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Identification and characterization of p38(MAPK) in response to acute cold stress in the gill of Pacific white shrimp (Litopenaeus vannamei)

文献类型： 外文期刊

作者： Luo, Zhizhan 1 ; Huang, Wen 1 ; Wang, Guoxia 2 ; Sun, Huiming 1 ; Chen, Xiaoying 2 ; Luo, Peng 1 ; Liu, Jinshang 1 ; Hu, 1 ;

作者机构： 1.Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol LMB, Guangdong Prov Key Lab Appl Marine Biol LAMB, Guangzhou 510301, Peoples R China

2.Guangdong Acad Agr Sci, Inst Anim Sci, Key Lab Anim Nutr & Feed Sci South China,Minist A, Guangdong Key Lab Anim Breeding & Nutr,Guangdong, Guangzhou 510640, Peoples R China

3.Guangzhou Univ, Sch Environm Sci & Engn, Sch Life Sci, Guangzhou 510006, Peoples R China

4.Guangdong Jinyang Biotechnol Co LTD, Guangdong Prov Engn & Technol Res Ctr, Maoming 525027, Peoples R China

关键词： Pacific white shrimp; Acute cold stress; Mitogen-activated protein kinase; p38(MAPK); Phosphorylation

期刊名称：AQUACULTURE REPORTS （ 影响因子：3.216； 五年影响因子：3.812 ）

ISSN： 2352-5134

年卷期： 2020 年 17 卷

页码：

收录情况： SCI

摘要： Acute cold snaps induce a sudden reduction in water temperature and lead to high mortality of cultured Pacific white shrimp (Litopenaeus vannamei); however, little is known about the regulatory mechanisms in this shrimp species when adapting to acute cold stress. Mitogen-activated protein kinase (MAPK) signaling pathways are highly conserved and well known for their important roles in transducing environmental stress signals into the cell nucleus. In this study, the potential roles of p38(MAPK) in the response to acute cold stress in L. vannamei were identified. The transcript levels of p38(MAPK) in the gills were found to be significantly upregulated after challenge with acute cold stress for the first 12 h, while no distinctly differential expression was detected in the other two types of MAPKs (JNK and ERK). The phosphorylation levels of p38(MAPK) under acute cold stress continued to increase and reached a peak 1 h after cold exposure. The phosphorylation signaling of p38(MAPK) in re-chilled shrimp (5 min) appeared more quickly than that in primary shrimp (15 min). The results suggest that p38(MAPK) might play an essential role in transducing acute cold stress signals from the environment to the cell nucleus in L. vannamei. Our study is the first to characterize p38(MAPK) during acute cold stress adaptation, and the results will contribute to further research.

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