chromohalobacter salexigens chromohalobacter salexigens chromohalobacter salexigens is a gram negative, oxidase and catalase positive, rod shaped, motile and moderately halophilic species of marine bacteria. it was isolated from bonaire, netherlands antilles and from marine sponges of the saint martin's island area of the bay of bengal, bangladesh. colonies are medium-sized, round and yellowish in color. the type strain is dsm 3043t (= atcc baa-138t = cect 5384t = ccm4921t = cip106854t = ncimb 13768t). its genome has been sequenced. it is a gamma-proteobacterium, and as such, closely related to pseudomonas and escherichia coli . chromohalobacter salexigens scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: oceanospirillales family: halomonadaceae genus: chromohalobacter binomial name chromohalobacter salexigensarahal et al. 2001