''Lapillicoccus jejuensis'' 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 ...

, nonmotile, non-sporeforming bacteria. The bacteria are aerobic and

mesophilic A mesophile is an organism that grows best in moderate temperature, neither too hot nor too cold, with an optimum growth range from . The optimum growth temperature for these organisms is 37 °C (about 99 °F). The term is mainly applied ...

, and the cells are

coccoid Coccoid means shaped like or resembling a coccus, that is, spherical.The noun coccoid or coccoids may refer to: * a level of organization, characterized by unicellular, non-flagellated, non-amoeboid organisms, with a definite shape, in general bu ...

. The species was first described in 2007, and it was originally isolated a stone in

Jeju Jeju may refer to: South Korea * Jeju Island (Jejudo), South Korea * Jeju Province (formerly transliterated Cheju), a province of South Korea comprising Jejudo ** Jeju City, its capital ** Jeju dog, a dog native to Jejudo ** Jeju language ** The ...

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 name refers to the area (Jeju) from which it was first isolated. ''L. jejuensis'' is the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

of genus ''Lapillicoccus'', and is currently the only species in the genus. The optimum growth temperature for ''Lapillicoccus jejuensis'' is 30 °C and can grow in the 20-37 °C range. The optimum pH is 7.1, and can grow in the 4.1-11.1 range. Cells form bright yellow-pigmented colonies on agar.

References

{{Taxonbar, from1=Q25861281, from2=Q26219693 Intrasporangiaceae Bacteria described in 2007 Monotypic bacteria genera