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有机磷农药降解菌的紫外诱变育种

BREEDING BY ULTRAVIOLET RAY MUTATON OF ORGANOPHOSPHOROUS PESTICIDES-DEGRADING STRAIN OF BACILLUS

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【作者】 王永杰李顺鹏沈标赵勇

【Author】 WANG Yongjie, LI Shunpeng, SHEN Biao & ZHAO Yong ( Department of Microbiology, Nanjing Agricultural University, Nanjing 210095)

【机构】 南京农业大学微生物学系!南京210095

【摘要】 有机磷农药降解菌地衣芽孢杆菌( Bacilluslicheniformis) 经紫外线诱变后,筛选出突变菌株P12 .在θ=30℃,溶解氧ρ(O2) =2 .5 mg L-1 的培养条件下,3 d 内对甲胺磷的降解率为80 .1% ,比出发菌株提高了将近10%的降解率.农药斜面连续传代10 次,降解活力保持稳定.

【Abstract】 A mutant P 12 was obtained from an organophosphorous pesticides-degrading strain( Bacillus licheniformis ) mutated by ultraviolet ray . At θ =30℃, ρ (O 2)=2.5 mg L -1 , the removal rate of methamidophs by the strain was 80.1% in 3 d and was 10% higher than that by original strain. The mutant was generated for ten times on the tube medium containing methamidophs and showed that the degradative capacity was stable.

【基金】 农业部环能司资助
  • 【文献出处】 应用与环境生物学报 ,CHINESE JOURNAL OF APPLIED AND ENVIRONMENTAL BIOLOGY , 编辑部邮箱 ,1999年06期
  • 【分类号】X592.06;X172;S482.
  • 【被引频次】65
  • 【下载频次】463
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