PMID: 22567697May 10, 2012Paper

Effectiveness of applying arsenate reducing bacteria to enhance arsenic removal from polluted soils by Pteris vittata L

International Journal of Phytoremediation
Q YangXiulan Yan

Abstract

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 afield 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 f...Continue Reading

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Citations

Apr 4, 2014·BioMed Research International·K T LimH Wasoh
Jul 11, 2014·Ecotoxicology and Environmental Safety·Ivy MallickSamir Kumar Mukherjee
Apr 17, 2014·Environmental Science and Pollution Research International·Charlotte C ShagolTongmin Sa
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May 15, 2018·Frontiers in Microbiology·Frédéric PlewniakPhilippe N Bertin
Jan 1, 2018·International Journal of Phytoremediation·Xiulan YanJianyi Wang
Feb 9, 2019·Journal, Genetic Engineering & Biotechnology·N TirryN El Ghachtouli
Aug 7, 2020·Environmental Science and Pollution Research International·Zhuo ZhenYuan Zhao
Oct 17, 2020·Environmental Science and Pollution Research International·Wenxiang HeJie Luo
Nov 14, 2020·Journal of Hazardous Materials·Jyoti Prakash MaityJochen Bundschuh
Feb 16, 2021·Environmental Science and Pollution Research International·Sana IrshadQaisar Mahmood
Feb 28, 2021·The Science of the Total Environment·Haixia ZhuPeter Christie
Mar 20, 2021·The Science of the Total Environment·Alejandro NavazasAida González
Sep 16, 2020·The Science of the Total Environment·Chongyang YangMei-Fang Chien

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