terrabacter koreensis terrabacter koreensis terrabacter koreensis is a species of gram-positive, nonmotile, non-endospore-forming bacteria. cells are rod-shaped. it was initially isolated from soil from a flowerbed in bucheon, south korea. the species was first described in 2014, and its name refers to its south korean isolation location. terrabacter koreensis scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: intrasporangiaceae genus: terrabacter species: t. koreensis binomial name terrabacter koreensiswon et al. 2014 the optimum growth temperature for t. koreensis is 28-30 °c and can grow in the 20-30 °c range. the optimum ph is 7.0-8.0 and can grow in ph 7.0-8.5.