A Rhodopsin-Like Gene May Be Associated With the Light-Sensitivity of Adult Pacific Oyster Crassostrea gigas
文献类型： 外文期刊
作者： Wu, Changlu 1 ; Jiang, Qiuyun 1 ; Wei, Lei 1 ; Cai, Zhongqiang 2 ; Chen, Jun 1 ; Yu, Wenchao 1 ; He, Cheng 1 ; Wang, Jiao 1 ;
作者机构： 1.Ludong Univ, Sch Agr, Yantai, Peoples R China
2.Chinese Acad Fishery Sci, Changdao Enhancement & Expt Stn, Changdao, Peoples R China
3.Marine Biol Inst Shandong Prov, Ctr Mollusc Study & Dev, Qingdao, Peoples R China
关键词： adult oyster; light-sensitivity; RNAi; mantle; rhodopsin-like superfamily member gene
期刊名称：FRONTIERS IN PHYSIOLOGY （ 影响因子：4.566； 五年影响因子：4.804 ）
ISSN： 1664-042X
年卷期： 2018 年 9 卷
页码：
收录情况： SCI
摘要： Light-sensitivity is important for mollusc survival, as it plays a vital role in reproduction and predator avoidance. Light-sensitivity has been demonstrated in the adult Pacific oyster Crassostrea gigas, but the genes associated with light-sensitivity remain unclear. In the present study, we designed experiments to identify the genes associated with light-sensitivity in adult oysters. First, we assessed the Pacific oyster genome and identified 368 genes annotated with the terms associated with light-sensitivity. Second, the function of the four rhodopsin-like superfamily member genes was tested by using RNAi. The results showed that the highest level of mRNA expression of the vision-related genes was in the mantle; however, this finding is not true for all oyster genes. Interestingly, we also found four rhodopsin-like superfamily member genes expressed at an very high level in the mantle tissue. In the RNAi experiment, when one of rhodopsin-like superfamily member genes (CGI_1001253) was inhibited, the light-sensitivity capacity of the injected oysters was significantly reduced, suggesting that CGI_10012534 may be associated with light-sensitivity in the adult Pacific oyster.
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