Goff C G, Sheldon R
J Bacteriol. 1978 Feb;133(2):1032-3. doi: 10.1128/jb.133.2.1032-1033.1978.
Studies of the expression of Escherichia coli fol alleles in Salmonella typhimurium indicated that fol regulatory functions are highly conserved between these bacterial species.
对大肠杆菌叶酸等位基因在鼠伤寒沙门氏菌中表达的研究表明,这些细菌物种之间的叶酸调控功能高度保守。