The production of vitamin B12 by various strains of actinomycetes.
D039903:Actinobacteria; D000190:Actinomyces; D045728:Corrinoids; D013302:Streptomyces; D014805:Vitamin B 12
D045728:Corrinoids; D014805:Vitamin B 12
STREPTOMYCES; VITAMIN B12