Bacterial diversity in soils around a lead and zinc mine
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Cited by (65)
Interactive effects of biochar amendment and lead toxicity on soil microbial community
2022, Journal of Hazardous MaterialsCitation Excerpt :Sobolev and Begonia (2008) conducted incubation at Pb levels of 1, 500, 1000, and 2000 mg kg−1 and indicated that Pb had detectable effects on community diversity at relatively low concentrations, and that several concentration thresholds were observed for shifts in community diversity. Field studies comparing microbial communities between Pb contaminated and uncontaminated soils also reported distinct dissimilarity of microbial community diversity and structure (Hu et al., 2007; Beattie et al., 2018), albeit no significant heavy metal induced differences in diversity or richness indices between sites of 100 years of Pb and Zn mining and unmined locations were also noted (Xu et al., 2017). While the specific effects on microbial community structure are often better elucidated at lower taxonomic levels, at the class level Pb toxicity clearly suppressed Bacteroidia while increasing the relative abundance of Alphaproteobacteria and Gammaproteobacteria (Fig. 4), both of which belong to Proteobacteria, a predominant heavy metal resistant phylum in many polluted environments.
Phytobial remediation by bacteria and fungi
2021, Assisted PhytoremediationDeciphering the toxic effects of metals in gold mining area: Microbial community tolerance mechanism and change of antibiotic resistance genes
2020, Environmental ResearchCitation Excerpt :However, it seems not to indicate how these important factors affect the microbial diversities in gold mining area for the interaction between metals and soil microbial communities is complicated. Additionally, the accumulation of trace metals in microorganisms causes perturbations of soil microbial metabolic activity and diversity, limiting microbial multiplication (Wei et al., 2009) and reducing microbial ecological functions that are associated with ecosystem, such as carbon, nitrogen and sulfur metabolism (Hu et al., 2007). Schimmer and van Deventer (2018) found that the soil around the gold tailing showed poor microbial activity due to the presence of trace metals.
The importance of edaphic niches functionality for the sustainability of phytomanagement in semiarid mining impacted ecosystems
2020, Journal of Environmental ManagementAssessment of microbial diversity and enumeration of metal tolerant autochthonous bacteria from tailings of magnesite and bauxite mines
2020, Materials Today: ProceedingsCitation Excerpt :Investigation of the microbial diversity in the mining environment is quite difficult due to the lack of sufficient media and methodology. The microbes from the metal-containing environment possess metal resistance attained from moderate evolution on their genetic material [3]. The presence of these metal tolerant bacteria on mine soil could be considered as beneficial microbes due to the possibility of natural bioremediation [4].
Project supported by the National Natural Science Foundation of China (No. 20477051).