Comparative proteomic profiling in Chinese shrimp Fenneropenaeus chinensis under low pH stress
文献类型： 外文期刊
作者： He, Yuying 1 ; Wang, Qiong 1 ; Li, Jian 1 ; Li, Zhaoxia 3 ;
作者机构： 1.Chinese Acad Fishery Sci, Minist Agr, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Qingdao 266071, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol, Funct Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266200, Peoples R China
3.Qingdao Agr Univ, Sch Marine Sci & Engn, Qingdao 266237, Peoples R China
关键词： Fenneropenaeus chinensis; Low pH stress; Proteomic response; Defense
期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：4.622； 五年影响因子：4.799 ）
ISSN： 1050-4648
年卷期： 2022 年 120 卷
页码：
收录情况： SCI
摘要： Lower pH gives rise to a harmful stress to crustacean. Here, we analyzed the proteomic response of Fenneropenaeus chinensis from control pH (pH value 8.2) and low pH (pH value 6.5) - treated groups by employing absolute quantitation-based quantitative proteomic (iTRAQ) analysis. Among the identified proteins, a total of 76 proteins differed in their abundance levels, including 45 upregulated and 31 downregulated proteins. The upregulation of proteins like citrate synthase, cytochrome c oxidase, V-type proton ATPase, glyceraldehyde-3-phosphate dehydrogenase and fructose 1,6-bisphosphate-aldolase as well as the enrichment of the DEPs in multiple metabolic processes and pathways illustrated that increased energy and substrates metabolism was essential for F. chinensis to counteract low pH stress. Ion transporting related proteins, such as Na+/K+/2Cl(-) cotransporter and calmodulin, participated in the homeostatic maintenance of pH in F. chinensis. There were significant downregulation expressions of lectin, lipopolysaccharide- and beta-1,3-glucan binding protein, chitinase, cathepsin L and beta-glucuronidase, which indicating the immune dysfunction of F. chinensis when exposure to low pH condition. These findings can extend our understanding on the defensive mechanisms of the low pH stress and accelerate the breeding process of low pH tolerance in F. chinensis.
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