Cloning, expression prolife, and immune characterization of a novel stat family member (stat5bl) in Chinese tongue sole (Cynoglossus semilaevis)

文献类型： 外文期刊

第一作者： Wei, Min

作者： Wei, Min;Xu, Wen-teng;Gan, Tian;Wang, Lei;Zhang, Hong-xiang;Zhao, Fa-zhen;Chen, Song-lin;Xu, Wen-teng;Gan, Tian;Wang, Lei;Zhang, Hong-xiang;Zhao, Fa-zhen;Chen, Song-lin;Chen, Song-lin;Wei, Min

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关键词： stat5b-like; Chinese tongue sole; Expression pattern; Immunity; Vibrio harveyi

期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：4.581； 五年影响因子：4.851 ）

ISSN： 1050-4648

年卷期： 2019 年 84 卷

页码：

收录情况： SCI

摘要： STAT plays important roles in innate immunity during JAK/STAT signaling pathway, and STAT5 is particularly focused due to the existence of duplicated forms in fish and mammal. In Chinese tongue sole, stat5bl was suggested to be a candidate related to Vibrio harveyi resistance based on previous QTL screening. In this study, the full length of stat5bl cDNA was cloned and its expression patterns were analyzed. stat5bl was predominantly expressed in immune tissues, where the highest level was observed in liver, followed by skin and gill. Time course expression patterns were examined in six tissues (liver, skin, gill, kidney, intestine, spleen) after V. harveyi infection. stat5bl could be up-regulated by V. harveyi infection in all tissues except liver, despite the timepoints of peak were different. In contrast, stat5bl was significantly downregulated in liver. To elucidate the role of stat5bl in liver, in vitro RNAi were performed using primary liver cell culture. Knockdown of stat5bl could regulate the expression of genes closely related to JAK/STAT pathway. This study would enlarge our understanding of stat5bl in fish immunity.

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