红球菌属菌株NI86/21中，单一的细胞色素P-450系统参与了除草剂EPTC（S-乙基二丙基硫代氨基甲酸盐）和莠去津的降解过程。
A single cytochrome P-450 system is involved in degradation of the herbicides EPTC (S-ethyl dipropylthiocarbamate) and atrazine by Rhodococcus sp. strain NI86/21.
作者信息
Nagy I, Compernolle F, Ghys K, Vanderleyden J, De Mot R
机构信息
Department of Applied Plant Sciences, Catholic University of Leuven, Heverlee, Belgium.
出版信息
Appl Environ Microbiol. 1995 May;61(5):2056-60. doi: 10.1128/aem.61.5.2056-2060.1995.
Abstract
During atrazine degradation by Rhodococcus sp. strain N186/21, N-dealkylated metabolites and an hydroxyisopropyl derivative are produced. The cytochrome P-450 system that is involved in degradation of thiocarbamate herbicides by strain N186/21 (I. Nagy, G. Schoofs, F. Compernolle, P. Proost, J. Vanderleyden, and R. De Mot, J. Bacteriol. 177:676-687, 1995) is also required for atrazine degradation. Atrazine-degrading activity was conferred on the atrazine-negative strains, mutant FAJ2027 of Rhodococcus sp. strain N186/21 and Rhodococcus erythropolis SQ1, upon transformation with the genes encoding the cytochrome P-450 system.
摘要
在红球菌属菌株N186/21降解莠去津的过程中，会产生N-脱烷基代谢物和一种羟基异丙基衍生物。红球菌属菌株N186/21降解硫代氨基甲酸盐类除草剂时所涉及的细胞色素P-450系统（I. 纳吉、G. 舒夫斯、F. 孔佩诺勒、P. 普罗斯特、J. 万德雷登和R. 德莫特，《细菌学杂志》177:676 - 687，1995年）对于莠去津的降解也是必需的。在用编码细胞色素P-450系统的基因转化后，莠去津降解活性赋予了莠去津阴性菌株，即红球菌属菌株N186/21的突变体FAJ2027和红平红球菌SQ1。
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