Methods:The standard strains were grown on L dopa and bird seed medium.The fragment of CNLAC1 was analyzed by random amplification of genomic DNA.

• 方法:取标准的产黑素和白化突变菌株分别培养,研究产黑素表型的变化,并用聚合酶链反应进行CNLAC1目的基因片段的扩增。