嗜热脂肪芽孢杆菌附着于二氧化硅对杀螟硫磷的降解作用
Degradation of fenitrothion by Bacillus stearothermophilus adhering to silica.
作者信息
Kumari B, Guha A, Bora T C, Roy M K
机构信息
Biochemistry Division, Regional Research Laboratory, Jorhat 785 006, Assam, India.
出版信息
Folia Microbiol (Praha). 1998;43(1):23-6. doi: 10.1007/BF02815535.
B. stearothermophilus strain AG-49, when cultivated in mineral medium in the presence of silica (SA), adhered to SA. Adhesion depended on age of culture, contact time and glucose concentration of the culture medium. Mid-exponential phase culture (5 h) required minimum contact time (30 min) for maximum adhesion. 0.6% glucose concentration was optimum. Quantitative variation in protein and saccharide extractable in sodium chloride and sodium dodecyl sulfate (SDS) was observed. Five % degradation of fenitrothion by adherent B. stearothermophilus could be achieved in 4 d.
嗜热脂肪芽孢杆菌AG-49菌株在含有二氧化硅（SA）的矿物培养基中培养时，会附着于SA。附着情况取决于培养物的菌龄、接触时间和培养基中的葡萄糖浓度。对数中期培养物（5小时）达到最大附着所需的最短接触时间为30分钟。葡萄糖浓度为0.6%时最为适宜。观察到在氯化钠和十二烷基硫酸钠（SDS）中可提取的蛋白质和糖类存在定量变化。附着的嗜热脂肪芽孢杆菌在4天内可使杀螟硫磷降解5%。
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