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Bacterial community and arsenic functional genes diversity in arsenic contaminated soils from different geographic locations

Gu, Yunfu ; D Van Nostrand, Joy ; Wu, Liyou ; He, Zhili ; Qin, Yujia ; Zhao, Fang-Jie ; Zhou, Jizhong Smidt, Hauke

PloS one, 2017-05, Vol.12 (5), p.e0176696-e0176696 [Periódico revisado por pares]

United States: Public Library of Science

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Título:
Bacterial community and arsenic functional genes diversity in arsenic contaminated soils from different geographic locations
Autor: Gu, Yunfu ; D Van Nostrand, Joy ; Wu, Liyou ; He, Zhili ; Qin, Yujia ; Zhao, Fang-Jie ; Zhou, Jizhong
Smidt, Hauke
Assuntos: Abundance ; Acid mine drainage ; Adenosylmethionine ; Adsorption ; Agrochemicals ; Anaerobic conditions ; Analysis ; Anthropogenic factors ; Aquifers ; Arsenate reductase ; Arsenic ; Arsenic - analysis ; Arsenite ; Bacteria ; Bacteria - genetics ; BASIC BIOLOGICAL SCIENCES ; Biochemistry ; Biodiversity ; Biogeography ; Biological diversity ; Biology and life sciences ; Biosynthesis ; Community structure ; Contamination ; Detoxification ; Diet ; DNA microarrays ; Drinking water ; Earth sciences ; Ecology and Environmental Sciences ; Genes ; Genes, Bacterial ; Genomics ; Geographical distribution ; Geographical locations ; Geography ; Groundwater ; Iron ; Iron content ; Laboratories ; Methylation ; Microbial colonies ; Microorganisms ; Mine tailings ; Mining ; Oxidation ; People and Places ; Physical Sciences ; Phytoplankton ; Plant biology ; Pollution ; Pollution control ; Precipitation ; Respiration ; Rice ; RNA, Ribosomal, 16S - genetics ; Sediments ; Soil acidity ; Soil contamination ; Soil Microbiology ; Soil pH ; Soil Pollutants - analysis ; Soil properties ; Studies
É parte de: PloS one, 2017-05, Vol.12 (5), p.e0176696-e0176696
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
AC02-05CH11231
USDOE Office of Science (SC)
Competing Interests: The authors have declared that no competing interests exist.
Conceptualization: FZ JZ.Data curation: YQ.Formal analysis: YQ YG.Funding acquisition: FZ YG.Investigation: FZ.Methodology: FZ JZ LW JDVN YQ.Project administration: FZ JZ LW JDVN.Resources: FZ JZ.Software: YQ YG.Supervision: FZ JZ.Validation: FZ JZ.Visualization: YG YQ.Writing – original draft: YG.Writing – review & editing: FZ ZH JDVN.
Descrição: To understand how soil microbial communities and arsenic (As) functional genes respond to soil arsenic (As) contamination, five soils contaminated with As at different levels were collected from diverse geographic locations, incubated for 54 days under flooded conditions, and examined by both MiSeq sequencing of 16S rRNA gene amplicons and functional gene microarray (GeoChip 4.0). The results showed that both bacterial community structure and As functional gene structure differed among geographical locations. The diversity of As functional genes correlated positively with the diversity of 16S rRNA genes (P< 0.05). Higher diversities of As functional genes and 16S rRNA genes were observed in the soils with higher available As. Soil pH, phosphate-extractable As, and amorphous Fe content were the most important factors in shaping the bacterial community structure and As transformation functional genes. Geographic location was also important in controlling both the bacterial community and As transformation functional potential. These findings provide insights into the variation of As transformation functional genes in soils contaminated with different levels of As at different geographic locations, and the impact of environmental As contamination on the soil bacterial community.
Editor: United States: Public Library of Science
Idioma: Inglês

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Bacterial community and arsenic functional genes diversity in arsenic contaminated soils from different geographic locations

Gu, Yunfu ; D Van Nostrand, Joy ; Wu, Liyou ; He, Zhili ; Qin, Yujia ; Zhao, Fang-Jie ; Zhou, Jizhong Smidt, Hauke

United States: Public Library of Science

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