altererythrobacter rubellus altererythrobacter rubellus altererythrobacter rubellus is a gram-negative, strictly aerobic, rod-shaped and non-motile bacterium from the genus of altererythrobacter which has been isolated from seawater from korea. altererythrobacter rubellus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: erythrobacteraceae genus: altererythrobacter species: a. rubellus binomial name altererythrobacter rubellusyoon and ryu 2020 type strain kmu-45