Integrated Analysis of the Intestinal Microbiota and Transcriptome of Fenneropenaeus chinensis Response to Low-Salinity Stress
文献类型： 外文期刊
作者： Tian, Caijuan 1 ; Wang, Qiong 2 ; Wang, Jiajia 2 ; Li, Jitao 2 ; Guan, Chenhui 2 ; He, Yuying 2 ; Gao, Huan 1 ;
作者机构： 1.Jiangsu Ocean Univ, Jiangsu Key Lab Marine Bioresources & Environm, Jiangsu Key Lab Marine Biotechnol, Lianyungang 222005, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Natl Key Lab Mariculture Biobreeding & Sustainable, Qingdao 266071, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol, Funct Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266200, Peoples R China
4.Qingdao Agr Univ, Sch Marine Sci & Engn, Qingdao 266237, Peoples R China
关键词： Fenneropenaeus chinensis; intestinal microbiota; transcriptome; immune response; low salinity
期刊名称：BIOLOGY-BASEL （ 影响因子：4.2； 五年影响因子：4.4 ）
ISSN：
年卷期： 2023 年 12 卷 12 期
页码：
收录情况： SCI
摘要： Salinity is an important environmental stress factor in mariculture. Shrimp intestines harbor dense and diverse microbial communities that maintain host health and anti-pathogen capabilities under salinity stress. In this study, 16s amplicon and transcriptome sequencing were used to analyze the intestine of Fenneropenaeus chinensis under low-salinity stress (15 ppt). This study aimed to investigate the response mechanisms of the intestinal microbiota and gene expression to acute low-salinity stress. The intestinal tissues of F. chinensis were analyzed using 16S microbiota and transcriptome sequencing. The microbiota analysis demonstrated that the relative abundances of Photobacterium and Vibrio decreased significantly, whereas Shewanella, Pseudomonas, Lactobacillus, Ralstonia, Colwellia, Cohaesibacter, Fusibacter, and Lachnospiraceae_NK4A136_group became the predominant communities. Transcriptome sequencing identified numerous differentially expressed genes (DEGs). The DEGs were clustered into many Gene Ontology terms and further enriched in some immunity- or metabolism-related Kyoto Encyclopedia of Genes and Genomes pathways, including various types of N-glycan biosynthesis, amino acid sugar and nucleotide sugar metabolism, and lysosome and fatty acid metabolism. Correlation analysis between microbiota and DEGs showed that changes in Pseudomonas, Ralstonia, Colwellia, and Cohaesibacter were positively correlated with immune-related genes such as peritrophin-1-like and mucin-2-like, and negatively correlated with caspase-1-like genes. Low-salinity stress caused changes in intestinal microorganisms and their gene expression, with a close correlation between them.
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