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Global analysis of transcriptome and metabolomics revealed that fatty acid synthesis and urea cycle process regulate the growth of chinese soft-shelled turtle

文献类型： 外文期刊

作者： Zhou, Tong 1 ; Chen, Guobin 1 ; Cao, Lihuan 3 ; Cao, Jizeng 1 ; Ji, Huizi 1 ; Zou, Guiwei 1 ; Liang, Hongwei 1 ;

作者机构： 1.Chinese Acad Fisheries Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Peoples R China

2.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China

3.Leshan Normal Univ, Leshan 614000, Peoples R China

4.Xiamen Univ, State Key Lab Marine Environm Sci, Xiamen, Peoples R China

5.Xiamen Univ, Coll Ocean & Earth Sci, Xiamen 361000, Peoples R China

关键词： Growth; Pelodiscus sinensis; Growth and Development; Multi-omics analysis; Intestine microbiota

期刊名称：AQUACULTURE REPORTS （ 影响因子：3.7； 五年影响因子：4.0 ）

ISSN： 2352-5134

年卷期： 2025 年 42 卷

页码：

收录情况： SCI

摘要： The Chinese soft-shelled turtle (Pelodiscus sinensis) is an economically important aquatic species, with its growth influenced by genetic factors, environmental conditions, nutritional status, and intestinal microbiota. Despite its slow growth rate, typically taking 2-3 years to reach market size, understanding the molecular mechanisms that regulate its growth is critical for optimizing breeding conditions and improving aquaculture sustainability. In this study, we carried out a multi-omics analysis in individuals of P. sinensis aged 2, 5, and 8 months to systematically disclose the biological mechanisms and explore how these mechanisms affect its growth and adaptive ability. We found significant changes in the composition of intestinal bacteria, with Fusobacteriota and Proteobacteria dominating at the phylum level and displaying increasingly intimate interactions as growth processed. Notable enrichments were observed in pathways related to arginine biosynthesis and glycine and serine metabolism in differentially expressed genes (DEGs), as well as steroid biosynthesis and steroid hormone biosynthesis pathways in differentially expressed metabolites (DEMs). Furthermore, fatty acid synthesis and the urea cycle were identified as key metabolic pathways essential for the breeding of Chinese soft-shelled turtles. This research provides insights that can be utilized to optimize feed formulations, enhance breeding efficiency, and promote the healthy growth of P. sinensis in aquaculture.

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