vagococcus silagei vagococcus silagei vagococcus silagei is a gram-positive, haemolytic, non-spore-forming, facultatively anaerobic and non-motile bacterium from the genus of vagococcus which has been isolated from brewer's grain from taiwan. vagococcus silagei scientific classification domain: bacteria phylum: bacillota class: bacilli order: lactobacillales family: enterococcaceae genus: vagococcus species: v. silagei binomial name vagococcus silageiwu et al. 2020 type strain 2b-2