lactovum lactovum lactovum is a genus of bacteria within the family streptococcaceae. the genus contains a single species, lactovum miscens, an aerotolerant, anaerobic species originally isolated from soil from the stiegerwald forest in germany. lactovum scientific classification domain: bacteria phylum: bacillota class: bacilli order: lactobacillales family: streptococcaceae genus: lactovummatthies et al. 2005 species l. miscens the genome sequence of the df1 strain of lactovum has been sequenced. it has a genome size of 2.1 million bases. it contains a crispr cluster which provides immunity against infectious phages. it also contains a fibronectin/fibrinogen-binding protein, a lysozyme and a regulator of exopolysaccharide synthesis for biofilm formation.