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Li M, Chen L, Zhao F, Tang J, Bu Q, Feng Q, Yang L. An innovative risk evaluation method on soil pathogens in urban-rural ecosystem. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132286. [PMID: 37595464 DOI: 10.1016/j.jhazmat.2023.132286] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 07/29/2023] [Accepted: 08/11/2023] [Indexed: 08/20/2023]
Abstract
The presence and reproduction of pathogens in soil environment have significant negative impacts on soil security and human health in urban-rural ecosystem. Rapid urbanization has dramatically changed the land use, soil ecosystems, and the presence of pathogens in soil environment, however, the risk associated with soil pathogens remains unknown. Identifying the potential risk of pathogens in soils in urban-rural ecosystem has become an urgent issue. In this study, we established a risk evaluation method for soil pathogens based on analytic hierarchy process and entropy methods to quantitatively estimate the potential risk of soil pathogens to children and adults in urban-rural ecosystem. The abundance and species number of soil pathogens, network structure of soil microbial community, and human exposure factors were considered with 12 indicators to establish the risk evaluation system. The results revealed that 19 potential pathogenic bacteria were detected in soils within a typical urban-rural ecosystem. Substantial differences were observed in both abundance and species of soil pathogens as well as network structure of soil microbial community from urban to rural areas. Urban areas exhibited relatively lower levels of soil pathogenic abundance, but the microbial network was considerably unstable. Rural areas supported relatively higher levels of soil pathogenic abundance and stable microbial networks. Notably, peri-urban areas showed relatively unstable microbial networks alongside higher levels of soil pathogenic abundance compared to other areas. The risk evaluation of soil pathogens for both adults and children showed that peri-urban areas presented the highest potential risk, with children being more susceptible than adults to threats posed by soil pathogens in both urban and peri-urban areas. The established evaluation system provides an innovative approach for quantifying risk of soil pathogens at regional scale and can be used as a reference for preventing soil pathogens contamination and enhancing soil health in areas with intense human activities.
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Affiliation(s)
- Min Li
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liding Chen
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fangkai Zhao
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; School of Ecology and Environmental Science, Yunnan University, Kunming 650500, China
| | - Jianfeng Tang
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Qingwei Bu
- School of Chemical & Environmental Engineering, China University of Mining & Technology-Beijing, Beijing 100083, China
| | - Qingyu Feng
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lei Yang
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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2
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Xing J, Ma C, Deng X, Chen J, Jiang P, Qin H. Organic pulses and bacterial invasion alleviated by the resilience of soil microbial community. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 259:115050. [PMID: 37235897 DOI: 10.1016/j.ecoenv.2023.115050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/17/2023] [Accepted: 05/19/2023] [Indexed: 05/28/2023]
Abstract
Biogas slurry is a nutrient-rich secondary product of livestock feces digestion which is recycled as a crop plantation fertilizer and provides exogenous microbes to the soil. However, the effects of biogas slurry microbes on the soil resident community remain unknown. In this study, we examined the ecological consequences of long-term biogas slurry pulse on the soil resident community and found that it promoted crop yield and altered soil characteristics. The soil microbial ecosystem was altered as a result of organic amendments due to the exogenous input of microbes and nutrients. Nevertheless, the soil resident communities were highly resilient to long-term organic pulses, as evidenced by community diversity and composition. The two dominant bacterial species in biogas slurry were Sterolibacterium and Clostridium. Notably, the abundance of Clostridium in biogas slurry increased following long-term amendments, while other species such as GP1 and Subdivision3_genera_incertae_sedis decreased; which was consistent with the results of module-eigengene analysis. Long-term organic pulses shifted the balance of microbial community assembly from stochastic to deterministic processes. Overall, our findings indicated that organic pulses accompanied with bacterial invasion could be alleviated by the resilience of soil microbial communities, thereby emphasizing the importance of microbiota assemblage and network architecture.
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Affiliation(s)
- Jiajia Xing
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; College of Environmental and Resource Sciences, Zhejiang A&F University, Hangzhou 311300, China
| | - Chengwei Ma
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; College of Environmental and Resource Sciences, Zhejiang A&F University, Hangzhou 311300, China
| | - Xuhui Deng
- Jiangsu Provincial Key Lab of Solid Organic Waste Utilization, Nanjing Agricultural University, Nanjing 210095, China
| | - Junhui Chen
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; College of Environmental and Resource Sciences, Zhejiang A&F University, Hangzhou 311300, China
| | - Peikun Jiang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; College of Environmental and Resource Sciences, Zhejiang A&F University, Hangzhou 311300, China
| | - Hua Qin
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; College of Environmental and Resource Sciences, Zhejiang A&F University, Hangzhou 311300, China.
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3
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Yan M, Tian H, Song S, Tan HTW, Lee JTE, Zhang J, Sharma P, Tiong YW, Tong YW. Effects of digestate-encapsulated biochar on plant growth, soil microbiome and nitrogen leaching. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 334:117481. [PMID: 36801683 DOI: 10.1016/j.jenvman.2023.117481] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/22/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
The increasing amount of food waste and the excessive use of mineral fertilizers have caused detrimental impacts on soil, water, and air quality. Though digestate derived from food waste has been reported to partially replace fertilizer, its efficiency requires further improvement. In this study, the effects of digestate-encapsulated biochar were comprehensively investigated based on growth of an ornamental plant, soil characteristics, nutrient leaching and soil microbiome. Results showed that except for biochar, the tested fertilizers and soil additives, i.e., digestate, compost, commercial fertilizer, digestate-encapsulated biochar had positive effects on plants. Especially, the digestate-encapsulated biochar had the best effectiveness as evidenced by 9-25% increase in chlorophyll content index, fresh weight, leaf area and blossom frequency. For the effects of fertilizers or soil additives on soil characteristics and nutrient retention, the digestate-encapsulated biochar leached least N-nutrients (<8%), while the compost, digestate and mineral fertilizer leached up to 25% N-nutrients. All the treatments had minimal effects on the soil properties of pH and electrical conductivity. According to the microbial analysis, the digestate-encapsulated biochar has the comparable role with compost in improving the soil immune system against pathogen infection. The metagenomics coupling with qPCR analysis suggested that digestate-encapsulated biochar boosted the nitrification process and inhibited the denitrification process. This study provides an extensive understanding into the impacts of the digestate-encapsulated biochar on an ornamental plant and offers practical implications for the choice of sustainable fertilizers or soil additives and food-waste digestate management.
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Affiliation(s)
- Miao Yan
- Laboratory of Biomass Bio-chemical Conversion, Guang Zhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, 510640, PR China; Environmental Research Institute, National University of Singapore, Singapore
| | - Hailin Tian
- Environmental Research Institute, National University of Singapore, Singapore; Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Shuang Song
- Department of Biological Sciences, National University of Singapore, Singapore
| | - Hugh T W Tan
- Department of Biological Sciences, National University of Singapore, Singapore
| | - Jonathan T E Lee
- Environmental Research Institute, National University of Singapore, Singapore; Energy and Environmental Sustainability for Megacities (E2S2), Campus for Research Excellence and Technological Enterprise (CREATE), 1 Create Way, Singapore, 138602, Singapore
| | - Jingxin Zhang
- China-UK Low Carbon College, Shanghai Jiao Tong University, Shanghai, 201306, PR China
| | - Pooja Sharma
- Environmental Research Institute, National University of Singapore, Singapore
| | - Yong Wei Tiong
- Environmental Research Institute, National University of Singapore, Singapore
| | - Yen Wah Tong
- Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore.
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4
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Shang Z, Wang Y, An M, Chen X, Kulyar MFEA, Tan Z, Liu S, Li K. The successional trajectory of bacterial and fungal communities in soil are fabricated by yaks’ excrement contamination in plateau, China. Front Microbiol 2022; 13:1016852. [DOI: 10.3389/fmicb.2022.1016852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 10/31/2022] [Indexed: 11/19/2022] Open
Abstract
The soil microbiome is crucial in determining contemporary realistic conditions for future terrestrial ecological and evolutionary development. However, the precise mechanism between the fecal deposition in livestock grazing and changes in the soil microbiome remains unknown. This is the first in-depth study of bacterial and fungal taxonomic changes of excrement contaminated soils in the plateau (>3,500 m). This suggests the functional shifts towards a harmful-dominated soil microbiome. According to our findings, excrement contamination significantly reduced the soil bacterial and fungal diversity and richness. Furthermore, a continuous decrease in the relative abundance of microorganisms was associated with nutrient cycling, soil pollution purification, and root-soil stability with the increasing degree of excrement contamination. In comparison, soil pathogens were found to have the opposite trend in the scenario, further deteriorating normal soil function and system resilience. Such colonization and succession of the microbiome might provide an important potential theoretical instruction for microbiome-based soil health protection measures in the plateau of China.
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5
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A Flashforward Look into Solutions for Fruit and Vegetable Production. Genes (Basel) 2022; 13:genes13101886. [PMID: 36292770 PMCID: PMC9602186 DOI: 10.3390/genes13101886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/26/2022] [Accepted: 10/13/2022] [Indexed: 12/02/2022] Open
Abstract
One of the most important challenges facing current and future generations is how climate change and continuous population growth adversely affect food security. To address this, the food system needs a complete transformation where more is produced in non-optimal and space-limited areas while reducing negative environmental impacts. Fruits and vegetables, essential for human health, are high-value-added crops, which are grown in both greenhouses and open field environments. Here, we review potential practices to reduce the impact of climate variation and ecosystem damages on fruit and vegetable crop yield, as well as highlight current bottlenecks for indoor and outdoor agrosystems. To obtain sustainability, high-tech greenhouses are increasingly important and biotechnological means are becoming instrumental in designing the crops of tomorrow. We discuss key traits that need to be studied to improve agrosystem sustainability and fruit yield.
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Liu X, Liu L, Gong J, Zhang L, Jiang Q, Huang K, Ding W. Soil conditions on bacterial wilt disease affect bacterial and fungal assemblage in the rhizosphere. AMB Express 2022; 12:110. [PMID: 36036292 PMCID: PMC9424452 DOI: 10.1186/s13568-022-01455-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 08/22/2022] [Indexed: 11/10/2022] Open
Abstract
Natural soil has the ability to suppress the soil-borne pathogen to a certain extent, and the assemblage of soil microbiome plays a crucial role in maintaining such ability. Long-term monoculture accelerates the forms of soil microbiome and leads to either disease conducive or suppressive soils. Here, we explored the impact of soil conditions on bacterial wilt disease (healthy or diseased) under long-term tobacco monoculture on the assemblage of bacterial and fungal communities in bulk and rhizosphere soils during the growth periods. With Illumina sequencing, we compared the bacterial and fungal composition of soil samples from tobacco bacterial wilt diseased fields and healthy fields in three growth periods. We found that Proteobacteria and Ascomycota were the most abundant phylum for bacteria and fungi, respectively. Factors of soil conditions and tobacco growth periods can significantly influence the microbial composition in bulk soil samples, while the factor of soil conditions mainly determined the microbial composition in rhizosphere soil samples. Next, rhizosphere samples were further analyzed with LEfSe to determine the discriminative taxa affected by the factor of soil conditions. For bacteria, the genus Ralstonia was found in the diseased soils, whereas the genus Flavobacterium was the only shared taxon in healthy soils; for fungi, the genus Chaetomium was the most significant taxon in healthy soils. Besides, network analysis confirmed that the topologies of networks of healthy soils were higher than that of diseased soils. Together, our results suggest that microbial assemblage in the rhizosphere will be largely affected by soil conditions especially after long-term monoculture.
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Affiliation(s)
- Xiaojiao Liu
- State Key Laboratory of Silkworm Genome Biology, Key Laboratory of Sericultural Biology and Genetic Breeding in Ministry of Agriculture, College of Sericulture, Textile and Biomass Science, Southwest University, Chongqing, 400715, China.,Microecological Process and Regulation Key Laboratory, College of Plant Protection, Southwest University, Chongqing, 400715, China
| | - Liehua Liu
- Microecological Process and Regulation Key Laboratory, College of Plant Protection, Southwest University, Chongqing, 400715, China
| | - Jie Gong
- Microecological Process and Regulation Key Laboratory, College of Plant Protection, Southwest University, Chongqing, 400715, China
| | - Lixin Zhang
- Microecological Process and Regulation Key Laboratory, College of Plant Protection, Southwest University, Chongqing, 400715, China
| | - Qipeng Jiang
- Microecological Process and Regulation Key Laboratory, College of Plant Protection, Southwest University, Chongqing, 400715, China
| | - Kuo Huang
- Microecological Process and Regulation Key Laboratory, College of Plant Protection, Southwest University, Chongqing, 400715, China.,Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Henan, 450001, China
| | - Wei Ding
- Microecological Process and Regulation Key Laboratory, College of Plant Protection, Southwest University, Chongqing, 400715, China.
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Xu D, Ling J, Qiao F, Xi P, Zeng Y, Zhang J, Lan C, Jiang Z, Peng A, Li P. Organic mulch can suppress litchi downy blight through modification of soil microbial community structure and functional potentials. BMC Microbiol 2022; 22:155. [PMID: 35689202 PMCID: PMC9188084 DOI: 10.1186/s12866-022-02492-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 03/14/2022] [Indexed: 11/10/2022] Open
Abstract
Background Organic mulch is an important management practice in agricultural production to improve soil quality, control crop pests and diseases and increase the biodiversity of soil microecosystem. However, the information about soil microbial diversity and composition in litchi plantation response to organic mulch and its attribution to litchi downy blight severity was limited. This study aimed to investigate the effect of organic mulch on litchi downy blight, and evaluate the biodiversity and antimicrobial potential of soil microbial community of litchi plantation soils under organic mulch. Results Organic mulch could significantly suppress the disease incidence in the litchi plantation, and with a reduction of 37.74% to 85.66%. As a result of high-throughput 16S rRNA and ITS rDNA gene illumine sequencing, significantly higher bacterial and fungal community diversity indexes were found in organic mulch soils, the relative abundance of norank f norank o Vicinamibacterales, norank f Vicinamibacteraceae, norank f Xanthobacteraceae, Unclassified c sordariomycetes, Aspergillus and Thermomyces were significant more than that in control soils. Isolation and analysis of antagonistic microorganism showed that 29 antagonistic bacteria strains and 37 antagonistic fungi strains were unique for mulching soils. Conclusions Thus, we believe that organic mulch has a positive regulatory effect on the litchi downy blight and the soil microbial communities, and so, is more suitable for litchi plantation.
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Affiliation(s)
- Dandan Xu
- Department of Applied Chemistry and Biotechnology/Postdoctoral Innovation Practice Base, Shenzhen Polytechnic, Shenzhen, 518055, China.,Department of Plant Protection/Guangdong Province Key Laboratory of Microbial Signals and Disease Control, South China Agricultural University, Guangzhou, 510642, China
| | - Jinfeng Ling
- Plant Protection Research Institute, Key Laboratory of High Technology for Plant Protection of Guangdong Province, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Fang Qiao
- Department of Applied Chemistry and Biotechnology/Postdoctoral Innovation Practice Base, Shenzhen Polytechnic, Shenzhen, 518055, China
| | - Pinggen Xi
- Department of Plant Protection/Guangdong Province Key Laboratory of Microbial Signals and Disease Control, South China Agricultural University, Guangzhou, 510642, China
| | - Yani Zeng
- Shenzhen Nanshan Xili Orchard, Shenzhen, 518055, China
| | - Jianfan Zhang
- Shenzhen Nanshan Xili Orchard, Shenzhen, 518055, China
| | - Cuizhen Lan
- Department of Applied Chemistry and Biotechnology/Postdoctoral Innovation Practice Base, Shenzhen Polytechnic, Shenzhen, 518055, China
| | - Zide Jiang
- Department of Plant Protection/Guangdong Province Key Laboratory of Microbial Signals and Disease Control, South China Agricultural University, Guangzhou, 510642, China
| | - Aitian Peng
- Plant Protection Research Institute, Key Laboratory of High Technology for Plant Protection of Guangdong Province, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China.
| | - Pingdong Li
- Shenzhen Agricultural Technology Promotion Center, Shenzhen, 518040, China.
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Manikandan A, Johnson I, Jaivel N, Krishnamoorthy R, SenthilKumar M, Raghu R, Gopal NO, Mukherjee PK, Anandham R. Gamma-induced mutants of Bacillus and Streptomyces display enhanced antagonistic activities and suppression of the root rot and wilt diseases in pulses. Biomol Concepts 2022; 13:103-118. [DOI: 10.1515/bmc-2022-0004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 02/07/2022] [Indexed: 11/15/2022] Open
Abstract
Abstract
This study aims to increase Bacillus and Streptomyces antagonistic activity against the root rot and wilt diseases of pulses caused by Macrophomina phaseolina and Fusarium oxysporum f. sp. udum, respectively. To increase antagonistic action, Bacillus subtilis BRBac4, Bacillus siamensis BRBac21, and Streptomyces cavourensis BRAcB10 were subjected to random mutagenesis using varying doses of gamma irradiation (0.5–3.0 kGy). Following the irradiation, 250 bacterial colonies were chosen at random for each antagonistic strain and their effects against pathogens were evaluated in a plate assay. The ERIC, BOX, and random amplified polymorphic studies demonstrated a clear distinction between mutant and wild-type strains. When mutants were compared to wild-type strains, they showed improved plant growth-promoting characteristics and hydrolytic enzyme activity. The disease suppression potential of the selected mutants, B. subtilis BRBac4-M6, B. siamensisi BRBac21-M10, and S. cavourensis BRAcB10-M2, was tested in green gram, black gram, and red gram. The combined inoculation of B. siamensis BRBac21-M10 and S. cavourensis BRAcB10-M2 reduced the incidence of root rot and wilt disease. The same treatment also increased the activity of the defensive enzymes peroxidase, polyphenol oxidase, and phenylalanine ammonia-lyase. These findings suggested that gamma-induced mutation can be exploited effectively to improve the biocontrol characteristics of Bacillus and Streptomyces. Following the field testing, a combined bio-formulation of these two bacteria may be utilised to address wilt and root-rot pathogens in pulses.
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Affiliation(s)
- Ariyan Manikandan
- Department of Agricultural Microbiology, Tamil Nadu Agricultural University (TNAU) , Coimbatore 641003 , Tamil Nadu , India
| | - Iruthayasamy Johnson
- Department of Plant Pathology, Tamil Nadu Agricultural University (TNAU) , Coimbatore , Tamil Nadu , India
| | - Nanjundan Jaivel
- Department of Agricultural Microbiology, Tamil Nadu Agricultural University (TNAU) , Coimbatore 641003 , Tamil Nadu , India
| | - Ramasamy Krishnamoorthy
- Department of Crop Management, Vanavarayar Institute of Agriculture , Pollachi , Tamil Nadu , India
| | - Murugaiyan SenthilKumar
- Department of Crop Management, Agricultural College and Research Institute, Tamil Nadu Agricultural University (TNAU) , Eachangkottai , Tamil Nadu , India
| | - Rajasekaran Raghu
- Department of Agricultural Microbiology, Tamil Nadu Agricultural University (TNAU) , Coimbatore 641003 , Tamil Nadu , India
| | - Nellaiappan Olaganathan Gopal
- Department of Agricultural Microbiology, Tamil Nadu Agricultural University (TNAU) , Coimbatore 641003 , Tamil Nadu , India
| | - Prasun K. Mukherjee
- Environmental Biotechnology Section Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre , Trombay , Mumbai 400085 , India
| | - Rangasamy Anandham
- Department of Agricultural Microbiology, Tamil Nadu Agricultural University (TNAU) , Coimbatore 641003 , Tamil Nadu , India
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9
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Frewert A, Trippe K, Cheeke TE. Can locally sourced inoculum and biochar synergistically improve the establishment of mycorrhizal fungi in mine tailings? Restor Ecol 2022. [DOI: 10.1111/rec.13518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Austin Frewert
- School of Biological Sciences Washington State University Richland WA 99354 U.S.A
| | - Kristin Trippe
- National Forage Seed Production Research Center USDA‐ARS Corvallis OR 97331 U.S.A
| | - Tanya E. Cheeke
- School of Biological Sciences Washington State University Richland WA 99354 U.S.A
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10
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Guo Z, Lv L, Liu D, He X, Wang W, Feng Y, Islam MS, Wang Q, Chen W, Liu Z, Wu S, Abied A. A global meta-analysis of animal manure application and soil microbial ecology based on random control treatments. PLoS One 2022; 17:e0262139. [PMID: 35061792 PMCID: PMC8782357 DOI: 10.1371/journal.pone.0262139] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 12/16/2021] [Indexed: 01/21/2023] Open
Abstract
The processes involved in soil domestication have altered the soil microbial ecology. We examined the question of whether animal manure application affects the soil microbial ecology of farmlands. The effects of global animal manure application on soil microorganisms were subjected to a meta-analysis based on randomized controlled treatments. A total of 2303 studies conducted in the last 30 years were incorporated into the analysis, and an additional 45 soil samples were collected and sequenced to obtain 16S rRNA and 18S rRNA data. The results revealed that manure application increased soil microbial biomass. Manure application alone increased bacterial diversity (M-Z: 7.546 and M-I: 8.68) and inhibited and reduced fungal diversity (M-Z: -1.15 and M-I: -1.03). Inorganic fertilizer replaced cattle and swine manure and provided nutrients to soil microorganisms. The soil samples of the experimental base were analyzed, and the relative abundances of bacteria and fungi were altered compared with no manure application. Manure increased bacterial diversity and reduced fungal diversity. Mrakia frigida and Betaproteobacteriales, which inhibit other microorganisms, increased significantly in the domesticated soil. Moreover, farm sewage treatments resulted in a bottleneck in the manure recovery rate that should be the focus of future research. Our results suggest that the potential risks of restructuring the microbial ecology of cultivated land must be considered.
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Affiliation(s)
- Zhenhua Guo
- Key Laboratory of Combining Farming and Animal Husbandry, Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Harbin, P. R. China
- * E-mail: , (ZG); (DL)
| | - Lei Lv
- Wood Science Research Institute of Heilongjiang Academy of Forestry, Harbin, P. R. China
| | - Di Liu
- Key Laboratory of Combining Farming and Animal Husbandry, Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Harbin, P. R. China
- * E-mail: , (ZG); (DL)
| | - Xinmiao He
- Key Laboratory of Combining Farming and Animal Husbandry, Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Harbin, P. R. China
| | - Wentao Wang
- Key Laboratory of Combining Farming and Animal Husbandry, Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Harbin, P. R. China
| | - Yanzhong Feng
- Key Laboratory of Combining Farming and Animal Husbandry, Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Harbin, P. R. China
| | - Md. Saiful Islam
- Department of Animal Production & Management, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, Bangladesh
| | - Qiuju Wang
- Key laboratory of Heilongjiang Soil Environment and Plant Nutrient, Institute of Soil Fertilizer and Environment Resources, Heilongjiang Academy of Agricultural Sciences, Harbin, P. R. China
| | - Wengui Chen
- Animal Science and Technology College, Northeast Agricultural University, Harbin, P. R. China
| | - Ziguang Liu
- Key Laboratory of Combining Farming and Animal Husbandry, Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Harbin, P. R. China
| | - Saihui Wu
- Key Laboratory of Combining Farming and Animal Husbandry, Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Harbin, P. R. China
| | - Adam Abied
- Key Laboratory of Combining Farming and Animal Husbandry, Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Harbin, P. R. China
- Dry Land Research Center (DLRC) and Animal Production, Agricultural Research Corporation (ARC), Khartoum, Sudan
- Projects and Programs Secretary of the Sudan Youth Organization on Climate Change, Khartoum, Sudan
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11
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Li D, Zheng X, Lin L, An Q, Jiao Y, Li Q, Li Z, Hong Y, Zhang K, Xie C, Yin J, Zhang H, Wang B, Hu Y, Zhu Z. Remediation of soils co-contaminated with cadmium and dichlorodiphenyltrichloroethanes by king grass associated with Piriformospora indica: Insights into the regulation of root excretion and reshaping of rhizosphere microbial community structure. JOURNAL OF HAZARDOUS MATERIALS 2022; 422:126936. [PMID: 34463272 DOI: 10.1016/j.jhazmat.2021.126936] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 08/12/2021] [Accepted: 08/15/2021] [Indexed: 06/13/2023]
Abstract
Cadmium (Cd) and dichlorodiphenyltrichloroethane (DDT) are frequently detected in agricultural soils, which poses a threat to public health. This study investigated the effects of inoculation of king grass with Piriformospora indica on the remediation of soils co-contaminated with Cd and DDTs. After treatment for 90 days, the dry shoot and root biomass of king grass inoculated with P. indica markedly increased by 13.0-15.8% and 24.1-46.4%, respectively, compared with those of uninoculated plants. Inoculation with P. indica also increased the uptake of Cd and DDTs by shoots and roots of king grass. The removal efficiency of Cd and DDTs from soils reached 4.88-17.4% and 48.4-51.0%, respectively, in the presence of king grass inoculated with P. indica. Under three Cd-DDTs contamination conditions, root secretion of organic acids, alcohol, and polyamines was distinctively stimulated by P. indica inoculation of king grass compared with planting king grass alone. After phytoremediation, changes in soil bacterial and fungal community composition occurred at different contamination levels. Overall, the results showed that king grass associated with P. indica can be adopted for phytoextraction of Cd and DDTs from moderately contaminated soils by regulating root excretion and reshaping rhizosphere microbial community structure.
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Affiliation(s)
- Dong Li
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Xiaoxiao Zheng
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Li Lin
- Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 53007, China
| | - Qianli An
- Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310000, China
| | - Yangqiu Jiao
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Qiuli Li
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Zhidong Li
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Yi Hong
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Kailu Zhang
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Can Xie
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Jing Yin
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Haixiang Zhang
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Baijie Wang
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Yueming Hu
- College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Zhiqiang Zhu
- College of Tropical Crops, Hainan University, Haikou 570228, China.
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12
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Feng T, Su W, Zhu J, Yang J, Wang Y, Zhou R, Yu Q, Li H. Corpse decomposition increases the diversity and abundance of antibiotic resistance genes in different soil types in a fish model. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 286:117560. [PMID: 34438490 DOI: 10.1016/j.envpol.2021.117560] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 05/05/2021] [Accepted: 06/06/2021] [Indexed: 06/13/2023]
Abstract
As a common natural phenomenon, corpse decomposition may lead to serious environmental pollution such as nitrogen pollution. However, less is known about antibiotic resistance genes (ARGs), an emerging contaminant, during corpse degradation. Here, ARGs and microbiome in three soil types (black, red and yellow soil) have been investigated between experimental and control groups based on next-generation sequencing and high-throughput quantitative PCR techniques. We found that the absolute abundance of total ARGs and mobile genetic elements (MGEs) in the experimental groups were respectively enriched 536.96 and 240.60 times in different soil types, and the number of ARGs in experimental groups was 7-25 more than that in control groups. For experimental groups, the distribution of ARGs was distinct in different soil types, but sulfonamide resistance genes were always enriched. Corpse decomposition was a primary determinant for ARGs profiles. Microbiome, NH4+ concentrates and pH also significantly affected ARGs profiles. Nevertheless, soil types had few effects on ARGs. For soil microbiome, some genera were elevated in experimental groups such as the Ignatzschineria and Myroides. The alpha diversity is decreased in experimental groups and microbial community structures are different between treatments. Additionally, the Escherichia and Neisseria were potential pathogens elevated in experimental groups. Network analysis indicated that most of ARGs like sulfonamide and multidrug resistance genes presented strong positively correlations with NH4+ concentrates and pH, and some genera like Ignatzschineria and Dysgonomonas were positively correlated with several ARGs such as aminoglycoside and sulfonamide resistance genes. Our study reveals a law of ARGs' enrichment markedly during corpse decomposing in different soil types, and these ARGs contaminant maintaining in environment may pose a potential threat to environmental safety and human health.
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Affiliation(s)
- Tianshu Feng
- School of Public Health, Lanzhou University, Lanzhou, 730000, China
| | - Wanghong Su
- School of Public Health, Lanzhou University, Lanzhou, 730000, China
| | - Jianxiao Zhu
- State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral, Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, China
| | - Jiawei Yang
- School of Public Health, Lanzhou University, Lanzhou, 730000, China
| | - Yijie Wang
- School of Public Health, Lanzhou University, Lanzhou, 730000, China
| | - Rui Zhou
- School of Public Health, Lanzhou University, Lanzhou, 730000, China
| | - Qiaoling Yu
- School of Public Health, Lanzhou University, Lanzhou, 730000, China
| | - Huan Li
- School of Public Health, Lanzhou University, Lanzhou, 730000, China; Center for Grassland Microbiome, Lanzhou University, Lanzhou, 730000, China.
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13
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Du JX, Li Y, Ur-Rehman S, Mukhtar I, Yin Z, Dong H, Wang H, Zhang X, Gao Z, Zhao X, Xin X, Ding X. Synergistically promoting plant health by harnessing synthetic microbial communities and prebiotics. iScience 2021; 24:102918. [PMID: 34430808 PMCID: PMC8365361 DOI: 10.1016/j.isci.2021.102918] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Soil-borne diseases cause serious economic losses in agriculture. Managing diseases with microbial preparations is an excellent approach to soil-borne disease prevention. However, microbial preparations often exhibit unstable effects, limiting their large-scale application. This review introduces and summarizes disease-suppressive soils, the relationship between carbon sources and the microbial community, and the application of human microbial preparation concepts to plant microbial preparations. We also propose an innovative synthetic microbial community assembly strategy with synergistic prebiotics to promote healthy plant growth and resistance to disease. In this review, a new approach is proposed to improve traditional microbial preparations; provide a better understanding of the relationships among carbon sources, beneficial microorganisms, and plants; and lay a theoretical foundation for developing new microbial preparations.
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Affiliation(s)
- Jianfeng X. Du
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Taian, Shandong 271018, P. R. China
| | - Yang Li
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Taian, Shandong 271018, P. R. China
| | - Saif- Ur-Rehman
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Taian, Shandong 271018, P. R. China
| | - Irum Mukhtar
- Institute of Oceanography, Minjiang University, Fuzhou 350108, China
| | - Ziyi Yin
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Taian, Shandong 271018, P. R. China
| | - Hansong Dong
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Taian, Shandong 271018, P. R. China
| | - Hongfeng Wang
- Shandong Pengbo Biotechnology Co., LTD, Taian 271018, China
| | - Xiaoying Zhang
- Shandong Pengbo Biotechnology Co., LTD, Taian 271018, China
| | - Zheng Gao
- College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, P.R. China
| | - Xiangyu Zhao
- College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong 271018, P.R. China
| | - Xiufang Xin
- Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Science and Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences (CAS) and CAS John Innes Centre of Excellence for Plant and Microbial Sciences, Shanghai, China
| | - Xinhua Ding
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Taian, Shandong 271018, P. R. China
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14
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Palojärvi A, Kellock M, Parikka P, Jauhiainen L, Alakukku L. Tillage System and Crop Sequence Affect Soil Disease Suppressiveness and Carbon Status in Boreal Climate. Front Microbiol 2020; 11:534786. [PMID: 33193124 PMCID: PMC7644446 DOI: 10.3389/fmicb.2020.534786] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 10/05/2020] [Indexed: 01/28/2023] Open
Abstract
The soil-borne plant pathogens cause serious yield losses and are difficult to control. In suppressive soils, disease incidence remains low regardless of the presence of the pathogen, the host plant, and favorable environmental conditions. The potential to improve natural soil disease suppressiveness through agricultural management practices would enable sustainable and resilient crop production systems. Our aim was to study the impact of autumn tillage methods and crop sequence on the soil carbon status, fungistasis and yield in boreal climate. The disease suppression was improved by the long-term reduced and no tillage management practices with and without crop rotation. Compared to the conventional plowing, the non-inversion tillage systems were shown to change the vertical distribution of soil carbon fractions and the amount of microbial biomass by concentrating them on the soil surface. Crop sequence and the choice of tillage method had a combined effect on soil organic carbon (SOC) sequestration. The improved general disease suppression had a positive correlation with the labile carbon status and microbial biomass. From the most common Fusarium species, the predominantly saprophytic F. avenaceum was more abundant under non-inversion practice, whereas the opposite was true for the pathogenic ones. Our findings furthermore demonstrated the correlation of the soil fungistasis laboratory assay results and the prevalence of the pathogenic test fungus Fusarium culmorum on the crop cereals in the field. Our results indicate that optimized management strategies have potential to improve microbial related soil fungistasis in boreal climate.
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Affiliation(s)
- Ansa Palojärvi
- Natural Resources Institute Finland (Luke), Turku, Finland
| | - Miriam Kellock
- Natural Resources Institute Finland (Luke), Jokioinen, Finland
| | - Päivi Parikka
- Natural Resources Institute Finland (Luke), Jokioinen, Finland
| | | | - Laura Alakukku
- Department of Agricultural Sciences, University of Helsinki, Helsinki, Finland
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15
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Li Q, Wu Y, Wang J, Yang B, Chen J, Wu H, Zhang Z, Lu C, Lin W, Wu L. Linking Short-Chain N-Acyl Homoserine Lactone-Mediated Quorum Sensing and Replant Disease: A Case Study of Rehmannia glutinosa. FRONTIERS IN PLANT SCIENCE 2020; 11:787. [PMID: 32625222 PMCID: PMC7311668 DOI: 10.3389/fpls.2020.00787] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 05/18/2020] [Indexed: 06/11/2023]
Abstract
Rehmannia glutinosa, a perennial medicinal plant, suffers from severe replant disease under consecutive monoculture. The rhizosphere microbiome is vital for soil suppressiveness to diseases and for plant health. Moreover, N-acyl homoserine lactone (AHL)-mediated quorum sensing (QS) regulates diverse behavior in rhizosphere-inhabiting and plant pathogenic bacteria. The dynamics of short-chain AHL-mediated QS bacteria driven by consecutive monoculture and its relationships with R. glutinosa replant disease were explored in this study. The screening of QS bacteria showed that 65 out of 200 strains (32.5%) randomly selected from newly planted soil of R. glutinosa were detected as QS bacteria, mainly consisting of Pseudomonas spp. (55.4%). By contrast, 34 out of 200 (17%) strains from the diseased replant soil were detected as QS bacteria, mainly consisting of Enterobacteriaceae (73.5%). Functional analysis showed most of the QS bacteria belonging to the Pseudomonas genus showed strong antagonistic activities against Fusarium oxysporum or Aspergillus flavus, two main causal agents of R. glutinosa root rot disease. However, the QS strains dominant in the replant soil caused severe wilt disease in the tissue culture seedlings of R. glutinosa. Microbial growth assays demonstrated a concentration-dependent inhibitory effect on the growth of beneficial QS bacteria (i.e., Pseudomonas brassicacearum) by a phenolic acid mixture identified in the root exudates of R. glutinosa, but the opposite was true for harmful QS bacteria (i.e., Enterobacter spp.). Furthermore, it was found that the population of quorum quenching (QQ) bacteria that could disrupt the beneficial P. brassicacearum SZ50 QS system was significantly higher in the replant soil than in the newly planted soil. Most of these QQ bacteria in the replant soil were detected as Acinetobacter spp. The growth of specific QQ bacteria could be promoted by a phenolic acid mixture at a ratio similar to that found in the R. glutinosa rhizosphere. Moreover, these quorum-quenching bacteria showed strong pathogenicity toward the tissue culture seedlings of R. glutinosa. In conclusion, consecutive monoculture of R. glutinosa contributed to the imbalance between beneficial and harmful short-chain AHL-mediated QS bacteria in the rhizosphere, which was mediated not only by specific root exudates but also by the QQ bacterial community.
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Affiliation(s)
- Qian Li
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yanhong Wu
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Juanying Wang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Bo Yang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Jun Chen
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Hongmiao Wu
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Zhongyi Zhang
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Cuihong Lu
- Wenxian Institute of Agricultural Sciences, Jiaozuo, China
| | - Wenxiong Lin
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Linkun Wu
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology, Fujian Agriculture and Forestry University, Fuzhou, China
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16
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Dodds WK, Zeglin LH, Ramos RJ, Platt TG, Pandey A, Michaels T, Masigol M, Klompen AML, Kelly MC, Jumpponen A, Hauser E, Hansen PM, Greer MJ, Fattahi N, Delavaux CS, Connell RK, Billings S, Bever JD, Barua N, Agusto FB. Connections and Feedback: Aquatic, Plant, and Soil Microbiomes in Heterogeneous and Changing Environments. Bioscience 2020. [DOI: 10.1093/biosci/biaa046] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Plant, soil, and aquatic microbiomes interact, but scientists often study them independently. Integrating knowledge across these traditionally separate subdisciplines will generate better understanding of microbial ecological properties. Interactions among plant, soil, and aquatic microbiomes, as well as anthropogenic factors, influence important ecosystem processes, including greenhouse gas fluxes, crop production, nonnative species control, and nutrient flux from terrestrial to aquatic habitats. Terrestrial microbiomes influence nutrient retention and particle movement, thereby influencing the composition and functioning of aquatic microbiomes, which, themselves, govern water quality, and the potential for harmful algal blooms. Understanding how microbiomes drive links among terrestrial (plant and soil) and aquatic habitats will inform management decisions influencing ecosystem services. In the present article, we synthesize knowledge of microbiomes from traditionally disparate fields and how they mediate connections across physically separated systems. We identify knowledge gaps currently limiting our abilities to actualize microbiome management approaches for addressing environmental problems and optimize ecosystem services.
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Affiliation(s)
- Walter K Dodds
- Division of Biology, Kansas State University, Manhattan, Kansas
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