erythrobacter litoralis erythrobacter litoralis erythrobacter litoralis is a species of bacterium. e. litoralis strain htcc2594 was first sequenced in 2009. erythrobacter litoralis strain dsm 8509 was developed as a comparative genetic model system to investigate the role of visible light in regulation of the general stress response in alphaproteobacteria. the complete genome sequence of e. litoralis dsm 8509 has been published. erythrobacter longus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: erythrobacteraceae genus: erythrobacter species: e. litoralis binomial name erythrobacter litoralisyurkov et al. 1994 it is an obligately aerobic, bacteriochlorophyll a-containing bacterium.