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Immune-related molecular and physiological differences between black-shelled and white-shelled Pacific oysters Crassostrea gigas

文献类型： 外文期刊

作者： Wei, Lei 1 ; Jiang, Qiuyun 1 ; Cai, Zhongqiang 2 ; Yu, Wenchao 1 ; He, Cheng 1 ; Guo, Wen 3 ; Wang, Xiaotong 1 ;

作者机构： 1.Ludong Univ, Sch Agr, Yantai 264025, Peoples R China

2.Chinese Acad Fishery Sci, Changdao Enhancement & Expt Stn, Changdao 265800, Peoples R China

3.Marine Biol Inst Shandong Prov, Qingdao 266104, Shandong, Peoples R China

4.Shanghai Ocean Univ, Natl Demonstrat Ctr Expt Fisheries Sci Educ, Shanghai 201306, Peoples R China

关键词： Pacific oysters; Different melanin content; Immune recognition and modulation; Apoptosis and phagocytosis; Oxidative stress

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 92 卷

页码：

收录情况： SCI

摘要： The black-and-white traits on shells and mantle edges of the Pacific oyster, Crassostrea gigas, are inheritable and correlated, and black shells (melanin pigmentation) are usually found in the Pacific oysters. Based on differentially expressed genes from RNA-Seq and physiological characteristics, in this study, Black-shelled Pacific oysters (BSO) and White-shelled Pacific oysters (WSO) were selected to determine the molecular differences between oysters with obviously different melanin content. The differences in the process of immune recognition and modulation indicated that BSO may be more sensitive to the immune substances. There might have different modulation mode of apoptosis and phagocytosis between BSO and WSO, and caspase-3 might have played a key role in the apoptotic process of BSO. Different oxidation-related pathways were enriched in both BSO and WSO, suggesting the different response strategies of BSO and WSO to oxidative stress. The physiological evidences showed that, compared with WSO, in BSO, the tyrosinase content, the caspase-3 activity and the suppression of hydroxyl radical increased, and the reactive oxygen species concentration decreased. Therefore, immune-related molecular and physiological differences were found between BSO and WSO.

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