Microbial community variation in phytoremediation of triazophos by Canna indica Linn. in a hydroponic system

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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
	2010
会议名称	9th International Conference on Mercury as a Global Pollutant
会议日期	JUN, 2009
会议地点	Guiyang, PEOPLES R CHINA
关键词	microbial community phospholipid fatty acids triazophos phytoremediation Canna indica Linn.
页码	1225-1231
通讯作者	Cheng, SP, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
中文摘要	Phytoremediation 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.
收录类别	SCI
会议录	JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
会议录出版者	SCIENCE CHINA PRESS
会议录出版地	BEIJING
语种	英语
ISSN号	1001-0742
WOS记录号	WOS:000280969000016
内容类型	会议论文
源URL	[http://ir.ihb.ac.cn/handle/342005/13869]
专题	水生生物研究所_水环境工程研究中心_会议论文
推荐引用方式 GB/T 7714	Xiao, Huiping,Cheng, Shuiping,Wu, Zhenbin. Microbial community variation in phytoremediation of triazophos by Canna indica Linn. in a hydroponic system[C]. 见:9th International Conference on Mercury as a Global Pollutant. Guiyang, PEOPLES R CHINA. JUN, 2009.