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Boateng NAS, Ackah M, Wang K, Dzah CS, Zhang H. Comparative physiological and transcriptomic analysis reveals an improved biological control efficacy of Sporidiobolus pararoseus Y16 enhanced with ascorbic acid against the oxidative stress tolerance caused by Penicillium expansum in pears. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 210:108627. [PMID: 38663265 DOI: 10.1016/j.plaphy.2024.108627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 04/03/2024] [Accepted: 04/09/2024] [Indexed: 05/12/2024]
Abstract
Sporidiobolus pararoseus Y16, a species of significant ecological importance, has distinctive physiological and biological regulatory systems that aid in its survival and environmental adaptation. The goal of this investigation was to understand the complex interactions between physiological and molecular mechanisms in pear fruits as induced by S. pararoseus Y16. The study investigated the use of S. pararoseus Y16 and ascorbic acid (VC) in combination in controlling blue mold decay in pears via physiological and transcriptomic approach. The study results showed that treatment of S. pararoseus Y16 with 150 μg/mL VC reduced pears blue mold disease incidence from 43% to 11%. Furthermore, the combination of S. pararoseus Y16 and VC significantly inhibited mycelia growth and spore germination of Penicillium expansum in the pear's wounds. The pre-treatment did not impair post-harvest qualities of pear fruit but increased antioxidant enzyme activity specifically polyphenol oxidase (PPO), peroxidase (POD), catalase (CAT) activities as well as phenylalanine ammonia-lyase (PAL) enzyme activity. The transcriptome analysis further uncovered 395 differentially expressed genes (DEGs) and pathways involved in defense mechanisms and disease resistance. Notable pathways of the DEGs include plant-pathogen interaction, tyrosine metabolism, and hormone signal transduction pathways. The integrative approach with both physiological and transcriptomic tools to investigate postharvest pathology in pear fruits with clarification on how S. pararoseus Y16 enhanced with VC, improved gene expression for disease defense, and create alternative controls strategies for managing postharvest diseases.
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Affiliation(s)
- Nana Adwoa Serwah Boateng
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, PR China; Ho Technical University, P.O. Box HP 217. Ho, Volta Region, Ghana
| | - Michael Ackah
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, PR China
| | - Kaili Wang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, PR China
| | | | - Hongyin Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, PR China.
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Godana EA, Zhang X, Yang Q, Hu W, Zhao L, Wang K, Zhang H. Yarrowia lipolytica increased the activities of disease defense related enzymes and anti-fungal compounds in asparagus (Asparagus officinalis). PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 198:105748. [PMID: 38225091 DOI: 10.1016/j.pestbp.2023.105748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/08/2023] [Accepted: 12/10/2023] [Indexed: 01/17/2024]
Abstract
Fungal diseases pose significant threats to the production of asparagus, resulting in economic losses and decreased crop quality. The potential of the yeast Yarrowia lipolytica as a biocontrol agent against Fusarium proliferatum, a common pathogen of asparagus, was investigated in this study. The effects of Y. lipolytica treatment on decay incidence, disease index, and activities of major disease defense-related enzymes were investigated. In addition, we examined the levels of antifungal compounds such as total phenols, flavonoids, and lignin in asparagus plants exposed to Y. lipolytica. The results showed that Y. lipolytica treatment significantly reduced decay incidence and disease index caused by F. proliferatum when compared to the control group. Furthermore, Y. lipolytica-treated plants showed increased activity of disease defense-related enzymes, indicating that defense responses were activated. The activities of all evaluated enzymes were significantly higher in Y. lipolytica-treated asparagus, indicating an improved ability to combat fungal pathogens. Furthermore, Y. lipolytica treatment increased the content of antifungal compounds such as total phenols, flavonoids, and lignin, which are known to possess antimicrobial properties. These findings highlight the potential of Y. lipolytica as a biocontrol agent for fungal diseases in asparagus crops. The ability of Y. lipolytica to reduce disease incidence, boost disease defense-related enzymes, and increase antifungal compound content provides valuable insights into its efficacy as a natural and sustainable approach to disease management. However, further investigations are needed to optimize application methods and determine its efficacy under field conditions.
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Affiliation(s)
- Esa Abiso Godana
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Xiaoyun Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Qiya Yang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Wanying Hu
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Lina Zhao
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Kaili Wang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Hongyin Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China.
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Wang J, Gao Q, Fang T, Shen Y, Jing S, Guo N. Glycine Enhances Oxidative Stress Tolerance and Biocontrol Efficacy of Sporidiobolus pararoseus against Aspergillus niger Decay of Apples. Foods 2023; 12:4121. [PMID: 38002179 PMCID: PMC10670768 DOI: 10.3390/foods12224121] [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: 09/30/2023] [Revised: 11/08/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
Apples are deeply loved by people because of their rich nutritional value, but they are susceptible to rotting. The use of antagonistic yeast is a promising method for controlling postharvest fruit diseases, but biocontrol efficacy of yeast will be weakened in environmental stress. In this study, the effects of glycine (Gly) on the oxidative stress tolerance and the biocontrol efficacy of Sporidiobolus pararoseus (S. pararoseus) against Aspergillus niger (A. niger) are discussed. Under the stimulation of H2O2, the yeast cells treated with Gly (1 mM) showed lower ROS content, less mitochondrial impairment and cellular oxidative damage, and the cell survival rate was significantly higher than Gly-untreated yeast. The yeast cells exposed to Gly significantly increased the activities of antioxidant enzymes superoxide dismutase (SOD), catalase (CAT), and the content of glutathione (GSH). Notably, Gly-treated yeast cells had better biocontrol efficacy against A. niger in postharvest apples. The lesion diameter and decay incidence were reduced by 17.67 mm and 79.63% compared to the control, respectively, when S. pararoseus was treated with 1 mM Gly. Moreover, Gly-treated yeast increased the antioxidant enzymes activities and their gene expression were up-regulated in apples. These results indicated that 1 mM Gly not only reduced the oxidative damage of yeast, but also induced resistance-related enzymes of apples under oxidative stress, which contributed to enhancing the biocontrol efficacy of S. pararoseus against A. niger in apples.
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Affiliation(s)
| | | | | | | | | | - Na Guo
- College of Food Science and Engineering, Jilin University, Changchun 130062, China; (J.W.); (Q.G.); (T.F.); (Y.S.); (S.J.)
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Inactivation of Penicillium expansum spores in apple juice by contact glow discharge electrolysis and its related mechanism. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.103100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Oyenihi AB, Belay ZA, Mditshwa A, Caleb OJ. "An apple a day keeps the doctor away": The potentials of apple bioactive constituents for chronic disease prevention. J Food Sci 2022; 87:2291-2309. [PMID: 35502671 PMCID: PMC9321083 DOI: 10.1111/1750-3841.16155] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 03/04/2022] [Accepted: 03/27/2022] [Indexed: 11/30/2022]
Abstract
Apples are rich sources of selected micronutrients (e.g., iron, zinc, vitamins C and E) and polyphenols (e.g., procyanidins, phloridzin, 5′‐caffeoylquinic acid) that can help in mitigating micronutrient deficiencies (MNDs) and chronic diseases. This review provides an up‐to‐date overview of the significant bioactive compounds in apples together with their reported pharmacological actions against chronic diseases such as diabetes, cancer, and cardiovascular diseases. For consumers to fully gain these health benefits, it is important to ensure an all‐year‐round supply of highly nutritious and good‐quality apples. Therefore, after harvest, the physicochemical and nutritional quality attributes of apples are maintained by applying various postharvest treatments and hurdle techniques. The impact of these postharvest practices on the safety of apples during storage is also highlighted. This review emphasizes that advancements in postharvest management strategies that extend the storage life of apples should be optimized to better preserve the bioactive components crucial to daily dietary needs and this can help improve the overall health of consumers.
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Affiliation(s)
- Ayodeji B Oyenihi
- Functional Foods Research Unit, Faculty of Applied Sciences, Cape Peninsula University of Technology, Bellville, South Africa
| | - Zinash A Belay
- Agri-Food Systems & Omics Laboratory, Post-Harvest and Agro-Processing Technologies (PHATs), Agricultural Research Council (ARC) Infruitec-Nietvoorbij, Stellenbosch, South Africa
| | - Asanda Mditshwa
- School of Agriculture, Earth and Environmental Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (PMB-Campus), Scottsville, South Africa
| | - Oluwafemi J Caleb
- Department of Food Science, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa.,SARChI Postharvest Technology Laboratory, African Institute for Postharvest Technology, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
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He F, Wan J, Chu S, Li X, Zong W, Liu R. Toxic mechanism on phenanthrene-triggered cell apoptosis, genotoxicity, immunotoxicity and activity changes of immunity protein in Eisenia fetida: Combined analysis at cellular and molecular levels. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 819:153167. [PMID: 35051481 DOI: 10.1016/j.scitotenv.2022.153167] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 06/14/2023]
Abstract
Phenanthrene (PHE) is a harmful organic contaminant and exists extensively in the soil environment. The accumulation of PHE would potentially threaten soil invertebrates, including earthworms, and the toxicity is also high. Currently, the possible mechanisms underlying apoptotic pathways induced by PHE and its immunotoxicity and genotoxicity in earthworms remain unclear. Thus, Eisenia fetida coelomocytes and immunity protein lysozyme (LYZ) were chosen as targeted receptors to reveal the apoptotic pathways, genotoxicity, and immunotoxicity triggered by PHE and its binding mechanism with LYZ, using cellular, biochemical, and molecular methods. Results indicated that PHE exposure can cause cell membrane damage, increase cell membrane permeability, and ultimately trigger mitochondria-mediated apoptosis. Increased 8-hydroxy-2-deoxyguanosine (8-OHdG) levels indicated PHE had triggered DNA oxidative damage in cells after PHE exposure. Occurrence of detrimental effects on the immune system in E. fetida coelomocytes due to decreased phagocytic efficacy and destroyed the lysosomal membrane. The LYZ activity in coelomocytes after PHE exposure was consistent with the molecular results, in which the LYZ activity was inhibited. After PHE binding, the protein structure (secondary structure and protein skeleton) and protein environment (the micro-environment of aromatic amino acids) of LYZ were destroyed, forming a larger particle size of the PHE-LYZ complex, and causing a significant sensitization effect on LYZ fluorescence. Molecular simulation indicated the key residues Glu 35, Asp 52, and Trp 62 for protein function located in the binding pocket, suggesting PHE preferentially binds to the active center of LYZ. Additionally, the primary driving forces for the binding interaction between PHE and LYZ molecule are hydrophobicity forces and hydrogen bonds. Taken together, PHE exposure can induce apoptosis by mitochondria-mediated pathway, destroy the normal immune system, and trigger DNA oxidative damage in earthworms. Besides, this study provides a comprehensive evaluation of phenanthrene toxicity to earthworms on molecular and cellular level.
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Affiliation(s)
- Falin He
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Jingqiang Wan
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Shanshan Chu
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Xiangxiang Li
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Wansong Zong
- College of Geography and Environment, Shandong Normal University, 88# East Wenhua Road, Jinan, Shandong 250014, PR China
| | - Rutao Liu
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China.
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Choi BH, Kang HJ, Kim SC, Lee PC. Organelle Engineering in Yeast: Enhanced Production of Protopanaxadiol through Manipulation of Peroxisome Proliferation in Saccharomyces cerevisiae. Microorganisms 2022; 10:microorganisms10030650. [PMID: 35336225 PMCID: PMC8950469 DOI: 10.3390/microorganisms10030650] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/13/2022] [Accepted: 03/14/2022] [Indexed: 12/15/2022] Open
Abstract
Isoprenoids, which are natural compounds with diverse structures, possess several biological activities that are beneficial to humans. A major consideration in isoprenoid production in microbial hosts is that the accumulation of biosynthesized isoprenoid within intracellular membranes may impede balanced cell growth, which may consequently reduce the desired yield of the target isoprenoid. As a strategy to overcome this suggested limitation, we selected peroxisome membranes as depots for the additional storage of biosynthesized isoprenoids to facilitate increased isoprenoid production in Saccharomyces cerevisiae. To maximize the peroxisome membrane storage capacity of S.cerevisiae, the copy number and size of peroxisomes were increased through genetic engineering of the expression of three peroxisome biogenesis-related peroxins (Pex11p, Pex34p, and Atg36p). The genetically enlarged and high copied peroxisomes in S.cerevisiae were stably maintained under a bioreactor fermentation condition. The peroxisome-engineered S.cerevisiae strains were then utilized as host strains for metabolic engineering of heterologous protopanaxadiol pathway. The yields of protopanaxadiol from the engineered peroxisome strains were ca 78% higher than those of the parent strain, which strongly supports the rationale for harnessing the storage capacity of the peroxisome membrane to accommodate the biosynthesized compounds. Consequently, this study presents in-depth knowledge on peroxisome biogenesis engineering in S.cerevisiae and could serve as basic information for improvement in ginsenosides production and as a potential platform to be utilized for other isoprenoids.
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Affiliation(s)
- Bo Hyun Choi
- Department of Molecular Science and Technology, Ajou University, World Cup-ro, Yeongtong-gu, Suwon 16499, Korea; (B.H.C.); (H.J.K.)
| | - Hyun Joon Kang
- Department of Molecular Science and Technology, Ajou University, World Cup-ro, Yeongtong-gu, Suwon 16499, Korea; (B.H.C.); (H.J.K.)
| | - Sun Chang Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Korea;
| | - Pyung Cheon Lee
- Department of Molecular Science and Technology, Ajou University, World Cup-ro, Yeongtong-gu, Suwon 16499, Korea; (B.H.C.); (H.J.K.)
- Correspondence: ; Tel.: +82-31-219-2461
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Enhancement of Biocontrol Efficacy of Pichia kudriavzevii Induced by Ca Ascorbate against Botrytis cinerea in Cherry Tomato Fruit and the Possible Mechanisms of Action. Microbiol Spectr 2021; 9:e0150721. [PMID: 34937188 PMCID: PMC8694134 DOI: 10.1128/spectrum.01507-21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
This study investigated the effect of Ca ascorbate on the biocontrol efficacy of Pichia kudriavzevii and the possible mechanisms. The results indicated that the biocontrol activity of P. kudriavzevii was significantly enhanced by 0.15 g L−1 of Ca ascorbate, with higher growth rates of yeast cells in vitro and in vivo. The antioxidant enzyme activity in P. kudriavzevii, including catalase (CAT), superoxide dismutase (SOD), and peroxidase (POD), were improved by Ca ascorbate and reached the maximum at 96 h, 96 h, and 72 h, respectively. The expression of the antioxidant enzyme-related genes CAT1 (8.55-fold) and SOD2 (7.26-fold) peaked at 96 h, while PRXIID (2.8-fold) peaked at 48 h, which were similar to the trends of enzyme activities. Compared with the control, 0.15 g L−1 of Ca ascorbate and CaCl2 increased the activity of succinate dehydrogenase in P. kudriavzevii, thereby enhancing the utilization of nutrients by yeast cells, and calcium ascorbate had the strongest effect. The expressions of HXT5, ADH6, PET100p, and Pga62 were significantly higher in the Ca ascorbate treatment than the other groups, and the CaCl2 treatment was also significantly higher than the control. These results indicated that Ca ascorbate can effectively improve the energy metabolism and cell wall synthesis and slow down the senescence of yeast cells. In general, Ca ascorbate can improve the environmental adaptability of P. kudriavzevii and thus improve the biocontrol effect, which is associated with inducing antioxidant enzymes in yeast cells and enhancing energy metabolism and nutrient utilization efficiency to increase nutrient competition with pathogens. IMPORTANCE Antagonistic yeast is a promising way to control postharvest fruit decay because of its safety and broad-spectrum resistance. However, the biocontrol efficacy of yeast is limited by environmental stress, such as oxidative stress. Therefore, the improvement of antioxidant capacity has become a research hot spot in improving the biocontrol efficacy of yeast. The induction of Ca ascorbate on the antioxidant capacity and physiological activity of yeast was studied. The results showed better induction of antioxidant enzyme and physiological activity in yeast by Ca ascorbate for better antioxidant capacity, and Ca2+ also played a synergistic promotion effect, which improved the biocontrol efficacy. These results provide an approach for the research and application of improving the environmental adaptability and biocontrol effectiveness of yeast.
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Feng M, Lv Y, Li T, Li X, Liu J, Chen X, Zhang Y, Chen X, Wang A. Postharvest Treatments with Three Yeast Strains and Their Combinations to Control Botrytis cinerea of Snap Beans. Foods 2021; 10:foods10112736. [PMID: 34829022 PMCID: PMC8618400 DOI: 10.3390/foods10112736] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/05/2021] [Accepted: 11/07/2021] [Indexed: 11/25/2022] Open
Abstract
Three yeast strains, namely Cryptococcus albidus (Ca63), Cryptococcus albidus (Ca64), and Candida parapsilosis (Yett1006), and their combinations, including single yeast agent, two combined yeast strains, single yeast agent + NaHCO3, single yeast agent + chitosan, single yeast agent + ascorbic acid, and single yeast agent + konjac powder, were evaluated for their activity against Botrytis cinerea, the most economically important fungal pathogens causing postharvest disease of snap beans. In in vitro tests, no inhibition zone was observed in dual cultures of three yeast strains and B. cinerea. The mycelial growth inhibition rates of B. cinerea for Ca63, Ca64, and Yett1006 were 97%, 95%, and 97%, respectively. In in vivo tests, the optimal combination of the lowest disease index of snap beans with B. cinerea was Ca63 + Ca64, with a preventing effect of 75%. The decay rate and rust spots index of Ca64 + ascorbic acid combination were 25% and 20%, respectively, which were the lowest. The activities of defense-related enzymes increased, while malondialdehyde (MDA) content was suppressed in snap beans after different treatments. Our results highlight the potential of the three yeast strains and their combinations as new nonpolluting agents for the integrated control of B. cinerea on snap beans.
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Affiliation(s)
- Mingfang Feng
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China; (M.F.); (Y.Z.)
| | - You Lv
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (T.L.); (X.L.); (X.C.); (X.C.)
| | - Tiantian Li
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (T.L.); (X.L.); (X.C.); (X.C.)
| | - Xinmao Li
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (T.L.); (X.L.); (X.C.); (X.C.)
| | - Jiayin Liu
- College of Sciences, Northeast Agricultural University, Harbin 150030, China;
| | - Xiuling Chen
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (T.L.); (X.L.); (X.C.); (X.C.)
| | - Yao Zhang
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China; (M.F.); (Y.Z.)
| | - Xu Chen
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (T.L.); (X.L.); (X.C.); (X.C.)
| | - Aoxue Wang
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China; (M.F.); (Y.Z.)
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (T.L.); (X.L.); (X.C.); (X.C.)
- Correspondence: ; Tel.: +86-451-55190443
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Dhanasekaran S, Yang Q, Godana EA, Liu J, Li J, Zhang H. Trehalose supplementation enhanced the biocontrol efficiency of Sporidiobolus pararoseus Y16 through increased oxidative stress tolerance and altered transcriptome. PEST MANAGEMENT SCIENCE 2021; 77:4425-4436. [PMID: 33987938 DOI: 10.1002/ps.6477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 05/11/2021] [Accepted: 05/13/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND In the process of biological control, the antagonistic yeasts contend with various stresses that negatively influence yeasts' biocontrol efficiency. In the current study, we investigated the effect of trehalose supplementation on the biocontrol efficiency and oxidative stress tolerance of Sporidiobolus pararoseus Y16. RESULTS S. pararoseus Y16, an antagonistic yeast cultured in trehalose supplemented medium, exhibited better biocontrol efficiency against Penicillium expansum and Aspergillus tubingensis in table grapes. Trehalose-treated S. pararoseus Y16 cells showed good proliferation efficiency and oxidative stress tolerance than untreated cells. Increased β-1,3-glucanase, catalase, superoxide dismutase activity, and low protein carbonylation were observed in trehalose-amended S. pararoseus Y16 upon H2 O2 exposure. The RNA sequencing results indicated that trehalose significantly altered the transcriptome of S. pararoseus Y16. The GO, KEGG, and COG annotations revealed that the differentially regulated genes corresponded to the various biological process of the yeast. CONCLUSION Our findings suggested that trehalose use could enhance the biocontrol efficiency and oxidative stress tolerance of S. pararoseus Y16. Trehalose supplementation altered the transcriptome of S. pararoseus Y16, particularly the genes that correspond to amino acid metabolism, nucleotide metabolism, and protein modification. Thereby the oxidative stress tolerance and biological control efficiency of S. pararoseus Y16 was enhanced by trehalose. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Solairaj Dhanasekaran
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Qiya Yang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Esa A Godana
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Jizhan Liu
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, Jiangsu University, Zhenjiang, People's Republic of China
| | - Jun Li
- Analysis & Testing Center of Jiangsu University, Zhenjiang, People's Republic of China
| | - Hongyin Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, People's Republic of China
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Wang S, Zhang H, Qi T, Deng L, Yi L, Zeng K. Influence of arginine on the biocontrol efficiency of Metschnikowia citriensis against Geotrichum citri-aurantii causing sour rot of postharvest citrus fruit. Food Microbiol 2021; 101:103888. [PMID: 34579848 DOI: 10.1016/j.fm.2021.103888] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 08/02/2021] [Accepted: 08/20/2021] [Indexed: 11/27/2022]
Abstract
This study investigated the effect of arginine (Arg) on the antagonistic activity of Metschnikowia citriensis against sour rot caused by Geotrichum citri-aurantii in postharvest citrus, and evaluated the possible mechanism therein. Arg treatment up-regulated the PUL genes expression, and significantly induced the pulcherriminic acid (PA) production of M. citriensis, which related to the capability of iron depletion of M. citriensis. By comparing the biocontrol effects of Arg-treated and untreated yeast cells, it was found that Arg treatment significantly enhanced the biocontrol efficacy of M. citriensis, and 5 mmol L-1 Arg exerted the best effect. Additionally, the biofilm formation ability of M. citriensis was greatly enhanced by Arg, and the higher population density of yeast cells in citrus wounds was also observed in Arg treatment groups stored both at 25 °C and 4 °C. Moreover, Arg was shown to function as a cell protectant to elevate antioxidant enzyme activity [including catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GPX)] and intracellular trehalose content to resist oxidative stress damage, that directly helped to enhance colonization ability of yeasts in fruit wounds. These results suggest the application of Arg is a useful approach to improve the biocontrol performance of M. citriensis.
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Affiliation(s)
- Shupei Wang
- College of Food Science, Southwest University, Chongqing, 400715, PR China; College of Environmental and Life Sciences, Nanning Normal University, Nanning, 530001, PR China
| | - Hongyan Zhang
- College of Food Science, Southwest University, Chongqing, 400715, PR China
| | - Teng Qi
- College of Food Science, Southwest University, Chongqing, 400715, PR China
| | - Lili Deng
- College of Food Science, Southwest University, Chongqing, 400715, PR China; Key Laboratory of Plant Hormones and Development Regulation of Chongqing, Chongqing, 401331, PR China
| | - Lanhua Yi
- College of Food Science, Southwest University, Chongqing, 400715, PR China; Food Storage and Logistics Research Center, Southwest University, Chongqing, 400715, PR China
| | - Kaifang Zeng
- College of Food Science, Southwest University, Chongqing, 400715, PR China; Food Storage and Logistics Research Center, Southwest University, Chongqing, 400715, PR China.
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Liu Z, Li L, Fang Z, Lee Y, Zhao J, Zhang H, Chen W, Li H, Lu W. Integration of Transcriptome and Metabolome Reveals the Genes and Metabolites Involved in Bifidobacterium bifidum Biofilm Formation. Int J Mol Sci 2021; 22:ijms22147596. [PMID: 34299216 PMCID: PMC8304991 DOI: 10.3390/ijms22147596] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/11/2021] [Accepted: 07/12/2021] [Indexed: 01/14/2023] Open
Abstract
Bifidobacterium bifidum strains, an important component of probiotic foods, can form biofilms on abiotic surfaces, leading to increased self-resistance. However, little is known about the molecular mechanism of B. bifidum biofilm formation. A time series transcriptome sequencing and untargeted metabolomics analysis of both B. bifidum biofilm and planktonic cells was performed to identify key genes and metabolites involved in biofilm formation. Two hundred thirty-five nonredundant differentially expressed genes (DEGs) (including vanY, pstS, degP, groS, infC, groL, yajC, tadB and sigA) and 219 nonredundant differentially expressed metabolites (including L-threonine, L-cystine, L-tyrosine, ascorbic acid, niacinamide, butyric acid and sphinganine) were identified. Thirteen pathways were identified during the integration of both transcriptomics and metabolomics data, including ABC transporters; quorum sensing; two-component system; oxidative phosphorylation; cysteine and methionine metabolism; glutathione metabolism; glycine, serine and threonine metabolism; and valine, leucine and isoleucine biosynthesis. The DEGs that relate to the integration pathways included asd, atpB, degP, folC, ilvE, metC, pheA, pstS, pyrE, serB, ulaE, yajC and zwf. The differentially accumulated metabolites included L-cystine, L-serine, L-threonine, L-tyrosine, methylmalonate, monodehydroascorbate, nicotinamide, orthophosphate, spermine and tocopherol. These results indicate that quorum sensing, two-component system and amino acid metabolism are essential during B. bifidum biofilm formation.
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Affiliation(s)
- Zongmin Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (Z.L.); (L.L.); (Z.F.); (J.Z.); (H.Z.); (W.C.); (H.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Lingzhi Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (Z.L.); (L.L.); (Z.F.); (J.Z.); (H.Z.); (W.C.); (H.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhifeng Fang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (Z.L.); (L.L.); (Z.F.); (J.Z.); (H.Z.); (W.C.); (H.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yuankun Lee
- Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117545, Singapore;
- International Joint Research Laboratory for Pharmabiotics & Antibiotic Resistance, Jiangnan University, Wuxi 214122, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (Z.L.); (L.L.); (Z.F.); (J.Z.); (H.Z.); (W.C.); (H.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (Z.L.); (L.L.); (Z.F.); (J.Z.); (H.Z.); (W.C.); (H.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (Z.L.); (L.L.); (Z.F.); (J.Z.); (H.Z.); (W.C.); (H.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Haitao Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (Z.L.); (L.L.); (Z.F.); (J.Z.); (H.Z.); (W.C.); (H.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wenwei Lu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (Z.L.); (L.L.); (Z.F.); (J.Z.); (H.Z.); (W.C.); (H.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- International Joint Research Laboratory for Pharmabiotics & Antibiotic Resistance, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
- Correspondence: ; Tel.: +86-510-85197302
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Zhang H, Serwah Boateng NA, Ngolong Ngea GL, Shi Y, Lin H, Yang Q, Wang K, Zhang X, Zhao L, Droby S. Unravelling the fruit microbiome: The key for developing effective biological control strategies for postharvest diseases. Compr Rev Food Sci Food Saf 2021; 20:4906-4930. [PMID: 34190408 DOI: 10.1111/1541-4337.12783] [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: 03/02/2021] [Revised: 05/10/2021] [Accepted: 05/12/2021] [Indexed: 12/15/2022]
Abstract
Fruit-based diets are recognized for their benefits to human health. The safety of fruit is a global concern for scientists. Fruit microbiome represents the whole microorganisms that are associated with a fruit. These microbes are either found on the surfaces (epiphytes) or in the tissues of the fruit (endophytes). The recent knowledge gained from these microbial communities is considered relevant to the field of biological control in prevention of postharvest fruit pathology. In this study, the importance of the microbiome of certain fruits and how it holds promise for solving the problems inherent in biocontrol and postharvest crop protection are summarized. Research needs on the fruit microbiome are highlighted. Data from DNA sequencing and "meta-omics" technologies very recently applied to the study of microbial communities of fruits in the postharvest context are also discussed. Various fruit parameters, management practices, and environmental conditions are the main determinants of the microbiome. Microbial communities can be classified according to their structure and function in fruit tissues. A critical mechanism of microbial biological control agents is to reshape and interact with the microbiome of the fruit. The ability to control the microbiome of any fruit is a great potential in postharvest management of fruits. Research on the fruit microbiome offers important opportunities to develop postharvest biocontrol strategies and products, as well as the health profile of the fruit.
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Affiliation(s)
- Hongyin Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | | | - Guillaume Legrand Ngolong Ngea
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China.,Institute of Fisheries Sciences, University of Douala, Douala, Cameroon
| | - Yu Shi
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Hetong Lin
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Qiya Yang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Kaili Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Xiaoyun Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Lina Zhao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Samir Droby
- Department of Postharvest Science, ARO, the Volcani Center, Rishon LeZion, Israel
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14
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Yu L, Qiao N, Zhao J, Zhang H, Tian F, Zhai Q, Chen W. Postharvest control of Penicillium expansum in fruits: A review. FOOD BIOSCI 2020. [DOI: 10.1016/j.fbio.2020.100633] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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15
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Chen H, Hao H, Han C, Wang H, Wang Q, Chen M, Juan J, Feng Z, Zhang J. Exogenous l-ascorbic acid regulates the antioxidant system to increase the regeneration of damaged mycelia and induce the development of fruiting bodies in Hypsizygus marmoreus. Fungal Biol 2020; 124:551-561. [PMID: 32448446 DOI: 10.1016/j.funbio.2020.02.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 01/21/2020] [Accepted: 02/18/2020] [Indexed: 01/06/2023]
Abstract
Hypsizygus marmoreus is an important commercial edible fungus, but the lack of basic studies on this fungus has hindered further development of its commercial value. In this study, we found that the treatment of damaged vegetative mycelia with 1 mM l-ascorbic acid (ASA) significantly increased the antioxidant enzyme activities (GPX, GR, CAT and SOD) and antioxidant contents (GSH and ASA) and reduced the ROS levels (H2O2 and O2-) in mechanically damaged mycelia. Additionally, this treatment increased mycelial biomass. At the reproductive stage, our results demonstrated that the treatment of damaged H. marmoreus mycelia with 2.24 mM ASA significantly increased the antioxidant enzyme activities (GPX, GR, GST, TRXR and CAT), endogenous ASA contents and GSH/GSSG ratios in different developmental stages and significantly decreased the MDA and H2O2 contents. Furthermore, this study showed that the expression levels of the antioxidant enzyme genes were consistent with the enzyme activities. Damaged mycelia treated with ASA regenerated 2-3 d earlier than the control group and showed significantly enhanced fruiting body production. These results suggested that exogenous ASA regulated mycelia intracellular ASA content to increase mycelial antioxidant abilities, induce the regeneration of damaged mycelia and regulate the development of fruiting bodies in H. marmoreus.
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Affiliation(s)
- Hui Chen
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, Fengxian District, Shanghai 201403, China.
| | - Haibo Hao
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, Fengxian District, Shanghai 201403, China.
| | - Cancan Han
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, Fengxian District, Shanghai 201403, China; College of Life Science, Nanjing Agricultural University, No.1, Weigang road, XuanWu District, Nanjing 210095, China.
| | - Hong Wang
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, Fengxian District, Shanghai 201403, China.
| | - Qian Wang
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, Fengxian District, Shanghai 201403, China.
| | - Mingjie Chen
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, Fengxian District, Shanghai 201403, China.
| | - Jiaxiang Juan
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, Fengxian District, Shanghai 201403, China.
| | - Zhiyong Feng
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, Fengxian District, Shanghai 201403, China; College of Life Science, Nanjing Agricultural University, No.1, Weigang road, XuanWu District, Nanjing 210095, China.
| | - Jinjing Zhang
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, Fengxian District, Shanghai 201403, China.
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Godana EA, Yang Q, Wang K, Zhang H, Zhang X, Zhao L, Abdelhai MH, Guillaume Legrand NN. Bio-control activity of Pichia anomala supplemented with chitosan against Penicillium expansum in postharvest grapes and its possible inhibition mechanism. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109188] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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17
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Sui Y, Wisniewski M, Droby S, Piombo E, Wu X, Yue J. Genome Sequence, Assembly, and Characterization of the Antagonistic Yeast Candida oleophila Used as a Biocontrol Agent Against Post-harvest Diseases. Front Microbiol 2020; 11:295. [PMID: 32158440 PMCID: PMC7052047 DOI: 10.3389/fmicb.2020.00295] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Accepted: 02/10/2020] [Indexed: 11/29/2022] Open
Abstract
Candida oleophila is an effective biocontrol agent used to control post-harvest diseases of fruits and vegetables. C. oleophila I-182 was the active agent used in the first-generation yeast-based commercial product, Aspire®, for post-harvest disease management. Several action modes, like competition for nutrients and space, induction of pathogenesis-related genes in host tissues, and production of extracellular lytic enzymes, have been demonstrated for the biological control activity exhibited by C. oleophila through which it inhibits post-harvest pathogens. In the present study, the whole genome of C. oleophila I-182 was sequenced using PacBio and Illumina shotgun sequencing technologies, yielding an estimated genome size of 14.73 Mb. The genome size is similar in length to that of the model yeast strain Saccharomyces cerevisiae S288c. Based on the assembled genome, protein-coding sequences were identified and annotated. The predicted genes were further assigned with gene ontology terms and clustered in special functional groups. A comparative analysis of C. oleophila proteome with the proteomes of 11 representative yeasts revealed 2 unique and 124 expanded families of proteins in C. oleophila. Availability of the genome sequence will facilitate a better understanding the properties of biocontrol yeasts at the molecular level.
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Affiliation(s)
- Yuan Sui
- Chongqing Key Laboratory of Economic Plant Biotechnology, Collaborative Innovation Center of Special Plant Industry in Chongqing, College of Forestry and Life Science, Institute of Special Plants, Chongqing University of Arts and Sciences, Yongchuan, China
| | - Michael Wisniewski
- U.S. Department of Agriculture-Agricultural Research Service, Kearneysville, WV, United States
| | - Samir Droby
- Department of Postharvest Science, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
| | - Edoardo Piombo
- Department of Agricultural, Forestry and Food Sciences, University of Turin, Turin, Italy
| | - Xuehong Wu
- Department of Plant Pathology, China Agricultural University, Beijing, China
| | - Junyang Yue
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
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18
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Sadiq FA, Yan B, Zhao J, Zhang H, Chen W. Untargeted metabolomics reveals metabolic state of Bifidobacterium bifidum in the biofilm and planktonic states. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108772] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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19
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Pawlikowska E, James SA, Breierova E, Antolak H, Kregiel D. Biocontrol capability of local Metschnikowia sp. isolates. Antonie Van Leeuwenhoek 2019; 112:1425-1445. [PMID: 31111331 PMCID: PMC6748895 DOI: 10.1007/s10482-019-01272-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 05/03/2019] [Indexed: 12/16/2022]
Abstract
This study set out to isolate and identify epiphytic yeasts producing pulcherrimin, and to evaluate their potential as biological control agents (BCAs). We isolated Metschnikowia sp. strains from flowers and fruits collected in Poland. The plant material had been collected between April to September 2017 from two small orchards where traditional organic management is employed. We identified the essential phenotypic features of the yeast, including assimilation and enzymatic profiles, stress resistance, adhesion properties, and antimicrobial activity against various fungi involved in crop and/or food spoilage. Yeast screening was performed using YPD agar supplemented with chloramphenicol and Fe(III) ions. Taxonomic classification was determined by sequence analysis of the D1/D2 domains of the large subunit rRNA gene. The isolates were identified as Metschnikowia andauensis and Metschnikowia sinensis. The yeast isolates were further characterized based on their enzymatic and assimilation profiles, as well as their growth under various stress conditions. In addition, the hydrophobicity and adhesive abilities of the Metschnikowia isolates were determined using a MATH test and luminometry. Their antagonistic action against molds representing typical crop spoiling microflora was also evaluated. The assimilation profiles of the wild isolates were similar to those displayed by collection strains of M. pulcherrima. However, some of the isolates displayed more beneficial phenotypic properties, especially good growth under stress conditions. Several of the epiphytes grew well over a wider range of temperatures (8-30 °C) and pH levels (3-9), and additionally showed elevated tolerance to ethanol (8%), glucose (30%), and peroxides (50 mM). The hydrophobicity and adhesion of the yeast cells were strain- and surface-dependent. The tested yeasts showed potential for use as BCAs, with some exhibiting strong antagonism against molds belonging to the genera Alternaria, Botrytis, Fusarium, Rhizopus, and Verticillium, as well as against yeasts isolated as food spoilage microbiota.
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Affiliation(s)
- Ewelina Pawlikowska
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland
| | - Steve A. James
- Gut Microbes and Health, Quadram Institute Bioscience, Colney Lane, Norwich Research Park, Norwich, NR4 7UA UK
| | - Emilia Breierova
- Culture Collection of Yeasts (CCY), Institute of Chemistry, Slovak Academy of Sciences, Dúbravskácesta 9, 845 38 Bratislava, Slovakia
| | - Hubert Antolak
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland
| | - Dorota Kregiel
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland
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Tournas VH, Katsoudas EJ. Effect of CaCl 2 and Various Wild Yeasts From Plant Origin on Controlling Penicillium expansum Postharvest Decays in Golden Delicious Apples. Microbiol Insights 2019; 12:1178636119837643. [PMID: 30956526 PMCID: PMC6442072 DOI: 10.1177/1178636119837643] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 02/07/2019] [Indexed: 11/16/2022] Open
Abstract
The biocontrol potential of four wild yeast strains (Meyerozyma guilliermondii – strain YS-1, Meyerozyma caribbica – strain YS-3, Cryptococcus albidus – strain YS-4, and Cryptococcus sp. – strain YS-5) against Penicillium expansum was studied in vivo (on Golden Delicious apples). The test yeasts were applied to the fruits alone as well as in combination with 2% CaCl2. Treated apples were stored at room temperature (~21°C) for up to 2 weeks or under refrigeration (3°C) for up to 2 months. Candida oleophila was used as positive biocontrol agent. Biocontrol activities were expressed as percentages of lesion size reduction caused by the test yeasts or by test yeasts + CaCl2 as compared with decays on apples treated with P. expansum alone. All strains tested during this study showed some degree of biocontrol activity against P. expansum. When the test yeasts were applied alone, they effected moderate pathogen inhibition reducing the decay size by 28% to 52% at day 7 and 11% to 27% at day 14 of incubation at room temperature. When the treated apples were stored at 3°C, lesion size reduction was between 48% and 63% after 1 month and 24% to 41% after 2 months of incubation. Addition of CaCl2 to yeast suspensions facilitated much higher pathogen inhibition. At room temperature, lesion size reduction ranged between 74% and 77% during the first week. After 2 weeks of incubation, decays on yeast + CaCl2-treated apples were still substantially smaller (49%-73% lower) than those on apples treated with P. expansum alone. At refrigeration, lesion size reduction ranged between 76% and 92% in the first month of storage and between 75% and 87% after 2 months of incubation. Decay incidence was 75% to 100% in apples stored at room temperature and 30% to 85% in those kept under refrigeration. The inhibitory activities of the wild yeast strains were similar to those exhibited by C. oleophila for the most part. These strains, when combined with CaCl2, showed high potential as biocontrol agents against P. expansum on stored apples.
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Affiliation(s)
- V H Tournas
- Division of Microbiology, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD, USA
| | - E J Katsoudas
- Northeast Food and Feed Laboratory, Office of Regulatory Affairs, U.S. Food and Drug Administration, Jamaica, NY, USA
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Ge Y, Chen Y, Li C, Wei M, Li X, Li S, Lu S, Li J. Effect of trisodium phosphate dipping treatment on the quality and energy metabolism of apples. Food Chem 2019; 274:324-329. [DOI: 10.1016/j.foodchem.2018.08.142] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 08/30/2018] [Accepted: 08/31/2018] [Indexed: 10/28/2022]
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22
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Recent developments in the enhancement of some postharvest biocontrol agents with unconventional chemicals compounds. Trends Food Sci Technol 2018. [DOI: 10.1016/j.tifs.2018.06.002] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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23
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Effects of Sporidiobolus pararoseus Y16 on Postharvest Blue Mold Decay and the Defense Response of Apples. J FOOD QUALITY 2018. [DOI: 10.1155/2018/6731762] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The efficacy of Sporidiobolus pararoseus Y16 in controlling postharvest blue mold caused by Penicillium expansum on apples and the defense response involved were evaluated. The results suggested that the decay incidence of blue mold of apples treated by S. pararoseus Y16 was significantly reduced compared with the control. In vitro testing indicated that germination of spores and germ tube length of P. expansum were markedly inhibited by S. pararoseus Y16. Meanwhile, polyphenol oxidase (PPO), peroxidase (POD), phenylalanine ammonia lyase (PAL), and catalase (CAT) activities and several pathogenesis-related (PR) gene expression levels (including PR3, PR4, PR5, and PR9) were determined. In apples, the activities of PPO, POD, CAT, and PAL were significantly induced by S. pararoseus Y16 treatment compared with the control fruits. The relative expression levels of PR3 and PR4 were significantly induced at 4 and 6 d, while PR5 was significantly induced at 4 and 6 d and PR9 was significantly induced at 4 d. Therefore, the reduction in apple fruit decay by S. pararoseus Y16 treatment could be related to the increased activities of related enzymes and proteins involved in the defense against pathogens, which suggest that S. pararoseus Y16 is a potential antagonistic yeast.
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Biocontrol activity of a cold-adapted yeast from Tibet against gray mold in cherry tomato and its action mechanism. Extremophiles 2017; 21:789-803. [DOI: 10.1007/s00792-017-0943-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 04/29/2017] [Indexed: 10/19/2022]
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25
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Yan F, Hu H, Lu L, Zheng X. Rhamnolipids induce oxidative stress responses in cherry tomato fruit to Alternaria alternata. PEST MANAGEMENT SCIENCE 2016; 72:1500-7. [PMID: 26506951 DOI: 10.1002/ps.4177] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 10/24/2015] [Accepted: 10/24/2015] [Indexed: 05/21/2023]
Abstract
BACKGROUND Rhamnolipids showed an antimicrobial activity applicable to a variety of pathogenic microorganisms, but mechanisms were mostly focused on their direct inhibitory effect. RESULTS This study showed that disease incidence obviously decreased when cherry tomatoes were treated with rhamnolipids, whether before or after Alternaria alternata inoculation. The activities of antioxidant enzymes, including superoxide dismutase and catalase, were increased in rhamnolipid-pretreated cherry tomato inoculated with A. alternata within 12 h, while contents of reactive oxygen species decreased. Moreover, resistant response of cherry tomato treated with rhamnolipids and A. alternata was also attributed to activity stimulation of ascorbate peroxidase and glutathione reductase, accompanied with an increase in reduced glutathione, which is beneficial for scavenging excessive H2 O2 . CONCLUSION Results indicated that rhamnolipids could effectively reduce fungal disease of harvested cherry tomato by inducing fruit resistance and mechanisms involved in elicitation of antioxidative reactions such as the ability to scavenge excess reactive oxygen species. © 2015 Society of Chemical Industry.
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Affiliation(s)
- Fujie Yan
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou, China
- Zhejiang Key Laboratory for Agro-food Processing, Zhejiang University, Hangzhou, China
- Fuli Institute of Food Science, Zhejiang University, Hangzhou, China
| | - Hao Hu
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou, China
- Zhejiang Key Laboratory for Agro-food Processing, Zhejiang University, Hangzhou, China
- Fuli Institute of Food Science, Zhejiang University, Hangzhou, China
| | - Laifeng Lu
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou, China
- Zhejiang Key Laboratory for Agro-food Processing, Zhejiang University, Hangzhou, China
- Fuli Institute of Food Science, Zhejiang University, Hangzhou, China
| | - Xiaodong Zheng
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou, China
- Zhejiang Key Laboratory for Agro-food Processing, Zhejiang University, Hangzhou, China
- Fuli Institute of Food Science, Zhejiang University, Hangzhou, China
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Huang K, Zou Y, Luo J, Liu Y. Combining UV-C treatment with biocontrol yeast to control postharvest decay of melon. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:14307-14313. [PMID: 25976334 DOI: 10.1007/s11356-015-4687-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Accepted: 05/08/2015] [Indexed: 06/04/2023]
Abstract
Significant losses in harvested melon can be directly attributable to decay fungi. In the present study, the use of UV-C treatment combined with biocontrol yeast, Pichia cecembensis, was evaluated for their ability to control postharvest decay of melon fruits after they were artificially inoculated with Fusarium oxysporum and Alternaria alternata. Natural infection of fruit was also assessed. As a stand-alone treatment, UV-C or P. cecembensis significantly reduced Fusarium rot and Alternaria rot, and also the level of natural infection on melon fruit, relative to the untreated control. The combination of UV-C or P. cecembensis, however, provided a superior level of decay control on artificially inoculated and naturally infected fruit, compared to either treatment alone. None of the treatments impaired fruit quality. Integrating the use of UV-C treatment with biocontrol yeast has potential as an effective method to control postharvest decay of melon.
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Affiliation(s)
- Ke Huang
- College of Forestry & Life Science/Institute of Special Plants, Chongqing University of Arts and Sciences, 319 Honghe Road, Yongchuan, 402160, China
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Sui Y, Wisniewski M, Droby S, Liu J. Responses of yeast biocontrol agents to environmental stress. Appl Environ Microbiol 2015; 81:2968-75. [PMID: 25710368 PMCID: PMC4393439 DOI: 10.1128/aem.04203-14] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Biological control of postharvest diseases, utilizing wild species and strains of antagonistic yeast species, is a research topic that has received considerable attention in the literature over the past 30 years. In principle, it represents a promising alternative to chemical fungicides for the management of postharvest decay of fruits, vegetables, and grains. A yeast-based biocontrol system is composed of a tritrophic interaction between a host (commodity), a pathogen, and a yeast species, all of which are affected by environmental factors such as temperature, pH, and UV light as well as osmotic and oxidative stresses. Additionally, during the production process, biocontrol agents encounter various severe abiotic stresses that also impact their viability. Therefore, understanding the ecological fitness of the potential yeast biocontrol agents and developing strategies to enhance their stress tolerance are essential to their efficacy and commercial application. The current review provides an overview of the responses of antagonistic yeast species to various environmental stresses, the methods that can be used to improve stress tolerance and efficacy, and the related mechanisms associated with improved stress tolerance.
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Affiliation(s)
- Yuan Sui
- School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, China
| | - Michael Wisniewski
- U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS), Kearneysville, West Virginia, USA
| | - Samir Droby
- Agricultural Research Organization (ARO), The Volcani Center, Bet Dagan, Israel
| | - Jia Liu
- School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, China
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