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Glycogen variations and glycometabolism during the gametogenesis cycle of Jinjiang oyster Crassostrea (Magallana) ariakensis

文献类型： 外文期刊

作者： Li, Zhuanzhuan 1 ; Zhao, Liyan 1 ; Wang, Yan 1 ; Chen, Xi 1 ; Ma, Peizhen 1 ; Liu, Zhihong 1 ; Sun, Xiujun 1 ; Zhou, Liqing 1 ; Ren, Jianfeng 4 ; Dou, Yu 5 ; Wu, Biao 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao 266071, Shandong, Peoples R China

2.Laoshan Lab, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Shandong, Peoples R China

3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Minist Agr & Rural Affairs, Qingdao 266071, Shandong, Peoples R China

4.Shanghai Ocean Univ, Key Lab Freshwater Aquat Genet Resources Certifica, Minist Agr & Rural Affairs, Shanghai 201306, Peoples R China

5.Shandong Weifang Longwei Ind Co Ltd, Weifang 261000, Shandong, Peoples R China

关键词： Gametogenesis; Glycometabolism; Crassostrea ( Magallana ) ariakensis; Flavor

期刊名称：AQUACULTURE REPORTS （ 影响因子：3.2； 五年影响因子：3.5 ）

ISSN： 2352-5134

年卷期： 2024 年 37 卷

页码：

收录情况： SCI

摘要： Glycogen, a highly branched polysaccharide of essential energy and carbon resource, is an important flavor quality trait of oysters, and its content is closely linked to the reproductive cycle of these mollusks. However, there is a significant lack of research on the regulatory mechanisms governing glycogen in oysters. Here, we investigated the variations in glycogen levels during the reproductive cycle of Jinjiang oyster Crassostrea (Magallana) ariakensis. It revealed that glycogen content was highest during the formative stage and lowest during the mature stage in gonadal tissues. Subsequently, transcriptome and metabolome analyses were conducted, revealing 3016 differentially expressed genes (DEGs) and 162 differentially accumulated metabolites (DAMs). Comprehensive analysis indicated that glycogenesis, glycogenolysis, glycolysis, and tricarboxylic acid (TCA) cycle played crucial roles in energy supply during the formative stage. Gluconeogenesis was more important during the mature stage as it facilitated glycogen storage for reproduction preparation. These findings provide valuable insights into the mechanisms underlying gonad development-related glycogen metabolism and offer a theoretical foundation for enhancing oyster flavor.

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