, F.,Wen, R.,Xiang, J.,&Li, F .(2012).Identification and Characterization of the Sex-Determiner Transformer-2 Homologue in Chinese Shrimp, Fenneropenaeus chinensis.SEXUAL DEVELOPMENT,6(5),267-278.
MLA Li, S.,et al."Identification and Characterization of the Sex-Determiner Transformer-2 Homologue in Chinese Shrimp, Fenneropenaeus chinensis".SEXUAL DEVELOPMENT 6.5(2012):267-278.
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