Journal
JOURNAL OF CLINICAL MICROBIOLOGY
Volume 59, Issue 2, Pages -Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/JCM.01763-20
Keywords
Vibrio vulnificus; biotype 3; septicemia; fish farms; PCR identification; emergent pathogen
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Funding
- Ministerio de Ciencia, Innovacion y Universidades [Spain] plus FEDER funds [AGL2017-87723-P]
- Generalitat Valenciana [Spain] [AICO/2020/076]
- FPI grant (Ministerio de Ciencia, Inovacion y Universidades [Spain]) [PRE2018-083819]
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A newly developed PCR method based on comparative genomic study has been described for rapid identification and epidemiological studies of Vibrio vulnificus lineage 3. The analysis also revealed a genetic duplication in the L3 strains, potentially linked to their unique ability to produce septicemia outbreaks.
Vibrio vulnificus is a zoonotic pathogen that is spreading worldwide due to global warming. Lineage 3 (L3; formerly biotype 3) includes the strains of the species with the unique ability to cause fish farm-linked outbreaks of septicemia. The L3 strains emerged recently and are particularly virulent and difficult to identify. Here, we describe a newly developed PCR method based on a comparative genomic study useful for both rapid identification and epidemiological studies of this interesting emerging group. The comparative genomic analysis also revealed the presence of a genetic duplication in the L3 strains that could be related to the unique ability of this lineage to produce septicemia outbreaks.
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