Changes in mutagenicity during biodegradation of fenitrothion

被引：14

作者：

Matsushita, T

Matsui, Y

Taniwaki, S

Inoue, T

机构：

[1] Gifu Univ, Dept Civil Engn, Gifu 5011193, Japan

[2] Seikagaku Kogyo Co Ltd, Minato Ku, Tokyo 1058509, Japan

来源：

CHEMOSPHERE | 2002年 / 47卷 / 01期

关键词：

fenitrothion; insecticide; ames assay; mutagenicity; anaerobic biodegradation; aerobic biodegradation;

D O I：

10.1016/S0045-6535(01)00296-X

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In order to investigate changes in the mutagenicity of fenitrothion during its biodegradation in solution, measurements were conducted at intervals in batch cultures incubated under anaerobic or aerobic conditions. Fenitrothion-degrading bacteria were obtained from a green onion field on the west side of Gifu University, Japan. Fenitrothion was almost completely decomposed by day 12 under both types of incubation condition. The indirect mutagenicity of the solution to strains YG1029 and YG1042, however, increased markedly during anaerobic biodegradation. The increase in mutagenicity was partially due to amino-fenitrothion, a metabolite formed during anaerobic biodegradation of fenitrothion. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：9 / 14

页数：6

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