Fresh Crab Plays an Important Role as a Nutrient Reservoir for the Rapid Propagation of Vibrio vulnificus
is a well-known opportunistic pathogen causing food-borne illnesses by ingestion of contaminated seafood. A new strain of FORC_016 was isolated from a patient's blood sample in South Korea. The genome consists of two circular DNA chromosomes: chromosome I (3,234,424 bp with a G + C contents of...
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Published in | Frontiers in microbiology Vol. 12; p. 645860 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
Switzerland
Frontiers Media S.A
09.03.2021
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Subjects | |
Online Access | Get full text |
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Summary: | is a well-known opportunistic pathogen causing food-borne illnesses by ingestion of contaminated seafood. A new strain of
FORC_016 was isolated from a patient's blood sample in South Korea. The genome consists of two circular DNA chromosomes: chromosome I (3,234,424 bp with a G + C contents of 46.60% containing 2,889 ORFs, 106 tRNA genes, and 31 rRNA genes) and chromosome II (1,837,945 bp with a GC content of 47.00% containing 1,572 ORFs, 13 tRNA genes, and 3 rRNA genes). In addition, chromosome I has a super integron (SI) containing 209 ORFs, which is probably associated with various additional functions including antibiotic resistance and pathogenicity. Pan-genome analysis with other
genomes revealed that core genome regions contain most of the important virulence factors. However, accessory genome regions are located in the SI region and contain unique genes regarding cell wall biosynthesis and generation of host cell protecting capsule, suggesting possible resistance ability against environmental stresses. Comparative RNA-Seq analysis of samples between contact and no contact to the crab conditions showed that expressions of amino acid/peptide and carbohydrate transport and utilization genes were down-regulated, but expressions of cell division and growth-related genes were up-regulated, suggesting that the crab may be a nutrition reservoir for rapid propagation of
. Therefore, consumption of the contaminated fresh crab would provide a large number of
to humans, which may be more dangerous. Consequently, biocontrol of
may be critical to ensure the safety in seafood consumption. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 These authors have contributed equally to this work Reviewed by: Qiyao Wang, East China University of Science and Technology, China; Satyabrata Bag, 3B BlackBio Biotech India Ltd, India This article was submitted to Food Microbiology, a section of the journal Frontiers in Microbiology Edited by: Kwangcheol Casey Jeong, University of Florida, United States |
ISSN: | 1664-302X 1664-302X |
DOI: | 10.3389/fmicb.2021.645860 |