Genomic analysis reveals binary toxin genes and secretion systems in Vibrio campbellii isolates, highlighting mechanisms underlying shrimp mortality outbreaks.
Vibrio campbellii strains PH1401 and PH1409 were isolated from shrimp ponds with documented mortality outbreaks in the Philippines. PH1401 and PH1409 share identity with V. campbellii strain BoB-53. Whole-genome analysis reveals full-length pirAB binary toxin genes in PH1401 . Both strains carry three type VI secretion systems.
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Contante et al. (2026) studied this question.
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