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iTRAQ-based quantitative proteomic analysis of the hepatopancreas in Scylla paramamosain during the molting cycle

文献类型： 外文期刊

作者： Liu, Lei 1 ; Fu, Yuanyuan 2 ; Xiao, Lichan 3 ; Liu, Xiao 1 ; Fang, Wei 1 ; Wang, Chunlin 1 ;

作者机构： 1.Ningbo Univ, Sch Marine Sci, Ningbo 315832, Zhejiang, Peoples R China

2.Ningbo Inst Oceanog, Ningbo 315832, Zhejiang, Peoples R China

3.Chinese Acad Fishery Sci, Beijing 100141, Peoples R China

关键词： Scylla paramamosain; Hepatopancreas; Molting; Proteomic; iTRAQ

期刊名称：COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS （ 影响因子：2.674； 五年影响因子：2.941 ）

ISSN： 1744-117X

年卷期： 2021 年 40 卷

页码：

收录情况： SCI

摘要： The hepatopancreas is the key organ involved in energy storage, immune response, and metabolism during crustacean molting, yet the underlying molecular mechanisms in the hepatopancreas that regulate molting remain unknown. In the present study, we conducted a comprehensive proteomic analysis in the hepatopancreas and quantified 1527 proteins, of which 193 changed significantly in abundance among three molting stages (pre molt: PrM, post-molt: PoM, and inter-molt: InM) of Scylla paramamosain using iTRAQ-coupled LC-MS/MS. Ten exoskeleton and cuticle reconstruction proteins, such as chitinase, cuticle protein and myosin heavy chain, were found change significantly in abundance between PoM and PrM. Six energy metabolism proteins such as mitochondrial cytochrome c oxidase, cytochrome b-c1 and cAMP-dependent protein kinase with positive loadings showed a higher abundance in InM than PoM. In addition, all differentially abundance proteins (DAPs) were annotated for GO function and KEGG pathway analysis. GO analysis demonstrated function subcategories mainly including thiamine metabolism, complement and coagulation cascades, endocrine, shigellosis, salmonella infection, and other factor-regulated calcium reabsorption. The KEGG pathway enrichment analysis indicated that the DAPs were mainly involved in reconstruction of the exoskeleton and cuticle, energy reserves, metabolism, and immune response during the molting process. The results for the proteins and key pathways involved in the molting process provide fundamental molecular evidence that will improve our understanding of morphological and metabolism variation in the molting cycle and will serve as a potential blueprint for future study on molecular mechanism of molting in crustaceans.

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