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Default Proteomics and (1)H NMR-based metabolomics analysis of pathogenic Vibrio vulnificus aquacultures isolated from sewage drains.

Proteomics and (1)H NMR-based metabolomics analysis of pathogenic Vibrio vulnificus aquacultures isolated from sewage drains.

Related Articles Proteomics and (1)H NMR-based metabolomics analysis of pathogenic Vibrio vulnificus aquacultures isolated from sewage drains.

Environ Sci Pollut Res Int. 2017 Sep 01;:

Authors: Zhang C, Wang Z, Zhang D, Zhou J, Lu C, Su X, Ding D

Abstract
Vibrio bacteria live in both marine and freshwater habitats and are associated with aquatic animals. Vibrio vulnificus is a pathogenic bacterium that infects people and livestock. It is usually found in offshore waters or within fish and shellfish. This study presents a comparative proteomic analysis of the outer membrane protein (OMP) changes in V. vulnificus proteins after stimulation with sewage from sewage drains. Using two-dimensional electrophoresis followed by MALDI-TOF MS/MS, 32 protein spots with significant differences in abundance were identified and characterized. These identified proteins were found to be involved in various functional categories, including catalysis, transport, membrane proteins progresses, receptor activity, energy metabolism, cytokine activity, and protein metabolism. The mRNA expression levels of 12 differential proteins were further assessed by qRT-PCR. Seven genes including carboxypeptidase, hemoglobin receptor, succinate dehydrogenase iron-sulfur subunit, ATP synthase subunit alpha, thioredoxin, succinyl-CoA synthetase subunit, and alanine dehydrogenase were downregulated upon stimulation, whereas the protein expression levels HupA receptor, type I secretion outer membrane protein, glutamine synthetase, superoxide dismutase, OmpU, and VuuA were upregulated. (1)H NMR spectra showed 18 dysregulated metabolites from V. vulnificus after the sewage stimulation and the pathogenicity was enhanced after that.


PMID: 28864971 [PubMed - as supplied by publisher]



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