Genome-Wide Identification of Fitness Factors in Seawater for Edwardsiella piscicida | Zendy

Lifan Wei | Zendy; Yanyan Wu | Zendy; Guanhua Yang | Zendy; Rongjing Xu | Zendy; Xiaohong Liu | Zendy; Qin Liu | Zendy; Yuanxing Zhang | Zendy; Yue Ma | Zendy; Qiyao Wang | Zendy

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Genome-Wide Identification of Fitness Factors in Seawater for Edwardsiella piscicida

Author(s) -

Lifan Wei,

Yanyan Wu,

Guanhua Yang,

Rongjing Xu,

Xiaohong Liu,

Qin Liu,

Yuanxing Zhang,

Yue Ma,

Qiyao Wang

Publication year - 2019

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.00233-19

Subject(s) - biology , pathogen , seawater , outbreak , aquaculture , genome , virulence , adaptation (eye) , transposable element , microbiology and biotechnology , ecology , gene , fish <actinopterygii> , genetics , fishery , virology , neuroscience

Edwardsiella piscicida is one of the most important marine pathogens and causes serious edwardsiellosis in farmed fish during the summer-autumn seasonal changes, resulting in enormous losses to aquaculture industries worldwide. Survival and transmission of the pathogen in seawater are critical steps that increase the risk of outbreaks. To investigate the mechanism of survival in seawater for this marine pathogen, we used transposon insertion sequencing analysis to explore the fitness determinants in summer and autumn seawater. Approximately 127 genes linked to metabolism and virulence, as well as other processes, were revealed inE. piscicida to contribute to better adaptations to the seasonal alternations of seawater environments; these genes provide important insights into the infection outbreak mechanisms ofE. piscicida and potential improved treatments or vaccines against marine pathogens.

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