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Transcriptional responses to starvation of pathogenic Vibrio harveyi strain DY1

Journal of Oceanology and Limnology 2020年第2期38卷 579-587页

作者： LIU Xiaodan GAO Xiaojian CHEN Nan ZHANG Yingying LI Xixi ZHANG Yue ZHANG Xiaojun College of Animal Science and Technology Yangzhou University

Vibrio harveyi is a pathogen of various aquatic organisms that has been recently associated with massive mortality episodes in the aquaculture *** outbreaks of vibriosis are closely correlated with the capacity of this bacterial species to survive long-term starvation *** study the regulation mechanism of gene expression at the transcriptional level in *** under starvation conditions,the transcriptomic response profiles were determined of the Portunus trituberculatus pathogen *** strain DY1 under normal conditions and after four weeks of starvation.A total of 4679 and 4661 genes were expressed in the non-starved and starved cells,*** significantly differentially expressed genes(DEGs)between non-starved and starved groups were identified,in which 255 genes were up-regulated and 411 genes were *** analysis and KEGG enrichment analysis were used to analyze the DEGs and revealed the involvement of these DEGs in many pathways,including ABC transporters,flagellum assembly,and fatty acid *** DEGs were randomly selected and their expression levels were confirmed by quantitative real-time PCR(qRT-PCR).This is the first comprehensive transcriptomic analysis of starvation ef fects in *** findings will facilitate future study on stress adaptation and survival mechanisms of ***.

关键词： Vibrio harveyi starvation stress transcriptome sequencing differentially expressed genes adaptation and survival mechanisms

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