cryobacterium luteum cryobacterium luteum cryobacterium luteum is a gram-positive and rod-shaped bacterium from the genus cryobacterium which has been isolated from glacier ice from a glacier from the xinjiang uyghur autonomous region in china. cryobacterium luteum scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: cryobacterium species: c. luteum binomial name cryobacterium luteumliu et al. 2012 type strain cgmcc 1.11210hh15hh40-2