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Flagellar stain of V. cholerae
Flagellar stain of V. cholerae
Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Gamma Proteobacteria
Order: Vibrionales
Family: Vibrionaceae
Genus: Vibrio
Pacini 1854
Type species
Vibrio cholerae

V. aerogenes
V. aestuarianus
V. agarivorans
V. albensis
V. alginolyticus
V. brasiliensis
V. calviensis
V. campbellii
V. chagasii
V. cholerae
V. cincinnatiensis
V. coralliilyticus
V. crassostreae
V. cyclitrophicus
V. diabolicus
V. diazotrophicus
V. ezurae
V. fischeri
V. fluvialis
V. fortis
V. furnissii
V. gallicus
V. gazogenes
V. gigantis
V. halioticoli
V. harveyi
V. hepatarius
V. hispanicus
V. ichthyoenteri
V. kanaloae
V. lentus
V. litoralis
V. logei
V. mediterranei
V. metschnikovii
V. mimicus
V. mytili
V. natriegens
V. navarrensis
V. neonatus
V. neptunius
V. nereis
V. nigripulchritudo
V. ordalii
V. orientalis
V. pacinii
V. parahaemolyticus
V. pectenicida
V. penaeicida
V. pomeroyi
V. ponticus
V. proteolyticus
V. rotiferianus
V. ruber
V. rumoiensis
V. salmonicida
V. scophthalmi
V. splendidus
V. superstes
V. tapetis
V. tasmaniensis
V. tubiashii
V. vulnificus
V. wodanis
V. xuii

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Vibrio is a genus of Gram-negative bacteria possessing a curved rod shape.[1] [2][3] Typically found in saltwater, Vibrio are facultative anaerobes that test positive for oxidase and do not form spores.[4] All members of the genus are motile and have polar flagella with sheath. Recent phylogenies have been constructed based on a suite of genes (multi-locus sequence analysis).[5]

Pathogenic strains

Several species of Vibrio include clinically important human pathogens. Most disease causing strains are associated with gastroenteritis but can also infect open wounds and cause septicemia. It can be carried by numerous sea living animals, such as crabs or prawns, and has been known to cause fatal infections in humans during exposure. Pathogenic Vibrio include V. cholerae (the causative agent of cholera), V. parahaemolyticus, and V. vulnificus. Vibrio cholerae is generally transmitted via contaminated water.[3] Pathogenic Vibrio are can cause food poisoning, usually associated with eating undercooked seafood.

Vibrio vulnificus outbreaks commonly occur in warm climates and small, generally lethal, outbreaks occur regularly. An outbreak occurred in New Orleans after Hurricane Katrina [6]and several lethal cases occur most years in Florida.[7]

V. parahaemolyticus is also associated with the Kanagawa phenomenon, in which strains isolated from human hosts (clinical isolates) are hemolytic on blood agar plates, while those isolated from non-human sources are non-hemolytic.[8]

Many Vibrio are also zoonotic. They cause disease in fish and shellfish, and are common causes of mortality among domestic marine life.

Other strains

Vibrio fischeri, Photobacterium phosphoreum, and V. harveyi are notable for their ability to communicate. Both V. fischeri and Ph. phosphoreum are symbiotes of other marine organisms (typically jellyfish, fish, or squid), and produce light via bioluminescence through the mechanism of quorum sensing. Vibrio harveyi is a pathogen of several aquatic animals and notable as a cause of luminous vibriosis in shrimps (prawns)[9]


The "typical", early-discovered vibrio such as V. cholerae have a single polar flagellum (monotrichous) with sheath. Some species such as V. parahaemolyticus and V. alginolyticus have both a single polar flagellum with sheath and thin flagella projecting in all direction (peritrichous), and the other species such as V. fischeri have tufts of polar flagella with sheath (lophotrichous).[10]

See also


  1. Thompson FL, Iida T, Swings J (2004). "Biodiversity of Vibrios". Microbiology and Molecular Biology Reviews. 68 (3): 403–431. doi:10.1128/MMBR.68.3.403-431.2004.
  2. Ryan KJ; Ray CG (editors) (2004). Sherris Medical Microbiology (4th ed. ed.). McGraw Hill. ISBN 0-8385-8529-9.
  3. 3.0 3.1 Faruque SM; Nair GB (editors). (2008). Vibrio cholerae: Genomics and Molecular Biology. Caister Academic Press. ISBN 978-1-904455-33-2 .
  4. Madigan, Michael; Martinko, John (editors) (2005). Brock Biology of Microorganisms (11th ed. ed.). Prentice Hall. ISBN 0-13-144329-1.
  5. Thompson FL, Gevers D, Thompson CC, Dawyndt P,Naser S, Hoste B, Munn CB, Swings J (2005). "Phylogeny and Molecular Identification of Vibrios on the Basis of Multilocus Sequence Analysis". Applied and Environmental Microbiology. 71 (9): 5107–5115. doi:10.1128/AEM.71.9.5107-5115.2005.
  6. Jablecki J, Norton SA, Keller GR, DeGraw C, Ratard R, Straif-Bourgeois S, Holcombe JM, Quilter S, Byers P, McNeill M, Schlossberg D, Dohony DP, Neville J, Carlo J, Buhner D, Smith BR, Wallace C, Jernigan D, Sobel J, Reynolds M, Moore M, Kuehnert M, Mott J, Jamieson D, Burns-Grant G, Misselbeck T, Cruise PE, LoBue P, Holtz T, Haddad M, Clark TA, Cohen A, Sunenshine R, Jhung M, Vranken P, Lewis FMT, Carpenter LR (2005). "Infectious Disease and Dermatologic Conditions in Evacuees and Rescue Workers After Hurricane Katrina - Multiple States, August-September, 2005". Mortality and Morbidity Weekly Report. 54: 1–4.
  7. Bureau of Community Environmental Health, Division of Environmental Health, Florida Department of Health (2005). "Annual Report, Florida". Food and Waterborne Illness Surveillance and Investigation: 21.
  8. Joseph S, Colwell R, Kaper J (1982). "Vibrio parahaemolyticus and related halophilic Vibrios". Crit Rev Microbiol. 10 (1): 77–124. doi:10.3109/10408418209113506. PMID 6756788.
  9. Austin B & Zhang X-H (2006). "Vibrio harveyi: a significant pathogen of marine vertebrates and invertebrates". Letters in Applied Microbiology. 43 (2): 119–214. doi:10.1111/j.1472-765X.2006.01989.x.
  10. George M. Garrity (editor) (2005). Bergey's manual of Systematic Bacteriology. Vol. 2 Part B (2nd ed. ed.). Springer. pp. 496–8. ISBN 0-387-24144-2.

External links

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