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Serrão CP, Ortega JCG, Rodrigues PC, de Souza CRB. Bacillus species as tools for biocontrol of plant diseases: A meta-analysis of twenty-two years of research, 2000-2021. World J Microbiol Biotechnol 2024; 40:110. [PMID: 38411743 DOI: 10.1007/s11274-024-03935-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 02/21/2024] [Indexed: 02/28/2024]
Abstract
The traditional way of dealing with plant diseases has been the use of chemical products, but these harm the environment and are incompatible with the global effort for sustainable development. The use of Bacillus and related species in the biological control of plant diseases is a trend in green agriculture. Many studies report the positive effect of these bacteria, but a synthesis is still necessary. So, the objective of this work is to perform a meta-analysis of Bacillus biocontrol potential and identify factors that drive its efficacy. Data were compiled from articles published in journals listed in two of the main scientific databases between 2000 and 2021. Among 6159 articles retrieved, 399 research papers met the inclusion criteria for a systematic review. Overall, Bacilli biocontrol agents reduced disease by 60% compared to control groups. Furthermore, experimental tests with higher concentrations show a strong protective effect, unlike low and single concentration essays. Biocontrol efficacy also increased when used as a protective inoculation rather than therapeutic inoculation. Inoculation directly in the fruit has a greater effect than soil drenching. The size of the effect of Bacillus-based commercial products is lower than the newly tested strains. The findings presented in this study confirm the power of Bacillus-based bioinoculants and provide valuable guidance for practitioners, researchers, and policymakers seeking effective and sustainable solutions in plant disease management.
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Affiliation(s)
- Cleyson Pantoja Serrão
- Instituto de Ciências Biológicas, Universidade Federal do Pará (UFPA), Belém, CEP 66075-110, PA, Brazil
- Programa de Pós-Graduação em Genética e Biologia Molecular, UFPA, Belém, CEP 66075-110, PA, Brazil
| | | | - Paulo Canas Rodrigues
- Departamento de Estatística, Universidade Federal da Bahia (UFBA), Salvador, CEP 40170-110, BA, Brazil
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Sharma V, Mohammed SA, Devi N, Vats G, Tuli HS, Saini AK, Dhir YW, Dhir S, Singh B. Unveiling the dynamic relationship of viruses and/or symbiotic bacteria with plant resilience in abiotic stress. STRESS BIOLOGY 2024; 4:10. [PMID: 38311681 PMCID: PMC10838894 DOI: 10.1007/s44154-023-00126-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 10/22/2023] [Indexed: 02/06/2024]
Abstract
In the ecosphere, plants interact with environmental biotic and abiotic partners, where unbalanced interactions can induce unfavourable stress conditions. Abiotic factors (temperature, water, and salt) are primarily required for plants healthy survival, and any change in their availability is reflected as a stress signal. In certain cases, the presence of infectious pathogens such as viruses, bacteria, fungi, protozoa, nematodes, and insects can also create stress conditions in plants, leading to the emergence of disease or deficiency symptoms. While these symptoms are often typical of abiotic or biotic stress, however, there are instances where they can intensify under specific conditions. Here, we primarily summarize the viral interactions with plants during abiotic stress to understand how these associations are linked together during viral pathogenesis. Secondly, focus is given to the beneficial effects of root-associated symbiotic bacteria in fulfilling the basic needs of plants during normal as well as abiotic stress conditions. The modulations of plant functional proteins, and their occurrence/cross-talk, with pathogen (virus) and symbiont (bacteria) molecules are also discussed. Furthermore, we have highlighted the biochemical and systematic adaptations that develop in plants due to bacterial symbiosis to encounter stress hallmarks. Lastly, directions are provided towards exploring potential rhizospheric bacteria to maintain plant-microbes ecosystem and manage abiotic stress in plants to achieve better trait health in the horticulture crops.
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Affiliation(s)
- Vasudha Sharma
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Shakeel A Mohammed
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Nisha Devi
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Gourav Vats
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Hardeep S Tuli
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Adesh K Saini
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Yashika W Dhir
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India.
| | - Sunny Dhir
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India.
| | - Bharat Singh
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India.
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Zhao Y, Liu T, Wu S, Zhang D, Xiao Z, Ren Z, Li L, Liu S, Xiao Y, Tang Q. Insight into the soil bacterial community succession of Nicotiana benthamiana in response to Tobacco mosaic virus. Front Microbiol 2024; 15:1341296. [PMID: 38357345 PMCID: PMC10864551 DOI: 10.3389/fmicb.2024.1341296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/15/2024] [Indexed: 02/16/2024] Open
Abstract
Background Tobacco mosaic virus (TMV) is one famous plant virus responsible for substantial economic losses worldwide. However, the roles of bacterial communities in response to TMV in the tobacco rhizosphere remain unclear. Methods We explored the soil physicochemical properties and bacterial community succession of the healthy (YTH) and diseased (YTD) plants with TMV infection by 16S rRNA gene sequencing and bioinformatics analysis. Results We found that soil pH in the YTD group was significantly lower than in the YTH group, and the soil available nutrients were substantially higher. The bacterial community analysis found that the diversity and structure significantly differed post-TMV disease onset. With TMV inoculated, the alpha diversity of the bacterial community in the YTD was markedly higher than that in the YTH group at the early stage. However, the alpha diversity in the YTD group subsequently decreased to lower than in the YTH group. The early bacterial structure of healthy plants exhibited higher susceptibility to TMV infection, whereas, in the subsequent stages, there was an enrichment of beneficial bacterial (e.g., Ramlibacter, Sphingomonas, Streptomyces, and Niastella) and enhanced energy metabolism and nucleotide metabolism in bacteria. Conclusion The initial soil bacterial community exhibited susceptibility to TMV infection, which might contribute to strengthening resistance of Tobacco to TMV.
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Affiliation(s)
- Yuqiang Zhao
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | | | | | - Deyong Zhang
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | | | - Zuohua Ren
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Lingling Li
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Suoni Liu
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Yunhua Xiao
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Qianjun Tang
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
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Jang S, Choi SK, Zhang H, Zhang S, Ryu CM, Kloepper JW. History of a model plant growth-promoting rhizobacterium, Bacillus velezensis GB03: from isolation to commercialization. FRONTIERS IN PLANT SCIENCE 2023; 14:1279896. [PMID: 37885658 PMCID: PMC10598611 DOI: 10.3389/fpls.2023.1279896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 09/26/2023] [Indexed: 10/28/2023]
Abstract
Bacillus velezensis strain GB03 is a Gram-positive rhizosphere bacterium known for its ability to promote plant growth and immunity. This review provides a comprehensive overview of the research on GB03 from its initial discovery in Australian wheat fields in 1971 to its current applications. Recognized as a model plant growth-promoting rhizobacterium (PGPR), GB03 has exhibited outstanding performance in enhancing the growth and protection of many crop plants including cucumber, pepper, wheat, barley, soybean, and cotton. Notably, GB03 has been reported to elicit plant immune response, referred to as induced systemic resistance (ISR), against above-ground pathogens and insect pests. Moreover, a pivotal finding in GB03 was the first-ever identification of its bacterial volatile compounds, which are known to boost plant growth and activate ISR. Research conducted over the past five decades has clearly demonstrated the potential of GB03 as an eco-friendly substitute for conventional pesticides and fertilizers. Validating its safety, the U.S. Environmental Protection Agency endorsed GB03 for commercial use as Kodiak® in 1998. Subsequently, other compounds, such as BioYield™, were released as a biological control agent against soil-borne pathogens and as a biofertilizer, utilizing a durable spore formulation. More recently, GB03 has been utilized as a keystone modulator for engineering the rhizosphere microbiome and for eliciting microbe-induced plant volatiles. These extensive studies on GB03 underscore its significant role in sustainable agriculture, positioning it as a safe and environmentally-friendly solution for crop protection.
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Affiliation(s)
- Seonghan Jang
- Infectious Disease Research Center, Research Institute of Bioscience and Biotechnology (KRIBB), Yuseong-gu, Daejeon, Republic of Korea
| | - Soo-Keun Choi
- Infectious Disease Research Center, Research Institute of Bioscience and Biotechnology (KRIBB), Yuseong-gu, Daejeon, Republic of Korea
- Department of Biosystems and Bioengineering, KRIBB School of Biotechnology, Korea University of Science and Technology (UST), Yuseong-gu, Daejeon, Republic of Korea
| | - Huiming Zhang
- Shanghai Center for Plant Stress Biology, Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Shouan Zhang
- Tropical Research and Education Center, Department of Plant Pathology, University of Florida-IFAS, Homestead, FL, United States
| | - Choong-Min Ryu
- Infectious Disease Research Center, Research Institute of Bioscience and Biotechnology (KRIBB), Yuseong-gu, Daejeon, Republic of Korea
- Department of Biosystems and Bioengineering, KRIBB School of Biotechnology, Korea University of Science and Technology (UST), Yuseong-gu, Daejeon, Republic of Korea
| | - Joseph W. Kloepper
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, United States
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Chemical and Biological Studies of Endophytes Isolated from Marchantia polymorpha. Molecules 2023; 28:molecules28052202. [PMID: 36903448 PMCID: PMC10004590 DOI: 10.3390/molecules28052202] [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: 02/01/2023] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 03/02/2023] Open
Abstract
Natural bioresources, predominantly plants, have always been regarded as the richest source of drugs for diseases threatening humanity. Additionally, microorganism-originating metabolites have been extensively explored as weapons against bacterial, fungal, and viral infections. However, the biological potential of metabolites produced by plant endophytes still remains understudied, despite significant efforts reflected in recently published papers. Thus, our goal was to evaluate the metabolites produced by endophytes isolated from Marchantia polymorpha and to study their biological properties, namely anticancer and antiviral potential. The cytotoxicity and anticancer potential were assessed using the microculture tetrazolium technique (MTT) against non-cancerous VERO cells and cancer cells-namely the HeLa, RKO, and FaDu cell lines. The antiviral potential was tested against the human herpesvirus type-1 replicating in VERO cells by observing the influence of the extract on the virus-infected cells and measuring the viral infectious titer and viral load. The most characteristic metabolites identified in the ethyl acetate extract and fractions obtained by use of centrifugal partition chromatography (CPC) were volatile cyclic dipeptides, cyclo(l-phenylalanyl-l-prolyl), cyclo(l-leucyl-l-prolyl), and their stereoisomers. In addition to the diketopiperazine derivatives, this liverwort endophyte also produced arylethylamides and fatty acids amides. The presence of N-phenethylacetamide and oleic acid amide was confirmed. The endophyte extract and isolated fractions showed a potential selective anticancer influence on all tested cancer cell lines. Moreover, the extract and the first separated fraction noticeably diminished the formation of the HHV-1-induced cytopathic effect and reduced the virus infectious titer by 0.61-1.16 log and the viral load by 0.93-1.03 log. Endophytic organisms produced metabolites with potential anticancer and antiviral activity; thus, future studies should aim to isolate pure compounds and evaluate their biological activities.
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Plant Protection against Viruses: An Integrated Review of Plant Immunity Agents. Int J Mol Sci 2023; 24:ijms24054453. [PMID: 36901884 PMCID: PMC10002506 DOI: 10.3390/ijms24054453] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/13/2023] [Accepted: 02/21/2023] [Indexed: 03/05/2023] Open
Abstract
Plant viruses are an important class of pathogens that seriously affect plant growth and harm crop production. Viruses are simple in structure but complex in mutation and have thus always posed a continuous threat to agricultural development. Low resistance and eco-friendliness are important features of green pesticides. Plant immunity agents can enhance the resilience of the immune system by activating plants to regulate their metabolism. Therefore, plant immune agents are of great importance in pesticide science. In this paper, we review plant immunity agents, such as ningnanmycin, vanisulfane, dufulin, cytosinpeptidemycin, and oligosaccharins, and their antiviral molecular mechanisms and discuss the antiviral applications and development of plant immunity agents. Plant immunity agents can trigger defense responses and confer disease resistance to plants, and the development trends and application prospects of plant immunity agents in plant protection are analyzed in depth.
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Starchevskaya M, Kamanova E, Vyatkin Y, Tregubchak T, Bauer T, Bodnev S, Rotskaya U, Polenogova O, Kryukov V, Antonets D. The Metagenomic Analysis of Viral Diversity in Colorado Potato Beetle Public NGS Data. Viruses 2023; 15:v15020395. [PMID: 36851611 PMCID: PMC9963324 DOI: 10.3390/v15020395] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 01/21/2023] [Accepted: 01/29/2023] [Indexed: 02/03/2023] Open
Abstract
The Colorado potato beetle (CPB) is one of the most serious insect pests due to its high ecological plasticity and ability to rapidly develop resistance to insecticides. The use of biological insecticides based on viruses is a promising approach to control insect pests, but the information on viruses which infect leaf feeding beetles is scarce. We performed a metagenomic analysis of 297 CPB genomic and transcriptomic samples from the public National Center for Biotechnology Information Sequence Read Archive (NCBI SRA) database. The reads that were not aligned to the reference genome were assembled with metaSPAdes, and 13314 selected contigs were analyzed with BLAST tools. The contigs and non-aligned reads were also analyzed with Kraken2 software. A total of 3137 virus-positive contigs were attributed to different viruses belonging to 6 types, 17 orders, and 32 families, matching over 97 viral species. The annotated sequences can be divided into several groups: those that are homologous to genetic sequences of insect viruses (Adintoviridae, Ascoviridae, Baculoviridae, Dicistroviridae, Chuviridae, Hytrosaviridae, Iflaviridae, Iridoviridae, Nimaviridae, Nudiviridae, Phasmaviridae, Picornaviridae, Polydnaviriformidae, Xinmoviridae etc.), plant viruses (Betaflexiviridae, Bromoviridae, Kitaviridae, Potyviridae), and endogenous retroviral elements (Retroviridae, Metaviridae). Additionally, the full-length genomes and near-full length genome sequences of several viruses were assembled. We also found sequences belonging to Bracoviriform viruses and, for the first time, experimentally validated the presence of bracoviral genetic fragments in the CPB genome. Our work represents the first attempt to discover the viral genetic material in CPB samples, and we hope that further studies will help to identify new viruses to extend the arsenal of biopesticides against CPB.
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Affiliation(s)
- Maria Starchevskaya
- State Research Center of Virology and Biotechnology “Vector”, Rospotrebnadzor, 630559 Koltsovo, Russia
- Novel Software Systems LLC, Akademika Lavrentiev ave. 6, 630090 Novosibirsk, Russia
- Institute of Systematics and Ecology of Animals SB RAS, Frunze str. 11, 630091 Novosibirsk, Russia
- Correspondence:
| | - Ekaterina Kamanova
- State Research Center of Virology and Biotechnology “Vector”, Rospotrebnadzor, 630559 Koltsovo, Russia
- Novel Software Systems LLC, Akademika Lavrentiev ave. 6, 630090 Novosibirsk, Russia
| | - Yuri Vyatkin
- Novel Software Systems LLC, Akademika Lavrentiev ave. 6, 630090 Novosibirsk, Russia
- Department of Natural Sciences, Novosibirsk State University, Pirogova str. 2, 630090 Novosibirsk, Russia
| | - Tatyana Tregubchak
- State Research Center of Virology and Biotechnology “Vector”, Rospotrebnadzor, 630559 Koltsovo, Russia
| | - Tatyana Bauer
- State Research Center of Virology and Biotechnology “Vector”, Rospotrebnadzor, 630559 Koltsovo, Russia
| | - Sergei Bodnev
- State Research Center of Virology and Biotechnology “Vector”, Rospotrebnadzor, 630559 Koltsovo, Russia
| | - Ulyana Rotskaya
- Institute of Systematics and Ecology of Animals SB RAS, Frunze str. 11, 630091 Novosibirsk, Russia
| | - Olga Polenogova
- Institute of Systematics and Ecology of Animals SB RAS, Frunze str. 11, 630091 Novosibirsk, Russia
| | - Vadim Kryukov
- Institute of Systematics and Ecology of Animals SB RAS, Frunze str. 11, 630091 Novosibirsk, Russia
| | - Denis Antonets
- Novel Software Systems LLC, Akademika Lavrentiev ave. 6, 630090 Novosibirsk, Russia
- MSU Institute for Artificial Intelligence, Lomonosov ave. 27, 119192 Moscow, Russia
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