Biosurfactant-producing microorganism Pseudomonas sp SB assists the phytoremediation of DDT-contaminated soil by two grass species
Wang, Beibei1,2; Wang, Clingling1; Liu, Wuxing1; Liu, Xiaoyan1,2; Hou, Jinyu1,2; Teng, Ying1; Luo, Yongming1,3; Christie, Peter1
2017-09-01
发表期刊CHEMOSPHERE
ISSN0045-6535
卷号182页码:137-142
摘要Phytoremediation together with microorganisms may confer the advantages of both phytoremediation and microbial remediation of soils containing organic contaminants. In this system biosurfactants produced by Pseudomonas sp. SB may effectively help to increase the bioavailability of organic pollutants and thereby enhance their microbial degradation in soil. Plants may enhance the rhizosphere environment for microorganisms and thus promote the bioremediation of contaminants. In the present pot experiment study, dichlorodiphenyltrichloroethane (DDT) residues underwent an apparent decline after soil bioremediation compared with the original soil. The removal efficiency of fertilizer + tall fescue, fertilizer + tall fescue + Pseudomonas, fertilizer + perennial ryegrass, and fertilizer + perennial ryegrass + Pseudomonas treatments were 59.4, 65.6, 69.0, and 65.9%, respectively, and were generally higher than that in the fertilizer control (40.3%). Principal coordinates analysis (PCoA) verifies that plant species greatly affected the soil bacterial community irrespective of inoculation with Pseudomonas sp. SB. Furthermore, community composition analysis shows that Proteobacteria, Acidobacteria and Actinobacteria were the three dominant phyla in all groups. In particular, the relative abundance of Pseudomonas for fertilizer + tall fescue + Pseudomonas (0.25%) was significantly greater than fertilizer + tall fescue and this was related to the DDT removal efficiency. (C) 2017 Elsevier Ltd. All rights reserved.
关键词Ddts Phytoremediation Biosurfactant-producing Microorganisms 16s Rrna Bacterial Community
DOI10.1016/j.chemosphere.2017.04.123
项目资助者Key Research Program of the Chinese Academy of Sciences(KFZD-SW-303) ; National Natural Science Foundation of China(41671325 ; U1662110)
收录类别SCI
关键词[WOS]POLYCYCLIC AROMATIC-HYDROCARBONS ; ORGANOCHLORINE-PESTICIDES ; AGRICULTURAL SOILS ; COMMUNITY RESPONSE ; SEDIMENT CORE ; BIODEGRADATION ; CHINA ; RESIDUES ; REMEDIATION ; SURFACTANTS
文章类型Article
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS记录号WOS:000403991700017
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/22541
专题中科院海岸带环境过程与生态修复重点实验室
作者单位1.Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Coastal Zone Res, Yantai 264003, Peoples R China
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Wang, Beibei,Wang, Clingling,Liu, Wuxing,et al. Biosurfactant-producing microorganism Pseudomonas sp SB assists the phytoremediation of DDT-contaminated soil by two grass species[J]. CHEMOSPHERE,2017,182:137-142.
APA Wang, Beibei.,Wang, Clingling.,Liu, Wuxing.,Liu, Xiaoyan.,Hou, Jinyu.,...&Christie, Peter.(2017).Biosurfactant-producing microorganism Pseudomonas sp SB assists the phytoremediation of DDT-contaminated soil by two grass species.CHEMOSPHERE,182,137-142.
MLA Wang, Beibei,et al."Biosurfactant-producing microorganism Pseudomonas sp SB assists the phytoremediation of DDT-contaminated soil by two grass species".CHEMOSPHERE 182(2017):137-142.
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