EFFECTIVENESS OF APPLYING ARSENATE REDUCING BACTERIA TO ENHANCE ARSENIC REMOVAL FROM POLLUTED SOILS BY PTERIS VITTATA L.

	EFFECTIVENESS OF APPLYING ARSENATE REDUCING BACTERIA TO ENHANCE ARSENIC REMOVAL FROM POLLUTED SOILS BY PTERIS VITTATA L.
	Yang, Q.1; Tu, S.1; Wang, G.1; Liao, X.2; Yan, X.2
刊名	INTERNATIONAL JOURNAL OF PHYTOREMEDIATION
	2012
卷号	14 期号:1 页码:89-99
关键词	Phytoremediation Soil Remediation Soil Metal Uptake Soil Microbial Biomass Arsenic Leaching
文献子类	Article
英文摘要	Arsenic is a common contaminant in soils and water. It is well established that the fern Pteris vittata L. is an As hyperaccumulator and therefore has potential to phyroremediate As-polluted soils. Also, it is accepted that rhizosphere microflora play an enhancing role in plant uptake of metallic elements from soils. Studies showed that hydroponiclly grown P. Vittata accumulated arsenite more than the arsenate form of As apparently because arsenate and phosphate are analogues and therefore its absorption is inhibited by phosphate. The objective of this study was to determine whether addition of five different arsenate-reducing bacteria would enhance arsenic uptake by P. vittata grown in arsenic polluted soils in a field experiment. Results showed that addition of the As reducing bacteria promoted the growth of P. vittata, increased As accumulation, activated soil insoluble As, and reduced As leaching compared to the untreated control. Plant biomass increased by 53% and As uptake by 44%. As leaching was reduced by 29% to 71% depending on the As reducing bacterium. The results in their entirety permitted some insight into the mechanisms by which the arsenate reducing bacteria enhanced the effectiveness of P. vittata to remove As from the polluted soil.
WOS关键词	GROWTH-PROMOTING RHIZOBACTERIA ; MICROBIAL COMMUNITY STRUCTURE ; CONTAMINATED SOILS ; MYCORRHIZAL FUNGI ; BRASSICA-JUNCEA ; UPTAKE KINETICS ; HOLCUS-LANATUS ; DRINKING-WATER ; METAL UPTAKE ; HEAVY-METAL
语种	英语
出版者	TAYLOR & FRANCIS INC
WOS记录号	WOS:000301770000008
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/68367]
专题	中国科学院地理科学与资源研究所
通讯作者	Tu, S.
作者单位	1.Huazhong Agr Univ, Dept Environm Sci, Wuhan 430070, Peoples R China 2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Yang, Q.,Tu, S.,Wang, G.,et al. EFFECTIVENESS OF APPLYING ARSENATE REDUCING BACTERIA TO ENHANCE ARSENIC REMOVAL FROM POLLUTED SOILS BY PTERIS VITTATA L.[J]. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION,2012,14(1):89-99.
APA	Yang, Q.,Tu, S.,Wang, G.,Liao, X.,&Yan, X..(2012).EFFECTIVENESS OF APPLYING ARSENATE REDUCING BACTERIA TO ENHANCE ARSENIC REMOVAL FROM POLLUTED SOILS BY PTERIS VITTATA L..INTERNATIONAL JOURNAL OF PHYTOREMEDIATION,14(1),89-99.
MLA	Yang, Q.,et al."EFFECTIVENESS OF APPLYING ARSENATE REDUCING BACTERIA TO ENHANCE ARSENIC REMOVAL FROM POLLUTED SOILS BY PTERIS VITTATA L.".INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 14.1(2012):89-99.