title: The interrelationships of genetically-related subcultures of the causative agent of plague differing in their growth-factor requirements.
mesh_terms: D000818:Animals; D003470:Culture Media; D003545:Cysteine / Q000378:metabolism; D014644:Genetic Variation; D005827:Genetics, Microbial; D005849:Gerbillinae; D007930:Leucine / Q000378:metabolism; D008715:Methionine / Q000378:metabolism; D009154:Mutation; D010649:Phenylalanine / Q000378:metabolism; D013912:Threonine / Q000378:metabolism; D015010:Yersinia pestis / Q000254:growth & development* / Q000378:metabolism
chemical_list: D003470:Culture Media; D013912:Threonine; D010649:Phenylalanine; D008715:Methionine; D007930:Leucine; D003545:Cysteine