FUNGAL DEGRADATION OF ORGANOPHOSPHOROUS INSECTICIDES

被引：35

作者：

BUMPUS, JA

KAKAR, SN

COLEMAN, RD

机构：

[1] ARGONNE NATL LAB, DIV BIOL & MED RES, ARGONNE, IL 60439 USA

[2] UNIV NOTRE DAME, DEPT CHEM & BIOCHEM, NOTRE DAME, IN 46556 USA

来源：

APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY | 1993年 / 39卷

关键词：

PHANEROCHAETE-CHRYSOSPORIUM; ORGANOPHOSPHOROUS INSECTICIDES; FUNGI; BIODEGRADATION;

D O I：

10.1007/BF02919030

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Organophosphorous insecticides are used extensively in agriculture. As a group, they are easily degraded by bacteria in the environment. However, a number of them have half-lives of several months. Little is known about their biodegradation by fungi. We showed that Phanerochaete chrysosporium mineralized chlorpyrifos, fonofos, and terbufos (27.5, 12.2, and 26.6%, respectively) during an 18-d incubation in nutrient nitrogen-limited cultures. Results demonstrated that the chlorinated pyridinyl ring of chlorpyrifos and the phenyl ring of fonofos undergo cleavage during biodegradation by the fungus. The usefulness of P. chrysosporium for bioremediation is discussed.

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页码：715 / 726

页数：12

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