alkalilimnicola ehrlichii alkalilimnicola ehrlichii alkalilimnicola ehrlichii is a species of arsenite-oxidizing haloalkaliphilic gammaproteobacterium capable of chemoautotrophic or heterotrophic growth. it is gram-negative, motile and short-rod-shaped. the type strain is mlhe-1t (=dsm 17681t =atcc baa-1101t). alkalilimnicola ehrlichii scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: chromatiales family: ectothiorhodospiraceae genus: alkalilimnicola species: a. ehrlichii binomial name alkalilimnicola ehrlichiihoeft et al. 2007