luteococcus sanguinis luteococcus sanguinis luteococcus sanguinis is a gram-positive bacterium from the genus luteococcus which has been isolated from human blood in sundsvall, sweden. luteococcus sanguinis scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: propionibacteriales family: propionibacteriaceae genus: luteococcus species: l. sanguinis binomial name luteococcus sanguiniscollins et al. 2003 type strain ccug 33897cip 107216jcm 12371