Open AccessThe regulation of oxidative phosphorylation pathway on Vibrio alginolyticus adhesion under adversities
Author(s) -
Huang Li,
Huang Lixing,
Zhao Lingmin,
Qin Yingxue,
Su Yongquan,
Yan Qingpi
Publication year - 2019
Publication title -
microbiologyopen
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.881
H-Index - 36
ISSN - 2045-8827
DOI - 10.1002/mbo3.805
Subject(s) - vibrio alginolyticus , oxidative phosphorylation , adhesion , phosphorylation , microbiology and biotechnology , biology , chemistry , biochemistry , vibrio , bacteria , genetics , organic chemistry
Vibrio alginolyticus is one of the most important pathogens in mariculture and leading to heavy losses. After treatment with Cu 2+ , Pb 2+ , and low pH, the expression of oxidative phosphorylation pathway genes, including coxA , coxB , coxC , ccoN , ccoO , and ccoQ , was found commonly downregulated by RNA‐seq as well as quantitative real‐time PCR. RNAi significantly reduced the expression of coxA , coxB , coxC , c coN , ccoO , and ccoQ in V. alginolyticus . Compared with the wild‐type strain, the adhesion abilities of RNAi strains of V. alginolyticus were significantly impaired, as well as their cytochrome C oxidase activity. ccoQ appeared to be more important in the regulation of bacterial adhesion in these target genes, while ccoO was relatively weak in the regulation of the adhesion. Meanwhile, the changes of temperature, salinity, pH, and starvation affected coxA , coxB , coxC , ccoN , ccoO , and ccoQ expression remarkably. These findings indicated that: the oxidative phosphorylation pathway is a critical regulator of adhesion in V. alginolyticus ; coxA , coxB , coxC , ccoN , ccoO , and ccoQ regulate the bacterial adhesion in response to environmental changes such as temperature, salinity, pH, and starvation.