Methods Plasmid DNA was extracted by the procedure of Kado and Liu,and Pgm was detected by incubating isolates on Congo red media at28oC for7days.

 
  • 方法質(zhì)粒運用Kado改良法進(jìn)行提取; Pgm利用剛果紅培養基置28℃培養7天觀(guān)察。
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