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Matelionienė N, Žvirdauskienė R, Kadžienė G, Zavtrikovienė E, Supronienė S. In Vitro Sensitivity Test of Fusarium Species from Weeds and Non-Gramineous Plants to Triazole Fungicides. Pathogens 2024; 13:160. [PMID: 38392898 PMCID: PMC10892909 DOI: 10.3390/pathogens13020160] [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: 01/19/2024] [Revised: 02/06/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024] Open
Abstract
Fusarium species are common plant pathogens that cause serious crop losses worldwide. Fusarium spp. colonize not only the main host plants, crops, but also alternative hosts. The effectiveness of fungicide use in disease management ranges from very successful to possibly promoting the growth of the pathogen. Triazole fungicides are widely used to control these pathogens due to their broad-spectrum activity and systemic nature. This paper reviews the sensitivity of 40 Fusarium strains isolated from weeds, non-gramineous plants, and spring wheat to metconazole, prothioconazole, and tebuconazole. The effect of fungicides was determined by the percentage inhibition of F. graminearum, F. culmorum, F. sporotrichioides, and F. avenaceum fungal mycelial growth. The 50% effective concentration (EC50) values of all isolates on metconazole were lower than 2.9 mg L-1, prothioconazole EC50 ranged from 0.12 to 23.6 mg L-1, and tebuconazole ranged from 0.09 to 15.6 mg L-1. At 0.00025-0.025 mg L-1, the fungicides were ineffective, except for the growth of the F. avenaceum species. It was observed that isolates from weeds were more sensitive to low concentrations of fungicide than isolates from crop plants. In general, information is scarce regarding the comparison of fungicide resistance in Fusarium isolates from weed and crop plants, making this study an additional contribution to the existing knowledge base.
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Affiliation(s)
- Neringa Matelionienė
- Microbiology Laboratory, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania; (R.Ž.); (E.Z.)
| | - Renata Žvirdauskienė
- Microbiology Laboratory, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania; (R.Ž.); (E.Z.)
| | - Gražina Kadžienė
- Department of Soil and Crop Management, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania;
| | - Evelina Zavtrikovienė
- Microbiology Laboratory, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania; (R.Ž.); (E.Z.)
| | - Skaidrė Supronienė
- Microbiology Laboratory, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania; (R.Ž.); (E.Z.)
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Li C, Fan S, Zhang Y, Zhang X, Luo J, Liu C. Toxicity, bioactivity of triazole fungicide metconazole and its effect on mycotoxin production by Fusarium verticillioides: New perspective from an enantiomeric level. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 828:154432. [PMID: 35278556 DOI: 10.1016/j.scitotenv.2022.154432] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/18/2022] [Accepted: 03/05/2022] [Indexed: 06/14/2023]
Abstract
The chiral triazole fungicide metconazole has four stereoisomers, is a broad-spectrum fungicide and is widely used for controlling Fusarium head blight caused by Fusarium species. In this study, systemic assessments of metconazole stereoisomers were performed, including stereoselective toxicity toward the aquatic organism Daphnia magna, fungicidal activity and effects on fumonisin production by the pathogen Fusarium verticillioides (F. verticillioides) in relation to different conditions. The toxicity of metconazole was enantioselective, and there was a 2.1-2.9-fold difference. The activities of superoxide dismutase (SOD) and catalase (CAT) increased and decreased, respectively, after treatment with metconazole stereoisomers, and the differences were observed among the stereoisomers. Among the four stereoisomers, (1S,5R)-metconazole showed the highest fungicidal activity under all assayed conditions, and the differences ranged from 4.4 to 45.2 times. Moreover, metconazole stereoisomers can stereoselectively affect on fumonisin B1 production by F. verticillioides and abiotic factors, such as water activity and temperature, play an important role. Our study provides new insight into metconazole at the stereoisomeric level, including its toxicity, bioactivity, and effect on Fusarium species producing mycotoxins.
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Affiliation(s)
- Chaofeng Li
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou 510642, China
| | - Shuai Fan
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou 510642, China
| | - Yirong Zhang
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou 510642, China
| | - Xiangyu Zhang
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou 510642, China
| | - Jianjun Luo
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou 510642, China.
| | - Chenglan Liu
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou 510642, China.
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Fan X, Yan Z, Yang M, Waalwijk C, van der Lee T, van Diepeningen A, Brankovics B, Chen W, Feng J, Zhang H. Contamination and Translocation of Deoxynivalenol and Its Derivatives Associated with Fusarium Crown Rot of Wheat in Northern China. PLANT DISEASE 2021; 105:3397-3406. [PMID: 33944574 DOI: 10.1094/pdis-03-21-0612-re] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Fusarium crown rot (FCR) is one of the most important wheat diseases in northern China. The main causal agent of FCR, Fusarium pseudograminearum, can produce mycotoxins such as type B trichothecenes. Therefore, FCR could be an additional source of mycotoxin contamination during wheat production. Field inoculation experiments demonstrated that FCR disease severity strongly impacts the distribution pattern of trichothecenes in different wheat tissues. Mycotoxins were mainly observed in lower internodes, and a low amount was detected in the upper parts above the fourth internode. However, high levels of trichothecene accumulation were detected in the upper segments of wheat plants under field conditions, which would threaten the feed production. The variation of mycotoxin content among sampling sites indicated that besides disease severity, other factors like climate, irrigation, and fungicide application may influence the mycotoxin accumulation in wheat. A comprehensive survey of deoxynivalenol (DON) and its derivatives in wheat heads with FCR symptoms in natural fields was conducted at 80 sites in seven provinces in northern China. Much higher levels of mycotoxin were observed compared with inoculation experiments. The mycotoxin content varied greatly among sampling sites, but no significant differences were observed if compared at province level, which indicated the variation is mainly caused by local conditions. Trace amounts of mycotoxin appeared to be translocated to grains, which revealed that FCR infection in natural fields poses a relatively small threat to contamination of grains but a larger one to plant parts that may be used as animal feed. To our knowledge, this is the first report of trichothecene accumulation in wheat stems and heads, as well as grains after FCR infection in natural field conditions. These investigations provide novel insights into food and feed safety risk caused by FCR in northern China.
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Affiliation(s)
- Xuefeng Fan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing 100193, China
| | - Zhen Yan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing 100193, China
- Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng 125100, China
| | - Meixin Yang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing 100193, China
| | - Cees Waalwijk
- Business Unit Biointeractions, Wageningen University, Wageningen 6700 AA, The Netherlands
| | - Theo van der Lee
- Business Unit Biointeractions, Wageningen University, Wageningen 6700 AA, The Netherlands
| | - Anne van Diepeningen
- Business Unit Biointeractions, Wageningen University, Wageningen 6700 AA, The Netherlands
| | - Balazs Brankovics
- Business Unit Biointeractions, Wageningen University, Wageningen 6700 AA, The Netherlands
| | - Wanquan Chen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing 100193, China
| | - Jie Feng
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing 100193, China
| | - Hao Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing 100193, China
- National Agricultural Experimental Station for Plant Protection, Gangu, Ministry of Agriculture and Rural Affairs, Gansu 741200, China
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Cendoya E, Nichea MJ, Monge MDP, Zachetti VGL, Chiacchiera SM, Ramirez ML. Effect of fungicides commonly used for Fusarium head blight management on growth and fumonisin production by Fusarium proliferatum. Rev Argent Microbiol 2020; 53:64-74. [PMID: 32593584 DOI: 10.1016/j.ram.2019.12.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 11/06/2019] [Accepted: 12/04/2019] [Indexed: 02/08/2023] Open
Abstract
Fumonisin occurrence was reported in wheat grains and F. proliferatum has been suggested to be the main contributor to its presence in wheat. Thus, a survey was performed in order to study the impact of four commercial fungicides used in Argentina for controlling Fusarium head blight disease (epoxiconazole+metconazole, tebuconazole, pyraclostrobin+epoxiconazole, and prothioconazole) on growth and fumonisin production of two F. proliferatum strains in relation to water activity (aW; 0.99, 0.97, 0.95) and temperature (15°C and 25°C). Most fungicides reduced growth rates when compared to the control (reduction increased as fungicide concentration increased), and reduced fumonisin production when they were used at high doses; however, most fungicides enhanced fumonisin production at sublethal doses, with the exception of prothioconazole. Thus, fungicides used for FHB management could enhance fumonisin production by F. proliferatum strains present in wheat grains.
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Affiliation(s)
- Eugenia Cendoya
- Instituto de investigación en micología y micotoxicología (IMICO, CONICET-UNRC). Rio Cuarto, Ruta 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina.
| | - María Julia Nichea
- Instituto de investigación en micología y micotoxicología (IMICO, CONICET-UNRC). Rio Cuarto, Ruta 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina
| | - María Del Pilar Monge
- Instituto de investigación en micología y micotoxicología (IMICO, CONICET-UNRC). Rio Cuarto, Ruta 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina
| | - Vanessa G L Zachetti
- Instituto de investigación en micología y micotoxicología (IMICO, CONICET-UNRC). Rio Cuarto, Ruta 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina
| | - Stella Maris Chiacchiera
- Instituto de investigación en micología y micotoxicología (IMICO, CONICET-UNRC). Rio Cuarto, Ruta 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina
| | - María Laura Ramirez
- Instituto de investigación en micología y micotoxicología (IMICO, CONICET-UNRC). Rio Cuarto, Ruta 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina
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Kamle M, Mahato DK, Devi S, Lee KE, Kang SG, Kumar P. Fumonisins: Impact on Agriculture, Food, and Human Health and their Management Strategies. Toxins (Basel) 2019; 11:E328. [PMID: 31181628 PMCID: PMC6628439 DOI: 10.3390/toxins11060328] [Citation(s) in RCA: 123] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 06/04/2019] [Accepted: 06/04/2019] [Indexed: 11/17/2022] Open
Abstract
The fumonisins producing fungi, Fusarium spp., are ubiquitous in nature and contaminate several food matrices that pose detrimental health hazards on humans as well as on animals. This has necessitated profound research for the control and management of the toxins to guarantee better health of consumers. This review highlights the chemistry and biosynthesis process of the fumonisins, their occurrence, effect on agriculture and food, along with their associated health issues. In addition, the focus has been put on the detection and management of fumonisins to ensure safe and healthy food. The main focus of the review is to provide insights to the readers regarding their health-associated food consumption and possible outbreaks. Furthermore, the consumers' knowledge and an attempt will ensure food safety and security and the farmers' knowledge for healthy agricultural practices, processing, and management, important to reduce the mycotoxin outbreaks due to fumonisins.
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Affiliation(s)
- Madhu Kamle
- Department of Forestry, North Eastern Regional Institute of Science and Technology, Nirjuli-791109, Arunachal Pradesh, India.
| | - Dipendra K Mahato
- School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Hwy, Burwood VIC 3125, Australia.
| | - Sheetal Devi
- SAB Miller India Ltd., Sonipat, Haryana 131001, India.
| | - Kyung Eun Lee
- Molecular Genetics Laboratory, Department of Biotechnology, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Korea.
| | - Sang G Kang
- Molecular Genetics Laboratory, Department of Biotechnology, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Korea.
- Stemforce, 302 Institute of Industrial Technology, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Korea.
| | - Pradeep Kumar
- Department of Forestry, North Eastern Regional Institute of Science and Technology, Nirjuli-791109, Arunachal Pradesh, India.
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Thompson MEH, Raizada MN. Fungal Pathogens of Maize Gaining Free Passage Along the Silk Road. Pathogens 2018; 7:E81. [PMID: 30314351 PMCID: PMC6313692 DOI: 10.3390/pathogens7040081] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Revised: 10/03/2018] [Accepted: 10/06/2018] [Indexed: 11/16/2022] Open
Abstract
Silks are the long threads at the tips of maize ears onto which pollen land and sperm nuclei travel long distances to fertilize egg cells, giving rise to embryos and seeds; however fungal pathogens also use this route to invade developing grain, causing damaging ear rots with dangerous mycotoxins. This review highlights the importance of silks as the direct highways by which globally important fungal pathogens enter maize kernels. First, the most important silk-entering fungal pathogens in maize are reviewed, including Fusarium graminearum, Fusarium verticillioides, and Aspergillus flavus, and their mycotoxins. Next, we compare the different modes used by each fungal pathogen to invade the silks, including susceptible time intervals and the effects of pollination. Innate silk defences and current strategies to protect silks from ear rot pathogens are reviewed, and future protective strategies and silk-based research are proposed. There is a particular gap in knowledge of how to improve silk health and defences around the time of pollination, and a need for protective silk sprays or other technologies. It is hoped that this review will stimulate innovations in breeding, inputs, and techniques to help growers protect silks, which are expected to become more vulnerable to pathogens due to climate change.
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Affiliation(s)
| | - Manish N Raizada
- Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada.
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Díaz-Gómez J, Marín S, Capell T, Sanchis V, Ramos A. The impact of Bacillus thuringiensis technology on the occurrence of fumonisins and other mycotoxins in maize. WORLD MYCOTOXIN J 2016. [DOI: 10.3920/wmj2015.1960] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
In many developing countries, maize is both a staple food crop and a widely-used animal feed. However, adventitious colonisation or damage caused by insect pests allows fungi to penetrate the vegetative parts of the plant and the kernels, the latter resulting in mycotoxin contamination. Maize seeds contaminated with fumonisins and other mycotoxins pose a serious threat to both humans and livestock. However, numerous studies have reported a significant reduction in pest damage, disease symptoms and fumonisin levels in maize hybrids expressing the Bacillus thuringiensis (Bt) gene cry1Ab, particularly in areas where the European corn borer is prevalent. When other pests are also present, the cry1Ab gene alone offers insufficient protection, and combinations of insecticidal genes are required to reduce damage to plants caused by insects. The combination of Cry1Ab protein with other Cry proteins (such as Cry1F) or Vip proteins has reduced the incidence of pests and, indirectly, mycotoxin levels. Maize hybrids expressing multiple Bt genes, such as SmartStax®, are less susceptible to damage by insects, but mycotoxin levels are not routinely and consistently compared in these crops. Bt maize has a greater economic impact on Fusarium toxins than aflatoxins. The main factors that determine the effectiveness of Bt hybrids are the type of pest and the environmental conditions, but the different fungal infection pathways must also be considered. An alternative strategy to reduce mycotoxin levels in crops is the development of transgenic plants expressing genes that protect against fungal infection or reduce mycotoxin levels by in situ detoxification. In this review article, we summarise what is known about the relationship between the cultivation of Bt maize hybrids and contamination levels with different types of mycotoxins.
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Affiliation(s)
- J. Díaz-Gómez
- Food Technology Department, University of Lleida, UTPV-XaRTA, Agrotecnio Center, Av. Rovira Roure 191, 25198 Lleida, Spain
| | - S. Marín
- Food Technology Department, University of Lleida, UTPV-XaRTA, Agrotecnio Center, Av. Rovira Roure 191, 25198 Lleida, Spain
| | - T. Capell
- Plant Production and Forestry Science Department, University of Lleida, Agrotecnio Center, Av. Rovira Roure 191, 25198 Lleida, Spain
| | - V. Sanchis
- Food Technology Department, University of Lleida, UTPV-XaRTA, Agrotecnio Center, Av. Rovira Roure 191, 25198 Lleida, Spain
| | - A.J. Ramos
- Food Technology Department, University of Lleida, UTPV-XaRTA, Agrotecnio Center, Av. Rovira Roure 191, 25198 Lleida, Spain
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Miguel TDÁ, Bordini JG, Saito GH, Andrade CGDJ, Ono MA, Hirooka EY, Vizoni É, Ono EY. Effect of fungicide on Fusarium verticillioides mycelial morphology and fumonisin B₁ production. Braz J Microbiol 2015; 46:293-9. [PMID: 26221120 PMCID: PMC4512075 DOI: 10.1590/s1517-838246120120383] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Accepted: 06/06/2014] [Indexed: 11/28/2022] Open
Abstract
The effect of fludioxonil + metalaxyl-M on the mycelial morphology, sporulation and fumonisin B 1 production by Fusarium verticillioides 103 F was evaluated. Scanning electron microscopy analysis showed that the fungicide caused inhibition of hyphal growth and defects on hyphae morphology such as cell wall disruption, withered hyphae, and excessive septation. In addition, extracellular material around the hyphae was rarely observed in the presence of fludioxonil + metalaxyl-M. While promoting the reduction of mycelial growth, the fungicide increased sporulation of F. verticillioides compared to the control, and the highest production occurred on the 14 (th) day in the treatments and on the 10 (th) day in the control cultures. Fumonisin B 1 production in the culture media containing the fungicide (treatment) was detected from the 7 (th) day incubation, whereas in cultures without fungicide (control) it was detected on the 10 (th) day. The highest fumonisin B 1 production occurred on the 14 (th) day, both for the control and for the treatment. Fludioxonil + metalaxyl - M can interfere in F. verticillioides mycelial morphology and sporulation and increase fumonisin B 1 levels. These data indicate the importance of understanding the effects of fungicide to minimize the occurrence of toxigenic fungi and fumonisins.
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Affiliation(s)
- Tatiana de Á. Miguel
- Departamento de Bioquímica e Biotecnologia, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Jaqueline G. Bordini
- Departamento de Bioquímica e Biotecnologia, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Gervásio H. Saito
- Departamento de Bioquímica e Biotecnologia, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | | | - Mario A. Ono
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Elisa Y. Hirooka
- Departamento de Ciência e Tecnologia de Alimentos, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Édio Vizoni
- Departamento de Estatística, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Elisabete Y.S. Ono
- Departamento de Bioquímica e Biotecnologia, Universidade Estadual de Londrina, Londrina, PR, Brazil
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da Silva Bomfim N, Nakassugi LP, Faggion Pinheiro Oliveira J, Kohiyama CY, Mossini SAG, Grespan R, Nerilo SB, Mallmann CA, Alves Abreu Filho B, Machinski M. Antifungal activity and inhibition of fumonisin production by Rosmarinus officinalis L. essential oil in Fusarium verticillioides (Sacc.) Nirenberg. Food Chem 2014; 166:330-336. [PMID: 25053064 DOI: 10.1016/j.foodchem.2014.06.019] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2014] [Revised: 06/02/2014] [Accepted: 06/05/2014] [Indexed: 10/25/2022]
Abstract
The chemical composition of Rosmarinus officinalis L. essential oil (REO) was analysed by gas chromatography-mass spectrometry and nuclear magnetic resonance spectroscopy. The main compounds of the REO were 1.8 cineole (52.2%), camphor (15.2%) and α-pinene (12.4%). The mycelial growth of Fusarium verticillioides (Sacc.) Nirenberg was reduced significantly by 150 μg/mL of REO. Significant microscopic morphological changes were visualised, such as the rupture of the cell wall and the leakage of cytoplasm at 300 μg/mL of REO. At lower concentrations of REO, the effects on the production of ergosterol and the biomass of mycelium varied, as did the effects on the production of fumonisins, but at ≥300 μg/mL of REO, these processes were significantly inhibited, showing the effectiveness of the REO as an antifungal agent. The results suggested that the REO acts against F. verticillioides by disrupting the cell wall and causing the loss of cellular components, subsequently inhibiting the production of fumonisins and ergosterol.
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Affiliation(s)
| | | | | | - Cassia Yumie Kohiyama
- Department of Basic Health Sciences, State University of Maringa, Maringa 87020-900, Brazil
| | | | - Renata Grespan
- Department of Basic Health Sciences, State University of Maringa, Maringa 87020-900, Brazil
| | - Samuel Botião Nerilo
- Department of Basic Health Sciences, State University of Maringa, Maringa 87020-900, Brazil
| | - Carlos Augusto Mallmann
- Laboratory of Mycotoxicological Analysis, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
| | | | - Miguel Machinski
- Department of Basic Health Sciences, State University of Maringa, Maringa 87020-900, Brazil.
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Yamamoto-Ribeiro MMG, Grespan R, Kohiyama CY, Ferreira FD, Mossini SAG, Silva EL, Filho BADA, Mikcha JMG, Machinski M. Effect of Zingiber officinale essential oil on Fusarium verticillioides and fumonisin production. Food Chem 2013; 141:3147-52. [PMID: 23871071 DOI: 10.1016/j.foodchem.2013.05.144] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Revised: 05/29/2013] [Accepted: 05/31/2013] [Indexed: 12/14/2022]
Abstract
The antifungal activity of ginger essential oil (GEO; Zingiber officinale Roscoe) was evaluated against Fusarium verticillioides (Saccardo) Nirenberg. The minimum inhibitory concentration (MIC) of GEO was determined by micro-broth dilution. The effects of GEO on fumonisin and ergosterol production were evaluated at concentrations of 500-5000 μg/mL in liquid medium with a 5mm diameter mycelial disc of F. verticillioides. Gas chromatography-mass spectrometry showed that the predominant components of GEO were α-zingiberene (23.9%) and citral (21.7%). GEO exhibited inhibitory activity, with a MIC of 2500 μg/mL, and 4000 and 5000 μg/mL reduced ergosterol biosynthesis by 57% and 100%, respectively. The inhibitory effect on fumonisin B1 (FB1) and fumonisin B2 (FB2) production was significant at GEO concentrations of 4000 and 2000 μg/mL, respectively. Thus, the inhibition of fungal biomass and fumonisin production was dependent on the concentration of GEO. These results suggest that GEO was able to control the growth of F. verticillioides and subsequent fumonisin production.
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Savi GD, Vitorino V, Bortoluzzi AJ, Scussel VM. Effect of zinc compounds on Fusarium verticillioides growth, hyphae alterations, conidia, and fumonisin production. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2013; 93:3395-3402. [PMID: 23775536 DOI: 10.1002/jsfa.6271] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Revised: 05/27/2013] [Accepted: 06/17/2013] [Indexed: 06/02/2023]
Abstract
BACKGROUND Several strategies are used to eliminate toxigenic fungi that produce fumonisins in grains. Fusarium verticillioides can be controlled by the application of synthetic fungicides in the field or during storage. However, there may also be residuals, which may remain in the foods. Inorganic compounds such as zinc are cheap, stable and could present strong antifungal activity. Some Zn compounds can be utilized as dietary supplements and are authorized for the fortification of foods. Knowing the advantages and that low concentrations of Zn can have antimicrobial activity, our objective was to evaluate the effects of Zn compounds on the growth of F. verticillioides and the production of fumonisin and conidia. In addition, we aimed to verify that Zn compounds cause morphological alterations of the hyphae, mortality and production of reactive oxygen species. RESULTS Zn compounds efficiently reduced fungal growth and fumonisin production. Treatment using zinc perchlorate gave the best results. All treatments inhibited conidia production and caused morphological alterations of the hyphae. It was possible to observe cell death and production of reactive oxygen species. CONCLUSION Zn compounds have advantages compared to other antifungal compounds. In particular, they are non-toxic for the organism in appropriate amounts. They could be studied further as potential fungicides in agriculture.
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Affiliation(s)
- Geovana D Savi
- Laboratory of Mycotoxicology and Food Contaminants, Food Science and Technology Department, Center of Agricultural Sciences, Federal University of Santa Catarina, P.O. Box 476, 88034-001, Florianopolis, Santa Catarina, Brazil
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Marín P, de Ory A, Cruz A, Magan N, González-Jaén MT. Potential effects of environmental conditions on the efficiency of the antifungal tebuconazole controlling Fusarium verticillioides and Fusarium proliferatum growth rate and fumonisin biosynthesis. Int J Food Microbiol 2013; 165:251-8. [DOI: 10.1016/j.ijfoodmicro.2013.05.022] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Revised: 05/17/2013] [Accepted: 05/21/2013] [Indexed: 10/26/2022]
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Impact of temperature stress and validamycin A on compatible solutes and fumonisin production in F. verticillioides: role of trehalose-6-phosphate synthase. Fungal Genet Biol 2013; 57:1-10. [PMID: 23751979 DOI: 10.1016/j.fgb.2013.06.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2012] [Revised: 05/31/2013] [Accepted: 06/02/2013] [Indexed: 12/21/2022]
Abstract
Fusarium verticillioides is a pathogen of maize that causes root, stalk and ear rot and produces fumonisins, toxic secondary metabolites associated with disease in livestock and humans. Environmental stresses such as heat and drought influence disease severity and toxin production, but the effects of abiotic stress on compatible solute production by F. verticillioides have not been fully characterized. We found that decreasing the growth temperature leads to a long-term reduction in polyol levels, whereas increasing the temperature leads to a transient increase in polyols. The effects of temperature shifts on trehalose levels are opposite the effects on polyols and more dramatic. Treatment with validamycin A, a trehalose analog with antifungal activity, leads to a rapid reduction in trehalose levels, despite its known role as a trehalase inhibitor. Mutant strains lacking TPS1, which encodes a putative trehalose-6-phosphate synthase, have altered growth characteristics, do not produce detectable amounts of trehalose under any condition tested, and accumulate glycogen at levels significantly higher than wild-type F. verticillioides. TPS1 mutants also produce significantly less fumonisin than wild type and are also less pathogenic than wild type on maize. These data link trehalose biosynthesis, secondary metabolism, and disease, and suggest that trehalose metabolic pathways may be a viable target for the control of Fusarium diseases and fumonisin contamination of maize.
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Lazzaro I, Falavigna C, Dall'asta C, Proctor RH, Galaverna G, Battilani P. Fumonisins B, A and C profile and masking in Fusarium verticillioides strains on fumonisin-inducing and maize-based media. Int J Food Microbiol 2012; 159:93-100. [PMID: 23072693 DOI: 10.1016/j.ijfoodmicro.2012.08.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2012] [Revised: 08/13/2012] [Accepted: 08/15/2012] [Indexed: 10/28/2022]
Abstract
The production of fumonisin B, A and C and hidden and partially hydrolysed fumonisin occurrence was investigated in 3 strains of Fusarium verticillioides isolated from maize, cultured for 21-45days on malt extract medium at 25°C and 0.955-0.990 water activity (a(w)). Fumonisin A-B and C series were produced by all the strains in all conditions studied, with B-fumonisin≫C-fumonisin>A-fumonisin following a similar trend. The dynamic of fumonisin production was significantly influenced by factors considered and their interaction, with a(w)=0.990 as favourable condition in ITEM 10026 and ITEM 10027. All fumonisins were maximised at 30days incubation in ITEM 10027 and ITEM 1744 and at 45days incubation in ITEM 10026. Partially hydrolysed fumonisins were detected only for the B-group. Hidden fumonisins were never observed in Fusarium cultures grown on malt extract medium but were detected in the additional trial on maize-based medium, suggesting that the masking phenomenon can occur only in a complex matrix.
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Affiliation(s)
- Irene Lazzaro
- Institute of Entomology and Plant Pathology, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122, Piacenza, Italy.
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