pseudoxanthomonas koreensis pseudoxanthomonas koreensis pseudoxanthomonas koreensis is a species of gram-negative, non-spore-forming, rod-shaped bacteria, first isolated from ginseng fields. t7-09(t) (=kctc 12208(t) =iam 15116(t)) is the type strain. pseudoxanthomonas koreensis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: xanthomonadales family: xanthomonadaceae genus: pseudoxanthomonas species: p. aestuariiyang et al. 2005 binomial name pseudoxanthomonas koreensis