Alcaligenes faecalis is a species of Gram-negative, rod-shaped bacteria commonly found in the environment. It was originally named for its first discovery in feces, but was later found to be common in soil, water, and environments in association with humans. While opportunistic infections do occur, the bacterium is generally considered nonpathogenic. When an opportunistic infection does occur, it is usually observed in the form of a urinary tract infection.
A. faecalis has been used for the production of nonstandard amino acids.
History
A. faecalis may have been isolated by Johannes Petruschky in 1896,[2] and also described (and they state, the description corrected) in 1919 by Castellani and Chalmers.[3] There was some controversy about the morphology and smell of the organism.[4] In 2001, previously unidentified isolates of Alcaligenes were classified as a new subspecies of A. faecalis: A. faecalis parafaecalis.[5] In 2005, a second subspecies of A. faecalis was described: A. faecalis phenolicus.[3] A. faecalis phenolicus is distinguished by its ability to use phenol as a carbon source.[3]
| Alcaligenes faecalis | |
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| Alcaligenes faecalis, flagella stain | |
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| Species: | A. faecalis
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| Binomial name | |
| Alcaligenes faecalis Castellani & Chalmers 1919 | |
https://en.wikipedia.org/wiki/Alcaligenes_faecalis
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