pseudomonas alcaliphila pseudomonas alcaliphila pseudomonas alcaliphila is a psychrophilic, alkaliphilic, gram-negative, aerobic straight rod bacterium with polar flagella isolated from sea water near hokkaidō, japan. pseudomonas alcaliphila scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: pseudomonadaceae genus: pseudomonas species: p. alcaliphila binomial name pseudomonas alcaliphilayumoto, et al. 2001 type strain iam 14884 jcm 10630