Locus Mapping, Molecular Cloning, and Expression Analysis of rps6kb2, a Novel Metamorphosis-Related Gene in Chinese Tongue Sole (Cynoglossus semilaevis)
文献类型: 外文期刊
第一作者: Liu, Yang
作者: Liu, Yang;Wei, Min;Zhao, Fazhen;Chen, Songlin;Liu, Yang;Wei, Min;Guo, Hua;Shao, Changwei;Meng, Liang;Xu, Wenteng;Wang, Na;Wang, Lei;Cui, Zhongkai;Yang, Yingming;Li, Yangzhen;Zhao, Fazhen;Chen, Songlin;Liu, Yang;Wei, Min;Guo, Hua;Shao, Changwei;Meng, Liang;Xu, Wenteng;Wang, Na;Wang, Lei;Cui, Zhongkai;Yang, Yingming;Li, Yangzhen;Zhao, Fazhen;Chen, Songlin;Guo, Hua;Power, Deborah M.;Cui, Zhongkai;Hou, Jilun;Mahboob, Shahid;Mahboob, Shahid
作者机构:
关键词: Cynoglossus semilaevis;Metamorphosis;Simple sequence repeat (SSR);Locus mapping;Ribosomal protein S6 kinase 2 (rps6kb2)
期刊名称:MARINE BIOTECHNOLOGY ( 影响因子:3.619; 五年影响因子:3.322 )
ISSN:
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收录情况: SCI
摘要: Flatfish metamorphosis denotes the extraordinary transformation of a symmetric pelagic larva into an asymmetric benthic juvenile. This unique process involves eye migration, a 90A degrees rotation in posture, and asymmetrical pigmentation for adaptation to a benthic lifestyle. In the present study, we used genetics to map a metamorphosis-related locus (q-10M) in the male linkage group (LG10M), a small interval of 0.9 cM corresponding to a 1.8 M-bp physical area in chromosome 9 in the Chinese tongue sole (Cynoglossus semilaevis). Combined with single-marker analysis, ribosomal protein S6 kinase 2 (rps6kb2) a member of the family of AGC kinases was identified as a novel metamorphosis-related candidate gene. Its expression pattern during metamorphosis was determined by quantitative RT-PCR and whole-mount in situ hybridization analysis. rps6kb2 gene was significantly expressed in metamorphic climax stage larvae and distributed in all the tissues transforming during metamorphosis, including tail, jaw, eye and skin of larvae. The results suggest that rps6kb2 has a general role in tissue transformations during flatfish metamorphosis including tail changes, skull remodeling, eye migration, and asymmetrical pigmentation.
分类号: Q81`Q178.53`Q7
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