Providencia (bacterium)
genus of bacteria
Providencia is genus of Gram-negative, motile bacteria of the family Morganellaceae. It was named after Providence, Rhode Island, where C. A. Stuart and colleagues studied these bacteria at Brown University.
Providencia pathogens of humans
Some species are opportunistic pathogens in humans. Providencia stuartii can cause urinary tract infections, particularly in patients with long-term indwelling urinary catheters or extensive severe burns. Alternatively, Providencia rettgeri is a common cause of traveller's diarrhoea.
Providencia pathogens in insects
Many strains have been isolated from the haemolymph of Drosophila melanogaster fruit flies. These strains display different levels of virulence. For example Providencia sneebia is highly virulent, and infection always results in fly mortality. Alternatively, P. rettgeri displays an intermediate virulence wherein some individuals survive infection, while others perish. The susceptibility to P. rettgeri is strongly tied to an allele of the antimicrobial peptide gene Diptericin.
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This entry incorporates text from “Providencia (bacterium)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.