arthrobacter alpinus arthrobacter alpinus arthrobacter alpinus is a psychrotrophic, gram-positive and aerobic bacterium species from the genus arthrobacter which has been isolated from alpine soil from the grossglockner area from the mountain range hohe tauern, in austria. arthrobacter alpinus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: micrococcaceae genus: arthrobacter species: a. alpinus binomial name arthrobacter alpinuszhang et al. 2010 type strain cgmcc 1.8950dsm 22274jcm 17736s6-3