文献类型： 外文期刊
第一作者： Cao, Yupo
作者： Cao, Yupo;Zheng, Baodong;Cao, Yupo;Lu, Xuli;Dai, Yaping;Li, Yahui;Liu, Fei;Zhou, Wei;Li, Jihua;Lu, Xuli;Dai, Yaping;Li, Yahui;Liu, Fei;Zhou, Wei;Li, Jihua
作者机构：
关键词： Sipunculus nudus; Body wall; Coelomic fluid; Proteomic analysis; Biological functions
期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：3.298； 五年影响因子：3.55 ）
ISSN： 1050-4648
年卷期： 2021 年 111 卷
页码：
收录情况： SCI
摘要： In order to make clear the protein compositions of Sipunculus nudus and investigate its immune-related proteins, proteomic analysis was performed on body wall and coelomic fluid of Sipunculus nudus. A total of 1659 proteins were identified, and 539 proteins were differentially expressed in the coelomic fluid compared to those in the body wall, of which 415 proteins were up-regulated while 124 proteins were down-regulated. Gene Ontology (GO) analysis showed that the GO terms involved in the two parts of Sipunculus nudus were similar, with metabolic processes, catalytic activity and cell occupying the top categories of biological process, molecular function and cellular component, respectively. KEGG pathway analysis showed that 49 pathways in body wall and 48 in coelomic fluid were mapped respectively, and these pathways were mainly related to cellular pro-cesses, environmental information processing, genetic information processing and metabolism. The COG analysis showed that 757 proteins from body wall and 889 from coelomic fluid were classified into 26 COG categories, respectively. Pfam annotation revealed the mainly immune-related proteins contained in Sipunculus nudus, such as insulin-like growth factor binding protein, catalase, basement membrane proteoglycan, titin. Our research provides the first proteomic information of Sipunculus nudus, which contributes to the study of functional proteins in Sipunculus nudus and is of great significance for the application of Sipunculus nudus in functional foods and medicines.
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