ArticleMicrobiologyOpen2017
Contributions of the oligopeptide permeases in multistep of Vibrio alginolyticus pathogenesis.
Article in MicrobiologyOpen, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 59 citations in OpenAlex.
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- The effect of a temperature-sensitive prophage on the evolution of virulence in an opportunistic bacterial pathogen.Molecular ecology · 2022Article
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- Potential dsRNAs can be delivered to aquatic for defense pathogens.Frontiers in bioengineering and biotechnology · 2022Review
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- Deletion of the oligopeptide transporter Lmo2193 decreases the virulence of Listeria monocytogenes.Journal of veterinary science · 2020Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Vibrio alginolyticus has been associated with several diseases of cultivated marine animals, and has led to considerable economic losses. The oligopeptide permease (Opp) has been proven to play a variety of important roles in nutrition and virulence in several bacteria. In our previous research, the opp gene cluster was identified in Vibrio alginolyticus with transcriptome sequence, which also indicated that the Opp system might play roles in the regulation of adhesion. In this study, the relationship between V. alginolyticus virulence and the opp gene cluster was determined using gene silencing followed by RT-qPCR, in vitro adhesion assay, growth curves detection in the presence of glutathione (GSH) as a toxic substrate, hemolysis assay, biofilm assay, and artificial infection. Silencing these genes led to deficiencies in adhesion, peptide internalization, biofilm production, hemolytic activity, and virulence. The expression levels of hapr, hapa, tlh, and hlya, which are important genes closely related to the hemolytic activity of Vibrio, were significantly downregulated in all of the RNAi groups. Furthermore, the expression of oppA, oppB, oppC, oppD, and oppF was significantly influenced by temperature, starvation, and pH. These results indicate that (1) oppABCDF contributed in multistep of V. alginolyticus pathogenesis, including adhesion, biofilm production, and hemolytic activity; (2) oppABCDF was sensitive to different temperatures, changes in pH, and increased starvation time.
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