''Brachybacterium nesterenkovii'' is a species 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 ...

, facultatively anaerobic, yellow-pigmented

bacterium Bacteria (; : bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the ...

. The cells are coccoid during the stationary phase, and irregular rods during the exponential phase. It was first isolated from

milk Milk is a white liquid food produced by the mammary glands of lactating mammals. It is the primary source of nutrition for young mammals (including breastfeeding, breastfed human infants) before they are able to digestion, digest solid food. ...

products in 1984. The species was first described in 1992, and is named for O. A. Nesterenko, "a Ukrainian microbiologist who has made a valuable contribution to the systematics of coryneform and nocardioform bacteria". The optimum growth temperature for ''B. nesterenkovii'' is .

References

Micrococcales Bacteria described in 1992 {{Brachybacterium-stub