首页> 外文期刊>Journal of Bioscience and Bioengineering >Determination of co-metabolism for 1,1,1 -trichloro-2,2-bis(4-chlorophenyl) ethane (DDT) degradation with enzymes from Trametes versicolor U97M
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Determination of co-metabolism for 1,1,1 -trichloro-2,2-bis(4-chlorophenyl) ethane (DDT) degradation with enzymes from Trametes versicolor U97M

机译:用Trametes versicolor U97M中的酶测定降解1,1,1-三氯-2,2-双(4-氯苯基)乙烷(DDT)的共代谢

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Trametes versicolor U97 isolated from nature degraded 73% of the 1,1,1 -trichloro-2,2-bis(4-chlorophenyl) ethane (DDT) in a malt extract liquid medium after a 40-d incubation period. This paper presents a kinetic study of microbial growth using the Monod equation. T. versicolor U97 degraded DDT during an exponential growth phase, using glucose as a carbon source for growth. The growth of T. versicolor U97 was not affected by DDT. DDT was degraded by T. versicolor U97 only when the secondary metabolism coincided with the production of several enzymes. Furthermore, modeling of several inhibitors using the partial least squares function in Minitab 15, revealed lignin peroxidase (98.7 U/l) plays a role in the degradation of DDT. T. versicolor U97 produced several metabolites included a single-ring aromatic compound, 4-chlorobenzoic acid.
机译:在大麦芽提取液培养基中孵育40天后,从自然界中分离得到的云芝Trametes U97降解了73%的1,1,1-三氯-2,2-双(4-氯苯基)乙烷(DDT)。本文介绍了利用Monod方程进行微生物生长的动力学研究。杂色丁香U97在指数生长期使用葡萄糖作为生长的碳源降解了滴滴涕。杂色丁香U97的生长不受滴滴涕的影响。仅当次生代谢与几种酶的产生同时发生时,DDT才能被杂色丁香U97降解。此外,在Minitab 15中使用部分最小二乘函数对几种抑制剂进行建模,发现木质素过氧化物酶(98.7 U / l)在DDT降解中起作用。 T. versicolor U97产生的几种代谢物包括单环芳族化合物4-氯苯甲酸。

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