Transcriptional response of golden pompano Trachinotus ovatus larvae to cold and heat stress
文献类型： 外文期刊
作者： Han, Mingyang 1 ; Yang, Rui 1 ; Chen, Xu 1 ; Fu, Zhengyi 1 ; Ma, Zhenhua 1 ; Yu, Gang 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Trop Aquaculture Res & Dev Ctr, South China Sea Fisheries Res Inst, Sanya 572018, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Peoples R China
3.Sanya Trop Fisheries Res Inst, Sanya 572018, Peoples R China
关键词： Temperature; High-throughput sequencing; Metabolism; Nutritional requirements; Bone development
期刊名称：AQUACULTURE REPORTS （ 影响因子：3.216； 五年影响因子：3.812 ）
ISSN： 2352-5134
年卷期： 2021 年 20 卷
页码：
收录情况： SCI
摘要： In order to investigate the molecular response pattern of golden pompano Trachinotus ovatus larvae under cold and heat stress, transcriptome sequencing was performed in three temperature-treated groups (24 degrees C, low temperature, LT; 28 degrees C, moderate temperature, MT; and 32 degrees C, high temperature, HT) after one week of treatment. A total of 501,367,768 clean reads were obtained, with an average GC content of about 47 %. 94,144 unigenes were recovered, with an average length of 1045 bp. Gene ontology (GO) analysis and Kyoto encyclopedia of genes and genomes (KEGG) analysis showed that a large number of differentially expressed genes were related to metabolic processes, protein synthesis and nutrient digestion and absorption. The differentially expressed genes (DEGs) were most highly enriched into the pathways including protein digestion and absorption, fat digestion and absorption, starch and sucrose metabolism, vitamin digestion and absorption, glutathione metabolism. High temperature may inhibit the secretion of type II collagen by down-regulating the expression of Shh and Sox9a genes. The results of this study provide important support for understanding mechanism of the response to high temperature in Trachinotus ovatus and guiding relevant production practices.
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