[Use of ethylene imine in selecting vitamin B12 producers].
D000190:Actinomyces / Q000378:metabolism*; D045728:Corrinoids; D005030:Ethylenes; D006571:Heterocyclic Compounds; D007097:Imines; D014805:Vitamin B 12 / Q000378:metabolism*
D045728:Corrinoids; D005030:Ethylenes; D006571:Heterocyclic Compounds; D007097:Imines; C036216:ethylene; D014805:Vitamin B 12
ACTINOMYCES/metabolism; HETEROCYCLIC COMPOUNDS; VITAMIN B 12/metabolism