legionella impletisoli legionella impletisoli legionella impletisoli is a gram-negative bacterium from the genus legionella which was isolated from soils which were contaminated with industrial wastes in japan. legionella impletisoli scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: legionellales family: legionellaceae genus: legionella species: l. impletisoli binomial name legionella impletisolikuroki et al. 2007 type strain dsm 18493, jcm 13919, oa1-1