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Benchlih S, Esmaeel Q, Aberkani K, Tahiri A, Belabess Z, Lahlali R, Barka EA. Modes of Action of Biocontrol Agents and Elicitors for sustainable Protection against Bacterial Canker of Tomato. Microorganisms 2023; 11:microorganisms11030726. [PMID: 36985299 PMCID: PMC10054590 DOI: 10.3390/microorganisms11030726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/05/2023] [Accepted: 03/08/2023] [Indexed: 03/16/2023] Open
Abstract
Tomato is one of the world’s most commonly grown and consumed vegetables. However, it can be attacked by the Gram-positive bacterium Clavibacter michiganensis subsp. michiganensis (Cmm), which causes bacterial canker on tomato plants, resulting in significant financial losses in field production and greenhouses worldwide. The current management strategies rely principally on the application of various chemical pesticides and antibiotics, which represent a real danger to the environment and human safety. Plant growth-promoting rhizobacteria (PGPR) have emerged as an attractive alternative to agrochemical crop protection methods. PGPR act through several mechanisms to support plant growth and performance, while also preventing pathogen infection. This review highlights the importance of bacterial canker disease and the pathogenicity of Cmm. We emphasize the application of PGPR as an ecological and cost-effective approach to the biocontrol of Cmm, specifying the complex modes of biocontrol agents (BCAs), and presenting their direct/indirect mechanisms of action that enable them to effectively protect tomato crops. Pseudomonas and Bacillus are considered to be the most interesting PGPR species for the biological control of Cmm worldwide. Improving plants’ innate defense mechanisms is one of the main biocontrol mechanisms of PGPR to manage bacterial canker and to limit its occurrence and gravity. Herein, we further discuss elicitors as a new management strategy to control Cmm, which are found to be highly effective in stimulating the plant immune system, decreasing disease severity, and minimizing pesticide use.
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Affiliation(s)
- Salma Benchlih
- Phytopathology Unit, Department of Plant Protection, Ecole Nationale d’Agriculture de Meknès, Km 10, Rte Haj Kaddour, BP S/40, Meknes 50001, Morocco
- Unité de Recherche Résistance Induite et Bio-Protection des Plantes-EA 4707-USC INRAE1488, Université de Reims Champagne-Ardenne, 51100 Reims, France
- Faculté Poly-Disciplinaire de Nador, University Mohammed Premier, Oujda 60000, Morocco
| | - Qassim Esmaeel
- Unité de Recherche Résistance Induite et Bio-Protection des Plantes-EA 4707-USC INRAE1488, Université de Reims Champagne-Ardenne, 51100 Reims, France
| | - Kamal Aberkani
- Faculté Poly-Disciplinaire de Nador, University Mohammed Premier, Oujda 60000, Morocco
| | - Abdessalem Tahiri
- Phytopathology Unit, Department of Plant Protection, Ecole Nationale d’Agriculture de Meknès, Km 10, Rte Haj Kaddour, BP S/40, Meknes 50001, Morocco
| | - Zineb Belabess
- Plant Protection Laboratory, Regional Center of Agricultural Research of Meknes, National Institute of Agricultural Research, Km 13, Route Haj Kaddour, BP.578, Meknes 50001, Morocco
| | - Rachid Lahlali
- Phytopathology Unit, Department of Plant Protection, Ecole Nationale d’Agriculture de Meknès, Km 10, Rte Haj Kaddour, BP S/40, Meknes 50001, Morocco
- Correspondence: (R.L.); (E.A.B.)
| | - Essaid Ait Barka
- Unité de Recherche Résistance Induite et Bio-Protection des Plantes-EA 4707-USC INRAE1488, Université de Reims Champagne-Ardenne, 51100 Reims, France
- Correspondence: (R.L.); (E.A.B.)
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Villar-Moreno R, Tienda S, Gutiérrez-Barranquero JA, Carrión VJ, de Vicente A, Cazorla FM, Arrebola E. Interplay between rhizospheric Pseudomonas chlororaphis strains lays the basis for beneficial bacterial consortia. FRONTIERS IN PLANT SCIENCE 2022; 13:1063182. [PMID: 36589057 PMCID: PMC9797978 DOI: 10.3389/fpls.2022.1063182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Pseudomonas chlororaphis (Pc) representatives are found as part of the rhizosphere-associated microbiome, and different rhizospheric Pc strains frequently perform beneficial activities for the plant. In this study we described the interactions between the rhizospheric Pc strains PCL1601, PCL1606 and PCL1607 with a focus on their effects on root performance. Differences among the three rhizospheric Pc strains selected were first observed in phylogenetic studies and confirmed by genome analysis, which showed variation in the presence of genes related to antifungal compounds or siderophore production, among others. Observation of the interactions among these strains under lab conditions revealed that PCL1606 has a better adaptation to environments rich in nutrients, and forms biofilms. Interaction experiments on plant roots confirmed the role of the different phenotypes in their lifestyle. The PCL1606 strain was the best adapted to the habitat of avocado roots, and PCL1607 was the least, and disappeared from the plant root scenario after a few days of interaction. These results confirm that 2 out 3 rhizospheric Pc strains were fully compatible (PCL1601 and PCL1606), efficiently colonizing avocado roots and showing biocontrol activity against the fungal pathogen Rosellinia necatrix. The third strain (PCL1607) has colonizing abilities when it is alone on the root but displayed difficulties under the competition scenario, and did not cause deleterious effects on the other Pc competitors when they were present. These results suggest that strains PCL1601 and PCL1606 are very well adapted to the avocado root environment and could constitute a basis for constructing a more complex beneficial microbial synthetic community associated with avocado plant roots.
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Affiliation(s)
- Rafael Villar-Moreno
- Mango and Avocado Microbiology Group, Department of Microbiology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Department of Microbiology and Plant Protection, Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, IHSM-UMA-CSIC, Málaga, Spain
| | - Sandra Tienda
- Mango and Avocado Microbiology Group, Department of Microbiology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Department of Microbiology and Plant Protection, Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, IHSM-UMA-CSIC, Málaga, Spain
| | - Jose A. Gutiérrez-Barranquero
- Mango and Avocado Microbiology Group, Department of Microbiology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Department of Microbiology and Plant Protection, Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, IHSM-UMA-CSIC, Málaga, Spain
| | - Víctor J. Carrión
- Mango and Avocado Microbiology Group, Department of Microbiology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Department of Microbiology and Plant Protection, Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, IHSM-UMA-CSIC, Málaga, Spain
| | - Antonio de Vicente
- Mango and Avocado Microbiology Group, Department of Microbiology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Department of Microbiology and Plant Protection, Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, IHSM-UMA-CSIC, Málaga, Spain
| | - Francisco M. Cazorla
- Mango and Avocado Microbiology Group, Department of Microbiology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Department of Microbiology and Plant Protection, Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, IHSM-UMA-CSIC, Málaga, Spain
| | - Eva Arrebola
- Mango and Avocado Microbiology Group, Department of Microbiology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Department of Microbiology and Plant Protection, Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, IHSM-UMA-CSIC, Málaga, Spain
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Zhou Y, Wang H, Xu S, Liu K, Qi H, Wang M, Chen X, Berg G, Ma Z, Cernava T, Chen Y. Bacterial-fungal interactions under agricultural settings: from physical to chemical interactions. STRESS BIOLOGY 2022; 2:22. [PMID: 37676347 PMCID: PMC10442017 DOI: 10.1007/s44154-022-00046-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 03/17/2022] [Indexed: 09/08/2023]
Abstract
Bacteria and fungi are dominant members of environmental microbiomes. Various bacterial-fungal interactions (BFIs) and their mutual regulation are important factors for ecosystem functioning and health. Such interactions can be highly dynamic, and often require spatiotemporally resolved assessments to understand the interplay which ranges from antagonism to mutualism. Many of these interactions are still poorly understood, especially in terms of the underlying chemical and molecular interplay, which is crucial for inter-kingdom communication and interference. BFIs are highly relevant under agricultural settings; they can be determinative for crop health. Advancing our knowledge related to mechanisms underpinning the interactions between bacteria and fungi will provide an extended basis for biological control of pests and pathogens in agriculture. Moreover, it will facilitate a better understanding of complex microbial community networks that commonly occur in nature. This will allow us to determine factors that are crucial for community assembly under different environmental conditions and pave the way for constructing synthetic communities for various biotechnological applications. Here, we summarize the current advances in the field of BFIs with an emphasis on agriculture.
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Affiliation(s)
- Yaqi Zhou
- State Key Laboratory of Rice Biology, and Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - Hongkai Wang
- State Key Laboratory of Rice Biology, and Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - Sunde Xu
- State Key Laboratory of Rice Biology, and Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - Kai Liu
- State Key Laboratory of Rice Biology, and Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - Hao Qi
- State Key Laboratory of Rice Biology, and Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - Mengcen Wang
- Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Ministry of Agriculture, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, China
| | - Xiaoyulong Chen
- Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, China
| | - Gabriele Berg
- Institute of Environmental Biotechnology, Graz University of Technology, 8010, Graz, Austria
- Leibniz-Institute for Agricultural Engineering and Bioeconomy, Potsdam, Germany
- University of Potsdam, Potsdam, Germany
| | - Zhonghua Ma
- State Key Laboratory of Rice Biology, and Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - Tomislav Cernava
- Institute of Environmental Biotechnology, Graz University of Technology, 8010, Graz, Austria.
| | - Yun Chen
- State Key Laboratory of Rice Biology, and Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China.
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Matuszewska M, Maciąg T, Rajewska M, Wierzbicka A, Jafra S. The carbon source-dependent pattern of antimicrobial activity and gene expression in Pseudomonas donghuensis P482. Sci Rep 2021; 11:10994. [PMID: 34040089 PMCID: PMC8154892 DOI: 10.1038/s41598-021-90488-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 05/12/2021] [Indexed: 02/04/2023] Open
Abstract
Pseudomonas donghuensis P482 is a tomato rhizosphere isolate with the ability to inhibit growth of bacterial and fungal plant pathogens. Herein, we analysed the impact of the carbon source on the antibacterial activity of P482 and expression of the selected genes of three genomic regions in the P482 genome. These regions are involved in the synthesis of pyoverdine, 7-hydroxytropolone (7-HT) and an unknown compound ("cluster 17") and are responsible for the antimicrobial activity of P482. We showed that the P482 mutants, defective in these regions, show variations and contrasting patterns of growth inhibition of the target pathogen under given nutritional conditions (with glucose or glycerol as a carbon source). We also selected and validated the reference genes for gene expression studies in P. donghuensis P482. Amongst ten candidate genes, we found gyrB, rpoD and mrdA the most stably expressed. Using selected reference genes in RT-qPCR, we assessed the expression of the genes of interest under minimal medium conditions with glucose or glycerol as carbon sources. Glycerol was shown to negatively affect the expression of genes necessary for 7-HT synthesis. The significance of this finding in the light of the role of nutrient (carbon) availability in biological plant protection is discussed.
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Affiliation(s)
- Marta Matuszewska
- Laboratory of Plant Microbiology, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, University of Gdansk, Gdansk, Poland
| | - Tomasz Maciąg
- Laboratory of Plant Microbiology, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, University of Gdansk, Gdansk, Poland
| | - Magdalena Rajewska
- Laboratory of Plant Microbiology, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, University of Gdansk, Gdansk, Poland
| | - Aldona Wierzbicka
- Laboratory of Plant Microbiology, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, University of Gdansk, Gdansk, Poland
| | - Sylwia Jafra
- Laboratory of Plant Microbiology, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, University of Gdansk, Gdansk, Poland.
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Raio A, Puopolo G. Pseudomonas chlororaphis metabolites as biocontrol promoters of plant health and improved crop yield. World J Microbiol Biotechnol 2021; 37:99. [PMID: 33978868 DOI: 10.1007/s11274-021-03063-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/23/2021] [Indexed: 11/28/2022]
Abstract
The Pseudomonas fluorescens complex contains at least eight phylogenetic groups and each of these includes several bacterial species sharing ecological and physiological traits. Pseudomonas chlororaphis classified in a separate group is represented by three different subspecies that show distinctive traits exploitable for phytostimulation and biocontrol of phytopathogens. The high level of microbial competitiveness in soil as well as the effectiveness in controlling several plant pathogens and pests can be related to the P. chlororaphis ability to implement different stimulating and toxic mechanisms in its interaction with plants and the other micro- and macroorganisms. Pseudomonas chlororaphis strains produce antibiotics, such as phenazines, pyrrolnitrine, 2-hexyl, 5-propyl resorcinol and hydrogen cyanide, siderophores such as pyoverdine and achromobactine and a complex blend of volatile organic compounds (VOCs) that effectively contribute to the control of several plant pathogens, nematodes and insects. Phenazines and some VOCs are also involved in the induction of systemic resistance in plants. This complex set of beneficial strategies explains the high increasing interest in P. chlororaphis for commercial and biotechnological applications. The aim of this review is to highlight the role of the different mechanisms involved in the biocontrol activity of P. chlororaphis strains.
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Affiliation(s)
- Aida Raio
- Institute for Sustainable Plant Protection, National Research Council, Sesto Fiorentino, FI, Italy.
| | - Gerardo Puopolo
- Center Agriculture Food Environment C3A, University of Trento/Fondazione Edmund Mach, San Michele all'Adige, TN, Italy.,Department of Sustainable Agro-Ecosystems and Bioresources, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all'Adige, TN, Italy
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Fanelli F, Caputo L, Quintieri L. Phenotypic and genomic characterization of Pseudomonas putida ITEM 17297 spoiler of fresh vegetables: Focus on biofilm and antibiotic resistance interaction. Curr Res Food Sci 2021; 4:74-82. [PMID: 33718885 PMCID: PMC7932912 DOI: 10.1016/j.crfs.2021.02.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 11/30/2022] Open
Abstract
Pseudomonas putida is widely recognized as a spoiler of fresh foods under cold storage, and recently associated also with infections in clinical settings. The presence of antibiotic resistance genes (ARGs) could be acquired and transmitted by horizontal genetic transfer and further increase the risk associated with its persistence in food and the need to be deeper investigated. Thus, in this work we presented a genomic and phenotypic analysis of the psychrotrophic P. putida ITEM 17297 to provide new insight into AR mechanisms by this species until now widely studied only for its spoilage traits. ITEM 17297 displayed resistance to several classes of antibiotics and it also formed huge amounts of biofilm; this latter registered increases at 15 °C in comparison to the optimum growth condition (30 °C). After ITEM 17297 biofilms exposure to antibiotic concentrations higher than 10-fold their MIC values no eradication occurred; interestingly, biomasses of biofilm cultivated at 15 °C increased their amount in a dose-dependent manner. Genomic analyses revealed determinants (RND-systems, ABC-transporters, and MFS-efflux pumps) for multi-drugs resistance (β-lactams, macrolides, nalidixic acid, tetracycline, fusidic acid and bacitracin) and a novel ampC allele. Biofilm and motility related pathways were depicted underlying their contribution to AR. Based on these results, underestimated psychrotrophic pseudomonas, such as the herein studied ITEM 17297 strain, might assume relevance in relation to the risk associated with the transfer of antimicrobial resistance genes to humans through cold stored contaminated foods. P. putida biofilm and AR related molecular targets herein identified will provide a basis to clarify the interaction between AR and biofilm formation and to develop novel strategies to counteract the persistence of multidrug resistant P. putida in the food chain. Multidrug resistant Pseudomonas putida ITEM 17297 was isolated from fresh vegetables. Determinants for AR and biofilm formation were identified by genomic analysis. Biofilm increased more than 10-fold antibiotic MIC value of planktonic cells. Cold adapted biofilm increased its biomass under CHL, NA, and ERY pressure. New insight into the risk for P. putida spread in the food chain were provided.
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Affiliation(s)
- Francesca Fanelli
- Institute of Sciences of Food Production, National Research Council of Italy, V. G. Amendola 122/O, 70126, Bari, Italy
| | - Leonardo Caputo
- Institute of Sciences of Food Production, National Research Council of Italy, V. G. Amendola 122/O, 70126, Bari, Italy
| | - Laura Quintieri
- Institute of Sciences of Food Production, National Research Council of Italy, V. G. Amendola 122/O, 70126, Bari, Italy
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Someya N, Kubota M, Takeuchi K, Unno Y, Sakuraoka R, Morohoshi T. Diversity of Antibiotic Biosynthesis Gene-possessing Rhizospheric Fluorescent Pseudomonads in Japan and Their Biocontrol Efficacy. Microbes Environ 2020; 35. [PMID: 32269203 PMCID: PMC7308580 DOI: 10.1264/jsme2.me19155] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
More than 3,000 isolates of fluorescent pseudomonads have been collected from plant roots in Japan and screened for the presence of antibiotic-synthesizing genes. In total, 927 hydrogen cyanide (HCN)-, 47 2,4-diacetylphloroglucinol (PHL)-, 6 pyoluteorin (PLT)-, 14 pyrrolnitrin (PRN)-, and 8 phenazine (PHZ)-producing isolates have been detected. A cluster analysis (≥99% identity) identified 10 operational taxonomic units (OTUs) in antibiotic biosynthesis gene-possessing pseudomonads. OTU HLR (PHL, PLT, and PRN) contained four antibiotics: HCN, PHL, PLT, and PRN, while OTU RZ (PRN and PHZ) contained three: HCN, PRN, and PHZ. OTU H1, H2, H3, H4, H5, H6, and H7 (PHL1-7) contained two antibiotics: HCN and PHL, while OTU H8 (PHL8) contained one: PHL. Isolates belonging to OTU HLR and RZ suppressed damping-off disease in cabbage seedlings caused by Rhizoctonia solani. Effective strains belonging to OTU HLR and RZ were related to Pseudomonas protegens and Pseudomonas chlororaphis, respectively. Antibiotic biosynthesis gene-possessing fluorescent pseudomonads are distributed among different geographical sites in Japan and plant species.
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Affiliation(s)
- Nobutaka Someya
- Institute of Vegetable and Floriculture Science, National Agriculture and Food Research Organization (NARO)
| | - Masaharu Kubota
- Institute of Vegetable and Floriculture Science, National Agriculture and Food Research Organization (NARO)
| | | | | | - Ryohei Sakuraoka
- Department of Innovation Systems Engineering, Graduate School of Engineering, Utsunomiya University
| | - Tomohiro Morohoshi
- Department of Material and Environmental Chemistry, Graduate School of Engineering, Utsunomiya University
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Metabolic reconstruction of Pseudomonas chlororaphis ATCC 9446 to understand its metabolic potential as a phenazine-1-carboxamide-producing strain. Appl Microbiol Biotechnol 2020; 104:10119-10132. [PMID: 32984920 DOI: 10.1007/s00253-020-10913-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 09/07/2020] [Accepted: 09/15/2020] [Indexed: 01/01/2023]
Abstract
Pseudomonas chlororaphis is a plant-associated bacterium with reported antagonistic activity against different organisms and plant growth-promoting properties. P. chlororaphis possesses exciting biotechnological features shared with another Pseudomonas with a nonpathogenic phenotype. Part of the antagonistic role of P. chlororaphis is due to its production of a wide variety of phenazines. To expand the knowledge of the metabolic traits of this organism, we constructed the first experimentally validated genome-scale model of P. chlororaphis ATCC 9446, containing 1267 genes and 2289 reactions, and analyzed strategies to maximize its potential for the production of phenazine-1-carboxamide (PCN). The resulting model also describes the capability of P. chlororaphis to carry out the denitrification process and its ability to consume sucrose (Scr), trehalose, mannose, and galactose as carbon sources. Additionally, metabolic network analysis suggested fatty acids as the best carbon source for PCN production. Moreover, the optimization of PCN production was performed with glucose and glycerol. The optimal PCN production phenotype requires an increased carbon flux in TCA and glutamine synthesis. Our simulations highlight the intrinsic H2O2 flux associated with PCN production, which may generate cellular stress in an overproducing strain. These results suggest that an improved antioxidative strategy could lead to optimal performance of phenazine-producing strains of P. chlororaphis. KEY POINTS : • This is the first publication of a metabolic model for a strain of P. chlororaphis. • Genome-scale model is worthy tool to increase the knowledge of a non model organism. • Fluxes simulations indicate a possible effect of H2O2 on phenazines production. • P. chlororaphis can be a suitable model for a wide variety of compounds.
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Anderson AJ, Kim YC. Insights into plant-beneficial traits of probiotic Pseudomonas chlororaphis isolates. J Med Microbiol 2020; 69:361-371. [DOI: 10.1099/jmm.0.001157] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Pseudomonas chlororaphisisolates have been studied intensively for their beneficial traits.P. chlororaphisspecies function as probiotics in plants and fish, offering plants protection against microbes, nematodes and insects. In this review, we discuss the classification ofP. chlororaphisisolates within four subspecies; the shared traits include the production of coloured antimicrobial phenazines, high sequence identity between housekeeping genes and similar cellular fatty acid composition. The direct antimicrobial, insecticidal and nematocidal effects ofP. chlororaphisisolates are correlated with known metabolites. Other metabolites prime the plants for stress tolerance and participate in microbial cell signalling events and biofilm formation among other things. Formulations ofP. chlororaphisisolates and their metabolites are currently being commercialized for agricultural use.
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Affiliation(s)
- Anne J. Anderson
- Department of Biological Engineering, Utah State University, Logan UT84322, USA
| | - Young Cheol Kim
- Department of Applied Biology, Chonnam National University, Gwangju 61186, Republic of Korea
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Skowronek M, Sajnaga E, Pleszczyńska M, Kazimierczak W, Lis M, Wiater A. Bacteria from the Midgut of Common Cockchafer ( Melolontha melolontha L.) Larvae Exhibiting Antagonistic Activity Against Bacterial Symbionts of Entomopathogenic Nematodes: Isolation and Molecular Identification. Int J Mol Sci 2020; 21:ijms21020580. [PMID: 31963214 PMCID: PMC7013910 DOI: 10.3390/ijms21020580] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/13/2020] [Accepted: 01/14/2020] [Indexed: 12/27/2022] Open
Abstract
The mechanisms of action of the complex including entomopathogenic nematodes of the genera Steinernema and Heterorhabditis and their mutualistic partners, i.e., bacteria Xenorhabdus and Photorhabdus, have been well explained, and the nematodes have been commercialized as biological control agents against many soil insect pests. However, little is known regarding the nature of the relationships between these bacteria and the gut microbiota of infected insects. In the present study, 900 bacterial isolates that were obtained from the midgut samples of Melolontha melolontha larvae were screened for their antagonistic activity against the selected species of the genera Xenorhabdus and Photorhabdus. Twelve strains exhibited significant antibacterial activity in the applied tests. They were identified based on 16S rRNA and rpoB, rpoD, or recA gene sequences as Pseudomonas chlororaphis, Citrobacter murliniae, Acinetobacter calcoaceticus, Chryseobacterium lathyri, Chryseobacterium sp., Serratia liquefaciens, and Serratia sp. The culture filtrate of the isolate P. chlororaphis MMC3 L3 04 exerted the strongest inhibitory effect on the tested bacteria. The results of the preliminary study that are presented here, which focused on interactions between the insect gut microbiota and mutualistic bacteria of entomopathogenic nematodes, show that bacteria inhabiting the gut of insects might play a key role in insect resistance to entomopathogenic nematode pressure.
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Affiliation(s)
- Marcin Skowronek
- Laboratory of Biocontrol, Application and Production of EPN, Centre for Interdisciplinary Research, Faculty of Biotechnology and Environmental Sciences, John Paul II Catholic University of Lublin, ul. Konstantynów 1J, 20-708 Lublin, Poland; (E.S.); (W.K.); (M.L.)
- Correspondence: (M.S.); (A.W.)
| | - Ewa Sajnaga
- Laboratory of Biocontrol, Application and Production of EPN, Centre for Interdisciplinary Research, Faculty of Biotechnology and Environmental Sciences, John Paul II Catholic University of Lublin, ul. Konstantynów 1J, 20-708 Lublin, Poland; (E.S.); (W.K.); (M.L.)
| | - Małgorzata Pleszczyńska
- Department of Industrial and Environmental Microbiology, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, ul. Akademicka 19, 20-033 Lublin, Poland;
| | - Waldemar Kazimierczak
- Laboratory of Biocontrol, Application and Production of EPN, Centre for Interdisciplinary Research, Faculty of Biotechnology and Environmental Sciences, John Paul II Catholic University of Lublin, ul. Konstantynów 1J, 20-708 Lublin, Poland; (E.S.); (W.K.); (M.L.)
| | - Magdalena Lis
- Laboratory of Biocontrol, Application and Production of EPN, Centre for Interdisciplinary Research, Faculty of Biotechnology and Environmental Sciences, John Paul II Catholic University of Lublin, ul. Konstantynów 1J, 20-708 Lublin, Poland; (E.S.); (W.K.); (M.L.)
| | - Adrian Wiater
- Department of Industrial and Environmental Microbiology, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, ul. Akademicka 19, 20-033 Lublin, Poland;
- Correspondence: (M.S.); (A.W.)
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Arrebola E, Tienda S, Vida C, de Vicente A, Cazorla FM. Fitness Features Involved in the Biocontrol Interaction of Pseudomonas chlororaphis With Host Plants: The Case Study of PcPCL1606. Front Microbiol 2019; 10:719. [PMID: 31024497 PMCID: PMC6469467 DOI: 10.3389/fmicb.2019.00719] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 03/21/2019] [Indexed: 12/31/2022] Open
Abstract
The goal of this mini review is to summarize the relevant contribution of some beneficial traits to the behavior of the species Pseudomonas chlororaphis, and using that information, to give a practical point of view using the model biocontrol strain P. chlororaphis PCL1606 (PcPCL1606). Among the group of plant-beneficial rhizobacteria, P. chlororaphis has emerged as a plant- and soil-related bacterium that is mainly known because of its biological control of phytopathogenic fungi. Many traits have been reported to be crucial during the multitrophic interaction involving the plant, the fungal pathogen and the soil environment. To explore the different biocontrol-related traits, the biocontrol rhizobacterium PcPCL1606 has been used as a model in recent studies. This bacterium is antagonistic to many phytopathogenic fungi and displays effective biocontrol against fungal phytopathogens. Antagonistic and biocontrol activities are directly related to the production of the compound 2-hexyl, 5-propyl resorcinol (HPR), despite the production of other antifungal compounds. Furthermore, PcPCL1606 has displayed additional traits regarding its fitness in soil and plant root environments such as soil survival, efficient plant root colonization, cell-to-cell interaction or promotion of plant growth.
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Affiliation(s)
- Eva Arrebola
- Departamento de Microbiología, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain.,Instituto de Hortofruticultura Subtropical y Mediterránea "La Mayora" IHSM, UMA-CSIC, Málaga, Spain
| | - Sandra Tienda
- Departamento de Microbiología, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain.,Instituto de Hortofruticultura Subtropical y Mediterránea "La Mayora" IHSM, UMA-CSIC, Málaga, Spain
| | - Carmen Vida
- Departamento de Microbiología, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain.,Instituto de Hortofruticultura Subtropical y Mediterránea "La Mayora" IHSM, UMA-CSIC, Málaga, Spain
| | - Antonio de Vicente
- Departamento de Microbiología, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain.,Instituto de Hortofruticultura Subtropical y Mediterránea "La Mayora" IHSM, UMA-CSIC, Málaga, Spain
| | - Francisco M Cazorla
- Departamento de Microbiología, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain.,Instituto de Hortofruticultura Subtropical y Mediterránea "La Mayora" IHSM, UMA-CSIC, Málaga, Spain
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12
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Batrich M, Maskeri L, Schubert R, Ho B, Kohout M, Abdeljaber M, Abuhasna A, Kholoki M, Psihogios P, Razzaq T, Sawhney S, Siddiqui S, Xoubi E, Cooper A, Hatzopoulos T, Putonti C. Pseudomonas Diversity Within Urban Freshwaters. Front Microbiol 2019; 10:195. [PMID: 30828321 PMCID: PMC6384249 DOI: 10.3389/fmicb.2019.00195] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 01/23/2019] [Indexed: 11/23/2022] Open
Abstract
Freshwater lakes are home to bacterial communities with 1000s of interdependent species. Numerous high-throughput 16S rRNA gene sequence surveys have provided insight into the microbial taxa found within these waters. Prior surveys of Lake Michigan waters have identified bacterial species common to freshwater lakes as well as species likely introduced from the urban environment. We cultured bacterial isolates from samples taken from the Chicago nearshore waters of Lake Michigan in an effort to look more closely at the genetic diversity of species found there within. The most abundant genus detected was Pseudomonas, whose presence in freshwaters is often attributed to storm water or runoff. Whole genome sequencing was conducted for 15 Lake Michigan Pseudomonas strains, representative of eight species and three isolates that could not be resolved with named species. These genomes were examined specifically for genes encoding functionality which may be advantageous in their urban environment. Antibiotic resistance, amidst other known virulence factors and defense mechanisms, were identified in the genome annotations and verified in the lab. We also tested the Lake Michigan Pseudomonas strains for siderophore production and resistance to the heavy metals mercury and copper. As the study presented here shows, a variety of pseudomonads have inhabited the urban coastal waters of Lake Michigan.
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Affiliation(s)
- Mary Batrich
- Niehoff School of Nursing, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States
| | - Laura Maskeri
- Bioinformatics Program, Loyola University Chicago, Chicago, IL, United States
| | - Ryan Schubert
- Bioinformatics Program, Loyola University Chicago, Chicago, IL, United States.,Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Brian Ho
- Bioinformatics Program, Loyola University Chicago, Chicago, IL, United States.,Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Melanie Kohout
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Malik Abdeljaber
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Ahmed Abuhasna
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Mutah Kholoki
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Penelope Psihogios
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Tahir Razzaq
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Samrita Sawhney
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Salah Siddiqui
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Eyad Xoubi
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Alexandria Cooper
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Thomas Hatzopoulos
- Department of Computer Science, Loyola University Chicago, Chicago, IL, United States
| | - Catherine Putonti
- Bioinformatics Program, Loyola University Chicago, Chicago, IL, United States.,Department of Biology, Loyola University Chicago, Chicago, IL, United States.,Department of Computer Science, Loyola University Chicago, Chicago, IL, United States.,Department of Microbiology and Immunology, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States
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13
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Takishita Y, Charron JB, Smith DL. Biocontrol Rhizobacterium Pseudomonas sp. 23S Induces Systemic Resistance in Tomato ( Solanum lycopersicum L.) Against Bacterial Canker Clavibacter michiganensis subsp. michiganensis. Front Microbiol 2018; 9:2119. [PMID: 30254615 PMCID: PMC6141633 DOI: 10.3389/fmicb.2018.02119] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 08/20/2018] [Indexed: 01/27/2023] Open
Abstract
Tomato bacterial canker disease, caused by Clavibacter michiganensis subsp. michiganensis (Cmm) is a destructive disease and has been a serious concern for tomato industries worldwide. Previously, a rhizosphere isolated strain of Pseudomonas sp. 23S showed antagonistic activity toward Cmm in vitro. This Pseudomonas sp. 23S was characterized to explore the potential of this bacterium for its use in agriculture. Pseudomonas sp. 23S possesses ability to solubilize inorganic phosphorus, and to produce siderophores, indole acetic acid, and hydrogen cyanide. The strain also showed antagonistic activity against Pseudomonas syringae pv. tomato DC 3000. A plant assay indicated that Pseudomonas sp. 23S could promote growth of tomato seedlings. The potential of treating tomato plants with Pseudomonas sp. 23S to reduce the severity of tomato bacterial canker by inducing systemic resistance (ISR) was investigated using well characterized marker genes such as PR1a [salicylic acid (SA)], PI2 [jasmonic acid (JA)], and ACO [ethylene (ET)]. Two-week-old tomato plants were treated with Pseudomonas sp. 23S by soil drench, and Cmm was inoculated into the stem by needle injection on 3, 5, or 7 days post drench. The results indicated that plants treated with Pseudomonas sp. 23S, 5 days prior to Cmm inoculation significantly delayed the progression of the disease. These plants, after 3 weeks from the date of Cmm inoculation, had significantly higher dry shoot and root weight, higher levels of carbon, nitrogen, phosphorus, and potassium in the leaf tissue, and the number of Cmm population in the stem was significantly lower for the plants treated with Pseudomonas sp. 23S. From the real-time quantitative PCR (qRT-PCR) analysis, the treatment with Pseudomonas sp. 23S alone was found to trigger a significant increase in the level of PR1a transcripts in tomato plants. When the plants were treated with Pseudomonas sp. 23S and inoculated with Cmm, the level of PR1a and ACO transcripts were increased, and this response was faster and greater as compared to plants inoculated with Cmm but not treated with Pseudomonas sp. 23S. Overall, the results suggested the involvement of SA signaling pathways for ISR induced by Pseudomonas sp. 23S.
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Affiliation(s)
| | | | - Donald L. Smith
- Department of Plant Science, McGill University, Montréal, QC, Canada
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14
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Shahid I, Malik KA, Mehnaz S. A decade of understanding secondary metabolism in Pseudomonas spp. for sustainable agriculture and pharmaceutical applications. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/s42398-018-0006-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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15
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Gutiérrez-García K, Neira-González A, Pérez-Gutiérrez RM, Granados-Ramírez G, Zarraga R, Wrobel K, Barona-Gómez F, Flores-Cotera LB. Phylogenomics of 2,4-Diacetylphloroglucinol-Producing Pseudomonas and Novel Antiglycation Endophytes from Piper auritum. JOURNAL OF NATURAL PRODUCTS 2017; 80:1955-1963. [PMID: 28704049 DOI: 10.1021/acs.jnatprod.6b00823] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
2,4-Diacetylphloroglucinol (DAPG) (1) is a phenolic polyketide produced by some plant-associated Pseudomonas species, with many biological activities and ecological functions. Here, we aimed at reconstructing the natural history of DAPG using phylogenomics focused at its biosynthetic gene cluster or phl genes. In addition to around 1500 publically available genomes, we obtained and analyzed the sequences of nine novel Pseudomonas endophytes isolated from the antidiabetic medicinal plant Piper auritum. We found that 29 organisms belonging to six Pseudomonas species contain the phl genes at different frequencies depending on the species. The evolution of the phl genes was then reconstructed, leading to at least two clades postulated to correlate with the known chemical diversity surrounding DAPG biosynthesis. Moreover, two of the newly obtained Pseudomonas endophytes with high antiglycation activity were shown to exert their inhibitory activity against the formation of advanced glycation end-products via DAPG and related congeners. Its isomer, 5-hydroxyferulic acid (2), detected during bioactivity-guided fractionation, together with other DAPG congeners, were found to enhance the detected inhibitory activity. This report provides evidence of a link between the evolution and chemical diversity of DAPG and congeners.
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Affiliation(s)
- Karina Gutiérrez-García
- Evolution of Metabolic Diversity Laboratory, Unidad de Genómica Avanzada (Langebio), Cinvestav-IPN , Irapuato 36821, Guanajuato, Mexico
- Laboratory of Microbial Secondary Metabolism, Department of Biotechnology, Cinvestav-IPN Mexico City 07360, Mexico
| | - Adriana Neira-González
- Laboratory of Microbial Secondary Metabolism, Department of Biotechnology, Cinvestav-IPN Mexico City 07360, Mexico
| | - Rosa Martha Pérez-Gutiérrez
- Laboratory of Natural Products Research, ESIQUIE-IPN , Unidad Profesional Adolfo López Mateos, Avenida Instituto Politécnico Nacional, Mexico City 07708, Mexico
| | | | - Ramon Zarraga
- Chemistry Department, Division of Natural and Exact Sciences, University of Guanajuato , Guanajuato 36000, Guanajuato, Mexico
| | - Kazimierz Wrobel
- Chemistry Department, Division of Natural and Exact Sciences, University of Guanajuato , Guanajuato 36000, Guanajuato, Mexico
| | - Francisco Barona-Gómez
- Evolution of Metabolic Diversity Laboratory, Unidad de Genómica Avanzada (Langebio), Cinvestav-IPN , Irapuato 36821, Guanajuato, Mexico
| | - Luis B Flores-Cotera
- Laboratory of Microbial Secondary Metabolism, Department of Biotechnology, Cinvestav-IPN Mexico City 07360, Mexico
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16
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Raio A, Reveglia P, Puopolo G, Cimmino A, Danti R, Evidente A. Involvement of phenazine-1-carboxylic acid in the interaction between Pseudomonas chlororaphis subsp. aureofaciens strain M71 and Seiridium cardinale in vivo. Microbiol Res 2017; 199:49-56. [DOI: 10.1016/j.micres.2017.03.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 01/17/2017] [Accepted: 03/10/2017] [Indexed: 02/02/2023]
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