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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-018-1958-9
|2 doi
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|a pubmed24n0953.xml
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|a (DE-627)NLM28595038X
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|a (NLM)29951795
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Wang, Yanhong
|e verfasserin
|4 aut
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| 245 |
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|a Diversity and abundance of arsenic methylating microorganisms in high arsenic groundwater from Hetao Plain of Inner Mongolia, China
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 09.01.2019
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Arsenic methylation is regarded as an effective way of arsenic detoxification. Current knowledge about arsenic biomethylation in high arsenic groundwater remains limited. In the present study, 16 high arsenic groundwater samples from deep wells of the Hetao Plain were investigated using clone library and quantitative polymerase chain reaction (qPCR) analyses of arsM genes as well as geochemical analysis. The concentrations of methylated arsenic (including monomethylarsonic acid (MMA) and dimethylarsinic acid (DMA)) varied from 2.40 to 16.85 μg/L. Both bacterial and archaeal arsenic methylating populations were detected in the high arsenic aquifer. They were dominated by Proteobacteria, Firmicutes, Gemmatimonadetes, Nitrospirae, Methanomicrobia and a large unidentified group. The abundances of predominant populations were correlated positively to either total organic carbon or total arsenic and arsenite concentrations. The arsM gene abundances in high arsenic groundwater ranged from below detection to 5.71 × 106 copies/L and accounted for 0-3.32‰ of total bacterial and archaeal 16S rRNA genes. The arsM gene copies in high arsenic groundwater showed closely positive correlations with methylated arsenic concentrations. The overall results implied that arsenic methylating microorganisms were abundant and diverse in high arsenic groundwater. This was the first study of arsenic methylating microbial communities in high arsenic groundwater aquifers and might provide useful information for arsenic bioremediation in groundwater systems
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|a Journal Article
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|a Arsenic methylation
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|a Groundwater
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|a Hetao Plain
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| 650 |
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|a Microbial community
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4 |
|a arsM gene
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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7 |
|a Arsenic
|2 NLM
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| 650 |
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7 |
|a N712M78A8G
|2 NLM
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| 700 |
1 |
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|a Li, Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Zhou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Han
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Dazhun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Helin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yanxin
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 27(2018), 8 vom: 27. Okt., Seite 1047-1057
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
1 |
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|g volume:27
|g year:2018
|g number:8
|g day:27
|g month:10
|g pages:1047-1057
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|u http://dx.doi.org/10.1007/s10646-018-1958-9
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