Transcriptomic Analysis of Large Yellow Croaker (Larimichthys crocea) during Early Development under Hypoxia and Acidification Stress
文献类型： 外文期刊
作者： Wang, Yabing 1 ; Chen, Run 2 ; Wang, Qian 1 ; Yue, Yanfeng 1 ; Gao, Quanxin 3 ; Wang, Cuihua 1 ; Zheng, Hanfeng 1 ; Peng, Shiming 1 ;
作者机构： 1.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Key Lab Marine & Estuarine Fisheries, Minist Agr, Shanghai 200090, Peoples R China
2.Marine Fisheries Dev Ctr Xiapu, Xiapu 355100, Peoples R China
3.Huzhou Univ, Coll Life Sci, Huzhou 313000, Peoples R China
关键词： Larimichthys crocea; hypoxia stress; acidification stress; transcriptome analysis
期刊名称：VETERINARY SCIENCES （ 影响因子：2.4； ）
ISSN：
年卷期： 2022 年 9 卷 11 期
页码：
收录情况： SCI
摘要： Simple Summary The large yellow croaker is one of the most economically important fish in China. In recent years, the deterioration of the water environment and unregulated aquaculture have caused great economic losses to the large yellow croaker breeding industry. The aim of this study was to analyze the effects of hypoxia and acidification stress on large yellow croaker. This study revealed that hypoxia and acidification stress suppressed the growth of the large yellow croaker. Transcriptome analysis revealed that genes of the collagen family play an important role in the response of large yellow croaker to hypoxia and acidification stress. The study elucidates the mechanism underlying the response of large yellow croaker to hypoxia-acidification stress during early development and provides a basic understanding of the potential combined effects of reduced pH and dissolved oxygen on Sciaenidae fishes. Fishes live in aquatic environments and several aquatic environmental factors have undergone recent alterations. The molecular mechanisms underlying fish responses to hypoxia and acidification stress have become a serious concern in recent years. This study revealed that hypoxia and acidification stress suppressed the growth of body length and height of the large yellow croaker (Larimichthys crocea). Subsequent transcriptome analyses of L. crocea juveniles under hypoxia, acidification, and hypoxia-acidification stress led to the identification of 5897 differentially expressed genes (DEGs) in the five groups. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analyses revealed that several DEGs were enriched in the 'protein digestion and absorption' pathway. Enrichment analysis revealed that this pathway was closely related to hypoxia and acidification stress in the five groups, and we found that genes of the collagen family may play a key role in this pathway. The zf-C2H2 transcription factor may play an important role in the hypoxia and acidification stress response, and novel genes were additionally identified. The results provide new clues for further research on the molecular mechanisms underlying hypoxia-acidification tolerance in L. crocea and provides a basic understanding of the potential combined effects of reduced pH and dissolved oxygen on Sciaenidae fishes.
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