Vibrio vulnificus is an opportunistic pathogen that naturally inhabits sea water globally and is responsible for most vibriosis-related deaths. The consumption of V. vulnificus contaminated seafood and exposure of wounds to Vibrio can result in systemic infection, with increased risks of amputation and extremely high rates of mortality. However, the pathogenicity and virulence factors of V. vulnificus are not fully understood. The genomic characterization of V. vulnificus will be helpful to extend our understanding on V. vulnificus at a genomic level. In this manuscript, the genome of V. vulnificus strain MCCC 1A08743 isolated from contaminated prawns from Zhanjiang, China, was sequenced using Illumina HiSeq X Ten system and annotated through multiple databases. The strain MCCC 1A08743 genome included 4371 protein-coding genes and 117 RNA genes. Average nucleotide identity analysis and core genome phylogenetic analysis revealed that MCCC 1A08743 was most closely related to strains from clinical samples from the United States. Pathogenicity annotation of the MCCC 1A08743 genome, using Virulence Factor Database and Pathogen-Host Interactions database, predicted the pathogenicity of the strain, and this was confirmed using mice infection experiments, which indicated that V. vulnificus strain MCCC 1A08743 could infect C57BL/6J mice and cause liver lesions. This article has an associated First Person interview with the first author of the paper.
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