All anti FOA strains, can grow on uridine or uricil containing minimal medium agar plate but not on orotic acid containing MM plate, indicating that the mutation happened in the URA gene.
All anti FOA strains, can grow on uridine or uricil containing minimal medium agar plate but not on orotic acid containing MM plate, indicating that the mutation happened in the URA gene.
进一步分析鉴定结果表明,这些突变株的URA 基因发生了突变。