Isolation of Strain LW-3 Capable of Degrading Chlorimuron-ethyl and Its Biological Characteristics
- VernacularTitle:氯嘧磺隆降解菌株LW-3的分离及生物学特性研究
- Author:
Zhe WANG
;
Ji-Quan SUN
;
Ji-Ping MA
;
Xing HUANG
;
Shun-Peng LI
;
- Publication Type:Journal Article
- Keywords:
Chlorimuron-ethyl, Micro-biodegradation, Pseudomonas sp., Biological characteristics
- From:
Microbiology
2008;0(12):-
- CountryChina
- Language:Chinese
-
Abstract:
A bacterium(designated as LW-3), capable of degrading Chlorimuron-ethyl, was isolated from the long-term contaminated soil by Chlorimuron-ethyl. Based on physiological and biochemical analyses and sequences comparison of 16S rDNA, strain LW-3 was identified as Pseudomonas sp. LW-3 could use Chlorimuron-ethyl as sole nitrogen source for growth. The optimum pH and temperature for degradation of Chlorimuron-ethyl were pH 6.5~7.2 and 30?C~35?C, at same temperature the pH change to the Chlorimuron -ethyl degrading influence is large. When the pH and temperature were pH 6.5 and 32?C, 50 mg/L Chlori- muron-ethyl could be degraded to 70%~80% level within 7 days.
