Vibrio

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Vibrio
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Vibrio
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
Species

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

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

* 1 Pathogenic strains
* 2 Other strains
* 3 References
* 4 External Links

[edit] 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. 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 and several lethal cases have occurred in Florida.

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.[5]

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

[edit] Other strains

Vibrio fischeri and V. harveyi are notable not for any pathogenic abilities, but for their ability to communicate. Both species are symbiotes of other marine organisms (typically jellyfish), and produce light via bioluminescence through the mechanism of quorum sensing.

[edit] References

1. ^ Thompson FL, Iida T, Swings J (2004). "Biodiversity of Vibrios". Microbiology and Molecular Biology Reviews 68 (3): 403-431.
2. ^ Ryan KJ; Ray CG (editors) (2004). Sherris Medical Microbiology, 4th ed., McGraw Hill. ISBN 0-8385-8529-9.
3. ^ Madigan, Michael; Martinko, John (editors) (2005). Brock Biology of Microorganisms, 11th ed., Prentice Hall. ISBN 0-13-144329-1.
4. ^ 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.
5. ^ Joseph S, Colwell R, Kaper J (1982). "Vibrio parahaemolyticus and related halophilic Vibrios". Crit Rev Microbiol 10 (1): 77-124. PMID 6756788.

[edit] External Links

* Bacteriological Analytical Manual Online

Retrieved from "http://en.wikipedia.org/wiki/Vibrio"

Categories: Proteobacteria | Gram negative bacteria
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