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Zhang C, Liu H, Zhou F, Long X, Liu S, Wu Y. Enhancing remediation efficiency of hyperaccumulators through earthworm addition: Evidence from a pot study on cadmium-contaminated soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 934:173169. [PMID: 38735339 DOI: 10.1016/j.scitotenv.2024.173169] [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: 02/23/2024] [Revised: 04/10/2024] [Accepted: 05/10/2024] [Indexed: 05/14/2024]
Abstract
Soil cadmium (Cd) contamination is an urgent environmental problem, which endangers human health through the food chain. Bioremediation attracted extensive attention around the world due to the high cost-efficiency. However, the remediation efficiency of different plant and earthworm species of soil Cd pollution is still unclear, it is thus of great significance to explore the combined effects of different remediation plants and earthworm species to improve the bioremediation capacity. In the present study, we consequently selected three species of Cd hyperaccumulator plants (vetiver, P. vittata and S. emarginatum) and three species of earthworms (E. fetida P1, E. fetida P2, and P. guillelmi) to compare the differences in Cd accumulation among various earthworm-plant combinations. Results indicated that the changes of soil pH and SOM in plant-animal combined application induced the higher soil Cd removal efficiency. The Cd removal efficiency showed highest in combination groups P. vittata-E. fetida P2 and P. vittata-P. guillelmi. Meanwhile, the improvements of biomass of plants and animals also were consistent with the increasing of Cd concentration in both plants and earthworms after combined application. It showed that the Cd concentrations in P. vittata were the highest while the TFs of Cd in S. emarginatum displays significantly more than that in others. In conclusion, the recommended combined system of earthworm-plant (P. vittata-E. fetida P2 and P. vittata-P. guillelmi) to provide reference for soil Cd bioremediation system in practice.
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Affiliation(s)
- Chengming Zhang
- College of Chemistry and Life Sciences, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources, Chengdu Normal University, Chengdu 611130, China; Sichuan Philosophy and Social Key Laboratory of Monitoring and Assessing for Rural Land Utilization, Chengdu Normal University, Chengdu 611130, China
| | - Hongling Liu
- College of Chemistry and Life Sciences, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources, Chengdu Normal University, Chengdu 611130, China
| | - Fengwu Zhou
- Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China; Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Geography, Nanjing Normal University, Nanjing 210023, China
| | - Xizi Long
- School of the Key Laboratory of Typical Environmental Pollution and Health Hazards of Hunan Province, School of Basic Medicine, School of Public Health, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Songqing Liu
- College of Chemistry and Life Sciences, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources, Chengdu Normal University, Chengdu 611130, China; Sichuan Philosophy and Social Key Laboratory of Monitoring and Assessing for Rural Land Utilization, Chengdu Normal University, Chengdu 611130, China
| | - Yong Wu
- College of Chemistry and Life Sciences, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources, Chengdu Normal University, Chengdu 611130, China; Sichuan Philosophy and Social Key Laboratory of Monitoring and Assessing for Rural Land Utilization, Chengdu Normal University, Chengdu 611130, China.
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Ren J, Zheng C, Yong Y, Lin Z, Zhu A, He C, Pan H. Effect and mechanism of kaolinite loading amorphous zero-valent iron to stabilize cadmium in soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166319. [PMID: 37586509 DOI: 10.1016/j.scitotenv.2023.166319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/12/2023] [Accepted: 08/13/2023] [Indexed: 08/18/2023]
Abstract
Amorphousness effectively improves the electron transfer rate of zero-valent iron. In this study, a novel kaolinite loading amorphous zero-valent iron composite (K-AZVI) was prepared and applied to the remediation of soils with cadmium (Cd) pollution concentrations of 20, 50, and 100 mg/kg respectively. The results showed that the application of K-AZVI increased the pH and cation exchange capacity (CEC) of soil, and decreased the dissolved organic carbon (DOC) and organic matter (OM) of soil, thus indirectly promoting the adsorption of Cd in the soil. After 28 days of stabilization, the stabilizing efficiency of K-AZVI on the water-soluble Cd content in soil reached 98.72 %. Under the amendment of 0.25 %-1.0 % (w/w), the available Cd content in 20-100 mg/kg contaminated soil decreased by 46.47 %-62.23 %, 24.10 %-41.52 %, and 16.09 %-30.51 % respectively compared with CK. More importantly, the addition of K-AZVI promoted the transformation of 33.18 %-48.42 % exchangeable fraction (EXC) to 10.09 %-20.14 % residual fraction (RES), which increased the abundance and diversity of soil bacterial communities. Comprehensive risk assessment showed that adding 1.0 % K-AZVI provided the best remediation on contaminated soil. In addition, the results of scanning electron microscopy (SEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) of K-AZVI before and after the reaction showed that the stabilization mechanism of K-AZVI to Cd in soil is mainly the stable metal species (Cd(OH)2, CdO and CdFe2O4) formed by the direct complexation and coprecipitation of a large number of iron oxides formed by the rapid corrosion of amorphous zero-valent iron (AZVI). Overall, this work provides a promising approach to the remediation of Cd-contaminated soil using K-AZVI composites.
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Affiliation(s)
- Jieling Ren
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Chunli Zheng
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China; Shaanxi Qingling Chunchuang Environmental Protection Industry Technology Co., Ltd., Xi'an 710049, PR China.
| | - Yingying Yong
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Zishen Lin
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Aibin Zhu
- Institute of Robotics & Intelligent Systems, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Chi He
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Hua Pan
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, College of Biological and Environment Engineering, Zhejiang Shuren University, Hangzhou 310015, PR China.
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Singh A, Mazahar S, Chapadgaonkar SS, Giri P, Shourie A. Phyto-microbiome to mitigate abiotic stress in crop plants. Front Microbiol 2023; 14:1210890. [PMID: 37601386 PMCID: PMC10433232 DOI: 10.3389/fmicb.2023.1210890] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 07/11/2023] [Indexed: 08/22/2023] Open
Abstract
Plant-associated microbes include taxonomically diverse communities of bacteria, archaebacteria, fungi, and viruses, which establish integral ecological relationships with the host plant and constitute the phyto-microbiome. The phyto-microbiome not only contributes in normal growth and development of plants but also plays a vital role in the maintenance of plant homeostasis during abiotic stress conditions. Owing to its immense metabolic potential, the phyto-microbiome provides the host plant with the capability to mitigate the abiotic stress through various mechanisms like production of antioxidants, plant growth hormones, bioactive compounds, detoxification of harmful chemicals and toxins, sequestration of reactive oxygen species and other free radicals. A deeper understanding of the structure and functions of the phyto-microbiome and the complex mechanisms of phyto-microbiome mediated abiotic stress mitigation would enable its utilization for abiotic stress alleviation of crop plants and development of stress-resistant crops. This review aims at exploring the potential of phyto-microbiome to alleviate drought, heat, salinity and heavy metal stress in crop plants and finding sustainable solutions to enhance the agricultural productivity. The mechanistic insights into the role of phytomicrobiome in imparting abiotic stress tolerance to plants have been summarized, that would be helpful in the development of novel bioinoculants. The high-throughput modern approaches involving candidate gene identification and target gene modification such as genomics, metagenomics, transcriptomics, metabolomics, and phyto-microbiome based genetic engineering have been discussed in wake of the ever-increasing demand of climate resilient crop plants.
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Affiliation(s)
- Anamika Singh
- Department of Botany, Maitreyi College, University of Delhi, New Delhi, India
| | - Samina Mazahar
- Department of Botany, Dyal Singh College, University of Delhi, New Delhi, India
| | - Shilpa Samir Chapadgaonkar
- Department of Biosciences and Technology, Dr. Vishwanath Karad MIT World Peace University, Pune, Maharashtra, India
| | - Priti Giri
- Department of Botany, Maitreyi College, University of Delhi, New Delhi, India
| | - Abhilasha Shourie
- Department of Biotechnology, Faculty of Engineering and Technology, Manav Rachna International Institute of Research and Studies, Faridabad, India
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Afridi MS, Ali S, Salam A, César Terra W, Hafeez A, Ali B, S AlTami M, Ameen F, Ercisli S, Marc RA, Medeiros FHV, Karunakaran R. Plant Microbiome Engineering: Hopes or Hypes. BIOLOGY 2022; 11:biology11121782. [PMID: 36552290 PMCID: PMC9774975 DOI: 10.3390/biology11121782] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 12/13/2022]
Abstract
Rhizosphere microbiome is a dynamic and complex zone of microbial communities. This complex plant-associated microbial community, usually regarded as the plant's second genome, plays a crucial role in plant health. It is unquestioned that plant microbiome collectively contributes to plant growth and fitness. It also provides a safeguard from plant pathogens, and induces tolerance in the host against abiotic stressors. The revolution in omics, gene-editing and sequencing tools have somehow led to unravel the compositions and latent interactions between plants and microbes. Similarly, besides standard practices, many biotechnological, (bio)chemical and ecological methods have also been proposed. Such platforms have been solely dedicated to engineer the complex microbiome by untangling the potential barriers, and to achieve better agriculture output. Yet, several limitations, for example, the biological obstacles, abiotic constraints and molecular tools that capably impact plant microbiome engineering and functionality, remained unaddressed problems. In this review, we provide a holistic overview of plant microbiome composition, complexities, and major challenges in plant microbiome engineering. Then, we unearthed all inevitable abiotic factors that serve as bottlenecks by discouraging plant microbiome engineering and functionality. Lastly, by exploring the inherent role of micro/macrofauna, we propose economic and eco-friendly strategies that could be harnessed sustainably and biotechnologically for resilient plant microbiome engineering.
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Affiliation(s)
- Muhammad Siddique Afridi
- Department of Plant Pathology, Federal University of Lavras, (UFLA), Lavras 37200-900, MG, Brazil
| | - Sher Ali
- Department of Food Engineering, Faculty of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga 13635-900, SP, Brazil
| | - Abdul Salam
- Zhejiang Key Laboratory of Crop Germplasm, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Willian César Terra
- Department of Plant Pathology, Federal University of Lavras, (UFLA), Lavras 37200-900, MG, Brazil
| | - Aqsa Hafeez
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Baber Ali
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Mona S AlTami
- Biology Department, College of Science, Qassim University, Burydah 52571, Saudi Arabia
| | - Fuad Ameen
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Sezai Ercisli
- Department of Horticulture, Faculty of Agriculture, Ataturk University, 25240 Erzurum, Turkey
| | - Romina Alina Marc
- Food Engineering Department, Faculty of Food Science and Technology, University of Agricultural Science and Veterinary Medicine Cluj-Napoca, 3-5 Calea Mănă ̧stur Street, 400372 Cluj-Napoca, Romania
| | - Flavio H V Medeiros
- Department of Plant Pathology, Federal University of Lavras, (UFLA), Lavras 37200-900, MG, Brazil
| | - Rohini Karunakaran
- Unit of Biochemistry, Centre of Excellence for Biomaterials Engineering, Faculty of Medicine, AIMST University, Semeling, Bedong 08100, Malaysia
- Department of Computational Biology, Institute of Bioinformatics, Saveetha School of Engineering (SSE), SIMATS, Thandalam, Chennai 602105, Tamil Nadu, India
- Centre of Excellence for Biomaterials Science, AIMST University, Semeling, Bedong 08100, Malaysia
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Afridi MS, Fakhar A, Kumar A, Ali S, Medeiros FHV, Muneer MA, Ali H, Saleem M. Harnessing microbial multitrophic interactions for rhizosphere microbiome engineering. Microbiol Res 2022; 265:127199. [PMID: 36137486 DOI: 10.1016/j.micres.2022.127199] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 07/02/2022] [Accepted: 09/13/2022] [Indexed: 10/14/2022]
Abstract
The rhizosphere is a narrow and dynamic region of plant root-soil interfaces, and it's considered one of the most intricate and functionally active ecosystems on the Earth, which boosts plant health and alleviates the impact of biotic and abiotic stresses. Improving the key functions of the microbiome via engineering the rhizosphere microbiome is an emerging tool for improving plant growth, resilience, and soil-borne diseases. Recently, the advent of omics tools, gene-editing techniques, and sequencing technology has allowed us to unravel the entangled webs of plant-microbes interactions, enhancing plant fitness and tolerance to biotic and abiotic challenges. Plants secrete signaling compounds with low molecular weight into the rhizosphere, that engage various species to generate a massive deep complex array. The underlying principle governing the multitrophic interactions of the rhizosphere microbiome is yet unknown, however, some efforts have been made for disease management and agricultural sustainability. This review discussed the intra- and inter- microbe-microbe and microbe-animal interactions and their multifunctional roles in rhizosphere microbiome engineering for plant health and soil-borne disease management. Simultaneously, it investigates the significant impact of immunity utilizing PGPR and cover crop strategy in increasing rhizosphere microbiome functions for plant development and protection using omics techniques. The ecological engineering of rhizosphere plant interactions could be used as a potential alternative technology for plant growth improvement, sustainable disease control management, and increased production of economically significant crops.
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Affiliation(s)
- Muhammad Siddique Afridi
- Department of Plant Pathology, Federal University of Lavras, CP3037, 37200-900 Lavras, MG, Brazil.
| | - Ali Fakhar
- Division of Applied Science, Gyeongsang National University, South Korea
| | - Ashwani Kumar
- Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar 470003, MP, India
| | - Sher Ali
- NMR Lab, Department of Chemistry, Federal University of Paraná, Curitiba 81530-900, PR, Brazil
| | - Flavio H V Medeiros
- Department of Plant Pathology, Federal University of Lavras, CP3037, 37200-900 Lavras, MG, Brazil
| | - Muhammad Atif Muneer
- International Magnesium Institute, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Hina Ali
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Muhammad Saleem
- Department of Biological Sciences, Alabama State University, Montgomery, AL 36104, USA
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Zhang M, Jouquet P, Dai J, Xiao L, Du Y, Liu K, Motelica-Heino M, Lavelle P, Zhong H, Zhang C. Assessment of bioremediation potential of metal contaminated soils (Cu, Cd, Pb and Zn) by earthworms from their tolerance, accumulation and impact on metal activation and soil quality: A case study in South China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 820:152834. [PMID: 34999072 DOI: 10.1016/j.scitotenv.2021.152834] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 12/15/2021] [Accepted: 12/28/2021] [Indexed: 06/14/2023]
Abstract
This study was aimed to evaluate the potential of four earthworm species commonly found in South China for the bioremediation of soils contaminated by Cu, Cd, Pb and Zn. Survival rates and metal accumulation of Eisenia fetida, Amynthas morrisi, A. robustus and A. corticis and changes in soil physico-chemical properties were investigated in a 60-day incubation experiment with a metal-polluted soil. At the end of the experiment, the survival rates of E. fetida, A. morrisi and A. robustus were significantly higher than that of A. corticis. Principal component analysis showed that earthworm activity improved soil quality with the averaging soil quality index being 0.66, 0.64, 0.56, 0.53, and 0.12 for the A. corticis, A. morrisi, A. robustus, E. fetida, and control treatments, respectively. The highest total available Cd, Cu, and Pb in casts were found in the treatment with A. morrisi, and this species accumulated the smallest amount of metals. Results indicate that A. morrisi may be the best candidate for earthworm-assisted bioremediation of metal contaminated soils in South China.
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Affiliation(s)
- Menghao Zhang
- Key Laboratory of the Ministry of Agriculture for Arable Land Conservation in South China/Centre of Land consolidation and soil bioremediation, College of Natural Resources and Environment, South China Agricultural University, 510642 Guangzhou, China
| | - Pascal Jouquet
- Sorbonne Université, UPEC, CNRS, IRD, INRAE, Institut d'Ecologie et des Sciences de l'Environnement, IESS, 93143 Bondy, France
| | - Jun Dai
- Key Laboratory of the Ministry of Agriculture for Arable Land Conservation in South China/Centre of Land consolidation and soil bioremediation, College of Natural Resources and Environment, South China Agricultural University, 510642 Guangzhou, China
| | - Ling Xiao
- Key Laboratory of the Ministry of Agriculture for Arable Land Conservation in South China/Centre of Land consolidation and soil bioremediation, College of Natural Resources and Environment, South China Agricultural University, 510642 Guangzhou, China
| | - Yan Du
- Key Laboratory of the Ministry of Agriculture for Arable Land Conservation in South China/Centre of Land consolidation and soil bioremediation, College of Natural Resources and Environment, South China Agricultural University, 510642 Guangzhou, China
| | - Kexue Liu
- Department of Resources and the Urban Planning, Xinhua College of Sun Yat-sen University, Guangzhou 510520, China
| | | | - Patrick Lavelle
- Sorbonne Université, UPEC, CNRS, IRD, INRAE, Institut d'Ecologie et des Sciences de l'Environnement, IESS, 93143 Bondy, France
| | - Hesen Zhong
- Key Laboratory of the Ministry of Agriculture for Arable Land Conservation in South China/Centre of Land consolidation and soil bioremediation, College of Natural Resources and Environment, South China Agricultural University, 510642 Guangzhou, China
| | - Chi Zhang
- Key Laboratory of the Ministry of Agriculture for Arable Land Conservation in South China/Centre of Land consolidation and soil bioremediation, College of Natural Resources and Environment, South China Agricultural University, 510642 Guangzhou, China.
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Burrowing activity by large hairy armadillos (Chaetophractus villosus) increases in plots under no-till farming. Mamm Biol 2021. [DOI: 10.1007/s42991-021-00140-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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