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Shi J, Jiang L, Yang J, Guo Z, Li K, Peng Y, Ibrahim N, Liu H, Liang Y, Yin H, Liu X. Transport Behavior of Cd 2+ in Highly Weathered Acidic Soils and Shaping in Soil Microbial Community Structure. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2024; 86:73-89. [PMID: 38117305 DOI: 10.1007/s00244-023-01046-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 11/25/2023] [Indexed: 12/21/2023]
Abstract
The mining and smelting site soils in South China present excessive Cd pollution. However, the transport behavior of Cd in the highly weathered acidic soil layer at the lead-zinc smelting site remains unclear. Here, under different conditions of simulated infiltration, the migration behavior of Cd2+ in acid smelting site soils at different depths was examined. The remodeling effect of Cd2+ migration behavior on microbial community structure and the dominant microorganisms in lead-zinc sites soils was analyzed using high-throughput sequencing of 16S rRNA gene amplicons. The results revealed a specific flow rate in the range of 0.3-0.5 mL/min that the convection and dispersion have no obvious effect on Cd2+ migration. The variation of packing porosity could only influence the migration behavior by changing the average pore velocity, but cannot change the adsorption efficiency of soil particles. The Cd has stronger migration capacity under the reactivation of acidic seepage fluid. However, in the alkaline solution, the physical properties of soil, especially pores, intercept the Cd compounds, further affecting their migration capacity. The acid-site soil with high content of SOM, amorphous Fe oxides, crystalline Fe/Mn/Al oxides, goethite, and hematite has stronger ability to adsorb and retain Cd2+. However, higher content of kaolinite in acidic soil will increase the potential migration of Cd2+. Besides, the migration behavior of Cd2+ results in simplified soil microbial communities. Under Cd stress, Cd-tolerant genera (Bacteroides, Sphingomonas, Bradyrhizobium, and Corynebacterium) and bacteria with both acid-Cd tolerance (WCHB 1-84) were distinguished. The Ralstonia showed a high enrichment degree in alkaline Cd2+ infiltration solution (pH 10.0). Compared to the influence of Cd2+ stress, soil pH had a stronger ability to shape the microbial community in the soil during the process of Cd2+ migration.
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Affiliation(s)
- Jiaxin Shi
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China
| | - Luhua Jiang
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China.
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China.
| | - Jiejie Yang
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China
| | - Ziwen Guo
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China
| | - Kewei Li
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China
| | - Yulong Peng
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China
| | - Nazidi Ibrahim
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China
| | - Hongwei Liu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China
| | - Yili Liang
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China
| | - Huaqun Yin
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China
| | - Xueduan Liu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
- Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, 410083, China
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Li X, Gao Y, Ning X, Li Z. Research progress and hotspots on microbial remediation of heavy metal-contaminated soil: a systematic review and future perspectives. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:118192-118212. [PMID: 37936038 DOI: 10.1007/s11356-023-30655-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/20/2023] [Indexed: 11/09/2023]
Abstract
Microbial remediation technology has received much attention as a green, ecological, and inexpensive technology, and there is great potential for the application of microbial remediation technology for heavy metals (HMs) contaminated soil alone and in conjunction with other technologies in environmental remediation. To gain an in-depth understanding of the latest research progress, research hotspots, and development trends on microbial remediation of HMs-contaminated soil, and to objectively reflect the scientific contributions and impacts of relevant countries/regions, institutions, and individuals of this field, in this manuscript, ISI Web of Knowledge's Web of Science™ core collection database, data visualization, and analysis software Bibliometrix, VOSviewer, and HistCite Pro were used to collect and analyze the relevant literature from 2000 to 2022, and 1409 publications were subjected to scientometric analyses. It involved 327 journals, 5150 authors, 75 countries/regions, and 2740 keywords. The current progress and hotspots on microbial remediation of HMs-contaminated soil since the twenty-first century were analyzed in terms of the top 10 most productive countries (regions), high-yielding authors, source journals, important research institutions, and hotspots of research directions. Over the past 22 years, China, India, and the USA have been the countries with the most articles. The institution and author with the most publications are the Chinese Acad Sci and Zhu YG, respectively. Journal of Hazardous Materials is the most productive journal. The keywords showed 6 co-occurrence clusters. These findings revealed the research hotspots, knowledge gaps, and future exploration trends related to microbial remediation of HMs-contaminated soil.
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Affiliation(s)
- Xianhong Li
- Hangzhou Institute of National Extremely-weak Magnetic Field Infrastructure, Hangzhou, 310028, China
- School of Instrumentation and Optoelectronics Engineering, Beihang University, Beijing, 100191, China
| | - Yang Gao
- Hangzhou Institute of National Extremely-weak Magnetic Field Infrastructure, Hangzhou, 310028, China
- School of Instrumentation and Optoelectronics Engineering, Beihang University, Beijing, 100191, China
| | - Xiaolin Ning
- Hangzhou Institute of National Extremely-weak Magnetic Field Infrastructure, Hangzhou, 310028, China
- School of Instrumentation and Optoelectronics Engineering, Beihang University, Beijing, 100191, China
| | - Zhonghong Li
- School Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture, Beijing, 100044, China.
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Chen C, Dong Y, Thompson A. Electron Transfer, Atom Exchange, and Transformation of Iron Minerals in Soils: The Influence of Soil Organic Matter. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023. [PMID: 37449758 DOI: 10.1021/acs.est.3c01876] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Despite substantial experimental evidence of electron transfer, atom exchange, and mineralogical transformation during the reaction of Fe(II)aq with synthetic Fe(III) minerals, these processes are rarely investigated in natural soils. Here, we used an enriched Fe isotope approach and Mössbauer spectroscopy to evaluate how soil organic matter (OM) influences Fe(II)/Fe(III) electron transfer and atom exchange in surface soils collected from Luquillo and Calhoun Experimental Forests and how this reaction might affect Fe mineral composition. Following the reaction of 57Fe-enriched Fe(II)aq with soils for 33 days, Mössbauer spectra demonstrated marked electron transfer between sorbed Fe(II) and the underlying Fe(III) oxides in soils. Comparing the untreated and OM-removed soils indicates that soil OM largely attenuated Fe(II)/Fe(III) electron transfer in goethite, whereas electron transfer to ferrihydrite was unaffected. Soil OM also reduced the extent of Fe atom exchange. Following reaction with Fe(II)aq for 33 days, no measurable mineralogical changes were found for the Calhoun soils enriched with high-crystallinity goethite, while Fe(II) did drive an increase in Fe oxide crystallinity in OM-removed LCZO soils having low-crystallinity ferrihydrite and goethite. However, the presence of soil OM largely inhibited Fe(II)-catalyzed increases in Fe mineral crystallinity in the LCZO soil. Fe atom exchange appears to be commonplace in soils exposed to anoxic conditions, but its resulting Fe(II)-induced recrystallization and mineral transformation depend strongly on soil OM content and the existing soil Fe phases.
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Affiliation(s)
- Chunmei Chen
- School of Earth System Science, Tianjin University, Tianjin 300072, China
| | - Yanjun Dong
- School of Earth System Science, Tianjin University, Tianjin 300072, China
| | - Aaron Thompson
- Department of Crop and Soil Sciences, University of Georgia, Athens, Georgia 30602, United States
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Zhao F, Saleem M, Xie Z, Wei X, He T, He G. Sensitive or tolerant functional microorganisms under cadmium stress: suggesting potential specific interaction network characteristics in the rhizosphere system of karst potato. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:55932-55947. [PMID: 36913018 DOI: 10.1007/s11356-023-26115-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
The heavy metal cadmium (Cd) pollution in Chinese karst soils threatens food security, and microorganisms play an important role in regulating the migration and transformation of Cd in the soil-plant system. Nevertheless, the interaction characteristics between key microbial communities and environmental factors in response to Cd stress in specific crop environmental systems need to be explored. In this study, the soil (ferralsols)-microbe-crop (potato) system was taken as the object to explore the potato rhizosphere microbiome, using toxicology and molecular biology approaches, to explore the potato rhizosphere soil properties, microbial stress characteristics, and important microbial taxa under Cd stress. We hypothesized that different members of fungal and bacterial microbiome would regulate the resilience of potato rhizosphere and plants to Cd stress in the soil environment. Meanwhile, individual taxa will have different roles in the contaminated rhizosphere ecosystem. We found that soil pH was the main environmental factor affecting fungal community structure; urea-decomposing and nitrate-reducing functional bacteria as well as endosymbiotic and saprophytic functional fungi gradually decreased. In particular, Basidiomycota may play a key role in preventing the migration of Cd from the soil to plants (potato). These findings provide important candidates for screening the cascade of Cd inhibition (detoxification/regulation) from soil to microorganisms to plants. Our work provides an important foundation and research insights for the application of microbial remediation technology in the karst cadmium-contaminated farmland.
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Affiliation(s)
- Fulin Zhao
- College of Agricultural, Guizhou University, Guiyang, 550025, People's Republic of China
| | - Muhammad Saleem
- Department of Biological Sciences, Alabama State University, Montgomery, AL, 36104, USA
| | - Zhao Xie
- Soil and Fertilizer Station of Guizhou Province, Guiyang, People's Republic of China
| | - Xiaoliao Wei
- College of Agricultural, Guizhou University, Guiyang, 550025, People's Republic of China
| | - Tengbing He
- College of Agricultural, Guizhou University, Guiyang, 550025, People's Republic of China
- Institute of New Rural Development of Guizhou University, Guiyang, 550025, People's Republic of China
- Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang, 550025, People's Republic of China
| | - Guandi He
- College of Agricultural, Guizhou University, Guiyang, 550025, People's Republic of China.
- Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang, 550025, People's Republic of China.
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