Vibrio metschnikovii

Vibrio metschnikovii is a Gram-negative species of bacteria found in freshwater and marine environments. V. metschnikovii is an emergent pathogen in humans, causing gastrointestinal disease and wound infections.

V. metschnikovii was named in honor of Russian biologist, Élie Metchnikoff.

Characteristics
Vibrio metschnikovii is a halophilic Gram-negative rod. They are facultatively anaerobic and motile through a single polar flagellum. They are catalase positive. V. metschnikovii is the only pathogenic Vibrio that is oxidase negative. They grow readily on routine laboratory including TCBS agar and blood agar.

Disease
Vibrio metschnikovii is an infrequent cause of disease in humans, with 13 cases reported between 1981 and 2014. In 2019, there were 6 reported cases of V. metschnikovii infections in the US in 2019.