Characterization of physicochemical parameters and bioavailable heavy metals and their interactions with microbial community in arsenic-contaminated soils and sediments

Lin, Guobing; Wang, Kai; He, Xiao-Song; Yang, Zhaoguang; Lin, Wei

doi:10.1007/s11356-022-19395-5

Cited by 12 publications

(5 citation statements)

References 51 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This result supported the views from Gubry-Rangin et al (2010) , who revealed that pH plays a dominant role in driving the abundance and distribution of soil archaea. A slight increase in soil pH can cause a decrease in soil Cr mobility and reduce its bioavailability to plants ( Shahid et al, 2017 ; Lin et al, 2022 ), which may be helpful in reducing Cr stress on soil microbes. These results may be partly due to relatively narrow pH ranges for optimal microbial growth ( Rousk et al, 2010 ).…”

Section: Discussionmentioning

confidence: 99%

Characterization of the composition, structure, and functional potential of bamboo rhizosphere archaeal communities along a chromium gradient

Zhang,

Li,

Zhong

et al. 2024

Front. Microbiol.

View full text Add to dashboard Cite

IntroductionBamboo can be used in the phytoremediation of heavy metal pollution. However, the characteristics of the bamboo rhizosphere archaeal community in Cr-contaminated soil under field conditions remain unclear.MethodsIn this study, high-throughput sequencing was used to examine the rhizosphere soil archaeal communities of Lei bamboo (Phyllostachys precox) plantations along a Cr pollution gradient.ResultsThe results revealed U-shaped relationships between Cr [total Cr (TCr) or HCl-extractable Cr (ACr)] and two alpha indices (Chao1 and Shannon) of archaea. We also established that high Cr concentrations were associated with a significant increase in the abundance of Thaumarchaeota and significant reductions in the abundances of Crenarchaeota and Euryarchaeota. The archaeal co-occurrence networks reduced in complexity with Cr pollution, decreasing the community’s resistance to environmental disturbance. Candidatus nitrosotalea and Nitrososphaeraceae_unclassified (two genera of Thaumarchaeota) were identified as keystone taxa. The community structure of soil archaeal communities was also found to be affected by TCr, ACr, pH, total organic C, and available nutrient (N, P, and K) concentrations, with pH being identified as the most reliable predictor of the archaeal community in assessed soils.DiscussionThese findings enhance our understanding of microbial responses to Cr pollution and provide a basis for developing more refined approaches for the use of bamboo in the remediation of Cr-contaminated soils.

show abstract

Section: Discussionmentioning

confidence: 99%

Characterization of the composition, structure, and functional potential of bamboo rhizosphere archaeal communities along a chromium gradient

Zhang,

Li,

Zhong

et al. 2024

Front. Microbiol.

View full text Add to dashboard Cite

show abstract

“…Previous studies have demonstrated a similar result, showing that enrichment of Acidobacteriota can decrease Cd concentration in plants and enhance the uptake of mineral elements by plants [ 63 ]. The number of PTEs in plants was positively correlated with the bacterial phylum Firmicutes, and a competitive relationship between Acidobacteriota and Firmicutes in the dominant bacterial species was found [ 64 , 65 ]. In addition, contents of both Cd and As in the rhizosphere were negatively correlated with the dominant bacterial phylum Firmicutes, indicating that Firmicutes are sensitive to the contents of Cd and As [ 55 ].…”

Section: Discussionmentioning

confidence: 99%

Combination of Biochar and Trichoderma harzianum Can Improve the Phytoremediation Efficiency of Brassica juncea and the Rhizosphere Micro-Ecology in Cadmium and Arsenic Contaminated Soil

Yao

Zhou

Duan

et al. 2023

Plants

View full text Add to dashboard Cite

Phytoremediation is an environment-friendly method for toxic elements remediation. The aim of this study was to improve the phytoremediation efficiency of Brassica juncea and the rhizosphere soil micro-ecology in cadmium (Cd) and arsenic (As) contaminated soil. A field experiment was conducted with six treatments, including a control treatment (CK), two treatments with two contents of Trichoderma harzianum (T1: 4.5 g m−2; T2: 9 g m−2), one biochar treatment (B: 750 g m−2), and two combined treatments of T1B and T2B. The results showed Trichoderma harzianum promoted the total chlorophyll and translocation factor of Brassica juncea, while biochar promoted plant biomass compared to CK. T2B treatment showed the best results, which significantly increased Cd accumulation by 187.49–308.92%, and As accumulation by 125.74–221.43%. As a result, the soil’s total Cd content was reduced by 19.04% to 49.64% and total As contents by 38.76% to 53.77%. The combined amendment increased the contents of soil available potassium, phosphorus, nitrogen, and organic matter. Meanwhile, both the activity of glutathione and peroxidase enzymes in plants, together with urease and sucrase enzymes in soil, were increased. Firmicutes (dominant bacterial phylum) and Ascomycota (dominant fungal phylum) showed positive and close correlation with soil nutrients and plant potentially toxic elements contents. This study demonstrated that phytoremediation assisted by biochar and Trichoderma harzianum is an effective method of soil remediation and provides a new strategy for enhancing plant remediation efficiency.

show abstract

“…On the other hand, high Fe and Mn contents were observed in the sediment layer with high As contents in borehole C1, showing very significant positive correlations between these elements and As. This finding might be due to the reduction proprieties of Fe and Mn minerals with higher sensitivities and migration rates in the surrounding mountains, thus promoting the transport of As (Sathe et al 2018, Mohapatra et al 2021, Lin et al 2022Su et al 2022. Moreover, borehole C1 of the alluvial lacustrine plain is characterized by finer sediment particles and longer water-rock interaction time, enhancing the reduction of the sediment environment, as microbial metabolic activities lead to a consumption of the dissolved oxygen in the water system, which leads to the reduction reactions of Fe and Mn minerals result in a release of the adsorbed As by sediments.…”

Section: Effects Of Physicochemical Properties Of Sediments On As Mig...mentioning

confidence: 99%

Sediment biogeochemistry and relationship with arsenic in the Kuitun River Basin, Xinjiang, China: influences of microbial community structure and characteristics on arsenic migration

Yang,

Li,

Tao

et al. 2023

Environ. Res. Commun.

View full text Add to dashboard Cite

The microorganisms in sediments play a significant role in Arsenic (As) migration in groundwater systems. However, the impact mechanisms of microbial community structure on As release and enrichment are not completely clear. In this study, the community structure and characteristics of microorganisms in sediments of the Kuitun River Basin were first investigated through field investigation, high-throughput sequencing, and microbial analysis. The obtained results showed that Proteobacteria, Actinobacteria, Firmicutes, and Bacteroidetes were the dominant phyla in the sediments, accounting for 30.23%–87.87%, 3.280%–65.22%, 1.71%–14.37%, and 0.46%–16.67%, respectively. Whereas, Arthrobacter, Acinetobacter, Pseudomonas, and Hydrogenophaga were the main genera in the collected sediments from the Kuitun River Basin, accounting for 1.81%–60.13%, 0.70%–77.24%, 0.21%–35.5%, and 0.38%–26.27%, respectively. Arthrobacter can increase the As contents in the sediments. In contrast, Acinetobacter can both inhibit and promote the release of As from the sediments, while Pseudomonas and Hydrogenophaga can only inhibit the release of As from the sediments. The Variance Inflation Factor (VIF) suggested that Ca, Mg, Mn, Cu, and As were highly correlated with each other. The distance-based redundancy analysis (Db-RDA) analysis demonstrated significant influences of the sediment chemical properties on the microbial activity and community structure in the sediments, according to the following order: Ca > Cu > Mn > Mg > As. Ca2+ and Mn2+ in the environment can influence the growth and metabolism of microorganisms, thus affecting the redox environment and As release from sediments. This study confirmed the interaction that may exist between microorganisms and As. Moreover, this study not only confirmed the interaction between microorganisms and As, but also provided a comprehensive understanding of the effects of the microbial community on the chemical cycle of the groundwater system in the Kuitun River basin. The analysis of the influences of the microbial community on sediment As provided further insights into As release from sediments and As enrichment in groundwater in the study area.

show abstract

Characterization of physicochemical parameters and bioavailable heavy metals and their interactions with microbial community in arsenic-contaminated soils and sediments

Cited by 12 publications

References 51 publications

Characterization of the composition, structure, and functional potential of bamboo rhizosphere archaeal communities along a chromium gradient

Characterization of the composition, structure, and functional potential of bamboo rhizosphere archaeal communities along a chromium gradient

Combination of Biochar and Trichoderma harzianum Can Improve the Phytoremediation Efficiency of Brassica juncea and the Rhizosphere Micro-Ecology in Cadmium and Arsenic Contaminated Soil

Sediment biogeochemistry and relationship with arsenic in the Kuitun River Basin, Xinjiang, China: influences of microbial community structure and characteristics on arsenic migration

Contact Info

Product

Resources

About