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Understanding the variation of microbial community in heavy metals contaminated soil using high throughput sequencing
Ist Teil von
Ecotoxicology and environmental safety, 2017-10, Vol.144, p.300-306
Ort / Verlag
Netherlands: Elsevier Inc
Erscheinungsjahr
2017
Link zum Volltext
Quelle
ScienceDirect Journals (5 years ago - present)
Beschreibungen/Notizen
To improve the understanding of bacterial community in heavy metals contaminated soils, we studied the effects of environmental factors on the bacterial community structure in contaminated fields located in Shaanxi Province of China. Our results showed that microbial community structure varied among sites, and it was significantly affected by soil environmental factors such as pH, soil organic matter (SOM), Cd, Pb and Zn. In addition, Spearman's rank-order correlation indicated heavy metal sensitive (Ralstonia, Gemmatimona, Rhodanobacter and Mizugakiibacter) and tolerant (unidentified-Nitrospiraceae, Blastocatella and unidentified-Acidobacteria) microbial groups. Our findings are crucial to understanding microbial diversity in heavy metal polluted soils of China and can be used to evaluate microbial communities for scientific applications such as bioremediation projects.
•Environmental factors had a significant effect on microbial community structure.•Microbial abundance and environmental parameters are correlated.•Heavy metal sensitive and tolerant microbes were identified.