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Li ZY, Sun Q, Ma N, Zhang FJ, Zhang S, Zhang ZQ, Wang XF, Sun P, You CX, Zhang Z. Inhibitory Effect of Tea Saponin on Major Apple-Disease-Inducing Fungi. PHYTOPATHOLOGY 2023; 113:1853-1866. [PMID: 37311718 DOI: 10.1094/phyto-01-23-0014-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Plant secondary metabolites are well known for their biological functions in defending against pathogenic microorganisms. Tea saponin (TS), one type of secondary metabolite of the tea plant (Camellia sinensis), has been shown to be a valuable botanical pesticide. However, its antifungal activity in controlling the fungi Valsa mali, Botryosphaeria dothidea, and Alternaria alternata, which induce major diseases in apple (Malus domestica), has not been determined. In this study, we first determined that TS has higher inhibitory activity than catechins against the three types of fungi. We further utilized in vitro and in vivo assays to confirm that TS showed high antifungal activity against the three types of fungi, especially for V. mali and B. dothidea. In the in vivo assay, application of a 0.5% TS solution was able to restrain the fungus-induced necrotic area in detached apple leaves efficiently. Moreover, a greenhouse infection assay also confirmed that TS treatment significantly inhibited V. mali infection in leaves of apple seedlings. In addition, TS treatment activated plant immune responses by decreasing accumulation of reactive oxygen species and promoting the activity of pathogenesis-related proteins, including chitinase and β-1,3-glucanase. This indicated that TS might serve as a plant defense inducer to activate innate immunity to fight against fungal pathogen invasion. Therefore, our data indicated that TS might restrain fungal infection in two ways, by directly inhibiting the growth of fungi and by activating plant innate defense responses as a plant defense inducer.
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Affiliation(s)
- Zhao-Yang Li
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, China, 271000
| | - Qian Sun
- Forestry Development Service Center of Guangrao, Dongying, Shandong, China, 257399
| | - Ning Ma
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, China, 271000
| | - Fu-Jun Zhang
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, China, 271000
- Department of Horticulture, College of Agriculture, Shihezi University, Shihezi, Xinjiang, China, 832003
| | - Shuai Zhang
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, China, 271000
| | - Zheng-Qun Zhang
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, China, 271000
| | - Xiao-Fei Wang
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, China, 271000
| | - Ping Sun
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, China, 271000
| | - Chun-Xiang You
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, China, 271000
| | - Zhenlu Zhang
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, China, 271000
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Comitini F, Canonico L, Agarbati A, Ciani M. Biocontrol and Probiotic Function of Non- Saccharomyces Yeasts: New Insights in Agri-Food Industry. Microorganisms 2023; 11:1450. [PMID: 37374952 DOI: 10.3390/microorganisms11061450] [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: 04/29/2023] [Revised: 05/27/2023] [Accepted: 05/28/2023] [Indexed: 06/29/2023] Open
Abstract
Fermented food matrices, including beverages, can be defined as the result of the activity of complex microbial ecosystems where different microorganisms interact according to different biotic and abiotic factors. Certainly, in industrial production, the technological processes aim to control the fermentation to place safe foods on the market. Therefore, if food safety is the essential prerogative, consumers are increasingly oriented towards a healthy and conscious diet driving the production and consequently the applied research towards natural processes. In this regard, the aim to guarantee the safety, quality and diversity of products should be reached limiting or avoiding the addition of antimicrobials or synthetic additives using the biological approach. In this paper, the recent re-evaluation of non-Saccharomyces yeasts (NSYs) has been reviewed in terms of bio-protectant and biocontrol activity with a particular focus on their antimicrobial power using different application modalities including biopackaging, probiotic features and promoting functional aspects. In this review, the authors underline the contribution of NSYs in the food production chain and their role in the technological and fermentative features for their practical and useful use as a biocontrol agent in food preparations.
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Affiliation(s)
- Francesca Comitini
- Dipartimento di Scienze della Vita e dell'Ambiente (DiSVA), Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy
| | - Laura Canonico
- Dipartimento di Scienze della Vita e dell'Ambiente (DiSVA), Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy
| | - Alice Agarbati
- Dipartimento di Scienze della Vita e dell'Ambiente (DiSVA), Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy
| | - Maurizio Ciani
- Dipartimento di Scienze della Vita e dell'Ambiente (DiSVA), Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy
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Thambugala KM, Daranagama DA, Phillips AJL, Kannangara SD, Promputtha I. Fungi vs. Fungi in Biocontrol: An Overview of Fungal Antagonists Applied Against Fungal Plant Pathogens. Front Cell Infect Microbiol 2020; 10:604923. [PMID: 33330142 PMCID: PMC7734056 DOI: 10.3389/fcimb.2020.604923] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 10/23/2020] [Indexed: 11/21/2022] Open
Abstract
Plant pathogens cause severe losses or damage to crops worldwide and thereby significantly reduce the quality and quantity of agricultural commodities. World tendencies are shifting towards reducing the usage of chemically synthesized pesticides, while various biocontrol methods, strategies and approaches are being used in plant disease management. Fungal antagonists play a significant role in controlling plant pathogens and diseases and they are used as Biocontrol Agents (BCAs) throughout the world. This review provides a comprehensive list of fungal BCAs used against fungal plant pathogens according to modern taxonomic concepts, and clarifies their phylogenetic relationships because thewrong names are frequently used in the literature of biocontrol. Details of approximately 300 fungal antagonists belonging to 13 classes and 113 genera are listed together with the target pathogens and corresponding plant diseases. Trichoderma is identified as the genus with greatest potential comprising 25 biocontrol agents that have been used against a number of plant fungal diseases. In addition to Trichoderma, nine genera are recognized as significant comprising five or more known antagonistic species, namely, Alternaria, Aspergillus, Candida, Fusarium, Penicillium, Pichia, Pythium, Talaromyces, and Verticillium. A phylogenetic analysis based on partial sequences of the 28S nrRNA gene (LSU) of fungal antagonists was performed to establish their phylogenetic relationships.
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Affiliation(s)
- Kasun M Thambugala
- Department of Plant and Molecular Biology, Faculty of Science, University of Kelaniya, Kelaniya, Sri Lanka.,Genetics and Molecular Biology Unit, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
| | - Dinushani A Daranagama
- Department of Plant and Molecular Biology, Faculty of Science, University of Kelaniya, Kelaniya, Sri Lanka
| | - Alan J L Phillips
- Faculdade de Ciências, Biosystems and Integrative Sciences Institute (BioISI), Universidade de Lisboa, Lisbon, Portugal
| | - Sagarika D Kannangara
- Department of Plant and Molecular Biology, Faculty of Science, University of Kelaniya, Kelaniya, Sri Lanka
| | - Itthayakorn Promputtha
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand.,Research Center in Bioresources for Agriculture, Industry and Medicine, Chiang Mai University, Chiang Mai, Thailand
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Freimoser FM, Rueda-Mejia MP, Tilocca B, Migheli Q. Biocontrol yeasts: mechanisms and applications. World J Microbiol Biotechnol 2019; 35:154. [PMID: 31576429 PMCID: PMC6773674 DOI: 10.1007/s11274-019-2728-4] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 09/17/2019] [Indexed: 01/10/2023]
Abstract
Yeasts occur in all environments and have been described as potent antagonists of various plant pathogens. Due to their antagonistic ability, undemanding cultivation requirements, and limited biosafety concerns, many of these unicellular fungi have been considered for biocontrol applications. Here, we review the fundamental research on the mechanisms (e.g., competition, enzyme secretion, toxin production, volatiles, mycoparasitism, induction of resistance) by which biocontrol yeasts exert their activity as plant protection agents. In a second part, we focus on five yeast species (Candida oleophila, Aureobasidium pullulans, Metschnikowia fructicola, Cryptococcus albidus, Saccharomyces cerevisiae) that are or have been registered for the application as biocontrol products. These examples demonstrate the potential of yeasts for commercial biocontrol usage, but this review also highlights the scarcity of fundamental studies on yeast biocontrol mechanisms and of registered yeast-based biocontrol products. Yeast biocontrol mechanisms thus represent a largely unexplored field of research and plentiful opportunities for the development of commercial, yeast-based applications for plant protection exist.
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Affiliation(s)
- Florian M Freimoser
- Agroscope, Research Division Plant Protection, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland.
| | - Maria Paula Rueda-Mejia
- Agroscope, Research Division Plant Protection, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland
| | - Bruno Tilocca
- Dipartimento di Agraria, Università degli Studi di Sassari, Viale Italia 39, 07100, Sassari, Italy
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Quirico Migheli
- Dipartimento di Agraria, Università degli Studi di Sassari, Viale Italia 39, 07100, Sassari, Italy
- Istituto Nazionale di Biostrutture e Biosistemi and NRD - Nucleo di Ricerca sulla Desertificazione, Università degli Studi di Sassari, Viale Italia 39, 07100, Sassari, Italy
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Yang Y, Zhang T. Antimicrobial Activities of Tea Polyphenol on Phytopathogens: A Review. Molecules 2019; 24:molecules24040816. [PMID: 30823535 PMCID: PMC6413138 DOI: 10.3390/molecules24040816] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 02/22/2019] [Accepted: 02/23/2019] [Indexed: 02/07/2023] Open
Abstract
The use of natural antimicrobial compounds in crop production has gained much attention from consumers and the agricultural industry. Consequently, interest in more natural, non-synthetic antimicrobials as potential alternatives to conventional chemical pesticides to combat phytopathogens has heightened. Tea polyphenol (TP), a unique and highly important functional component of tea plants, has been reported to possess antimicrobial properties against a wide spectrum of plant pathogens. The aim of this review is to discuss the emerging findings on the mechanisms of antimicrobial action, and the antimicrobial properties of TP, including their major components, effectiveness, and synergistic effects. More studies, particularly field studies, are still necessary to establish conclusive evidence for the effectiveness of TP against phytopathogens. However, the basic conclusion from existing studies suggests that TP is a potential antimicrobial agent for pesticide reduction in agricultural systems.
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Affiliation(s)
- Yuheng Yang
- College of Plant Protection, Southwest University, Chongqing 400715, China.
| | - Tong Zhang
- College of Resources and Environment, Southwest University, Chongqing 400715, China.
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Yang XP, Jiang XD, Chen JJ, Zhang SS. Control of postharvest grey mould decay of nectarine by tea polyphenol combined with tea saponin. Lett Appl Microbiol 2013; 57:502-9. [PMID: 23909749 DOI: 10.1111/lam.12139] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Revised: 07/17/2013] [Accepted: 07/29/2013] [Indexed: 11/28/2022]
Abstract
UNLABELLED The control efficacy of tea polyphenol (TP) in combination with tea saponin (TS) against nectarine grey mould decay caused by Botrytis cinerea and the underlying mechanism were investigated. The in vitro experiments showed that both TP and TS inhibited the mycelial growth in a dose-dependent manner, and their combinations exhibited synergistic antifungal interactions with the synergistic ratios (SR) exceeding 1·5. The in vivo experiments showed that disease incidence and lesion diameter of grey mould of inoculated fruit were significantly lowered after being treated with the combination of TP and TS; furthermore, the activities of phenylalanine ammonia-lyase (PAL), peroxidase (POD), polyphenol oxidase (PPO), chitinase and β-1,3-glucanase of inoculated fruit as well as the contents of total phenolic and lignin were significantly induced, the respiration rate of inoculated fruit was significantly decreased and therefore the quality decrease was accordingly retarded. These results revealed that TP in combination with TS could control grey mould of inoculated nectarines and their mechanism of action might be attributed to their active components, the induction of defensive system and the regulation of respiration. SIGNIFICANCE AND IMPACT OF THE STUDY This study demonstrates that the combination of TP and TS has exhibited synergistic antifungal interactions against Botrytis cinerea, and it suggests that their combination may be useful and effective agents for the control of nectarine grey mould decay. Such natural products therefore represent a promising alternative to synthetic fungicides in the control of nectarine postharvest diseases.
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Affiliation(s)
- X P Yang
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan, China
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Liu HM, Guo JH, Cheng YJ, Liu P, Long CA, Deng BX. Inhibitory activity of tea polyphenol and Hanseniaspora uvarum against Botrytis cinerea infections. Lett Appl Microbiol 2010; 51:258-63. [PMID: 20633212 DOI: 10.1111/j.1472-765x.2010.02888.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AIMS To investigate the effect of tea polyphenol (TP) and Hanseniaspora uvarum alone or in combination against Botrytis cinerea in grapes and to evaluate the possible mechanisms involved. METHODS AND RESULTS TP alone was effective in controlling grey mould in grape at all concentrations. TP at 0.5 and 1.0% in combination with H. uvarum (1 x 10(6) CFU ml(-1)) showed a lower infection rate of grey mould. TP at 0.01% or above significantly inhibited the spore germination of B. cinerea. TP at 0.1% showed inhibition ability on mycelium growth of B. cinerea. The addition of TP did not affect the growth of H. uvarum in vitro and significantly increased the population of H. uvarum in vivo. CONCLUSIONS TP exhibited an inhibitory effect against B. cinerea and improved the biocontrol efficacy of H. uvarum. The inhibitory effects of spore germination and mycelial growth of B. cinerea and the increased populations of H. uvarum in vivo may be some of the important mechanisms of TP. SIGNIFICANCE AND IMPACT OF THE STUDY The results suggested that TP alone or in combination with biocontrol agents has great potential in the commercial management of postharvest diseases of fruits.
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Affiliation(s)
- H M Liu
- National Centre of Citrus Breeding, Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agriculture University, Wuhan, Hubei, China
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