A comprehensive survey on the horizontal and vertical distribution of heavy metals and microorganisms in soils of a Pb/Zn smelter

Li, Shuzhen; Zhao, Bingqiang; Ming, Jin; Hu, Liang; Zhong, Hui; He, Zhiguo

doi:10.1016/j.jhazmat.2020.123255

Cited by 185 publications

(48 citation statements)

References 76 publications

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“…Thus, we can deduce from our results that the phyla Proteobacteria and Bacteroidetes are able to endure high As and Pb stresses. Previous studies have reported that the members of the phylum Proteobacteria are able to tolerate high HMs stress (Schneider et al, 2017;Li et al, 2020c), which was consistent with the results of our study. Moreover, other studies have shown that Proteobacteria dominate in the metal-tolerant cultures, because many species belonging to this phyla can reduce Fe and facilitate soil-adsorbed metals release which inadvertently increase metal stress (Francis and Dodge, 1990;Jiang et al, 2017).…”

Section: Changes In Microbial Community Structuresupporting

confidence: 94%

“…The As and Pb concentrations decreased with increasing distance from the mining site and vice versa (Table 2). Previous studies have reported that the HMs concentrations in the topsoil usually decrease with the increase in the distance away from the mine (Li et al, 2015;Shen et al, 2017;Li et al, 2020c). A significant correlation was observed between total As and total Pb (r 0.970, p < 0.001) (Supplementary Table S1), which indicated that these metal (loid)s had similar pollution sources (Sun et al, 2010).…”

Section: Physicochemical Characterization Of Soil Samplesmentioning

confidence: 65%

“…The high As and Pb concentrations can be ascribed to intensive mining activities in the area. Previous studies have shown that As and Pb can easily be translocated from the mining site to neighboring farmlands via surface runoff and/or dust particles deposition (Wang et al, 2011;Guo et al, 2017;Li et al, 2020c). The total As and Pb concentrations in the studied area ranged between 44.4-388 mg kg −1 and 0.20-2.12 g kg −1 , respectively.…”

Section: Physicochemical Characterization Of Soil Samplesmentioning

confidence: 78%

“…The relative abundance of Haliangium, Nitrospira, Flavobacterium, Opitutus, Sphingomonas, Pseudomonas, Aquicella, Acidibacter, Blastocatella, and Sorangium were significantly higher in N01 than those in N02, N03, and N04 (p < 0.05). Previous studied have shown that the most of the bacterial strains from these genera are commonly involved in As resistance (Guo et al, 2017;Titah et al, 2018;Li et al, 2020c). Haliangium was observed to flourish in HMs stressed environments (Marti et al, 2017).…”

Section: Changes In Microbial Community Structurementioning

confidence: 97%

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Spatial Variation in Microbial Community in Response to As and Pb Contamination in Paddy Soils Near a Pb-Zn Mining Site

Zou¹,

Lu²,

Dai³

et al. 2021

Front. Environ. Sci.

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Mining activity is a growing environmental concern as it contributes to heavy metals (HMs) pollution in agricultural soils. Microbial communities play an important role in the biogeochemical cycling of HMs and have the potential to be used as bioindicators. Arsenic (As) and lead (Pb) are the most hazardous HMs and are mainly originated from mining activities. However, spatial variation in microbial community in response to As and Pb contamination in paddy soils remains overlooked. In this study, the biological and chemical properties of sixteen soil samples from four sites (N01, N02, N03, and N04) near a Pb-Zn mining site at different As and Pb levels were examined. The results showed that soil pH, total As and Pb, bioavailable As and Pb, nitrate-nitrogen (NO3−-N) and ammonia-nitrogen (NH4+-N) were the most important factors in shaping the bacterial community structure. In addition, significant correlations between various bacterial genera and As and Pb concentrations were observed, indicating their potential roles in As and Pb biogeochemical cycling. These findings provide insights into the variation of paddy soil bacterial community in soils co-contaminated with different levels of As and Pb.

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Section: Changes In Microbial Community Structuresupporting

confidence: 94%

Section: Physicochemical Characterization Of Soil Samplesmentioning

confidence: 65%

Section: Physicochemical Characterization Of Soil Samplesmentioning

confidence: 78%

Section: Changes In Microbial Community Structurementioning

confidence: 97%

See 2 more Smart Citations

Spatial Variation in Microbial Community in Response to As and Pb Contamination in Paddy Soils Near a Pb-Zn Mining Site

Zou¹,

Lu²,

Dai³

et al. 2021

Front. Environ. Sci.

View full text Add to dashboard Cite

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“…Environmental contamination by heavy metal/metalloid species continues to attract global attention given the persistent nature of such toxic pollutants, which have latent, long-term, cumulative, and non-biodegradability characteristics ( Mirzaei et al, 2014 ; Zhao et al, 2019 ). Metal smelting activities have resulted in a large number of heavy metal/metalloid species being released into the natural environment, resulting in contamination of soils in the vicinity of smelters ( Li et al, 2020b ). The accumulation of heavy metal/metalloid species seriously threaten the ecological environment, diversity, functioning of soil microorganisms, food security, and human health.…”

Section: Introductionmentioning

confidence: 99%

Effects of Heavy Metals/Metalloids and Soil Properties on Microbial Communities in Farmland in the Vicinity of a Metals Smelter

Wang²,

Liu³

et al. 2021

Front. Microbiol.

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Microorganisms play a fundamental role in biogeochemical cycling and are highly sensitive to environmental factors, including the physiochemical properties of the soils and the concentrations of heavy metals/metalloids. In this study, high-throughput sequencing of the 16S rRNA gene was used to study the microbial communities of farmland soils in farmland in the vicinity of a lead–zinc smelter. Proteobacteria, Acidobacteria, Actinobacteria, Bacteroidetes, and Gemmatimonadetes were the predominant phyla in the sites of interest. Sphingomonas, Gemmatimonas, Lysobacter, Flavisolibacter, and Chitinophaga were heavy metal-/metalloid-tolerant microbial groups with potential for bioremediation of the heavy metal/metalloid contaminated soils. However, the bacterial diversity was different for the different sites. The contents of heavy metal/metalloid species and the soil properties were studied to evaluate the effect on the soil bacterial communities. The Mantel test revealed that soil pH, total cadmium (T-Cd), and available arsenic played a vital role in determining the structure of the microbial communities. Further, we analyzed statistically the heavy metals/metalloids and the soil properties, and the results revealed that the microbial richness and diversity were regulated mainly by the soil properties, which correlated positively with organic matter and available nitrogen, while available phosphorus and available potassium were negatively correlated. The functional annotation of the prokaryotic taxa (FAPROTAX) method was used to predict the function of the microbial communities. Chemoheterotrophy and airborne chemoheterotrophy of the main microbial community functions were inhibited by soil pH and the heavy metals/metalloids, except in the case of available lead. Mantel tests revealed that T-Cd and available zinc were the dominant factors affecting the functions of the microbial communities. Overall, the research indicated that in contaminated soils, the presence of multiple heavy metals/metalloids, and the soil properties synergistically shaped the structure and function of the microbial communities.

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Nickel Toxicity and Tolerance in Plants

Helaoui,

Mkhinini,

Boughattas

et al. 2023

Heavy Metal Toxicity and Tolerance in Plants

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A comprehensive survey on the horizontal and vertical distribution of heavy metals and microorganisms in soils of a Pb/Zn smelter

Cited by 185 publications

References 76 publications

Spatial Variation in Microbial Community in Response to As and Pb Contamination in Paddy Soils Near a Pb-Zn Mining Site

Spatial Variation in Microbial Community in Response to As and Pb Contamination in Paddy Soils Near a Pb-Zn Mining Site

Effects of Heavy Metals/Metalloids and Soil Properties on Microbial Communities in Farmland in the Vicinity of a Metals Smelter

Nickel Toxicity and Tolerance in Plants

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