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Dynamic changes in microbial communities during the bioremediation of herbicide (chlorimuron-ethyl and atrazine) contaminated soils by combined degrading bacteria
Wang, Jian1,2; Li, Xinyu1; Li, Xu1; Wang, Huanhuan1,2; Su, Zhencheng1; Wang, Xiujuan1; Zhang, Huiwen1
Corresponding AuthorZhang, Huiwen(hwzhang@iae.ac.cn)
2018-04-05
Source PublicationPLOS ONE
ISSN1932-6203
Volume13Issue:4Pages:14
AbstractChlorimuron-ethyl and atrazine are two herbicides with long half-lives in soil; their long-term and excessive application has led to a series of environmental problems. In this study, the strains Chenggangzhangella methanolivorans CHL1 and Arthrobactersp. ART1 were combined and used for the remediation of chlorimuron-ethyl, atrazine and combined contaminated soils in a microcosm experiment. Changes in chlorimuron-ethyl and atrazine concentrations in soils were monitored, and variations in the soil microbial community were studied by phospholipid fatty acid (PLFA) analysis. The two inoculated degrading strains accelerated the degradation of chlorimuron-ethyl and atrazine in soil, especially in the combined contaminated soil. Addition of the two herbicides and their combination generally decreased the concentrations of total PLFAs, total bacterial PLFAs, Gram-negative and Gram-positive bacterial PLFAs and Shannon-Wiener indices, and changed microbial community composition, whilst stimulating fungal PLFA concentrations. In addition, the combined herbicide treatment had more impact on microbial biomass than the single herbicide treatments. Inoculation treatments significantly relieved the effects of herbicides on soil microbial biomass, diversity and community structure. This study demonstrated that strains CHL1 and ATR1 have the potential to remediate chlorimuron-ethyl, atrazine and combined contaminated soils, and provided valuable information for remediation of chlorimuron-ethyl, atrazine and combined contaminated soils in situ.
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Derivative Bank of Chinese Biological Resources
DOI10.1371/journal.pone.0194753
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFD0800702] ; National Natural Science Foundation of China[31670515] ; Derivative Bank of Chinese Biological Resources[ZSYS-007]
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000429206800026
PublisherPUBLIC LIBRARY SCIENCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/127728
Collection中国科学院金属研究所
Corresponding AuthorZhang, Huiwen
Affiliation1.Chinese Acad Sci, Inst Appl Ecol, Key Lab Pollut Ecol & Environm Engn, Shenyang, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jian,Li, Xinyu,Li, Xu,et al. Dynamic changes in microbial communities during the bioremediation of herbicide (chlorimuron-ethyl and atrazine) contaminated soils by combined degrading bacteria[J]. PLOS ONE,2018,13(4):14.
APA Wang, Jian.,Li, Xinyu.,Li, Xu.,Wang, Huanhuan.,Su, Zhencheng.,...&Zhang, Huiwen.(2018).Dynamic changes in microbial communities during the bioremediation of herbicide (chlorimuron-ethyl and atrazine) contaminated soils by combined degrading bacteria.PLOS ONE,13(4),14.
MLA Wang, Jian,et al."Dynamic changes in microbial communities during the bioremediation of herbicide (chlorimuron-ethyl and atrazine) contaminated soils by combined degrading bacteria".PLOS ONE 13.4(2018):14.
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