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Wang X, Tang Y, Yue X, Wang S, Yang K, Xu Y, Shen Q, Friman VP, Wei Z. The role of rhizosphere phages in soil health. FEMS Microbiol Ecol 2024; 100:fiae052. [PMID: 38678007 PMCID: PMC11065364 DOI: 10.1093/femsec/fiae052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 03/22/2024] [Accepted: 04/25/2024] [Indexed: 04/29/2024] Open
Abstract
While the One Health framework has emphasized the importance of soil microbiomes for plant and human health, one of the most diverse and abundant groups-bacterial viruses, i.e. phages-has been mostly neglected. This perspective reviews the significance of phages for plant health in rhizosphere and explores their ecological and evolutionary impacts on soil ecosystems. We first summarize our current understanding of the diversity and ecological roles of phages in soil microbiomes in terms of nutrient cycling, top-down density regulation, and pathogen suppression. We then consider how phages drive bacterial evolution in soils by promoting horizontal gene transfer, encoding auxiliary metabolic genes that increase host bacterial fitness, and selecting for phage-resistant mutants with altered ecology due to trade-offs with pathogen competitiveness and virulence. Finally, we consider challenges and avenues for phage research in soil ecosystems and how to elucidate the significance of phages for microbial ecology and evolution and soil ecosystem functioning in the future. We conclude that similar to bacteria, phages likely play important roles in connecting different One Health compartments, affecting microbiome diversity and functions in soils. From the applied perspective, phages could offer novel approaches to modulate and optimize microbial and microbe-plant interactions to enhance soil health.
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Affiliation(s)
- Xiaofang Wang
- Jiangsu provincial key lab for solid organic waste utilization, Key lab of organic-based fertilizers of China,Jiangsu Collaborative Innovation Center for Solid Organic Wastes, Educational Ministry Engineering Center of Resource-saving fertilizers, Nanjing Agricultural University, Nanjing 210095, China
| | - Yike Tang
- Jiangsu provincial key lab for solid organic waste utilization, Key lab of organic-based fertilizers of China,Jiangsu Collaborative Innovation Center for Solid Organic Wastes, Educational Ministry Engineering Center of Resource-saving fertilizers, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiufeng Yue
- Jiangsu provincial key lab for solid organic waste utilization, Key lab of organic-based fertilizers of China,Jiangsu Collaborative Innovation Center for Solid Organic Wastes, Educational Ministry Engineering Center of Resource-saving fertilizers, Nanjing Agricultural University, Nanjing 210095, China
| | - Shuo Wang
- Jiangsu provincial key lab for solid organic waste utilization, Key lab of organic-based fertilizers of China,Jiangsu Collaborative Innovation Center for Solid Organic Wastes, Educational Ministry Engineering Center of Resource-saving fertilizers, Nanjing Agricultural University, Nanjing 210095, China
| | - Keming Yang
- Jiangsu provincial key lab for solid organic waste utilization, Key lab of organic-based fertilizers of China,Jiangsu Collaborative Innovation Center for Solid Organic Wastes, Educational Ministry Engineering Center of Resource-saving fertilizers, Nanjing Agricultural University, Nanjing 210095, China
| | - Yangchun Xu
- Jiangsu provincial key lab for solid organic waste utilization, Key lab of organic-based fertilizers of China,Jiangsu Collaborative Innovation Center for Solid Organic Wastes, Educational Ministry Engineering Center of Resource-saving fertilizers, Nanjing Agricultural University, Nanjing 210095, China
| | - Qirong Shen
- Jiangsu provincial key lab for solid organic waste utilization, Key lab of organic-based fertilizers of China,Jiangsu Collaborative Innovation Center for Solid Organic Wastes, Educational Ministry Engineering Center of Resource-saving fertilizers, Nanjing Agricultural University, Nanjing 210095, China
| | - Ville-Petri Friman
- Jiangsu provincial key lab for solid organic waste utilization, Key lab of organic-based fertilizers of China,Jiangsu Collaborative Innovation Center for Solid Organic Wastes, Educational Ministry Engineering Center of Resource-saving fertilizers, Nanjing Agricultural University, Nanjing 210095, China
- Department of Microbiology, University of Helsinki, 00014 Helsinki, Finland
| | - Zhong Wei
- Jiangsu provincial key lab for solid organic waste utilization, Key lab of organic-based fertilizers of China,Jiangsu Collaborative Innovation Center for Solid Organic Wastes, Educational Ministry Engineering Center of Resource-saving fertilizers, Nanjing Agricultural University, Nanjing 210095, China
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Schmidtke DT, Hickey AS, Liachko I, Sherlock G, Bhatt AS. Analysis and culturing of the prototypic crAssphage reveals a phage-plasmid lifestyle. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.20.585998. [PMID: 38562748 PMCID: PMC10983915 DOI: 10.1101/2024.03.20.585998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The prototypic crAssphage (Carjivirus communis) is one of the most abundant, prevalent, and persistent gut bacteriophages, yet it remains uncultured and its lifestyle uncharacterized. For the last decade, crAssphage has escaped plaque-dependent culturing efforts, leading us to investigate alternative lifestyles that might explain its widespread success. Through genomic analyses and culturing, we find that crAssphage uses a phage-plasmid lifestyle to persist extrachromosomally. Plasmid-related genes are more highly expressed than those implicated in phage maintenance. Leveraging this finding, we use a plaque-free culturing approach to measure crAssphage replication in culture with Phocaeicola vulgatus, Phocaeicola dorei, and Bacteroides stercoris, revealing a broad host range. We demonstrate that crAssphage persists with its hosts in culture without causing major cell lysis events or integrating into host chromosomes. The ability to switch between phage and plasmid lifestyles within a wide range of hosts contributes to the prolific nature of crAssphage in the human gut microbiome.
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Affiliation(s)
- Danica T. Schmidtke
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA
| | | | | | - Gavin Sherlock
- Department of Genetics, Stanford University, Stanford, CA, USA
- Senior author
| | - Ami S. Bhatt
- Department of Genetics, Stanford University, Stanford, CA, USA
- Department of Medicine (Division of Hematology), Stanford University, Stanford, CA, USA
- Lead corresponding author
- Senior author
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Huang D, Xia R, Chen C, Liao J, Chen L, Wang D, Alvarez PJJ, Yu P. Adaptive strategies and ecological roles of phages in habitats under physicochemical stress. Trends Microbiol 2024:S0966-842X(24)00042-8. [PMID: 38433027 DOI: 10.1016/j.tim.2024.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 03/05/2024]
Abstract
Bacteriophages (phages) play a vital role in ecosystem functions by influencing the composition, genetic exchange, metabolism, and environmental adaptation of microbial communities. With recent advances in sequencing technologies and bioinformatics, our understanding of the ecology and evolution of phages in stressful environments has substantially expanded. Here, we review the impact of physicochemical environmental stress on the physiological state and community dynamics of phages, the adaptive strategies that phages employ to cope with environmental stress, and the ecological effects of phage-host interactions in stressful environments. Specifically, we highlight the contributions of phages to the adaptive evolution and functioning of microbiomes and suggest that phages and their hosts can maintain a mutualistic relationship in response to environmental stress. In addition, we discuss the ecological consequences caused by phages in stressful environments, encompassing biogeochemical cycling. Overall, this review advances an understanding of phage ecology in stressful environments, which could inform phage-based strategies to improve microbiome performance and ecosystem resilience and resistance in natural and engineering systems.
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Affiliation(s)
- Dan Huang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Rong Xia
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Chengyi Chen
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jingqiu Liao
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - Linxing Chen
- Department of Earth and Planetary Sciences, University of California Berkeley, Berkeley, CA 94720, USA; Innovative Genomics Institute, University of California Berkeley, Berkeley, CA 94720, USA
| | - Dongsheng Wang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Pedro J J Alvarez
- Department of Civil and Environmental Engineering, Rice University, Houston, TX 77005, USA
| | - Pingfeng Yu
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Innovation Center of Yangtze River Delta, Zhejiang University, Jiashan, 314100, China.
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Jordá J, Lorenzo-Rebenaque L, Montoro-Dasi L, Marco-Fuertes A, Vega S, Marin C. Phage-Based Biosanitation Strategies for Minimizing Persistent Salmonella and Campylobacter Bacteria in Poultry. Animals (Basel) 2023; 13:3826. [PMID: 38136863 PMCID: PMC10740442 DOI: 10.3390/ani13243826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 12/05/2023] [Accepted: 12/10/2023] [Indexed: 12/24/2023] Open
Abstract
Control strategies to minimize pathogenic bacteria in food animal production are one of the key components in ensuring safer food for consumers. The most significant challenges confronting the food industry, particularly in the major poultry and swine sectors, are antibiotic resistance and resistance to cleaning and disinfection in zoonotic bacteria. In this context, bacteriophages have emerged as a promising tool for zoonotic bacteria control in the food industry, from animals and farm facilities to the final product. Phages are viruses that infect bacteria, with several advantages as a biocontrol agent such as high specificity, self-replication, self-limitation, continuous adaptation, low inherent toxicity and easy isolation. Their development as a biocontrol agent is of particular interest, as it would allow the application of a promising and even necessary "green" technology to combat pathogenic bacteria in the environment. However, bacteriophage applications have limitations, including selecting appropriate phages, legal restrictions, purification, dosage determination and bacterial resistance. Overcoming these limitations is crucial to enhance phage therapy's effectiveness against zoonotic bacteria in poultry. Thus, this review aims to provide a comprehensive view of the phage-biosanitation strategies for minimizing persistent Salmonella and Campylobacter bacteria in poultry.
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Affiliation(s)
- Jaume Jordá
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, 46115 Alfara del Patriarca, Spain; (J.J.); (L.M.-D.); (A.M.-F.); (S.V.)
| | - Laura Lorenzo-Rebenaque
- Institute of Animal Science and Technology, Universitat Politècnica de València, 46022 Valencia, Spain;
| | - Laura Montoro-Dasi
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, 46115 Alfara del Patriarca, Spain; (J.J.); (L.M.-D.); (A.M.-F.); (S.V.)
| | - Ana Marco-Fuertes
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, 46115 Alfara del Patriarca, Spain; (J.J.); (L.M.-D.); (A.M.-F.); (S.V.)
| | - Santiago Vega
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, 46115 Alfara del Patriarca, Spain; (J.J.); (L.M.-D.); (A.M.-F.); (S.V.)
| | - Clara Marin
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, 46115 Alfara del Patriarca, Spain; (J.J.); (L.M.-D.); (A.M.-F.); (S.V.)
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