''Brachybacterium'' is a genus of

Gram positive In bacteriology, gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their type of cell wall. The Gram stain i ...

, nonmotile bacteria. The cells are coccoid during the stationary phase, and irregular rods during the exponential phase. The genus name comes from Greek word ''brachy'', meaning short, and Latin ''bacterium'', meaning rods, referencing the short rods noted during the exponential phase. The type species of the genus, ''Brachybacterium faecium'', was first isolated from poultry

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in 1966 along with several other species. Speciation of the strains was performed in 1975, but three of the strains did not cluster with any known taxon. In 1988, further work was performed on the previously unclassified organisms, and the current genus was proposed. ''Brachybacteria'' have been isolated from a stool sample of a healthy three-year-old girl, garden soil, Beaufort cheese, medieval wall paintings, a mouse liver, roots, salt fermented seafood, oil-contaminated coastal sand, sediment samples, and seawater.. A strain of ''Brachybacterium'' has been indicated as the cause of bloodborne infection in an 83 year-old man.

Species

''Brachybacterium'' comprises the following species: * '' B. alimentarium'' Schubert et al. 1996 * '' B. aquaticum'' Kaur et al. 2016 * '' B. avium'' Tak et al. 2018 * '' B. conglomeratum'' (ex Migula 1900) Takeuchi et al. 1995 * '' B. endophyticum'' Tuo et al. 2018 * '' B. faecium'' Collins et al. 1988 * '' B. fresconis'' Heyrman et al. 2002 * '' B. ginsengisoli'' Hoang et al. 2014 * '' B. hainanense'' Liu et al. 2015 * '' B. halotolerans'' Chen et al. 2021 * '' B. horti'' Singh et al. 2016 * '' B. huguangmaarense'' Liu et al. 2014 * "'' B. massiliense''" Tidjani-Alou et al. 2017 * '' B. muris'' Buczolits et al. 2003 * '' B. nesterenkovii'' Gvozdyak et al. 1992 * '' B. paraconglomeratum'' Takeuchi et al. 1995 * '' B. phenoliresistens'' Chou et al. 2007 * '' B. rhamnosum'' Takeuchi et al. 1995 * '' B. sacelli'' Heyrman et al. 2002 * '' B. saurashtrense'' Gontia et al. 2011 * '' B. squillarum'' Park et al. 2011 * '' B. subflavum'' Ming et al. 2021 * "'' B. timonense''" Kuete et al. 2019 * '' B. tyrofermentans'' Schubert et al. 1996 * '' B. vulturis'' Tak et al. 2018 * '' B. zhongshanense'' Zhang et al. 2007

References

{{Taxonbar, from=Q21226493 Micrococcales Bacteria genera