Edwardsiella (bacterium)

Edwardsiella is a Gram-negative, fermentative genus of bacteria of the family Hafniaceae.[2] It was first discovered in snakes in 1962.

Edwardsiella
Scientific classification
Domain: Bacteria
Phylum: Proteobacteria
Class: Gammaproteobacteria
Order: Enterobacterales
Family: Hafniaceae
Genus: Edwardsiella
R.Sakazaki et al., 1962
Species[1]

Description

A genus of Gram-negative, facultatively anaerobic, rod-shaped bacteria of the family Hafniaceae, they are occasionally opportunistic pathogens of humans.

Species

Notable species include:

  • E. hoshinae, a motile species that, isolated from animals and humans, does not produce indole.
  • E. ictaluri, a nonmotile species that does not produce indole, and occurs as a pathogen of catfish.
  • E. tarda, also known as Edwardsiella anguillimortifera, a species which produces indole, is biochemically similar to Escherichia coli. It is usually found in aquatic animals and reptiles, and is found in the intestinal tract of snakes and seals. It is occasionally isolated from the urine, blood, and faeces of humans, and has been known to cause gastroenteritis and wound infections. In India, it has been found in children with diarrhoea.

References
  1. "Edwardsiella" (HTML). NCBI taxonomy. Bethesda, MD: National Center for Biotechnology Information. Retrieved 1 March 2019.
  2. Janda, J. Michael; Sharon L. Abbott (2006). The Enterobacteria (2nd ed.). Washington, D.C.: ASM Press. p. 411. ISBN 9781555813420.


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