MICROECOLOGICAL EFFECT OF CYFLUTHRIN-DEGRADER, STRAIN FLQ-11-1, SIMULATING BIOREMEDIATION IN SITU
文献类型： 外文期刊
作者： Hu, GuiPing 1 ; You, MinSheng 2 ; Ye, WuGuang 1 ; Shi, XuPing 1 ; Guan, BangFu 1 ; Zhang, GuoBiao 1 ; Du, XianMing 1 ; Sh 1 ;
作者机构： 1.Jiangxi Sericulture & Tea Res Inst, Nanchang 330202, Jiangxi, Peoples R China
2.Fujian Agr & Forestry Univ, Inst Appl Ecol, Fuzhou 350002, Fujian, Peoples R China
3.Fujian Acad Agr Sci, Fuzhou 350003, Peoples R China
关键词： Cyfluthrin degrader;Lysinibacillus sphaericus;degradation effectiveness;micro-ecology
期刊名称：FRESENIUS ENVIRONMENTAL BULLETIN （ 影响因子：0.489； 五年影响因子：0.479 ）
ISSN： 1018-4619
年卷期： 2016 年 25 卷 12A 期
页码：
收录情况： SCI
摘要： The influence of cyfluthrin-degrader, a novel Lysinibacillus sphaericus strain, FLQ-11-1, with respect to biodegradation effectiveness and its effects on soil microbial community simulating in situ, was evaluated. Two 4-kg soil samples containing 100 mg/L of cyfluthrin were set up, one without cyfluthrin degrader inoculation and one inoculated with degrader. The results showed that the cyfluthrin concentration in the inoculated soil declined by 99.45% within 28 days, whereas in strain-free samples, this concentration decreased by 29.1%. The amount of culturable bacteria in the inoculated soil grew faster in the 7 days after inoculation than in the strain-free sample, although it was low in both samples. PLFA profiles of soil after inoculating strain FLQ-11-1 displayed significant difference, with the character of biomark 18:0 negative related to cyfluthrin residue content. microrganisms L. sphaericus and P. amygdali, were only detected in the the soil inoculated with FLQ-11-1, while R. leguminosarum and Nitrosospira sp., were special microbes in the free soil, and twelve bacterium were in common. And strain FLQ-11-1 were the advantage organism in the 28 day, accomplying with the microbial diversity recovery. These results showed that strain FLQ-11-1 could well colonized in the cyfluthrin-polluted soil, although change the indigenous microorganism community diversity in its earlier bioremediation action, but contribute to recover the indigenous microorganisms community with decreasing of cyfluthrin in the soil.
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