''Brachybacterium squillarum'' 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 ...

, strictly aerobic, halotolerant, 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 salt-fermented seafood (tiny

shrimp A shrimp (: shrimp (American English, US) or shrimps (British English, UK)) is a crustacean with an elongated body and a primarily Aquatic locomotion, swimming mode of locomotion – typically Decapods belonging to the Caridea or Dendrobranchi ...

) from

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...

. The species was first proposed in 2011, and the name is derived from Latin ''squillarum'' (of/from shrimp). The optimum growth temperature for ''B. squillarum'' is 30 °C, but can grow in the 25-37 °C range. The pH optimum is 7.0, and can grow in the 6.0-9.0 range. The cells are

halotolerant Halotolerance is the adaptation of living organisms to conditions of high salinity. Halotolerant species tend to live in areas such as hypersaline lakes, coastal dunes, saline deserts, salt marshes, and inland salt seas and springs. Halophiles are ...

, and can grow in NaCl salt concentrations up to 10%, and optimally grows in concentrations of 5%.

References

Micrococcales Bacteria described in 2011 {{Brachybacterium-stub