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Microbial community variation in phytoremediation of triazophos by Canna indica Linn. in a hydroponic system
Xiao, Huiping; Cheng, Shuiping; Wu, Zhenbin; Cheng, SP, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2010
Conference Name9th International Conference on Mercury as a Global Pollutant
Source PublicationJOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
Pages1225-1231
Conference DateJUN, 2009
Conference PlaceGuiyang, PEOPLES R CHINA
Publication PlaceBEIJING
PublisherSCIENCE CHINA PRESS
ISSN1001-0742
Department[Xiao, Huiping; Cheng, Shuiping; Wu, Zhenbin] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Xiao, Huiping] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
AbstractPhytoremediation of triazophos (O,O-diethyl-O-(1-phenyl-1,2,4-triazole-3-base) sulfur phosphate, TAP) pollution by Canna indica Linn. in a hydroponic system has been well studied, whereas the microbial mechanism on TAP degradation is still unknown. The variation in microbial community compositions was investigated by analyzing phospholipid fatty acids (PLFAs) profiles in microbes under TAP exposure. The TAP exposure resulted in an increase in proportions of fatty acid 16:0 and decrease in fatty acid 18:2 omega 9,12c, indicating that TAP may stimulate the reproduction of microorganisms and inhibit the growth of fungi to some degree. Significant correlation was found between the ratio of fungi to bacteria and TAP removal (r(2) = 0.840, p < 0.01). In addition, the microbial community in the phytoremediation system with C. indica was dominated by Gram negative bacteria, which possibly contributed to the degradation of TAP. These results indicated that TAP might induce the colonization of bacteria in the hydroponic system planted with C. indica, and lead to a discrimination of microbial community, which might be one of the mechanisms on TAP dissipation in phytoremediation system.
KeywordMicrobial Community Phospholipid Fatty Acids Triazophos Phytoremediation Canna Indica Linn.
Indexed BySCI
Language英语
WOS IDWOS:000280969000016
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Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13869
Collection水环境工程研究中心_会议论文
Corresponding AuthorCheng, SP, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Huiping,Cheng, Shuiping,Wu, Zhenbin,et al. Microbial community variation in phytoremediation of triazophos by Canna indica Linn. in a hydroponic system[C]. BEIJING:SCIENCE CHINA PRESS,2010:1225-1231.
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