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Transcriptome Profiling Analysis of the Testis After Eyestalk Ablation for Selection of the Candidate Genes Involved in the Male Sexual Development in Macrobrachium nipponense

文献类型： 外文期刊

作者： Jin, Shubo 1 ; Fu, Yin 2 ; Hu, Yuning 3 ; Fu, Hongtuo 1 ; Jiang, Sufei 1 ; Xiong, Yiwei 1 ; Qiao, Hui 1 ; Zhang, Wenyi 1 ; G 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Minist Agr, Key Lab Freshwater Fisheries & Germplasm Resource, Wuxi, Jiangsu, Peoples R China

2.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Key Lab Marine & Estuarine Fisheries, Minist Agr, Shanghai, Peoples R China

3.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi, Jiangsu, Peoples R China

关键词： Macrobrachium nipponense; eyestalk ablation; testis; male sexual development; NFkB alpha

期刊名称：FRONTIERS IN GENETICS （ 影响因子：4.599； 五年影响因子：4.888 ）

ISSN：

年卷期： 2021 年 12 卷

页码：

收录情况： SCI

摘要： The eyestalk of crustacean species secretes many hormones, affecting the process of reproduction, molting, metabolism of glucose, and other functions in crustaceans. In this study, important metabolic pathways and candidate genes involved in the male sexual development were identified through performing the transcriptome profiling analysis of the testis after the ablation of eyestalk from Macrobrachium nipponense. The histological observations revealed that the testis development became vigorous after eyestalk ablation, indicating that the hormones secreted by the eyestalk have negative effects on the testis development in M. nipponense. Transcriptome profiling analysis revealed that 1,039, 1,226, and 3,682 differentially expressed genes (DEGs) were identified between normal prawns (CG) vs single-side eyestalk ablation prawns (SS), SS vs double-side eyestalk ablation prawns (DS), and CG vs DS, respectively, indicating that the ablation of double-side eyestalk has more significant regulatory roles on male sexual development than that of single-side ablation, which was consistent with the histological observations. Lysosome, Apoptosis, Glycolysis/Gluconeogenesis, and Insulin signaling pathway were the main enriched metabolic pathways in all of these three comparisons, and the important genes from these metabolic pathways were also selected. The qPCR verifications of 10 DEGs from these metabolic pathways were the same as those of RNA-seq. The qPCR, in situ hybridization, and RNA interference analysis of Mn-NFkB alpha revealed that NFkB alpha has a positive regulatory effect on testis development. This study provided new insights on male sexual development in M. nipponense, promoting the studies on male sexual development in other crustaceans as well.

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