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Wang B, Wang S, He D, Zhou Y, Qiu J, Gao T, Lee YW, Shi J, Xu J, Liu X. Metconazole inhibits fungal growth and toxin production in major Fusarium species that cause rice panicle blight. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 204:106092. [PMID: 39277404 DOI: 10.1016/j.pestbp.2024.106092] [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: 07/17/2024] [Revised: 08/14/2024] [Accepted: 08/17/2024] [Indexed: 09/17/2024]
Abstract
Rice panicle blight (RPB) caused by various Fusarium spp. is an emerging disease in the major rice-growing regions of China. Epidemics of this disease cause significant yield loss and reduce grain quality by contaminating panicles with different Fusarium toxins. However, there is currently no registered fungicide for the control of RPB in China. The 14α-demethylation inhibitor (DMI) fungicide metconazole has been shown to be effective against several Fusarium spp. that cause wheat head blight, wheat crown rot and maize ear rot. In this study, we investigated the specific activity of metconazole against six Fusarium spp. that cause RPB. Metconazole significantly inhibited mycelial growth, conidium formation, germination, germ tube elongation and major toxin production in Fusarium strains collected from major rice-growing regions in China, as well as disrupting cell membrane function by inhibiting ergosterol biosynthesis. Greenhouse experiments indicated a significant reduction in blight occurrence and toxin accumulation in rice panicles treated with metconazole. Overall, our study demonstrated the potential of metconazole for managing RPB and toxin contamination, as well as providing insight into its bioactivities and modes of action of metconazole against distinct Fusarium spp.
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Affiliation(s)
- Bingbing Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-Product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China
| | - Shuang Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-Product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China
| | - Dan He
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-Product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China; Collage of Plant Protection, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Yunyun Zhou
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-Product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China; Collage of Plant Protection, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Jianbo Qiu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-Product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China
| | - Tao Gao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China
| | - Yin-Won Lee
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-Product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China; School of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea
| | - Jianrong Shi
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-Product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China
| | - Jianhong Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-Product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China; Collage of Plant Protection, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Xin Liu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-Product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China; Collage of Plant Protection, Nanjing Agricultural University, Nanjing 210095, PR China.
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Cervini C, Naz N, Verheecke-Vaessen C, Medina A. Impact of predicted climate change environmental conditions on the growth of Fusarium asiaticum strains and mycotoxins production on a wheat-based matrix. Int J Food Microbiol 2024; 416:110658. [PMID: 38484608 DOI: 10.1016/j.ijfoodmicro.2024.110658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/12/2024] [Accepted: 03/01/2024] [Indexed: 04/19/2024]
Abstract
Fusarium asiaticum is a predominant fungal pathogen causing Fusarium Head Blight (FHB) in wheat and barley in China and is associated with approximately £201 million in annual losses due to grains contaminated with mycotoxins. F. asiaticum produces deoxynivalenol and zearalenone whose maximum limits in cereals and cereals-derived products have been established in different countries including the EU. Few studies are available on the ecophysiological behaviour of this fungal pathogen, but nothing is known about the impact of projected climate change scenarios on its growth and mycotoxin production. Therefore, this study aimed to examine the interacting effect of i) current and increased temperature (25 vs 30 °C), ii) drought stress variation (0.98 vs 0.95 water activity; aw) and iii) existing and predicted CO2 concentrations (400 vs 1000 ppm) on fungal growth and mycotoxin production (type B trichothecenes and zearalenone) by three F. asiaticum strains (CH024b, 82, 0982) on a wheat-based matrix after 10 days of incubation. The results showed that, when exposed to increased CO2 concentration (1000 ppm) there was a significant reduction of fungal growth compared to current concentration (400 ppm) both at 25 and 30 °C, especially at 0.95 aw. The multi-mycotoxin analysis performed by LC-MS/MS qTRAP showed a significant increase of deoxynivalenol and 15-acetyldeoxynivalenol production when the CH024b strain was exposed to elevated CO2 compared to current CO2 levels. Zearalenone production by the strain 0982 was significantly stimulated by mild water stress (0.95 aw) and increased CO2 concentration (1000 ppm) regardless of the temperature. Such results highlight that intraspecies variability exist among F. asiaticum strains with some mycotoxins likely to exceed current EU legislative limits under prospected climate change conditions.
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Affiliation(s)
- Carla Cervini
- Applied Mycology Group, Environment and AgriFood Theme, Cranfield University, Cranfield, UK.
| | - Naoreen Naz
- Applied Mycology Group, Environment and AgriFood Theme, Cranfield University, Cranfield, UK
| | | | - Angel Medina
- Applied Mycology Group, Environment and AgriFood Theme, Cranfield University, Cranfield, UK
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3
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Jeon H, Yang JW, Shin D, Min D, Kim BJ, Min K, Son H. Development of a Selective Medium for Surveillance of Fusarium Head Blight Disease. THE PLANT PATHOLOGY JOURNAL 2024; 40:106-114. [PMID: 38606441 PMCID: PMC11016560 DOI: 10.5423/ppj.oa.12.2023.0173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 01/19/2024] [Accepted: 01/24/2024] [Indexed: 04/13/2024]
Abstract
Fusarium head blight (FHB), predominantly caused by Fusarium graminearum and F. asiaticum, is a significant fungal disease impacting small-grain cereals. The absence of highly resistant cultivars underscores the need for vigilant FHB surveillance to mitigate its detrimental effects. In 2023, a notable FHB outbreak occurred in the southern region of Korea. We assessed FHB disease severity by quantifying infected spikelets and grains. Isolating fungal pathogens from infected samples often encounters interference from various microorganisms. We developed a cost-effective, selective medium, named BGT (Burkholderia glumae Toxoflavin) medium, utilizing B. glumae, which is primarily known for causing bacterial panicle blight in rice. This medium exhibited selective growth properties, predominantly supporting Fusarium spp., while substantially inhibiting the growth of other fungi. Using the BGT medium, we isolated F. graminearum and F. asiaticum from infected wheat and barley samples across Korea. To further streamline the process, we used a direct PCR approach to amplify the translation elongation factor 1-α (TEF-1α) region without a separate genomic DNA extraction step. Phylogenetic analysis of the TEF-1α region revealed that the majority of the isolates were identified as F. asiaticum. Our results demonstrate that BGT medium is an effective tool for FHB diagnosis and Fusarium strain isolation.
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Affiliation(s)
- Hosung Jeon
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
| | - Jung Wook Yang
- Crop Cultivation and Environment Research Division, National Institute of Crop Science, Rural Development Administration, Suwon 16613, Korea
| | - Donghwan Shin
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
| | - Donggyu Min
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
| | - Byung Joo Kim
- Crop Cultivation and Environment Research Division, National Institute of Crop Science, Rural Development Administration, Suwon 16613, Korea
| | - Kyunghun Min
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
| | - Hokyoung Son
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
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Wang C, Zhao F, Wu Z, Cai X, Zhou M, Hou Y. Mitochondria-Associated Protein FgNdk1 Regulates the Development, Pathogenicity, and SDHI Fungicide Sensitivity of Fusarium graminearum by Interacting with Succinate Dehydrogenase. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:3913-3925. [PMID: 38355300 DOI: 10.1021/acs.jafc.3c07934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Nucleoside diphosphate kinase (NDK) plays an important role in many cellular processes in all organisms. In this study, we functionally characterized a nucleoside diphosphate kinase (FgNdk1) in Fusarium graminearum, a causal agent of Fusarium head blight (FHB). FgNdk1 was involved in the generation of energy in the electron-transfer chain by interacting with succinate dehydrogenase (FgSdhA, FgSdhC1, and FgSdhC2). Deletion of FgNdk1 not only resulted in abnormal mitochondrial morphology, decreased ATP content, defective fungal development, and impairment in the formation of the toxisome but also led to the suppressed expression level of DON biosynthesis enzymes, decreased DON biosynthesis, and declined pathogenicity as well. Furthermore, deletion of FgNdk1 caused increasing transcriptional levels of FgSdhC1 and FgdhC2, in the presence of pydiflumetofen, related to the decreased sensitivity to SDHI fungicides. Overall, this study identified a new regulatory mechanism of FgNdk1 in the pathogenicity and SDHI fungicide sensitivity of Fusarium graminearum.
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Affiliation(s)
- Chenguang Wang
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Feifei Zhao
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - ZhiWen Wu
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Xiaowei Cai
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Mingguo Zhou
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Yiping Hou
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
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5
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Mesterhazy A. What Is Fusarium Head Blight (FHB) Resistance and What Are Its Food Safety Risks in Wheat? Problems and Solutions-A Review. Toxins (Basel) 2024; 16:31. [PMID: 38251247 PMCID: PMC10820574 DOI: 10.3390/toxins16010031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/23/2023] [Accepted: 12/12/2023] [Indexed: 01/23/2024] Open
Abstract
The term "Fusarium Head Blight" (FHB) resistance supposedly covers common resistances to different Fusarium spp. without any generally accepted evidence. For food safety, all should be considered with their toxins, except for deoxynivalenol (DON). Disease index (DI), scabby kernels (FDK), and DON steadily result from FHB, and even the genetic regulation of Fusarium spp. may differ; therefore, multitoxin contamination is common. The resistance types of FHB form a rather complex syndrome that has been the subject of debate for decades. It seems that resistance types are not independent variables but rather a series of components that follow disease and epidemic development; their genetic regulation may differ. Spraying inoculation (Type 1 resistance) includes the phase where spores land on palea and lemma and spread to the ovarium and also includes the spread-inhibiting resistance factor; therefore, it provides the overall resistance that is needed. A significant part of Type 1-resistant QTLs could, therefore, be Type 2, requiring the retesting of the QTLs; this is, at least, the case for the most effective ones. The updated resistance components are as follows: Component 1 is overall resistance, as discussed above; Component 2 includes spreading from the ovarium through the head, which is a part of Component 1; Component 3 includes factors from grain development to ripening (FDK); Component 4 includes factors influencing DON contamination, decrease, overproduction, and relative toxin resistance; and for Component 5, the tolerance has a low significance without new results. Independent QTLs with different functions can be identified for one or more traits. Resistance to different Fusarium spp. seems to be connected; it is species non-specific, but further research is necessary. Their toxin relations are unknown. DI, FDK, and DON should be checked as they serve as the basic data for the risk analysis of cultivars. A better understanding of the multitoxin risk is needed regarding resistance to the main Fusarium spp.; therefore, an updated testing methodology is suggested. This will provide more precise data for research, genetics, and variety registration. In winter and spring wheat, the existing resistance level is very high, close to Sumai 3, and provides much greater food safety combined with sophisticated fungicide preventive control and other practices in commercial production.
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Affiliation(s)
- Akos Mesterhazy
- Cereal Research Non-Profit Ltd., Alsokikotosor 9, 6726 Szeged, Hungary
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Sun W, Liu W, Cai Y, Shi X, Wu L, Zhang J, Er L, Huang Q, Yin Q, Zhao Z, He P, Yu F. Structure of the Mating-Type Genes and Mating Systems of Verpa bohemica and Verpa conica (Ascomycota, Pezizomycotina). J Fungi (Basel) 2023; 9:1202. [PMID: 38132802 PMCID: PMC10745113 DOI: 10.3390/jof9121202] [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: 11/07/2023] [Revised: 12/06/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023] Open
Abstract
Verpa spp. are potentially important economic fungi within Morchellaceae. However, fundamental research on their mating systems, the key aspects of their life cycle, remains scarce. Fungal sexual reproduction is chiefly governed by mating-type genes, where the configuration of these genes plays a pivotal role in facilitating the reproductive process. For this study, de novo assembly methodologies based on genomic data from Verpa spp. were employed to extract precise information on the mating-type genes, which were then precisely identified in silico and by amplifying their single-ascospore populations using MAT-specific primers. The results suggest that the MAT loci of the three tested strains of V. bohemica encompassed both the MAT1-1-1 and MAT1-2-1 genes, implying homothallism. On the other hand, amongst the three V. conica isolates, only the MAT1-1-1 or MAT1-2-1 genes were present in their MAT loci, suggesting that V. conica is heterothallic. Moreover, bioinformatic analysis reveals that the three tested V. bohemica strains and one V. conica No. 21110 strain include a MAT1-1-10 gene in their MAT loci, while the other two V. conica strains contained MAT1-1-11, exhibiting high amino acid identities with those from corresponding Morchella species. In addition, MEME analysis shows that a total of 17 conserved protein motifs are present among the MAT1-1-10 encoded protein, while the MAT1-1-11 protein contained 10. Finally, the mating type genes were successfully amplified in corresponding single-ascospore populations of V. bohemica and V. conica, further confirming their life-cycle type. This is the first report on the mating-type genes and mating systems of Verpa spp., and the presented results are expected to benefit further exploitation of these potentially important economic fungi.
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Affiliation(s)
- Wenhua Sun
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China; (W.S.); (Q.Y.)
| | - Wei Liu
- Germplasm Bank of Wild Species, Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; (W.L.); (X.S.); (L.W.); (J.Z.); (L.E.); (Q.H.)
| | - Yingli Cai
- Institute of Agro-Products Processing, Yunnan Academy of Agricultural Sciences, Kunming 650221, China;
| | - Xiaofei Shi
- Germplasm Bank of Wild Species, Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; (W.L.); (X.S.); (L.W.); (J.Z.); (L.E.); (Q.H.)
| | - Liyuan Wu
- Germplasm Bank of Wild Species, Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; (W.L.); (X.S.); (L.W.); (J.Z.); (L.E.); (Q.H.)
| | - Jin Zhang
- Germplasm Bank of Wild Species, Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; (W.L.); (X.S.); (L.W.); (J.Z.); (L.E.); (Q.H.)
- College of Resource and Environment, Yunnan Agricultural University, Kunming 650100, China
| | - Lingfang Er
- Germplasm Bank of Wild Species, Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; (W.L.); (X.S.); (L.W.); (J.Z.); (L.E.); (Q.H.)
- College of Resource and Environment, Yunnan Agricultural University, Kunming 650100, China
| | - Qiuchen Huang
- Germplasm Bank of Wild Species, Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; (W.L.); (X.S.); (L.W.); (J.Z.); (L.E.); (Q.H.)
- School of Biodiversity Conservation, Southwest Forestry University, Kunming 650224, China
| | - Qi Yin
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China; (W.S.); (Q.Y.)
| | - Zhiqiang Zhao
- Agricultural Technology Promotion Station in Zhuoni County, Gannan 747600, China;
| | - Peixin He
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China; (W.S.); (Q.Y.)
| | - Fuqiang Yu
- Germplasm Bank of Wild Species, Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; (W.L.); (X.S.); (L.W.); (J.Z.); (L.E.); (Q.H.)
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Gao M, Zhang M, Zhang J, Yang X, Abdallah MF, Wang J. Phylogenetic Variation of Tri1 Gene and Development of PCR-RFLP Analysis for the Identification of NX Genotypes in Fusarium graminearum Species Complex. Toxins (Basel) 2023; 15:692. [PMID: 38133196 PMCID: PMC10747927 DOI: 10.3390/toxins15120692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/01/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023] Open
Abstract
NX toxins have been described as a novel group of type A trichothecenes produced by members of the Fusarium graminearum species complex (FGSC). Differences in structure between NX toxins and the common type B trichothecenes arise from functional variation in the trichothecene biosynthetic enzyme Tri1 in the FGSC. The identified highly conserved changes in the Tri1 gene can be used to develop specific PCR-based assays to identify the NX-producing strains. In this study, the sequences of the Tri1 gene from type B trichothecene- and NX-producing strains were analyzed to identify DNA polymorphisms between the two different kinds of trichothecene producers. Four sets of Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) methods were successfully developed to distinguish the common type B trichothecene producers and NX producers within FGSC. These promising diagnostic methods can be used for high-throughput genotype detection of Fusarium strains as a step forward for crop disease management and mycotoxin control in agriculture. Additionally, it was found that the Tri1 gene phylogeny differs from the species phylogeny, which is consistent with the previous studies.
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Affiliation(s)
- Meiling Gao
- Institute for Agro-Food Standards and Testing Technology, Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai 201403, China; (M.G.); (M.Z.); (J.Z.); (X.Y.)
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Mengyuan Zhang
- Institute for Agro-Food Standards and Testing Technology, Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai 201403, China; (M.G.); (M.Z.); (J.Z.); (X.Y.)
| | - Jiahui Zhang
- Institute for Agro-Food Standards and Testing Technology, Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai 201403, China; (M.G.); (M.Z.); (J.Z.); (X.Y.)
| | - Xianli Yang
- Institute for Agro-Food Standards and Testing Technology, Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai 201403, China; (M.G.); (M.Z.); (J.Z.); (X.Y.)
| | - Mohamed F. Abdallah
- Department of Food Technology, Safety and Health, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Gent, Belgium;
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Assiut University, Assiut 71515, Egypt
| | - Jianhua Wang
- Institute for Agro-Food Standards and Testing Technology, Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai 201403, China; (M.G.); (M.Z.); (J.Z.); (X.Y.)
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8
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Hay WT, Anderson JA, Garvin DF, McCormick SP, Busman M, Vaughan MM. Elevated CO 2 Can Worsen Fusarium Head Blight Disease Severity in Wheat but the Fhb1 QTL Provides Reliable Disease Resistance. PLANTS (BASEL, SWITZERLAND) 2023; 12:3527. [PMID: 37895995 PMCID: PMC10610529 DOI: 10.3390/plants12203527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/03/2023] [Accepted: 10/07/2023] [Indexed: 10/29/2023]
Abstract
Fusarium head blight (FHB) is a destructive fungal disease of wheat that causes significant economic loss due to lower yields and the contamination of grain with fungal toxins (mycotoxins), particularly deoxynivalenol (DON). FHB disease spread and mycotoxin contamination has been shown to worsen at elevated CO2, therefore, it is important to identify climate-resilient FHB resistance. This work evaluates whether wheat with the Fhb1 quantitative trait locus (QTL), the most widely deployed FHB resistance locus in wheat breeding programs, provides reliable disease resistance at elevated CO2. Near-isogenic wheat lines (NILs) derived from either a highly FHB susceptible or a more FHB resistant genetic background, with or without the Fhb1 QTL, were grown in growth chambers at ambient (400 ppm) and elevated (1000 ppm) CO2 conditions. Wheat was inoculated with Fusarium graminearum and evaluated for FHB severity. At elevated CO2, the NILs derived from more FHB-resistant wheat had increased disease spread, greater pathogen biomass and mycotoxin contamination, and lower rates of DON detoxification; this was not observed in wheat from a FHB susceptible genetic background. The Fhb1 QTL was not associated with increased disease severity in wheat grown at elevated CO2 and provided reliable disease resistance.
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Affiliation(s)
- William T. Hay
- USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, Mycotoxin Prevention and Applied Microbiology Research Unit, 1815 N, University Street, Peoria, IL 61604, USA; (S.P.M.); (M.B.); (M.M.V.)
| | - James A. Anderson
- Department of Agronomy & Plant Genetics, University of Minnesota, St. Paul, MN 55108, USA; (J.A.A.); (D.F.G.)
| | - David F. Garvin
- Department of Agronomy & Plant Genetics, University of Minnesota, St. Paul, MN 55108, USA; (J.A.A.); (D.F.G.)
| | - Susan P. McCormick
- USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, Mycotoxin Prevention and Applied Microbiology Research Unit, 1815 N, University Street, Peoria, IL 61604, USA; (S.P.M.); (M.B.); (M.M.V.)
| | - Mark Busman
- USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, Mycotoxin Prevention and Applied Microbiology Research Unit, 1815 N, University Street, Peoria, IL 61604, USA; (S.P.M.); (M.B.); (M.M.V.)
| | - Martha M. Vaughan
- USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, Mycotoxin Prevention and Applied Microbiology Research Unit, 1815 N, University Street, Peoria, IL 61604, USA; (S.P.M.); (M.B.); (M.M.V.)
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Choi S, Yang JW, Kim JE, Jeon H, Shin S, Wui D, Kim LS, Kim BJ, Son H, Min K. Infectivity and stress tolerance traits affect community assembly of plant pathogenic fungi. Front Microbiol 2023; 14:1234724. [PMID: 37692392 PMCID: PMC10486888 DOI: 10.3389/fmicb.2023.1234724] [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: 06/22/2023] [Accepted: 07/26/2023] [Indexed: 09/12/2023] Open
Abstract
Understanding how ecological communities assemble is an urgent research priority. In this study, we used a community ecology approach to examine how ecological and evolutionary processes shape biodiversity patterns of plant pathogenic fungi, Fusarium graminearum and F. asiaticum. High-throughput screening revealed that the isolates had a wide range of phenotypic variation in stress tolerance traits. Net Relatedness Index (NRI) and Nearest Taxon Index (NTI) values were computed based on stress-tolerant distance matrices. Certain local regions exhibited positive values of NRI and NTI, indicating phenotypic clustering within the fungal communities. Competition assays of the pooled strains were conducted to investigate the cause of clustering. During stress conditions and wheat colonization, only a few strains dominated the fungal communities, resulting in reduced diversity. Overall, our findings support the modern coexistence theory that abiotic stress and competition lead to phenotypic similarities among coexisting organisms by excluding large, low-competitive clades. We suggest that agricultural environments and competition for host infection lead to locally clustered communities of plant pathogenic fungi in the field.
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Affiliation(s)
- Soyoung Choi
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
| | - Jung Wook Yang
- Crop Cultivation and Environment Research Division, National Institute of Crop Science, Rural Development Administration, Suwon, Republic of Korea
| | - Jung-Eun Kim
- Research Institute of Climate Change and Agriculture, National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeju, Republic of Korea
| | - Hosung Jeon
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
| | - Soobin Shin
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
| | - Dayoun Wui
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
| | - Lee Seul Kim
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
| | - Byung Joo Kim
- Crop Cultivation and Environment Research Division, National Institute of Crop Science, Rural Development Administration, Suwon, Republic of Korea
| | - Hokyoung Son
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea
| | - Kyunghun Min
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
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10
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Han S, Wang M, Ma Z, Raza M, Zhao P, Liang J, Gao M, Li Y, Wang J, Hu D, Cai L. Fusarium diversity associated with diseased cereals in China, with an updated phylogenomic assessment of the genus. Stud Mycol 2023; 104:87-148. [PMID: 37351543 PMCID: PMC10282163 DOI: 10.3114/sim.2022.104.02] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 01/17/2023] [Indexed: 11/26/2023] Open
Abstract
Fusarium species are important cereal pathogens that cause severe production losses to major cereal crops such as maize, rice, and wheat. However, the causal agents of Fusarium diseases on cereals have not been well documented because of the difficulty in species identification and the debates surrounding generic and species concepts. In this study, we used a citizen science initiative to investigate diseased cereal crops (maize, rice, wheat) from 250 locations, covering the major cereal-growing regions in China. A total of 2 020 Fusarium strains were isolated from 315 diseased samples. Employing multi-locus phylogeny and morphological features, the above strains were identified to 43 species, including eight novel species that are described in this paper. A world checklist of cereal-associated Fusarium species is provided, with 39 and 52 new records updated for the world and China, respectively. Notably, 56 % of samples collected in this study were observed to have co-infections of more than one Fusarium species, and the detailed associations are discussed. Following Koch's postulates, 18 species were first confirmed as pathogens of maize stalk rot in this study. Furthermore, a high-confidence species tree was constructed in this study based on 1 001 homologous loci of 228 assembled genomes (40 genomes were sequenced and provided in this study), which supported the "narrow" generic concept of Fusarium (= Gibberella). This study represents one of the most comprehensive surveys of cereal Fusarium diseases to date. It significantly improves our understanding of the global diversity and distribution of cereal-associated Fusarium species, as well as largely clarifies the phylogenetic relationships within the genus. Taxonomic novelties: New species: Fusarium erosum S.L. Han, M.M. Wang & L. Cai, Fusarium fecundum S.L. Han, M.M. Wang & L. Cai, Fusarium jinanense S.L. Han, M.M. Wang & L. Cai, Fusarium mianyangense S.L. Han, M.M. Wang & L. Cai, Fusarium nothincarnatum S.L. Han, M.M. Wang & L. Cai, Fusarium planum S.L. Han, M.M. Wang & L. Cai, Fusarium sanyaense S.L. Han, M.M. Wang & L. Cai, Fusarium weifangense S.L. Han, M.M. Wang & L. Cai. Citation: Han SL, Wang MM, Ma ZY, Raza M, Zhao P, Liang JM, Gao M, Li YJ, Wang JW, Hu DM, Cai L (2023). Fusarium diversity associated with diseased cereals in China, with an updated phylogenomic assessment of the genus. Studies in Mycology 104: 87-148. doi: 10.3114/sim.2022.104.02.
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Affiliation(s)
- S.L. Han
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
- College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China;
| | - M.M. Wang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
| | - Z.Y. Ma
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
- College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China;
| | - M. Raza
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
| | - P. Zhao
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
| | - J.M. Liang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
| | - M. Gao
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
- College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China;
| | - Y.J. Li
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
- College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China;
| | - J.W. Wang
- Institute of Biology Co., Ltd., Henan Academy of Science, Zheng Zhou 450008, Henan, P. R. China;
| | - D.M. Hu
- College of Bioscience & Engineering, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, P. R. China
| | - L. Cai
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China;
- College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China;
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11
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Janaviciene S, Venslovas E, Kadziene G, Matelioniene N, Berzina Z, Bartkevics V, Suproniene S. Diversity of Mycotoxins Produced by Fusarium Strains Infecting Weeds. Toxins (Basel) 2023; 15:420. [PMID: 37505689 PMCID: PMC10467119 DOI: 10.3390/toxins15070420] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/05/2023] [Accepted: 06/27/2023] [Indexed: 07/29/2023] Open
Abstract
Although Fusarium is mainly known as an agricultural pathogen that affects monocotyledonous plants, it can also infect different species of weeds in the agricultural environment, thereby contributing to the production of mycotoxins in cereals. In this study, we present new developmental data on the diversity of mycotoxins produced by Fusarium graminearum and Fusarium avenaceum strains from weeds under field conditions. Regarding the potential for the strain dependence of mycotoxin production, this study demonstrated that all F. graminearum strains isolated from weeds and spring wheat showed high potential for deoxynivalenol (DON), 3-acetyl-deoxynivalenol (3-ADON), 15-acetyl-deoxynivalenol (15-ADON), and nivalenol (NIV) production in spring wheat under field conditions. It was determined that F. graminearum is a typical producer of B-type trichothecenes. All strains of F. avenaceum isolated from spring wheat and weeds have the potential to produce enniatins and moniliformin in spring wheat. Each type of weed can host different Fusarium species and strains that produce completely different mycotoxins. Therefore, the distribution of mycotoxins in spring wheat grain may depend more on the Fusarium species or strains that infect the weeds than on the pathogen's host plant species. The predominance of specific mycotoxins in cereals depends on the year's weather conditions and the diversity of Fusarium species present in the field.
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Affiliation(s)
- Sigita Janaviciene
- Department of Plant Pathology and Protection, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania;
| | - Eimantas Venslovas
- Department of Plant Pathology and Protection, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania;
| | - Grazina Kadziene
- Department of Soil and Crop Management, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania;
| | - Neringa Matelioniene
- Microbiology Laboratory, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania;
| | - Zane Berzina
- Institute of Food Safety, Animal Health and Environment “BIOR”, Lejupes Iela 3, LV-1076 Riga, Latvia; (Z.B.); (V.B.)
| | - Vadims Bartkevics
- Institute of Food Safety, Animal Health and Environment “BIOR”, Lejupes Iela 3, LV-1076 Riga, Latvia; (Z.B.); (V.B.)
| | - Skaidre Suproniene
- Microbiology Laboratory, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, LT-58344 Kedainiai, Lithuania;
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12
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Chen L, Ma Y, He T, Chen T, Pan Y, Zhou D, Li X, Lu Y, Wu Q, Wang L. Integrated transcriptome and metabolome analysis unveil the response mechanism in wild rice ( Zizania latifolia griseb.) against sheath rot infection. Front Genet 2023; 14:1163464. [PMID: 37359383 PMCID: PMC10289006 DOI: 10.3389/fgene.2023.1163464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 05/30/2023] [Indexed: 06/28/2023] Open
Abstract
Sheath rot disease (SRD) is one of the most devastating diseases of Manchurian wild rice (MWR) (Zizania latifolia Griseb). Pilot experiments in our laboratory have shown that an MWR cultivar "Zhejiao NO.7"exhibits signs of SRD tolerance. To explore the responses of Zhejiao No. 7 to SRD infection, we used a combined transcriptome and metabolome analysis approach. A total of 136 differentially accumulated metabolites (DAMs, 114 up- and 22 down-accumulated in FA compared to CK) were detected. These up-accumulated metabolites were enriched in tryptophan metabolism, amino acid biosynthesis, flavonoids, and phytohormone signaling. Transcriptome sequencing results showed the differential expression of 11,280 genes (DEGs, 5,933 up-, and 5,347 downregulated in FA compared to CK). The genes expressed in tryptophan metabolism, amino acid biosynthesis, phytohormone biosynthesis and signaling, and reactive oxygen species homeostasis confirmed the metabolite results. In addition, genes related to the cell wall, carbohydrate metabolism, and plant-pathogen interaction (especially hypersensitive response) showed changes in expression in response to SRD infection. These results provide a basis for understanding the response mechanisms in MWR to FA attack that can be used for breeding SRD-tolerant MWR.
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Affiliation(s)
- Limin Chen
- Lishui Institute of Agriculture and Forestry Sciences, Lishui, Zhejiang, China
- State Key Laboratory for Managing Biotic and Chemical Threats to Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection, Ministry of Agriculture and Rural Affairs, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Yamin Ma
- Agricultural and Rural Bureau of Jinyun County, Jinyun, Zhejiang, China
| | - Tianjun He
- Lishui Institute of Agriculture and Forestry Sciences, Lishui, Zhejiang, China
| | - TingTing Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection, Ministry of Agriculture and Rural Affairs, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yiming Pan
- Lishui Institute of Agriculture and Forestry Sciences, Lishui, Zhejiang, China
| | - Dayun Zhou
- Lishui Institute of Agriculture and Forestry Sciences, Lishui, Zhejiang, China
| | - Xiaowei Li
- State Key Laboratory for Managing Biotic and Chemical Threats to Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection, Ministry of Agriculture and Rural Affairs, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Yaobin Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection, Ministry of Agriculture and Rural Affairs, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Quancong Wu
- Lishui Institute of Agriculture and Forestry Sciences, Lishui, Zhejiang, China
| | - Lailiang Wang
- Lishui Institute of Agriculture and Forestry Sciences, Lishui, Zhejiang, China
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13
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Quantitative PCR assays for the species-specific detection of Fusarium graminearum sensu stricto and Fusarium asiaticum in winter wheat growing regions in China. Int J Food Microbiol 2023; 387:110061. [PMID: 36566702 DOI: 10.1016/j.ijfoodmicro.2022.110061] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/30/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022]
Abstract
Fusarium graminearum species complex (FGSC) is one of the most devastating fungal plant pathogens of cereal crops worldwide, resulting in a corresponding mycotoxins contamination in cereal-based food. The detection of FGSC to study its population structure and species distribution is of great concern for the integrated control of mycotoxins contamination in grains entering food supply chains. In this study, real time quantitative PCR (RT-qPCR) and droplet digital PCR (ddPCR) methods were developed for the species-specific detection of Fusarium graminearum species complex in winter wheat growing regions in China. Primers and probes were designed basing the on the sequence of Fg-16 SCAR fragment (sequence characterized amplified regions analysis) and confirmed to make a distinguishment between the two prevailing species including Fusarium graminearum sensu stricto and Fusarium asiaticum. The assay specificity was tested against 24 isolates of target Fusarium species and several non-target Fusarium species that were frequently isolated from wheat in China. Consistent results could be obtained by the developed RT-qPCR and ddPCR assays, and both of them were sensitive enough for the detection of FGSC in these regions. Population structure and species distribution of FGSC in North China plain and Yangtze River plain by the developed qPCR assays accorded with previous results obtained by fungal isolation method. The newly developed qPCR assays are time-saving and will provide new insights during the routine surveillance of FGSC in winter wheat growing regions in China and possibly other countries.
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14
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Liu X, Wang S, Fan Z, Wu J, Wang L, He D, Mohamed SR, Dawood DH, Shi J, Gao T, Xu J. Antifungal activities of metconazole against the emerging wheat pathogen Fusarium pseudograminearum. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 190:105298. [PMID: 36740330 DOI: 10.1016/j.pestbp.2022.105298] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 06/18/2023]
Abstract
Fusarium crown rot of wheat is a serious fungal disease that occurs worldwide. The disease has been emerging in the major wheat-growing areas in China since 2010. Fusarium pseudogramineaum is the predominant causative pathogen of crown rot of wheat in China. The 14α-demethylation inhibitor (DMI) fungicide metconazole has been shown to be effective against Fusarium spp., but little is known about its specific activity against F. pseudogramineaum. Metconazole exhibited strong antifungal activities against all thirty-nine F. pseudogramineaum strains collected from the major wheat-growing areas in China. Metconazole inhibited mycelial growth and conidial germ tube elongation of F. pseudograminearum. Metconazole treatment significantly reduced the production of major toxins and the expression levels of toxin biosynthesis genes. Genome-wide transcriptional profiling of F. pseudograminearum in response to metconazole indicated that the expression of genes involved in ergosterol biosynthesis, including fungicide target genes (cyp51 genes), was significantly induced by metconazole. Nine ATP-binding cassette (ABC) transporter-encoding genes were significantly expressed in response to metconazole treatment. Reduced ergosterol production and antioxidant enzyme activities were observed after metconazole treatment. Greenhouse experiments indicated a significant reduction in crown rot occurrence in wheat after seed treatment with metconazole. This study evaluated the potential of metconazole to manage wheat crown rot and provides information to understand its antifungal activities and mechanism of action against F. pseudograminearum.
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Affiliation(s)
- Xin Liu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China
| | - Shuang Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China
| | - Zhongyue Fan
- College of Life Science, Sanquan College of Xinxiang Medical University, Xinxiang 453003, Henan, PR China
| | - Jiawen Wu
- Jiangsu Plant Protection and Plant Quarantine Station, Nanjing 210036, Jiangsu, PR China
| | - Liwen Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China
| | - Dan He
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China
| | - Sherif Ramzy Mohamed
- Food Toxicology and Contaminants Dept., National Research Centre, Egypt, Giza 12411, Egypt
| | - Dawood H Dawood
- Department of Agriculture Chemistry, Faculty of Agriculture, Mansoura University, Mansoura 35516, Egypt
| | - Jianrong Shi
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China
| | - Tao Gao
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China.
| | - Jianhong Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology/Key Laboratory for Control Technology and Standard for Agro-product Safety and Quality, Ministry of Agriculture and Rural Affairs/Key Laboratory for Agro-product Safety Risk Evaluation (Nanjing), Ministry of Agriculture and Rural Affairs/Collaborative Innovation Center for Modern Grain Circulation and Safety/Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, PR China.
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15
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Hao Y, Li Y, Ping X, Yang Q, Mao Z, Zhao J, Lu X, Xie B, Yang Y, Ling J. The Genome of Fusarium oxysporum f. sp. phaseoli Provides Insight into the Evolution of Genomes and Effectors of Fusarium oxysporum Species. Int J Mol Sci 2023; 24:ijms24020963. [PMID: 36674475 PMCID: PMC9861946 DOI: 10.3390/ijms24020963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 12/09/2022] [Accepted: 12/16/2022] [Indexed: 01/06/2023] Open
Abstract
Fusarium oxysporum f. sp. phaseoli, the causal agent of cowpea fusarium wilt, is a serious threat to cowpea production in China. In this study, a sample of cowpea fusarium wilt was identified as Fusarium oxysporum f. sp. phaseoli using the methods of morphological characters and molecular detection. We further reported the first genome assembly for Fusarium oxysporum f. sp. phaseoli, with 53.7 Mb genome sequence comprising 14,694 genes. Comparative genomic analysis among five Fusarium oxysporum genomes showed that four accessory chromosomes in the five Fusarium oxysporum display similar characteristics, with low sequence similarity (55.35%, vs. overall average of 81.76%), low gene density (2.18 genes/10 kb vs. 3.02 genes/Mb) and highly transposable element density (TEs) (15.01/100 kb vs. 4.89/100 kb), indicating that variable accessory chromosomes are the main source of Fusarium oxysporum evolution. We identified a total of 100 Fusarium oxysporum f. sp. phaseoli-specific effectors in the genome and found 13 specific effector genes located in large insertion or deletion regions, suggesting that insertion or deletion events can cause the emergence of species-specific effectors in Fusarium oxysporum. Our genome assembly of Fusarium oxysporum f. sp. phaseoli provides a valuable resource for the study of cowpea fusarium wilt, and the comparative genomic study of Fusarium oxysporum could contribute to the knowledge of genome and effector-associated pathogenicity evolution in Fusarium oxysporum study.
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Affiliation(s)
- Yali Hao
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030810, China
| | - Yan Li
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xingxing Ping
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Qihong Yang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Zhenchuan Mao
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jianlong Zhao
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xiaofei Lu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Bingyan Xie
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yuhong Yang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Correspondence: (Y.Y.); (J.L.)
| | - Jian Ling
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Correspondence: (Y.Y.); (J.L.)
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16
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Góral T, Przetakiewicz J, Ochodzki P, Wiewióra B, Wiśniewska H. Quantification of DNA of Fusarium culmorum and Trichothecene Genotypes 3ADON and NIV in the Grain of Winter Wheat. Pathogens 2022; 11:pathogens11121449. [PMID: 36558783 PMCID: PMC9788549 DOI: 10.3390/pathogens11121449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 11/24/2022] [Accepted: 11/28/2022] [Indexed: 12/04/2022] Open
Abstract
Fusarium head blight (FHB) is a wheat disease caused by fungi of the genus Fusarium. The aim of the study was to find relationships between the weather conditions in the experimental years and the locations and the amount of F. culmorum DNA and trichothecene genotypes, as well as the proportions between them. A three-year field experiment (2017, 2018 and 2019) was established in two locations (Poznań, Radzików). The DNA of F. culmorum was detected in all grain samples in an average amount of 20,124 pg per 1 μg of wheat DNA. The average amount of DNA from the 3ADON genotype was 4879 pg/μg and the amount of DNA from the NIV genotype was 3330 pg/μg. Weather conditions strongly affected the amount of DNA of F. culmorum and trichothecene genotypes detected in the grain. In the three experimental years, a high variability was observed in the coefficients of correlation between DNA concentrations and the FHB index, FDK, ergosterol and the corresponding toxins. There were significant correlations between disease incidence, fungal biomass (quantified as the total amount of fungal DNA or DNA trichothecene genotypes) and toxins (DON, 3AcDON and NIV) concentrations. The 3ADON trichothecene genotype dominated over the NIV genotype (ratio 1.5); however, this varied greatly depending on environmental conditions.
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Affiliation(s)
- Tomasz Góral
- Plant Breeding and Acclimatization Institute—National Research Institute, Radzików, 05-870 Błonie, Poland
- Correspondence: ; Tel.: +48-22-733-4636
| | - Jarosław Przetakiewicz
- Plant Breeding and Acclimatization Institute—National Research Institute, Radzików, 05-870 Błonie, Poland
| | - Piotr Ochodzki
- Plant Breeding and Acclimatization Institute—National Research Institute, Radzików, 05-870 Błonie, Poland
| | - Barbara Wiewióra
- Plant Breeding and Acclimatization Institute—National Research Institute, Radzików, 05-870 Błonie, Poland
| | - Halina Wiśniewska
- Institute of Plant Genetics, Polish Academy of Sciences, 34 Strzeszyńska Str., 60-479 Poznań, Poland
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17
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Hay WT, Anderson JA, Garvin DF, McCormick SP, Vaughan MM. Fhb1 disease resistance QTL does not exacerbate wheat grain protein loss at elevated CO 2. FRONTIERS IN PLANT SCIENCE 2022; 13:1034406. [PMID: 36518513 PMCID: PMC9742602 DOI: 10.3389/fpls.2022.1034406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 11/11/2022] [Indexed: 06/17/2023]
Abstract
Fusarium head blight, a devastating cereal crop disease, can cause significant yield losses and contaminate grain with hazardous fungal toxins. Concerningly, recent evidence indicates that substantial grain protein content loss is likely to occur in wheat that is moderately resistant to head blight when it is grown at elevated CO2. Although wheat breeders in North America utilize a number of resistance sources and genes to reduce pathogen damage, the Fhb1 gene is widely deployed. To determine whether Fhb1 is associated with the protein content loss at elevated CO2, twelve near-isogenic spring wheat lines from either a susceptible or moderately susceptible genetic background, and with, or without the Fhb1 QTL, were grown at ambient and elevated CO2 conditions. The near-isogenic lines were evaluated for differences in physiology, productivity, and grain protein content. Our results showed that the Fhb1 QTL did not have any significant effect on plant growth, development, yield, or grain protein content at ambient or elevated CO2. Therefore, other factors in the moderately susceptible wheat genetic background are likely responsible for the more severe grain protein loss at elevated CO2.
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Affiliation(s)
- William T. Hay
- Mycotoxin Prevention and Applied Microbiology Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, USDA, Peoria, IL, United States
| | - James A. Anderson
- Department of Agronomy & Plant Genetics, University of Minnesota, St. Paul, MN, United States
| | - David F. Garvin
- Department of Agronomy & Plant Genetics, University of Minnesota, St. Paul, MN, United States
| | - Susan P. McCormick
- Mycotoxin Prevention and Applied Microbiology Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, USDA, Peoria, IL, United States
| | - Martha M. Vaughan
- Mycotoxin Prevention and Applied Microbiology Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, USDA, Peoria, IL, United States
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18
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Genetic Diversity and Population Structure of Fusarium oxysporum f. sp. conglutinans Race 1 in Northern China Samples. J Fungi (Basel) 2022; 8:jof8101089. [PMID: 36294654 PMCID: PMC9604595 DOI: 10.3390/jof8101089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/13/2022] [Accepted: 10/13/2022] [Indexed: 11/06/2022] Open
Abstract
Fusarium oxysporum f. sp. conglutinans (FOC), the causal agent of cabbage fusarium wilt, is a serious threat to cabbage production in northern China, and most Chinese FOC isolates were identified as FOC race 1 (FOC1). To better understand the genetic diversity of FOC1 in northern China, we collected FOC isolates from five provinces in northern China and identified them as FOC1 through pathogenicity and race test. To evaluate the genome-level diversity of FOC1, we performed a genome assembly for a FOC1 isolate (FoYQ-1) collected from Yanqing, Beijing, where cabbage fusarium wilt was first reported in China. Using resequencing data of FOC1 isolates, we conducted a genome-wide SNP (single nucleotide polymorphism) analysis to investigate the genetic diversity and population structure of FOC1 isolates in northern China. Our study indicated that Chinese FOC1 can be grouped into four populations and revealed that the genetic diversity of FOC1 were closely associated with geographical locations. Our study further suggests that genetic differentiation occurred when FOC1 spread to the northwest provinces from Beijing Province in China. The FOC1 genetic diversity based on whole-genome SNPs could deepen our understanding of FOC1 variation and provide clues for the control of cabbage fusarium wilt in China.
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19
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Insights on KP4 Killer Toxin-like Proteins of Fusarium Species in Interspecific Interactions. J Fungi (Basel) 2022; 8:jof8090968. [PMID: 36135693 PMCID: PMC9506348 DOI: 10.3390/jof8090968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/09/2022] [Accepted: 09/12/2022] [Indexed: 11/25/2022] Open
Abstract
KP4 killer toxins are secreted proteins that inhibit cell growth and induce cell death in target organisms. In Fusarium graminearum, KP4-like (KP4L) proteins contribute to fungal virulence in wheat seedling rot and are expressed during Fusarium head blight development. However, fungal KP4L proteins are also hypothesized to support fungal antagonism by permeabilizing cell walls of competing fungi to enable penetration of toxic compounds. Here, we report the differential expression patterns of F. graminearum KP4L genes (Fgkp4l-1, -2, -3 and -4) in a competitive interaction, using Trichoderma gamsii as the antagonist. The results from dual cultures indicate that Fgkp4l-3 and Fgkp4l-4 could participate in the recognition at the distance of the antagonist, while all Fgkp4l genes were highly activated in the pathogen during the physical interaction of both fungi. Only Fgkp4l-4 was up-regulated during the interaction with T. gamsii in wheat spikes. This suggests the KP4L proteins could participate in supporting F. graminearum interspecific interactions, even in living plant tissues. The distribution of KP4L orthologous within the genus Fusarium revealed they are more represented in species with broad host-plant range than in host-specific species. Phylogeny inferred provides evidence that KP4L genes evolved through gene duplications, gene loss and sequence diversification in the genus Fusarium.
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20
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Li Y, Li S, Li Y, Feng X, Zhang J, He X. A Bjerkandera adust new strain as a potential biocontrol agent against wheat scab. Int Microbiol 2022; 25:831-838. [PMID: 35857219 DOI: 10.1007/s10123-022-00265-6] [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: 12/27/2021] [Revised: 07/04/2022] [Accepted: 07/06/2022] [Indexed: 11/28/2022]
Abstract
Bjerkandera adusta can decompose polycyclic aromatic hydrocarbons including cellulose and lignin, but its roles in inhibiting plant pathogens are unclear. Here, the confrontation culture and greenhouse pot experiments were employed to study the control effect of B. adusta M1 on Fusarium graminearum and wheat scab. The results showed that B. adusta M1 fermentation broth (FB) inhibited the growth of F. graminearum, with an inhibition rate of 52.7-89.17%. FB had a significant control effect (72.14 ± 1.42%) on wheat scab, which was slightly lower than that of the chemical fungicide carbendazim (77.34 ± 1.76%). The growth rate was significantly higher in B. adusta M1 than in F. graminearum, indicating a strong competitiveness by B. adusta M1. The images from a scanning electron microscope showed substantial deformations of the hyphae of F. graminearum being penetrated by the hyphae of B. adusta M1, indicating a strong mycoparasitism by B. adusta M1. In addition, FB increased the activity of catalase, peroxidase, and phenylalanine ammonia-lyase in wheat leaves related to disease resistance and decreased the malondialdehyde production and cell membrane permeability. We conclude that B. adusta M1 is a promising fungal agent to control the detriment of F. graminearum to cereal growth in the field.
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Affiliation(s)
- Yong Li
- Southwest University College of Resources and Environment, Chongqing, China.
| | - Suping Li
- Southwest University College of Resources and Environment, Chongqing, China
| | - Yong Li
- Southwest University College of Resources and Environment, Chongqing, China
| | - Xiao Feng
- Southwest University College of Resources and Environment, Chongqing, China
| | - Jingjie Zhang
- Southwest University College of Resources and Environment, Chongqing, China
| | - Xinhua He
- Southwest University College of Resources and Environment, Chongqing, China
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21
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Kulik T, Molcan T, Fiedorowicz G, van Diepeningen A, Stakheev A, Treder K, Olszewski J, Bilska K, Beyer M, Pasquali M, Stenglein S. Whole-genome single nucleotide polymorphism analysis for typing the pandemic pathogen Fusarium graminearum sensu stricto. Front Microbiol 2022; 13:885978. [PMID: 35923405 PMCID: PMC9339996 DOI: 10.3389/fmicb.2022.885978] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
Recent improvements in microbiology and molecular epidemiology were largely stimulated by whole- genome sequencing (WGS), which provides an unprecedented resolution in discriminating highly related genetic backgrounds. WGS is becoming the method of choice in epidemiology of fungal diseases, but its application is still in a pioneer stage, mainly due to the limited number of available genomes. Fungal pathogens often belong to complexes composed of numerous cryptic species. Detecting cryptic diversity is fundamental to understand the dynamics and the evolutionary relationships underlying disease outbreaks. In this study, we explore the value of whole-genome SNP analyses in identification of the pandemic pathogen Fusarium graminearum sensu stricto (F.g.). This species is responsible for cereal diseases and negatively impacts grain production worldwide. The fungus belongs to the monophyletic fungal complex referred to as F. graminearum species complex including at least sixteen cryptic species, a few among them may be involved in cereal diseases in certain agricultural areas. We analyzed WGS data from a collection of 99 F.g. strains and 33 strains representing all known cryptic species belonging to the FGSC complex. As a first step, we performed a phylogenomic analysis to reveal species-specific clustering. A RAxML maximum likelihood tree grouped all analyzed strains of F.g. into a single clade, supporting the clustering-based identification approach. Although, phylogenetic reconstructions are essential in detecting cryptic species, a phylogenomic tree does not fulfill the criteria for rapid and cost-effective approach for identification of fungi, due to the time-consuming nature of the analysis. As an alternative, analysis of WGS information by mapping sequence data from individual strains against reference genomes may provide useful markers for the rapid identification of fungi. We provide a robust framework for typing F.g. through the web-based PhaME workflow available at EDGE bioinformatics. The method was validated through multiple comparisons of assembly genomes to F.g. reference strain PH-1. We showed that the difference between intra- and interspecies variability was at least two times higher than intraspecific variation facilitating successful typing of F.g. This is the first study which employs WGS data for typing plant pathogenic fusaria.
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Affiliation(s)
- Tomasz Kulik
- Department of Botany and Nature Protection, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
- *Correspondence: Tomasz Kulik,,
| | - Tomasz Molcan
- Department of Bioinformatics, Institute of Biochemistry and Biophysics, Polish Academy of Sciences (PAN), Warsaw, Poland
| | - Grzegorz Fiedorowicz
- Department of Botany and Nature Protection, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Anne van Diepeningen
- Biointeractions and Plant Health, Wageningen Plant Research, Wageningen, Netherlands
| | - Alexander Stakheev
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Kinga Treder
- Department of Agriculture Systems, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | | | - Katarzyna Bilska
- Department of Botany and Nature Protection, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Marco Beyer
- Agro-Environmental Systems, Environmental Monitoring and Sensing Unit, Department of Environmental Research and Innovation, Luxembourg Institute of Science and Technology, Esch-sur-Alzette, Luxembourg
| | - Matias Pasquali
- Department of Food, Environmental and Nutritional Sciences, University of Milan, Milan, Italy
| | - Sebastian Stenglein
- National Scientific and Technical Research Council, Godoy Cruz, Argentina
- Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina
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22
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Wang H, Feng D, Chen L, Yang J, Wang X, Wang J. First Report of Fusarium meridionale Causing Stalk Rot of Ryegrass in China. PLANT DISEASE 2022; 106:1533. [PMID: 34978880 DOI: 10.1094/pdis-11-21-2482-pdn] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- Haoyu Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Shanghai Key Laboratory of Protected Horticultural Technology/Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture/Institute for Agro-Food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Disen Feng
- Shanghai Key Laboratory of Protected Horticultural Technology/Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture/Institute for Agro-Food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Lingqiao Chen
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Shanghai Key Laboratory of Protected Horticultural Technology/Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture/Institute for Agro-Food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Junhua Yang
- Shanghai Key Laboratory of Protected Horticultural Technology/Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture/Institute for Agro-Food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Xichun Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Jianhua Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Shanghai Key Laboratory of Protected Horticultural Technology/Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture/Institute for Agro-Food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
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23
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Hafez M, Gourlie R, Telfer M, Schatz N, Turkington TK, Beres B, Aboukhaddour R. Diversity of Fusarium spp. Associated with Wheat Node and Grain in Representative Sites Across the Western Canadian Prairies. PHYTOPATHOLOGY 2022; 112:1003-1015. [PMID: 34818906 DOI: 10.1094/phyto-06-21-0241-r] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Fusarium head blight (FHB) and Fusarium crown and root rot (FCRR) are major wheat diseases. Populations of FHB and FCRR pathogens are highly dynamic, and shifts in these populations in different regions is reported. Analyzing fungal populations associated with wheat node and grain tissues collected from different regions can provide useful information and predict diseases that might affect subsequent crops and effective disease management practices. In this study, wheat node and grain samples were collected from four representative sites across the western Canadian prairies in the 2018 growing season to characterize the major Fusarium spp. and other mycobiota associated with wheat in these regions. In total, 994 fungal isolates were recovered, and based on culture and molecular diagnostic methods, three genera constituted over 90% of all fungal isolates, namely Alternaria (39.6%), Fusarium (27.8%), and Parastagonospora (23.9%). A quantitative PCR (qPCR) diagnostic toolkit was developed to quantify the most frequently isolated Fusarium spp. in infected wheat tissues: Fusarium avenaceum, F. culmorum, F. graminearum, and F. poae. This qPCR specificity was validated in silico, in vitro, and in planta and proved specific to the target species. The qPCR results showed that F. graminearum was not detected frequently from wheat node and grain samples collected from four locations in this study. F. poae was the most abundant Fusarium species in grain samples in all tested locations. However, in node samples, F. culmorum (Beaverlodge and Scott) and F. avenaceum (Lacombe and Lethbridge) were the most abundant species. Trichothecene genotyping showed that the 3ADON is the most dominant trichothecene genotype (68%), followed by type-A trichothecenes (29.5%), whereas the 15ADON trichothecene genotype was least dominant (2.5%) and the NIV genotype was not detected. Moreover, a total of 129 translation elongation factor 1-alpha (TEF1α) sequences from nine Fusarium spp. were compared at the haplotype level to evaluate genetic variability and distribution. F. avenaceum and F. poae exhibited higher diversity as reflected by higher number of haplotypes present in these two species compared with the rest.
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Affiliation(s)
- Mohamed Hafez
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Center, Lethbridge, Alberta T1J 4B1, Canada
| | - Ryan Gourlie
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Center, Lethbridge, Alberta T1J 4B1, Canada
| | - Melissa Telfer
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Center, Lethbridge, Alberta T1J 4B1, Canada
| | - Nicola Schatz
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Center, Lethbridge, Alberta T1J 4B1, Canada
| | - Thomas K Turkington
- Agriculture and Agri-Food Canada, Lacombe Research and Development Center, Lacombe, Alberta T4L 1V7, Canada
| | - Brian Beres
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Center, Lethbridge, Alberta T1J 4B1, Canada
| | - Reem Aboukhaddour
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Center, Lethbridge, Alberta T1J 4B1, Canada
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24
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Shang G, Li S, Yu H, Yang J, Li S, Yu Y, Wang J, Wang Y, Zeng Z, Zhang J, Hu Z. An Efficient Strategy Combining Immunoassays and Molecular Identification for the Investigation of Fusarium Infections in Ear Rot of Maize in Guizhou Province, China. Front Microbiol 2022; 13:849698. [PMID: 35369506 PMCID: PMC8964309 DOI: 10.3389/fmicb.2022.849698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 01/31/2022] [Indexed: 11/13/2022] Open
Abstract
Fusarium is one of the most important phytopathogenic and mycotoxigenic fungi that caused huge losses worldwide due to the decline of crop yield and quality. To systematically investigate the infections of Fusarium species in ear rot of maize in the Guizhou Province of China and analyze its population structure, 175 samples of rotted maize ears from 76 counties were tested by combining immunoassays and molecular identification. Immunoassay based on single-chain variable fragment (scFv) and alkaline phosphatase (AP) fusion protein was first employed to analyze these samples. Fusarium pathogens were isolated and purified from Fusarium-infected samples. Molecular identification was performed using the partial internal transcribed spacer (ITS) and translation elongation factor 1α (TEF-1α) sequences. Specific primers were used to detect toxigenic chemotypes, and verification was performed by liquid chromatography tandem mass spectrometry (LC-MS/MS). One-hundred and sixty three samples were characterized to be positive, and the infection rate was 93.14%. Sixteen species of Fusarium belonging to six species complexes were detected and Fusarium meridionale belonging to the Fusarium graminearum species complex (FGSC) was the dominant species. Polymerase chain reaction (PCR) identification illustrated that 69 isolates (56.10%) were potential mycotoxin-producing Fusarium pathogens. The key synthetic genes of NIV, NIV + ZEN, DON + ZEN, and FBs were detected in 3, 35, 7, and 24 isolates, respectively. A total of 86.11% of F. meridionale isolates carried both NIV- and ZEN-specific segments, while Fusarium verticillioides isolates mainly represented FBs chemotype. All the isolates carrying DON-producing fragments were FGSC. These results showed that there are different degrees of Fusarium infections in Guizhou Province and their species and toxigenic genotypes display regional distribution patterns. Therefore, scFv-AP fusion-based immunoassays could be conducted to efficiently investigate Fusarium infections and more attention and measures should be taken for mycotoxin contamination in this region.
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Affiliation(s)
- Guofu Shang
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Shuqin Li
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Huan Yu
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Jie Yang
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Shimei Li
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Yanqin Yu
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Jianman Wang
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Yun Wang
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Zhu Zeng
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China.,Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China.,Immune Cells and Antibody Engineering Research Center of Guizhou Province, Cellular Immunotherapy Engineering Research Center of Guizhou Province, Guizhou Medical University, Guiyang, China.,State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, China
| | - Jingbo Zhang
- Wheat Anti-toxin Breeding Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zuquan Hu
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China.,Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China.,Immune Cells and Antibody Engineering Research Center of Guizhou Province, Cellular Immunotherapy Engineering Research Center of Guizhou Province, Guizhou Medical University, Guiyang, China
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25
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Trichothecene Genotype Profiling of Wheat Fusarium graminearum Species Complex in Paraguay. Toxins (Basel) 2022; 14:toxins14040257. [PMID: 35448866 PMCID: PMC9028958 DOI: 10.3390/toxins14040257] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/23/2022] [Accepted: 04/01/2022] [Indexed: 12/02/2022] Open
Abstract
Paraguay is a non-traditional wheat-producing country in one of the warmest regions in South America. Fusarium Head Blight (FHB) is a critical disease affecting this crop, caused by the Fusarium graminearum species complex (FGSC). A variety of these species produce trichothecenes, including deoxynivalenol (DON) and its acetylated forms (3-ADON and 15-ADON) or nivalenol (NIV). This study characterized the phylogenetic relationships, and chemotype diversity of 28 strains within FGSC collected from wheat fields across different country regions. Phylogenetic analysis based on the sequence of elongation factor-1α gene (EF-1α) from 28 strains revealed the presence of four species in the FGSC: F. graminearum sensu stricto, F. asiaticum, F. meridionale and F. cortaderiae. Ten strains selected for further analysis revealed that all F. graminearum strains were 15-ADON chemotype, while the two strains of F. meridionale and one strain of F. asiaticum were NIV chemotype. Thus, the 15-ADON chemotype of F. graminearum sensu stricto was predominant within the Fusarium strains isolated in the country. This work is the first report of phylogenetic relationships and chemotype diversity among Fusarium strains which will help understand the population diversity of this pathogen in Paraguay.
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26
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Del Ponte EM, Moreira GM, Ward TJ, O'Donnell K, Nicolli CP, Machado FJ, Duffeck MR, Alves KS, Tessmann DJ, Waalwijk C, van der Lee T, Zhang H, Chulze SN, Stenglein SA, Pan D, Vero S, Vaillancourt LJ, Schmale DG, Esker PD, Moretti A, Logrieco AF, Kistler HC, Bergstrom GC, Viljoen A, Rose LJ, van Coller GJ, Lee T. Fusarium graminearum Species Complex: A Bibliographic Analysis and Web-Accessible Database for Global Mapping of Species and Trichothecene Toxin Chemotypes. PHYTOPATHOLOGY 2022; 112:741-751. [PMID: 34491796 DOI: 10.1094/phyto-06-21-0277-rvw] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Fusarium graminearum is ranked among the five most destructive fungal pathogens that affect agroecosystems. It causes floral diseases in small grain cereals including wheat, barley, and oats, as well as maize and rice. We conducted a systematic review of peer-reviewed studies reporting species within the F. graminearum species complex (FGSC) and created two main data tables. The first contained summarized data from the articles including bibliographic, geographic, methodological (ID methods), host of origin and species, while the second data table contains information about the described strains such as publication, isolate code(s), host/substrate, year of isolation, geographical coordinates, species and trichothecene genotype. Analyses of the bibliographic data obtained from 123 publications from 2000 to 2021 by 498 unique authors and published in 40 journals are summarized. We describe the frequency of species and chemotypes for 16,274 strains for which geographical information was available, either provided as raw data or extracted from the publications, and sampled across six continents and 32 countries. The database and interactive interface are publicly available, allowing for searches, summarization, and mapping of strains according to several criteria including article, country, host, species and trichothecene genotype. The database will be updated as new articles are published and should be useful for guiding future surveys and exploring factors associated with species distribution such as climate and land use. Authors are encouraged to submit data at the strain level to the database, which is accessible at https://fgsc.netlify.app.
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Affiliation(s)
- Emerson M Del Ponte
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900 Brazil
| | - Gláucia M Moreira
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900 Brazil
| | - Todd J Ward
- Agricultural Research Service, National Center for Agricultural Utilization Research, U.S. Department of Agriculture, Peoria 61604, U.S.A
| | - Kerry O'Donnell
- Agricultural Research Service, National Center for Agricultural Utilization Research, U.S. Department of Agriculture, Peoria 61604, U.S.A
| | - Camila P Nicolli
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900 Brazil
| | - Franklin J Machado
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900 Brazil
| | - Maíra R Duffeck
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900 Brazil
| | - Kaique S Alves
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900 Brazil
| | - Dauri J Tessmann
- Departamento de Agronomia, Universidade Estadual de Maringá, Maringá, PR, 87020-900 Brazil
| | - Cees Waalwijk
- Biointeractions & Plant Health, Wageningen Plant Research, Wageningen, 6708PB, The Netherlands
| | - Theo van der Lee
- Biointeractions & Plant Health, Wageningen Plant Research, Wageningen, 6708PB, The Netherlands
| | - Hao Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Sofia N Chulze
- Universidad Nacional de Río Cuarto, Río Cuarto, 5800 Argentina
| | - Sebastian A Stenglein
- Laboratorio de Biología Funcional y Biotecnología, Facultad de Agronomía, Universidad Nacional del Centro, Buenos Aires, 7300, Argentina
| | - Dinorah Pan
- Universidad de la República, Facultad de Ciencias-Facultad de Ingeniería, Montevideo, 11800, Uruguay
| | - Silvana Vero
- Universidad de la República, Facultad de Ciencias-Facultad de Ingeniería, Montevideo, 11800, Uruguay
| | - Lisa J Vaillancourt
- Department of Plant Pathology, University of Kentucky, Lexington, 40546-0312, U.S.A
| | - David G Schmale
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, 24061-0390, U.S.A
| | - Paul D Esker
- Department of Plant Pathology and Environmental Microbiology, Pennsylvania State University, University Park, 16802, U.S.A
| | - Antonio Moretti
- National Research Council of Research, Institute of Sciences of Food Production, 70126 Bari, Italy
| | - Antonio F Logrieco
- National Research Council of Research, Institute of Sciences of Food Production, 70126 Bari, Italy
| | - H Corby Kistler
- Agricultural Research Service, Cereal Disease Laboratory, U.S. Department of Agriculture, St. Paul 55108, U.S.A
| | - Gary C Bergstrom
- School of Integrative Plant Science, Plant Pathology and Plant-Microbe Biology Section, Cornell University, Ithaca 14853-5904, U.S.A
| | - Altus Viljoen
- Department of Plant Pathology, Stellenbosch University, Stellenbosch, 7602, South Africa
| | - Lindy J Rose
- Department of Plant Pathology, Stellenbosch University, Stellenbosch, 7602, South Africa
| | - Gert J van Coller
- Plant Science, Western Cape Department of Agriculture, Elsenburg, 7607, South Africa
| | - Theresa Lee
- Microbial Safety Team, National Institute of Agricultural Sciences, Wanju, 55365, Republic of Korea
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27
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Kong FX, Zhang HJ, Liu Z, Chen GQ, Xu J. First Report of Panicle Rot Caused by Fusarium asiaticum on Foxtail Millet in China. PLANT DISEASE 2022; 106:1062. [PMID: 34546775 DOI: 10.1094/pdis-04-21-0856-pdn] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Affiliation(s)
- F-X Kong
- Institute of Dry land Agriculture and Forestry, Liaoning Academy of Agricultural Sciences, Chaoyang 122000, China
| | - H-J Zhang
- Institute of Dry land Agriculture and Forestry, Liaoning Academy of Agricultural Sciences, Chaoyang 122000, China
| | - Z Liu
- Institute of Dry land Agriculture and Forestry, Liaoning Academy of Agricultural Sciences, Chaoyang 122000, China
| | - G-Q Chen
- Institute of Dry land Agriculture and Forestry, Liaoning Academy of Agricultural Sciences, Chaoyang 122000, China
| | - J Xu
- Institute of Plant Protection, Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
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28
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Montoya-Martínez AC, O'Donnell K, Busman M, Vaughan MM, McCormick SP, Santillán-Mendoza R, Pineda-Vaca D, Clapes-Garduño L, Fernández-Pavía SP, Ploetz RC, Benítez-Malvido J, Montero-Castro JC, Rodríguez-Alvarado G. Weeds Harbor Fusarium Species that Cause Malformation Disease of Economically Important Trees in Western Mexico. PLANT DISEASE 2022; 106:612-622. [PMID: 34569826 DOI: 10.1094/pdis-06-21-1339-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Mango malformation disease (MMD) caused by Fusarium spp. is an important limiting factor in most production areas worldwide. Fusarium mexicanum and F. pseudocircinatum have been reported as causing MMD in Mexico. These two pathogens also cause a similar disease in Swietenia macrophylla (big-leaf mahogany malformation disease) in central western Mexico, and F. pseudocircinatum was recently reported as causing malformation disease in Tabebuia rosea (rosy trumpet) in the same region. These studies suggest that additional plant species, including weeds, might be hosts of these pathogens. The role that weed hosts might have in the disease cycle is unknown. The objectives of this work were to recover Fusarium isolates from understory vegetation in mango orchards with MMD, identify the Fusarium isolates through DNA sequence data, and determine whether F. mexicanum is capable of inducing disease in the weedy legume Senna uniflora (oneleaf senna). Additional objectives in this work were to compare Fusarium isolates recovered from weeds and mango trees in the same orchards by characterizing their phylogenetic relationships, assessing in vitro production of mycotoxins, and identifying their mating type idiomorph. A total of 59 Fusarium isolates from five species complexes were recovered from apical and lateral buds from four weed species. Two of the species within the F. fujikuroi species complex are known to cause MMD in Mexico. Trichothecene production was detected in five isolates, including F. sulawense and F. irregulare in the F. incarnatum-equiseti species complex and F. boothii in the F. sambucinum species complex. Both mating types were present among mango and weed isolates. This is the first report of herbaceous hosts harboring Fusarium species that cause mango malformation in Mexico. The information provided should prove valuable for further study of the epidemiological role of weeds in MMD and help manage the disease.
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Affiliation(s)
- Amelia C Montoya-Martínez
- Laboratorio de Patología Vegetal, IIAF, Universidad Michoacana de San Nicolás de Hidalgo, Tarímbaro, Michoacán 58880, México
| | - Kerry O'Donnell
- Mycotoxin Prevention and Applied Microbiology Research Unit, USDA-ARS, National Center for Agricultural Utilization Research, Peoria, IL 61604, U.S.A
| | - Mark Busman
- Mycotoxin Prevention and Applied Microbiology Research Unit, USDA-ARS, National Center for Agricultural Utilization Research, Peoria, IL 61604, U.S.A
| | - Martha M Vaughan
- Mycotoxin Prevention and Applied Microbiology Research Unit, USDA-ARS, National Center for Agricultural Utilization Research, Peoria, IL 61604, U.S.A
| | - Susan P McCormick
- Mycotoxin Prevention and Applied Microbiology Research Unit, USDA-ARS, National Center for Agricultural Utilization Research, Peoria, IL 61604, U.S.A
| | - Ricardo Santillán-Mendoza
- Laboratorio de Patología Vegetal, IIAF, Universidad Michoacana de San Nicolás de Hidalgo, Tarímbaro, Michoacán 58880, México
- Campo Experimental Ixtacuaco, CIRGOC, Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, Tlapacoyan, Veracruz, México
| | - Daniela Pineda-Vaca
- Laboratorio de Patología Vegetal, IIAF, Universidad Michoacana de San Nicolás de Hidalgo, Tarímbaro, Michoacán 58880, México
| | - Lyana Clapes-Garduño
- Laboratorio de Patología Vegetal, IIAF, Universidad Michoacana de San Nicolás de Hidalgo, Tarímbaro, Michoacán 58880, México
| | - Sylvia P Fernández-Pavía
- Laboratorio de Patología Vegetal, IIAF, Universidad Michoacana de San Nicolás de Hidalgo, Tarímbaro, Michoacán 58880, México
| | - Randy C Ploetz
- Department of Plant Pathology, Tropical Research and Education Center, University of Florida, Homestead, FL 33031-3314, U.S.A
| | - Julieta Benítez-Malvido
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia, Michoacán 58190, México
| | | | - Gerardo Rodríguez-Alvarado
- Laboratorio de Patología Vegetal, IIAF, Universidad Michoacana de San Nicolás de Hidalgo, Tarímbaro, Michoacán 58880, México
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29
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Turco S, Grottoli A, Drais MI, De Spirito C, Faino L, Reverberi M, Cristofori V, Mazzaglia A. Draft Genome Sequence of a New Fusarium Isolate Belonging to Fusarium tricinctum Species Complex Collected From Hazelnut in Central Italy. FRONTIERS IN PLANT SCIENCE 2021; 12:788584. [PMID: 34975974 PMCID: PMC8718101 DOI: 10.3389/fpls.2021.788584] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 11/12/2021] [Indexed: 05/14/2023]
Abstract
In summer 2019, during a survey on the health status of a hazelnut orchard located in the Tuscia area (the province of Viterbo, Latium, Italy), nuts showing symptoms, such as brown-grayish spots at the bottom of the nuts progressing upward to the apex, and necrotic patches on the bracts and, sometimes, on the petioles, were found and collected for further studies. This syndrome is associated with the nut gray necrosis (NGN), whose main causal agent is Fusarium lateritium. Aiming to increase knowledge about this fungal pathogen, the whole-genome sequencing of a strain isolated from symptomatic hazelnut was performed using long Nanopore reads technology in combination with the higher precision of the Illumina reads, generating a high-quality genome assembly. The following phylogenetic and comparative genomics analysis suggested that this isolate is caused by the F. tricinctum species complex rather than F. lateritium one, as initially hypothesized. Thus, this study demonstrates that different Fusarium species can infect Corylus avellana producing the same symptomatology. In addition, it sheds light onto the genetic features of the pathogen in subject, clarifying facets about its biology, epidemiology, infection mechanisms, and host spectrum, with the future objective to develop specific and efficient control strategies.
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Affiliation(s)
- Silvia Turco
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi della Tuscia, Viterbo, Italy
| | - Alessandro Grottoli
- Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria, Centro di Ricerca Difesa e Certificazione (CREA-DC), Rome, Italy
| | - Mounira Inas Drais
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi della Tuscia, Viterbo, Italy
| | - Carlo De Spirito
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi della Tuscia, Viterbo, Italy
| | - Luigi Faino
- Dipartimento di Biologia Ambientale, Sapienza Università di Roma, Rome, Italy
| | - Massimo Reverberi
- Dipartimento di Biologia Ambientale, Sapienza Università di Roma, Rome, Italy
| | - Valerio Cristofori
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi della Tuscia, Viterbo, Italy
| | - Angelo Mazzaglia
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi della Tuscia, Viterbo, Italy
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30
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Hafez M, Abdelmagid A, Aboukhaddour R, Adam LR, Daayf F. Fusarium Root Rot Complex in Soybean: Molecular Characterization, Trichothecene Formation, and Cross-Pathogenicity. PHYTOPATHOLOGY 2021; 111:2287-2302. [PMID: 33938238 DOI: 10.1094/phyto-03-21-0083-r] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Soybean is threatened by many pathogens that negatively affect this crop's yield and quality, such as various Fusarium species that cause wilting and root rot diseases. Fusarium root rot (FRR) in soybean can be caused by F. graminearum and other Fusarium spp. that are associated with Fusarium head blight (FHB) in cereals. Therefore, it was important to inquire whether Fusarium pathogens from soybean can cause disease in wheat and vice versa. Here, we investigated the FRR complex in Manitoba (Canada) from symptomatic plants, using both culture- and molecular-based methods. We developed a molecular diagnostic toolkit to detect and differentiate between several Fusarium spp. involved in FHB and FRR, then we evaluated cross-pathogenicity of selected Fusarium isolates collected from soybean and wheat, and the results indicate that isolates recovered from one host can infect the other host. Trichothecene production by selected Fusarium spp. was also analyzed chemically via liquid chromatography mass spectrometry in both soybean (root) and wheat (spike) tissues. Trichothecenes were also analyzed in soybean seeds from plants with FRR to check the potentiality of trichothecene translocation from infected roots to the seeds. All of the tested Fusarium isolates were capable of producing trichothecenes in wheat spikes and soybean roots, but no trichothecenes were detected in soybean seeds. This study provided evidence, for the first time, that trichothecenes were produced by several Fusarium spp. (F. cerealis, F. culmorum, and F. sporotrichioides) during FRR development in soybean.
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Affiliation(s)
- Mohamed Hafez
- Department of Plant Science, University of Manitoba, Winnipeg, Manitoba, R3T2N2, Canada
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Center, Lethbridge, Alberta, Canada
- Department of Botany and Microbiology, Faculty of Science, Suez University, Suez, Egypt
| | - Ahmed Abdelmagid
- Department of Plant Science, University of Manitoba, Winnipeg, Manitoba, R3T2N2, Canada
- Department of Plant Pathology, Assiut University, Assiut, 71515, Egypt
| | - Reem Aboukhaddour
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Center, Lethbridge, Alberta, Canada
| | - Lorne R Adam
- Department of Plant Science, University of Manitoba, Winnipeg, Manitoba, R3T2N2, Canada
| | - Fouad Daayf
- Department of Plant Science, University of Manitoba, Winnipeg, Manitoba, R3T2N2, Canada
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31
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Hay WT, McCormick SP, Vaughan MM. Effects of Atmospheric CO2 and Temperature on Wheat and Corn Susceptibility to Fusarium graminearum and Deoxynivalenol Contamination. PLANTS 2021; 10:plants10122582. [PMID: 34961056 PMCID: PMC8709488 DOI: 10.3390/plants10122582] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 11/20/2021] [Accepted: 11/22/2021] [Indexed: 11/16/2022]
Abstract
This work details the impact of atmospheric CO2 and temperature conditions on two strains of Fusarium graminearum, their disease damage, pathogen growth, mycotoxin accumulation, and production per unit fungal biomass in wheat and corn. An elevated atmospheric CO2 concentration, 1000 ppm CO2, significantly increased the accumulation of deoxynivalenol in infected plants. Furthermore, growth in cool growing conditions, 20 °C/18 °C, day and night, respectively, resulted in the highest amounts of pathogen biomass and toxin accumulation in both inoculated wheat and corn. Warm temperatures, 25 °C/23 °C, day and night, respectively, suppressed pathogen growth and toxin accumulation, with reductions as great as 99% in corn. In wheat, despite reduced pathogen biomass and toxin accumulation at warm temperatures, the fungal pathogen was more aggressive with greater disease damage and toxin production per unit biomass. Disease outcomes were also pathogen strain specific, with complex interactions between host, strain, and growth conditions. However, we found that atmospheric CO2 and temperature had essentially no significant interactions, except for greatly increased deoxynivalenol accumulation in corn at cool temperatures and elevated CO2. Plants were most susceptible to disease damage at warm and cold temperatures for wheat and corn, respectively. This work helps elucidate the complex interaction between the abiotic stresses and biotic susceptibility of wheat and corn to Fusarium graminearum infection to better understand the potential impact global climate change poses to future food security.
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32
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Gagkaeva T, Orina A, Gavrilova O. Fusarium head blight in the Russian Far East: 140 years after description of the 'drunken bread' problem. PeerJ 2021; 9:e12346. [PMID: 34760369 PMCID: PMC8557700 DOI: 10.7717/peerj.12346] [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: 05/14/2021] [Accepted: 09/29/2021] [Indexed: 11/20/2022] Open
Abstract
The first appearance of Fusarium head blight (FHB)—and the beginning of scientific research of this disease—occurred the Far East region of Russia at the end of the 19th century. In the summer of 2019, in the Amur region, which comprises 60–70% of grain production in the Russian Far East, flooding caused a state of emergency. The quality of wheat and barley grains grown under natural conditions of FHB outbreaks, including grain infection, fungal species composition, DNA content of F. graminearum and chemotypes, and the presence of various mycotoxins, was studied. Fusarium infection rates reached extremely high percentages, 51–98%, the majority of which were F. graminearum infections. The amount of F. graminearum DNA in wheat grain samples was higher than in the barley grain samples and averaged 6.1 and 2.1 pg/ng, respectively. The content of deoxynivalenol (DON) in the wheat samples reached 13,343 ppb and in barley reached 7,755 ppb. A multilocus genotyping assay was conducted on the partially sequenced fragments of the translation elongation factor EF-1a, ammonium ligase gene, reductase gene, and 3-O-acetyltransferase gene in 29 Fusarium graminearum sensu lato strains from the grain harvested in the Amur region. All strains from the Far East region were characterized as F. graminearum sensu stricto; 70% were the 15-AcDON chemotype, while the other strains were the 3-AcDON chemotype. According to the results, after 140 years of study of FHB, we are still not very successful in controlling this disease if conditions are favorable for pathogen development. Even at present, some of the grain harvested must be destroyed, as high contamination of mycotoxins renders it unusable.
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Affiliation(s)
- Tatiana Gagkaeva
- Laboratory of Mycology and Phytopathology, All-Russian Institute of Plant Protection, St. Petersburg, Pushkin, Russian Federation
| | - Aleksandra Orina
- Laboratory of Mycology and Phytopathology, All-Russian Institute of Plant Protection, St. Petersburg, Pushkin, Russian Federation
| | - Olga Gavrilova
- Laboratory of Mycology and Phytopathology, All-Russian Institute of Plant Protection, St. Petersburg, Pushkin, Russian Federation
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33
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Xi K, Shan L, Yang Y, Zhang G, Zhang J, Guo W. Species Diversity and Chemotypes of Fusarium Species Associated With Maize Stalk Rot in Yunnan Province of Southwest China. Front Microbiol 2021; 12:652062. [PMID: 34759893 PMCID: PMC8575069 DOI: 10.3389/fmicb.2021.652062] [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] [Received: 01/11/2021] [Accepted: 07/21/2021] [Indexed: 11/13/2022] Open
Abstract
Maize stalk rot caused by Fusarium species is one of the most important fungal diseases of maize throughout the world. The disease is responsible for considerable yield losses and has also been associated with mycotoxin contamination of the crop. In this study, a survey of maize stalk rot was performed in seven locations of Yunnan Province in China during the cropping season of 2015 and 2016. Based on morphological and molecular characteristics, 204 isolates belonging to 12 Fusarium spp. from symptomatic stalks of maize were identified. Among the isolated strains, 83 were identified as Fusarium meridionale (40.5%), 46 as Fusarium boothii (22.5%), 34 as Fusarium temperatum (16.5%), 12 as Fusarium equiseti (5.9%), 10 as Fusarium asiaticum (4.9%), six as Fusarium proliferatum (3.0%), four as Fusarium verticillioides (2.0%), four as Fusarium incarnatum (2.0%), two as Fusarium avenaceum (1.0%), one as Fusarium cerealis (0.5%), one as Fusarium graminearum (0.5%), and one as Fusarium cortaderiae (0.5%). Fusarium cortaderiae was the first report on the causal agent of maize stalk rot disease in China. These isolates were divided into five chemotypes: nivalenol (NIV), deoxynivalenol (DON), beauvericin (BEA), zearalenone (ZEN), and fumonisin (FUM). Phylogenetic analysis based on partial sequences of the translation elongation factor 1α (TEF1-α) showed a high degree of interspecific polymorphisms among the isolates. Pathogenicity analysis on maize stalks indicated that all the 12 species of Fusarium were able to cause the disease symptoms with different aggressiveness. This study on population, pathogenicity, and toxigenic chemotypes of Fusarium species associated with maize stalk rot in Yunnan Province of southwest China, will help design an effective integrated control strategy for this disease.
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Affiliation(s)
- Kaifei Xi
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China.,Key Laboratory of Agro-Products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Liuying Shan
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China.,Key Laboratory of Agro-Products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Yini Yang
- The Central Agricultural Broadcasting and Television School, Beijing, China
| | - Guoqing Zhang
- General Office of the Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Jun Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China.,Key Laboratory of Agro-Products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Wei Guo
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China.,Key Laboratory of Agro-Products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
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34
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Tralamazza SM, Abraham LN, Reyes-Avila CS, Corrêa B, Croll D. Histone H3K27 methylation perturbs transcriptional robustness and underpins dispensability of highly conserved genes in fungi. Mol Biol Evol 2021; 39:6424003. [PMID: 34751371 PMCID: PMC8789075 DOI: 10.1093/molbev/msab323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Epigenetic modifications are key regulators of gene expression and underpin genome integrity. Yet, how epigenetic changes affect the evolution and transcriptional robustness of genes remains largely unknown. Here, we show how the repressive histone mark H3K27me3 underpins the trajectory of highly conserved genes in fungi. We first performed transcriptomic profiling on closely related species of the plant pathogen Fusarium graminearum species complex. We determined transcriptional responsiveness of genes across environmental conditions to determine expression robustness. To infer evolutionary conservation, we used a framework of 23 species across the Fusarium genus including three species covered with histone methylation data. Gene expression variation is negatively correlated with gene conservation confirming that highly conserved genes show higher expression robustness. In contrast, genes marked by H3K27me3 do not show such associations. Furthermore, highly conserved genes marked by H3K27me3 encode smaller proteins, exhibit weaker codon usage bias, higher levels of hydrophobicity, show lower intrinsically disordered regions, and are enriched for functions related to regulation and membrane transport. The evolutionary age of conserved genes with H3K27me3 histone marks falls typically within the origins of the Fusarium genus. We show that highly conserved genes marked by H3K27me3 are more likely to be dispensable for survival during host infection. Lastly, we show that conserved genes exposed to repressive H3K27me3 marks across distantly related Fusarium fungi are associated with transcriptional perturbation at the microevolutionary scale. In conclusion, we show how repressive histone marks are entangled in the evolutionary fate of highly conserved genes across evolutionary timescales.
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Affiliation(s)
- Sabina Moser Tralamazza
- Laboratory of Evolutionary Genetics, Institute of Biology, University of Neuchatel, Switzerland.,Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Brazil
| | - Leen Nanchira Abraham
- Laboratory of Evolutionary Genetics, Institute of Biology, University of Neuchatel, Switzerland
| | | | - Benedito Corrêa
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Brazil
| | - Daniel Croll
- Laboratory of Evolutionary Genetics, Institute of Biology, University of Neuchatel, Switzerland
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35
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Leslie JF, Moretti A, Mesterházy Á, Ameye M, Audenaert K, Singh PK, Richard-Forget F, Chulze SN, Ponte EMD, Chala A, Battilani P, Logrieco AF. Key Global Actions for Mycotoxin Management in Wheat and Other Small Grains. Toxins (Basel) 2021; 13:725. [PMID: 34679018 PMCID: PMC8541216 DOI: 10.3390/toxins13100725] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 09/22/2021] [Accepted: 09/29/2021] [Indexed: 01/23/2023] Open
Abstract
Mycotoxins in small grains are a significant and long-standing problem. These contaminants may be produced by members of several fungal genera, including Alternaria, Aspergillus, Fusarium, Claviceps, and Penicillium. Interventions that limit contamination can be made both pre-harvest and post-harvest. Many problems and strategies to control them and the toxins they produce are similar regardless of the location at which they are employed, while others are more common in some areas than in others. Increased knowledge of host-plant resistance, better agronomic methods, improved fungicide management, and better storage strategies all have application on a global basis. We summarize the major pre- and post-harvest control strategies currently in use. In the area of pre-harvest, these include resistant host lines, fungicides and their application guided by epidemiological models, and multiple cultural practices. In the area of post-harvest, drying, storage, cleaning and sorting, and some end-product processes were the most important at the global level. We also employed the Nominal Group discussion technique to identify and prioritize potential steps forward and to reduce problems associated with human and animal consumption of these grains. Identifying existing and potentially novel mechanisms to effectively manage mycotoxin problems in these grains is essential to ensure the safety of humans and domesticated animals that consume these grains.
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Affiliation(s)
- John F. Leslie
- Throckmorton Plant Sciences Center, Department of Plant Pathology, 1712 Claflin Avenue, Kansas State University, Manhattan, KS 66506, USA;
| | - Antonio Moretti
- Institute of the Science of Food Production, National Research Council (CNR-ISPA), Via Amendola 122/O, 70126 Bari, Italy;
| | - Ákos Mesterházy
- Cereal Research Non-Profit Ltd., Alsókikötő sor 9, H-6726 Szeged, Hungary;
| | - Maarten Ameye
- Department of Plant and Crops, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium; (M.A.); (K.A.)
| | - Kris Audenaert
- Department of Plant and Crops, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium; (M.A.); (K.A.)
| | - Pawan K. Singh
- International Maize and Wheat Improvement Center (CIMMYT), Apdo. Postal 6-641, Mexico 06600, DF, Mexico;
| | | | - Sofía N. Chulze
- Research Institute on Mycology and Mycotoxicology (IMICO), National Scientific and Technical Research Council-National University of Río Cuarto (CONICET-UNRC), 5800 Río Cuarto, Córdoba, Argentina;
| | - Emerson M. Del Ponte
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil;
| | - Alemayehu Chala
- College of Agriculture, Hawassa University, P.O. Box 5, Hawassa 1000, Ethiopia;
| | - Paola Battilani
- Department of Sustainable Crop Production, Faculty of Agriculture, Food and Environmental Sciences, Universitá Cattolica del Sacro Cuore, via E. Parmense, 84-29122 Piacenza, Italy;
| | - Antonio F. Logrieco
- Institute of the Science of Food Production, National Research Council (CNR-ISPA), Via Amendola 122/O, 70126 Bari, Italy;
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36
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Xu F, Liu W, Song Y, Zhou Y, Xu X, Yang G, Wang J, Zhang J, Liu L. The Distribution of Fusarium graminearum and Fusarium asiaticum Causing Fusarium Head Blight of Wheat in Relation to Climate and Cropping System. PLANT DISEASE 2021; 105:2830-2835. [PMID: 33881919 DOI: 10.1094/pdis-01-21-0013-re] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In the main wheat production area of China (the Huang Huai Plain [HHP]), both Fusarium graminearum and Fusarium asiaticum, the causal agents of Fusarium head blight (FHB), are present. We investigated whether the relative prevalence of F. graminearum and F. asiaticum is related to cropping systems and/or climate factors. A total of 1,844 Fusarium isolates were obtained from 103 fields of two cropping systems: maize-wheat and rice-wheat rotations. To maximize the differences in climatic conditions, isolates were sampled from the north and south HHP regions. Based on the phylogenetic analysis of EF-1α and Tri101 sequences, 1,207 of the 1,844 isolates belonged to F. graminearum, and the remaining 637 isolates belonged to F. asiaticum. The former was predominant in the northern region: 1,022 of the 1,078 Fusarium isolates in the north were F. graminearum. The latter was predominant in the southern region: 581 of the 766 Fusarium isolates belonged to F. asiaticum. Using an analysis based on generalized linear modeling, the relative prevalence of the two species was associated more with climatic conditions than with the cropping system. F. graminearum was associated with drier conditions and cooler conditions during the winter but also with warmer conditions in the infection and grain-colonization period as well as with maize-wheat rotation. The opposite was true for F. asiaticum. Except for the 15-acetyldeoxynvalenol genotype, the trichothecene chemotype composition of F. asiaticum differed between the two cropping systems. The 3-acetyldeoxynivalenol genotype was more prevalent in the maize-wheat rotation, whereas the nivalenol genotype was more prevalent in the rice-wheat rotation. The results also suggested that environmental conditions in the overwintering period appeared to be more important than those in the infection, grain-colonization, and preanthesis sporulation periods in affecting the relative prevalence of F. graminearum and F. asiaticum. More research is needed to study the effect of overwintering conditions on subsequent epidemic in the following spring.
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Affiliation(s)
- Fei Xu
- Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
- Key Laboratory of Integrated Pest Management on Crops in Southern Part of North China, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Zhengzhou, Henan 450002, China
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Wei Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yuli Song
- Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
- Key Laboratory of Integrated Pest Management on Crops in Southern Part of North China, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Zhengzhou, Henan 450002, China
| | - Yilin Zhou
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiangming Xu
- National Institute of Agricultural Botany East Malling Research, East Malling, Kent ME19 6BJ, United Kingdom
| | - Gongqiang Yang
- Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
- Key Laboratory of Integrated Pest Management on Crops in Southern Part of North China, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Zhengzhou, Henan 450002, China
| | - Junmei Wang
- Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
- Key Laboratory of Integrated Pest Management on Crops in Southern Part of North China, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Zhengzhou, Henan 450002, China
| | - Jiaojiao Zhang
- Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
| | - Lulu Liu
- Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
- Key Laboratory of Integrated Pest Management on Crops in Southern Part of North China, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Zhengzhou, Henan 450002, China
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Cao B, Haelewaters D, Schoutteten N, Begerow D, Boekhout T, Giachini AJ, Gorjón SP, Gunde-Cimerman N, Hyde KD, Kemler M, Li GJ, Liu DM, Liu XZ, Nuytinck J, Papp V, Savchenko A, Savchenko K, Tedersoo L, Theelen B, Thines M, Tomšovský M, Toome-Heller M, Urón JP, Verbeken A, Vizzini A, Yurkov AM, Zamora JC, Zhao RL. Delimiting species in Basidiomycota: a review. FUNGAL DIVERS 2021. [DOI: 10.1007/s13225-021-00479-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Munkvold GP, Proctor RH, Moretti A. Mycotoxin Production in Fusarium According to Contemporary Species Concepts. ANNUAL REVIEW OF PHYTOPATHOLOGY 2021; 59:373-402. [PMID: 34077240 DOI: 10.1146/annurev-phyto-020620-102825] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Fusarium is one of the most important genera of plant-pathogenic fungi in the world and arguably the world's most important mycotoxin-producing genus. Fusarium species produce a staggering array of toxic metabolites that contribute to plant disease and mycotoxicoses in humans and other animals. A thorough understanding of the mycotoxin potential of individual species is crucial for assessing the toxicological risks associated with Fusarium diseases. There are thousands of reports of mycotoxin production by various species, and there have been numerous attempts to summarize them. These efforts have been complicated by competing classification systems based on morphology, sexual compatibility, and phylogenetic relationships. The current depth of knowledge of Fusarium genomes and mycotoxin biosynthetic pathways provides insights into how mycotoxin production is distributedamong species and multispecies lineages (species complexes) in the genus as well as opportunities to clarify and predict mycotoxin risks connected with known and newly described species. Here, we summarize mycotoxin production in the genus Fusarium and how mycotoxin risk aligns with current phylogenetic species concepts.
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Affiliation(s)
- Gary P Munkvold
- Department of Plant Pathology and Microbiology and Seed Science Center, Iowa State University, Ames, Iowa 50010, USA;
| | - Robert H Proctor
- Mycotoxin Prevention and Applied Microbiology Research Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, USDA, Peoria, Illinois 61604, USA;
| | - Antonio Moretti
- Institute of Sciences of Food Production, National Research Council of Italy (CNR-ISPA), 70126 Bari, Italy;
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Manawasinghe IS, Phillips AJL, Xu J, Balasuriya A, Hyde KD, Stępień Ł, Harischandra DL, Karunarathna A, Yan J, Weerasinghe J, Luo M, Dong Z, Cheewangkoon R. Defining a species in fungal plant pathology: beyond the species level. FUNGAL DIVERS 2021. [DOI: 10.1007/s13225-021-00481-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Oktalira FT, May TW, Dearnaley JDW, Linde CC. Seven new Serendipita species associated with Australian terrestrial orchids. Mycologia 2021; 113:968-987. [PMID: 34338610 DOI: 10.1080/00275514.2021.1919848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Serendipita is one of the main fungal genera that form mutualistic associations with species of orchids (Orchidaceae). Here, seven new Serendipita species associated with various Australian orchid genera are described. These Serendipita species were originally characterized by multilocus DNA sequence species delimitation analyses (three mtDNA and four nuclear genes) and confirmed as distinct with addition of further isolates and reanalysis of nuc rDNA internal transcribed spacer region ITS1-5.8S-ITS2 (ITS) and nuc 28S rDNA (28S). Culture morphology and microscopic features are presented for each species, three of which are binucleate and four multinucleate. For the ITS region, the seven species have within-species sequence divergence between 1.07% and 4.31%, and all but one of the species pairs is separated by interspecific divergence of at least 4.35%. The newly described Serendipita species, S. australiana, S. communis, S. occidentalis, S. rarihospitum, S. secunda, S. talbotii, and S. warcupii, are shown to be separate species from S. vermifera on the basis of comparison against a sequence from the type. Isolates originally identified by Warcup as Sebacina "vermifera" from Caladenia orchids are revised and shown to belong to three of the species newly described here. Some non-Caladenia isolates identified by Warcup as S. "vermifera" are also shown to be non-conspecific with the type of S. vermifera. On the basis of ITS sequences, 346 isolates from 26 other studies, previously identified under provisional designations, are accommodated under the novel species. The species of Serendipta described here associate with the Australian orchid genera Caladenia, Cyanicula, Elythranthera, Ericksonella, Eriochilus, Glossodia, and Pheladenia. Most of the novel Serendipita species occur widely across Australia, often with widely distributed hosts, but one species, Serendipita rarihospitum, associates with narrowly distributed orchid species.
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Affiliation(s)
- Fitria T Oktalira
- Ecology and Evolution, Research School of Biology, College of Science, The Australian National University, Canberra, ACT 2601, Australia
| | - Tom W May
- Royal Botanic Gardens Victoria, Birdwood Avenue, Melbourne, VIC 3004, Australia
| | - John D W Dearnaley
- Centre for Crop Health, The University of Southern Queensland, Toowoomba, Queensland 4350, Australia
| | - Celeste C Linde
- Ecology and Evolution, Research School of Biology, College of Science, The Australian National University, Canberra, ACT 2601, Australia
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Obradović A, Stepanovic J, Krnjaja V, Bulajic A, Stanković G, Stevanović M, Stankovic S. First report of Head blight of wheat caused by Fusarium vorosii in Serbia. PLANT DISEASE 2021; 106:758. [PMID: 34236211 DOI: 10.1094/pdis-04-21-0715-pdn] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The cosmopolitan species Fusarium graminearum Schwabe directly reduces yield, as well as grain quality of cereals, due to its ability to synthesize mycotoxins. Previously it was considered to be one species occurring on all continents. However, phylogenetic analysis employing the GCPSR method (Genealogical Concordance Phylogenetic Species Recognition) revealed the existence of 15 phylogenetic species within what is now recognised as the Fusarium graminearum Species Complex (FGSC) (Sarver et al. 2011). During 1996-2008, a MRIZP collection of FGSC isolates was established and isolates originating from wheat (5), maize (3) and barely (2) were selected for further study. Morphological features including the appearance of colonies and macroconidia (average size 38.5-53.1 × 4.6-5.4 µm, No 50) of all 10 isolates on PDA were consistent with descriptions of F. graminearum (O'Donnell et al. 2004, Leslie and Summerell 2006). Total DNA was isolated from mycelium removed from 7-day old colonies of single-spore isolates grown on PDA using the DNeasy Plant Mini Kit (Qiagen, Hilden). Further identification was based on amplification and sequencing of elongation factor TEF-1α, histone H3 and β-tubulin in both directions, with primers ef1/ef2, H3-1a/H3-1b and T1/T22, respectively (Jacobs et al. 2010). The sequences were deposited in NCBI under accession numbers MF974399 - MF974408 (TEF-1α), MG063783 - MG063792 (β-tubulin) and MF999139 - MF999148 (histone H3). Sequence analysis was performed using BLAST while genetic similarity was calculated using MEGA 6.0 software. Isolate 1339 originating from wheat (collected at the locality of Kikinda in 2006), shared 100% nucleotide identity with TEF-1α (DQ459745), histone H3 (DQ459728) and β-tubulin (DQ459643) of F. vorosii isolate NRRL37605 (Starkey et al. 2007). The remaining nine isolates were identified as F. graminearum as they shared 99% to 100% nucleotide similarity with F. graminearum NRRL 28439 (O'Donnell et al. 2004). Pathogenicity was tested using artificial inoculations of spikes during wheat flowering (Mesterhazy et al. 1999). Thirty classes were inoculated with each isolate, in three replicates. Inoculum was prepared from 7-day colonies on PDA, and 30 ml of a conidia suspension (1x105 conidia/ml) was used. Control plants were inoculated with sterile water. Three weeks after inoculation, typical Fusarium head blight symptoms were visible on inoculated plants, from which all 10 isolates were successfully reisolated. Control spikes remained symptomless. Disease severity was estimated on the 1-7 scale (Blandino et al. 2012). Average pathogenicity of the F. vorosii isolate 1339 was 1.9, and 2.4 -5.1 of F. graminearum isolates. Toxin production was determined using gas chromatography-tandem mass spectrometry. Kernels inoculated with the 10 isolates were ground and tested for the presence of deoxynivalenol (DON) and its acetyl derivatives 3ADON, 15ADON and NIV. F. vorosii isolate 1339 possessed the 15ADON chemotype, as well as eight F. graminearum isolates, while only one F. graminearum isolate was 3ADON chemotype. To date, F. vorosii has only been detected in Hungary on wheat (Toth et al. 2005) and Korea on barley, corn and rice (Lee et al. 2016). This is the first report of F. vorosii in Serbia, which is of great importance, because it indicates the spread of this toxigenic species. Further studies should be focused on determining the distribution, aggressiveness and toxicological profile of F. vorosii.
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Affiliation(s)
- Ana Obradović
- Maize Research Institute Zemun Polje, 229787, Phytopathology, Slobodana Bajića 1, Beograd, Serbia, 11185;
| | - Jelena Stepanovic
- Institute of Pesticides and Environmental Protection, 229750, Beograd, Beograd, Serbia;
| | - Vesna Krnjaja
- Institute for Animal Husbandry, 229801, plant pathology, Zemun, Beograd, Serbia;
| | - Aleksandra Bulajic
- University of Belgrade Faculty of Agriculture, 186112, Department of Phytopathology, Beograd, Serbia;
| | - Goran Stanković
- Maize Research Institute Zemun Polje, 229787, Plant Breeding, Beograd, Serbia;
| | - Milan Stevanović
- Maize Research Institute Zemun Polje, 229787, Plant Breeding, Beograd, Serbia;
| | - Slavica Stankovic
- Maize Research Institute Zemun Polje, 229787, Laboratory of Phytopathology, Beograd, Serbia;
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Comparative Genomics of Eight Fusarium graminearum Strains with Contrasting Aggressiveness Reveals an Expanded Open Pangenome and Extended Effector Content Signatures. Int J Mol Sci 2021; 22:ijms22126257. [PMID: 34200775 PMCID: PMC8230406 DOI: 10.3390/ijms22126257] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/02/2021] [Accepted: 06/07/2021] [Indexed: 01/25/2023] Open
Abstract
Fusarium graminearum, the primary cause of Fusarium head blight (FHB) in small-grain cereals, demonstrates remarkably variable levels of aggressiveness in its host, producing different infection dynamics and contrasted symptom severity. While the secreted proteins, including effectors, are thought to be one of the essential components of aggressiveness, our knowledge of the intra-species genomic diversity of F. graminearum is still limited. In this work, we sequenced eight European F. graminearum strains of contrasting aggressiveness to characterize their respective genome structure, their gene content and to delineate their specificities. By combining the available sequences of 12 other F. graminearum strains, we outlined a reference pangenome that expands the repertoire of the known genes in the reference PH-1 genome by 32%, including nearly 21,000 non-redundant sequences and gathering a common base of 9250 conserved core-genes. More than 1000 genes with high non-synonymous mutation rates may be under diverse selection, especially regarding the trichothecene biosynthesis gene cluster. About 900 secreted protein clusters (SPCs) have been described. Mostly localized in the fast sub-genome of F. graminearum supposed to evolve rapidly to promote adaptation and rapid responses to the host's infection, these SPCs gather a range of putative proteinaceous effectors systematically found in the core secretome, with the chloroplast and the plant nucleus as the main predicted targets in the host cell. This work describes new knowledge on the intra-species diversity in F. graminearum and emphasizes putative determinants of aggressiveness, providing a wealth of new candidate genes potentially involved in the Fusarium head blight disease.
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Crous P, Lombard L, Sandoval-Denis M, Seifert K, Schroers HJ, Chaverri P, Gené J, Guarro J, Hirooka Y, Bensch K, Kema G, Lamprecht S, Cai L, Rossman A, Stadler M, Summerbell R, Taylor J, Ploch S, Visagie C, Yilmaz N, Frisvad J, Abdel-Azeem A, Abdollahzadeh J, Abdolrasouli A, Akulov A, Alberts J, Araújo J, Ariyawansa H, Bakhshi M, Bendiksby M, Ben Hadj Amor A, Bezerra J, Boekhout T, Câmara M, Carbia M, Cardinali G, Castañeda-Ruiz R, Celis A, Chaturvedi V, Collemare J, Croll D, Damm U, Decock C, de Vries R, Ezekiel C, Fan X, Fernández N, Gaya E, González C, Gramaje D, Groenewald J, Grube M, Guevara-Suarez M, Gupta V, Guarnaccia V, Haddaji A, Hagen F, Haelewaters D, Hansen K, Hashimoto A, Hernández-Restrepo M, Houbraken J, Hubka V, Hyde K, Iturriaga T, Jeewon R, Johnston P, Jurjević Ž, Karalti İ, Korsten L, Kuramae E, Kušan I, Labuda R, Lawrence D, Lee H, Lechat C, Li H, Litovka Y, Maharachchikumbura S, Marin-Felix Y, Matio Kemkuignou B, Matočec N, McTaggart A, Mlčoch P, Mugnai L, Nakashima C, Nilsson R, Noumeur S, Pavlov I, Peralta M, Phillips A, Pitt J, Polizzi G, Quaedvlieg W, Rajeshkumar K, Restrepo S, Rhaiem A, Robert J, Robert V, Rodrigues A, Salgado-Salazar C, Samson R, Santos A, Shivas R, Souza-Motta C, Sun G, Swart W, Szoke S, Tan Y, Taylor J, Taylor P, Tiago P, Váczy K, van de Wiele N, van der Merwe N, Verkley G, Vieira W, Vizzini A, Weir B, Wijayawardene N, Xia J, Yáñez-Morales M, Yurkov A, Zamora J, Zare R, Zhang C, Thines M. Fusarium: more than a node or a foot-shaped basal cell. Stud Mycol 2021; 98:100116. [PMID: 34466168 PMCID: PMC8379525 DOI: 10.1016/j.simyco.2021.100116] [Citation(s) in RCA: 97] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Recent publications have argued that there are potentially serious consequences for researchers in recognising distinct genera in the terminal fusarioid clade of the family Nectriaceae. Thus, an alternate hypothesis, namely a very broad concept of the genus Fusarium was proposed. In doing so, however, a significant body of data that supports distinct genera in Nectriaceae based on morphology, biology, and phylogeny is disregarded. A DNA phylogeny based on 19 orthologous protein-coding genes was presented to support a very broad concept of Fusarium at the F1 node in Nectriaceae. Here, we demonstrate that re-analyses of this dataset show that all 19 genes support the F3 node that represents Fusarium sensu stricto as defined by F. sambucinum (sexual morph synonym Gibberella pulicaris). The backbone of the phylogeny is resolved by the concatenated alignment, but only six of the 19 genes fully support the F1 node, representing the broad circumscription of Fusarium. Furthermore, a re-analysis of the concatenated dataset revealed alternate topologies in different phylogenetic algorithms, highlighting the deep divergence and unresolved placement of various Nectriaceae lineages proposed as members of Fusarium. Species of Fusarium s. str. are characterised by Gibberella sexual morphs, asexual morphs with thin- or thick-walled macroconidia that have variously shaped apical and basal cells, and trichothecene mycotoxin production, which separates them from other fusarioid genera. Here we show that the Wollenweber concept of Fusarium presently accounts for 20 segregate genera with clear-cut synapomorphic traits, and that fusarioid macroconidia represent a character that has been gained or lost multiple times throughout Nectriaceae. Thus, the very broad circumscription of Fusarium is blurry and without apparent synapomorphies, and does not include all genera with fusarium-like macroconidia, which are spread throughout Nectriaceae (e.g., Cosmosporella, Macroconia, Microcera). In this study four new genera are introduced, along with 18 new species and 16 new combinations. These names convey information about relationships, morphology, and ecological preference that would otherwise be lost in a broader definition of Fusarium. To assist users to correctly identify fusarioid genera and species, we introduce a new online identification database, Fusarioid-ID, accessible at www.fusarium.org. The database comprises partial sequences from multiple genes commonly used to identify fusarioid taxa (act1, CaM, his3, rpb1, rpb2, tef1, tub2, ITS, and LSU). In this paper, we also present a nomenclator of names that have been introduced in Fusarium up to January 2021 as well as their current status, types, and diagnostic DNA barcode data. In this study, researchers from 46 countries, representing taxonomists, plant pathologists, medical mycologists, quarantine officials, regulatory agencies, and students, strongly support the application and use of a more precisely delimited Fusarium (= Gibberella) concept to accommodate taxa from the robust monophyletic node F3 on the basis of a well-defined and unique combination of morphological and biochemical features. This F3 node includes, among others, species of the F. fujikuroi, F. incarnatum-equiseti, F. oxysporum, and F. sambucinum species complexes, but not species of Bisifusarium [F. dimerum species complex (SC)], Cyanonectria (F. buxicola SC), Geejayessia (F. staphyleae SC), Neocosmospora (F. solani SC) or Rectifusarium (F. ventricosum SC). The present study represents the first step to generating a new online monograph of Fusarium and allied fusarioid genera (www.fusarium.org).
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Key Words
- Apiognomonia platani (Lév.) L. Lombard
- Atractium ciliatum Link
- Atractium pallidum Bonord.
- Calloria tremelloides (Grev.) L. Lombard
- Cephalosporium sacchari E.J. Butler
- Cosmosporella cavisperma (Corda) Sand.-Den., L. Lombard & Crous
- Cylindrodendrum orthosporum (Sacc. & P. Syd.) L. Lombard
- Dialonectria volutella (Ellis & Everh.) L. Lombard & Sand.-Den.
- Fusarium aeruginosum Delacr.
- Fusarium agaricorum Sarrazin
- Fusarium albidoviolaceum Dasz.
- Fusarium aleyrodis Petch
- Fusarium amentorum Lacroix
- Fusarium annuum Leonian
- Fusarium arcuatum Berk. & M.A. Curtis
- Fusarium aridum O.A. Pratt
- Fusarium armeniacum (G.A. Forbes et al.) L.W. Burgess & Summerell
- Fusarium arthrosporioides Sherb.
- Fusarium asparagi Delacr.
- Fusarium batatas Wollenw.
- Fusarium biforme Sherb.
- Fusarium buharicum Jacz. ex Babajan & Teterevn.-Babajan
- Fusarium cactacearum Pasin. & Buzz.-Trav.
- Fusarium cacti-maxonii Pasin. & Buzz.-Trav.
- Fusarium caudatum Wollenw.
- Fusarium cavispermum Corda
- Fusarium cepae Hanzawa
- Fusarium cesatii Rabenh.
- Fusarium citriforme Jamal.
- Fusarium citrinum Wollenw.
- Fusarium citrulli Taubenh.
- Fusarium clavatum Sherb.
- Fusarium coccinellum Kalchbr.
- Fusarium cromyophthoron Sideris
- Fusarium cucurbitae Taubenh.
- Fusarium cuneiforme Sherb.
- Fusarium delacroixii Sacc.
- Fusarium dimerum var. nectrioides Wollenw.
- Fusarium echinatum Sand.-Den. & G.J. Marais
- Fusarium epicoccum McAlpine
- Fusarium eucheliae Sartory, R. Sartory & J. Mey.
- Fusarium fissum Peyl
- Fusarium flocciferum Corda
- Fusarium gemmiperda Aderh.
- Fusarium genevense Dasz.
- Fusarium graminearum Schwabe
- Fusarium graminum Corda
- Fusarium heterosporioides Fautrey
- Fusarium heterosporum Nees & T. Nees
- Fusarium idahoanum O.A. Pratt
- Fusarium juruanum Henn.
- Fusarium lanceolatum O.A. Pratt
- Fusarium lateritium Nees
- Fusarium loncheceras Sideris
- Fusarium longipes Wollenw. & Reinking
- Fusarium lyarnte J.L. Walsh, Sangal., L.W. Burgess, E.C.Y. Liew & Summerell
- Fusarium malvacearum Taubenh.
- Fusarium martii f. phaseoli Burkh.
- Fusarium muentzii Delacr.
- Fusarium nigrum O.A. Pratt
- Fusarium oxysporum var. asclerotium Sherb.
- Fusarium palczewskii Jacz.
- Fusarium palustre W.H. Elmer & Marra
- Fusarium polymorphum Matr.
- Fusarium poolense Taubenh.
- Fusarium prieskaense G.J. Marais & Sand.-Den.
- Fusarium prunorum McAlpine
- Fusarium pusillum Wollenw.
- Fusarium putrefaciens Osterw.
- Fusarium redolens Wollenw.
- Fusarium reticulatum Mont.
- Fusarium rhizochromatistes Sideris
- Fusarium rhizophilum Corda
- Fusarium rhodellum McAlpine
- Fusarium roesleri Thüm.
- Fusarium rostratum Appel & Wollenw.
- Fusarium rubiginosum Appel & Wollenw.
- Fusarium rubrum Parav.
- Fusarium samoense Gehrm.
- Fusarium scirpi Lambotte & Fautrey
- Fusarium secalis Jacz.
- Fusarium spinaciae Hungerf.
- Fusarium sporotrichioides Sherb.
- Fusarium stercoris Fuckel
- Fusarium stilboides Wollenw.
- Fusarium stillatum De Not. ex Sacc.
- Fusarium sublunatum Reinking
- Fusarium succisae Schröt. ex Sacc.
- Fusarium tabacivorum Delacr.
- Fusarium trichothecioides Wollenw.
- Fusarium tritici Liebman
- Fusarium tuberivorum Wilcox & G.K. Link
- Fusarium tumidum var. humi Reinking
- Fusarium ustilaginis Kellerm. & Swingle
- Fusarium viticola Thüm.
- Fusarium werrikimbe J.L. Walsh, L.W. Burgess, E.C.Y. Liew & B.A. Summerell
- Fusarium willkommii Lindau
- Fusarium xylarioides Steyaert
- Fusarium zygopetali Delacr.
- Fusicolla meniscoidea L. Lombard & Sand.-Den.
- Fusicolla quarantenae J.D.P. Bezerra, Sand.-Den., Crous & Souza-Motta
- Fusicolla sporellula Sand.-Den. & L. Lombard
- Fusisporium andropogonis Cooke ex Thüm.
- Fusisporium anthophilum A. Braun
- Fusisporium arundinis Corda
- Fusisporium avenaceum Fr.
- Fusisporium clypeaster Corda
- Fusisporium culmorum Wm.G. Sm.
- Fusisporium didymum Harting
- Fusisporium elasticae Thüm.
- Fusisporium episphaericum Cooke & Ellis
- Fusisporium flavidum Bonord.
- Fusisporium hordei Wm.G. Sm.
- Fusisporium incarnatum Roberge ex Desm.
- Fusisporium lolii Wm.G. Sm.
- Fusisporium pandani Corda
- Gibberella phyllostachydicola W. Yamam.
- Hymenella aurea (Corda) L. Lombard
- Hymenella spermogoniopsis (Jul. Müll.) L. Lombard & Sand.-Den.
- Luteonectria Sand.-Den., L. Lombard, Schroers & Rossman
- Luteonectria albida (Rossman) Sand.-Den. & L. Lombard
- Luteonectria nematophila (Nirenberg & Hagedorn) Sand.-Den. & L. Lombard
- Macroconia bulbipes Crous & Sand.-Den.
- Macroconia phlogioides Sand.-Den. & Crous
- Menispora penicillata Harz
- Multi-gene phylogeny
- Mycotoxins
- Nectriaceae
- Neocosmospora
- Neocosmospora epipeda Quaedvl. & Sand.-Den.
- Neocosmospora floridana (T. Aoki et al.) L. Lombard & Sand.-Den.
- Neocosmospora merkxiana Quaedvl. & Sand.-Den.
- Neocosmospora neerlandica Crous & Sand.-Den.
- Neocosmospora nelsonii Crous & Sand.-Den.
- Neocosmospora obliquiseptata (T. Aoki et al.) L. Lombard & Sand.-Den.
- Neocosmospora pseudopisi Sand.-Den. & L. Lombard
- Neocosmospora rekana (Lynn & Marinc.) L. Lombard & Sand.-Den.
- Neocosmospora tuaranensis (T. Aoki et al.) L. Lombard & Sand.-Den.
- Nothofusarium Crous, Sand.-Den. & L. Lombard
- Nothofusarium devonianum L. Lombard, Crous & Sand.-Den.
- Novel taxa
- Pathogen
- Scolecofusarium L. Lombard, Sand.-Den. & Crous
- Scolecofusarium ciliatum (Link) L. Lombard, Sand.-Den. & Crous
- Selenosporium equiseti Corda
- Selenosporium hippocastani Corda
- Selenosporium sarcochroum Desm
- Selenosporium urticearum Corda.
- Setofusarium (Nirenberg & Samuels) Crous & Sand.-Den.
- Setofusarium setosum (Samuels & Nirenberg) Sand.-Den. & Crous.
- Sphaeria sanguinea var. cicatricum Berk.
- Sporotrichum poae Peck.
- Stylonectria corniculata Gräfenhan, Crous & Sand.-Den.
- Stylonectria hetmanica Akulov, Crous & Sand.-Den.
- Taxonomy
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Affiliation(s)
- P.W. Crous
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
- Wageningen University and Research Centre (WUR), Laboratory of Phytopathology, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
| | - L. Lombard
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - M. Sandoval-Denis
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
- Netherlands Institute of Ecology (NIOO-KNAW), Department of Microbial Ecology, Droevendaalsesteeg 10, 6708 PB, Wageningen, the Netherlands
| | - K.A. Seifert
- Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, K1S 5B6, Canada
| | - H.-J. Schroers
- Plant Protection Department, Agricultural Institute of Slovenia, Hacquetova ulica 17, 1000, Ljubljana, Slovenia
| | - P. Chaverri
- Department of Plant Science and Landscape Architecture, University of Maryland, College Park, MD, USA
- Escuela de Biología and Centro de Investigaciones en Productos Naturales, Universidad de Costa Rica, San Pedro, Costa Rica
| | - J. Gené
- Unitat de Micologia, Facultat de Medicina i Ciències de la Salut i Institut d’Investigació Sanitària Pere Virgili (IISPV), Universitat Rovira i Virgili, 43201, Reus, Spain
| | - J. Guarro
- Unitat de Micologia, Facultat de Medicina i Ciències de la Salut i Institut d’Investigació Sanitària Pere Virgili (IISPV), Universitat Rovira i Virgili, 43201, Reus, Spain
| | - Y. Hirooka
- Department of Clinical Plant Science, Faculty of Bioscience, Hosei University, 3-7-2 Kajino-cho, Koganei, Tokyo, 184-8584, Japan
| | - K. Bensch
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - G.H.J. Kema
- Wageningen University and Research Centre (WUR), Laboratory of Phytopathology, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
| | - S.C. Lamprecht
- ARC-Plant Health and Protection, Private Bag X5017, Stellenbosch, 7599, Western Cape, South Africa
| | - L. Cai
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - A.Y. Rossman
- Department of Botany & Plant Pathology, Oregon State University, Corvallis, OR, 97330, USA
| | - M. Stadler
- Department of Microbial Drugs, Helmholtz Centre for Infection Research GmbH (HZI), Inhoffenstrasse 7, 38124 Braunschweig, Germany
| | - R.C. Summerbell
- Sporometrics, Toronto, ON, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - J.W. Taylor
- Plant and Microbial Biology, 111 Koshland Hall, University of California, Berkeley, CA, 94720-3102, USA
| | - S. Ploch
- Senckenberg Biodiversity and Climate Research Center, Senckenberganlage 25, D-60325, Frankfurt am Main, Germany
| | - C.M. Visagie
- Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), Faculty of Natural and Agricultural Sciences, University of Pretoria, P. Bag X20, Hatfield, 0028, Pretoria, South Africa
| | - N. Yilmaz
- Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), Faculty of Natural and Agricultural Sciences, University of Pretoria, P. Bag X20, Hatfield, 0028, Pretoria, South Africa
| | - J.C. Frisvad
- Department of Biotechnology and Biomedicine, DTU-Bioengineering, Technical University of Denmark, 2800, Kongens Lyngby, Denmark
| | - A.M. Abdel-Azeem
- Systematic Mycology Lab., Botany and Microbiology Department, Faculty of Science, Suez Canal University, Ismailia, 41522, Egypt
| | - J. Abdollahzadeh
- Department of Plant Protection, Faculty of Agriculture, University of Kurdistan, P.O. Box 416, Sanandaj, Iran
| | - A. Abdolrasouli
- Department of Medical Microbiology, King's College Hospital, London, UK
- Department of Infectious Diseases, Imperial College London, London, UK
| | - A. Akulov
- Department of Mycology and Plant Resistance, V. N. Karazin Kharkiv National University, Maidan Svobody 4, 61022, Kharkiv, Ukraine
| | - J.F. Alberts
- Department of Food Science and Technology, Cape Peninsula University of Technology, P.O. Box 1906, Bellville, 7535, South Africa
| | - J.P.M. Araújo
- School of Forest Resources and Conservation, University of Florida, Gainesville, FL, USA
| | - H.A. Ariyawansa
- Department of Plant Pathology and Microbiology, College of Bio-Resources and Agriculture, National Taiwan University, No.1, Sec.4, Roosevelt Road, Taipei, 106, Taiwan, ROC
| | - M. Bakhshi
- Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), P.O. Box 19395-1454, Tehran, Iran
| | - M. Bendiksby
- Natural History Museum, University of Oslo, Norway
- Department of Natural History, NTNU University Museum, Trondheim, Norway
| | - A. Ben Hadj Amor
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - J.D.P. Bezerra
- Setor de Micologia/Departamento de Biociências e Tecnologia, Instituto de Patologia Tropical e Saúde Pública, Rua 235 - s/n – Setor Universitário - CEP: 74605-050, Universidade Federal de Goiás/Federal University of Goiás, Goiânia, Brazil
| | - T. Boekhout
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - M.P.S. Câmara
- Departamento de Agronomia, Universidade Federal Rural de Pernambuco, Recife, 52171-900, PE, Brazil
| | - M. Carbia
- Departamento de Parasitología y Micología, Instituto de Higiene, Facultad de Medicina – Universidad de la República, Av. A. Navarro 3051, Montevideo, Uruguay
| | - G. Cardinali
- Department of Pharmaceutical Science, University of Perugia, Via Borgo 20 Giugno, 74 Perugia, Italy
| | - R.F. Castañeda-Ruiz
- Instituto de Investigaciones Fundamentales en Agricultura Tropical Alejandro de Humboldt (INIFAT), Académico Titular de la Academia de Ciencias de, Cuba
| | - A. Celis
- Grupo de Investigación Celular y Molecular de Microorganismos Patógenos (CeMoP), Departamento de Ciencias Biológicas, Universidad de Los Andes, Bogotá, 111711, Colombia
| | - V. Chaturvedi
- Mycology Laboratory, New York State Department of Health Wadsworth Center, Albany, NY, USA
| | - J. Collemare
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - D. Croll
- Laboratory of Evolutionary Genetics, Institute of Biology, University of Neuchatel, CH-2000, Neuchatel, Switzerland
| | - U. Damm
- Senckenberg Museum of Natural History Görlitz, PF 300 154, 02806, Görlitz, Germany
| | - C.A. Decock
- Mycothèque de l'Université catholique de Louvain (MUCL, BCCMTM), Earth and Life Institute – ELIM – Mycology, Université catholique de Louvain, Croix du Sud 2 bte L7.05.06, B-1348, Louvain-la-Neuve, Belgium
| | - R.P. de Vries
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - C.N. Ezekiel
- Department of Microbiology, Babcock University, Ilishan Remo, Ogun State, Nigeria
| | - X.L. Fan
- The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing, 100083, China
| | - N.B. Fernández
- Laboratorio de Micología Clínica, Hospital de Clínicas, Universidad de Buenos Aires, Buenos Aires, Argentina
- Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - E. Gaya
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3DS, UK
| | - C.D. González
- Laboratorio de Salud de Bosques y Ecosistemas, Instituto de Conservación, Biodiversidad y Territorio, Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, casilla 567, Valdivia, Chile
| | - D. Gramaje
- Institute of Grapevine and Wine Sciences (ICVV), Spanish National Research Council (CSIC)-University of La Rioja-Government of La Rioja, Logroño, 26007, Spain
| | - J.Z. Groenewald
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - M. Grube
- Institut für Biologie, Karl-Franzens-Universität Graz, Holteigasse 6, 8010, Graz, Austria
| | - M. Guevara-Suarez
- Applied genomics research group, Universidad de los Andes, Cr 1 # 18 a 12, Bogotá, Colombia
| | - V.K. Gupta
- Center for Safe and Improved Food, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK
- Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK
| | - V. Guarnaccia
- Department of Agricultural, Forestry and Food Sciences (DISAFA), University of Torino, Largo P. Braccini 2, 10095, Grugliasco, TO, Italy
| | | | - F. Hagen
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - D. Haelewaters
- Research Group Mycology, Department of Biology, Ghent University, 35 K.L. Ledeganckstraat, 9000, Ghent, Belgium
- Faculty of Science, University of South Bohemia, Branišovská 31, 370 05, České Budějovice, Czech Republic
| | - K. Hansen
- Department of Botany, Swedish Museum of Natural History, P.O. Box 50007, SE-104 05, Stockholm, Sweden
| | - A. Hashimoto
- Microbe Division/Japan Collection of Microorganisms RIKEN BioResource Research Center, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | | | - J. Houbraken
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - V. Hubka
- Department of Botany, Charles University in Prague, Prague, Czech Republic
| | - K.D. Hyde
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chaing Rai, 57100, Thailand
| | - T. Iturriaga
- Cornell University, 334 Plant Science Building, Ithaca, NY, 14850, USA
| | - R. Jeewon
- Department of Health Sciences, Faculty of Medicine and Health Sciences, University of Mauritius, Reduit, Mauritius
| | - P.R. Johnston
- Manaaki Whenua Landcare Research, Private Bag 92170, Auckland, 1142, New Zealand
| | - Ž. Jurjević
- EMSL Analytical, Inc., 200 Route 130 North, Cinnaminson, NJ, 08077, USA
| | - İ. Karalti
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Yeditepe University, Turkey
| | - L. Korsten
- Department of Plant and Soil Sciences, University of Pretoria, P. Bag X20 Hatfield, Pretoria, 0002, South Africa
| | - E.E. Kuramae
- Netherlands Institute of Ecology (NIOO-KNAW), Department of Microbial Ecology, Droevendaalsesteeg 10, 6708 PB, Wageningen, the Netherlands
- Institute of Environmental Biology, Ecology and Biodiversity, Utrecht University, 3584 CH, Utrecht, the Netherlands
| | - I. Kušan
- Laboratory for Biological Diversity, Ruđer Bošković Institute, Bijenička cesta 54, HR-10000, Zagreb, Croatia
| | - R. Labuda
- University of Veterinary Medicine, Vienna (VetMed), Institute of Food Safety, Food Technology and Veterinary Public Health, Veterinaerplatz 1, 1210 Vienna and BiMM – Bioactive Microbial Metabolites group, 3430 Tulln a.d. Donau, Austria
| | - D.P. Lawrence
- University of California, Davis, One Shields Ave., Davis, CA, 95616, USA
| | - H.B. Lee
- Department of Agricultural Biological Chemistry, College of Agriculture & Life Sciences, Chonnam National University, Yongbong-Dong 300, Buk-Gu, Gwangju, 61186, South Korea
| | - C. Lechat
- Ascofrance, 64 route de Chizé, 79360, Villiers-en-Bois, France
| | - H.Y. Li
- The Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, The Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - Y.A. Litovka
- V.N. Sukachev Institute of Forest SB RAS, Laboratory of Reforestation, Mycology and Plant Pathology, Krasnoyarsk, 660036, Russia
- Reshetnev Siberian State University of Science and Technology, Department of Chemical Technology of Wood and Biotechnology, Krasnoyarsk, 660037, Russia
| | - S.S.N. Maharachchikumbura
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Y. Marin-Felix
- Department of Microbial Drugs, Helmholtz Centre for Infection Research GmbH (HZI), Inhoffenstrasse 7, 38124 Braunschweig, Germany
| | - B. Matio Kemkuignou
- Department of Microbial Drugs, Helmholtz Centre for Infection Research GmbH (HZI), Inhoffenstrasse 7, 38124 Braunschweig, Germany
| | - N. Matočec
- Laboratory for Biological Diversity, Ruđer Bošković Institute, Bijenička cesta 54, HR-10000, Zagreb, Croatia
| | - A.R. McTaggart
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Ecosciences Precinct, G.P.O. Box 267, Brisbane, 4001, Australia
| | - P. Mlčoch
- Department of Botany, Faculty of Science, Palacký University Olomouc, Šlechtitelů 27, CZ-783 71, Olomouc, Czech Republic
| | - L. Mugnai
- Department of Agricultural, Food, Environmental and Forestry Science and Technology (DAGRI), Plant Pathology and Entomology section, University of Florence, P.le delle Cascine 28, 50144, Firenze, Italy
| | - C. Nakashima
- Graduate school of Bioresources, Mie University, Kurima-machiya 1577, Tsu, Mie, 514-8507, Japan
| | - R.H. Nilsson
- Gothenburg Global Biodiversity Center at the Department of Biological and Environmental Sciences, University of Gothenburg, Box 461, 405 30, Gothenburg, Sweden
| | - S.R. Noumeur
- Department of Microbiology and Biochemistry, Faculty of Natural and Life Sciences, University of Batna 2, Batna, 05000, Algeria
| | - I.N. Pavlov
- V.N. Sukachev Institute of Forest SB RAS, Laboratory of Reforestation, Mycology and Plant Pathology, Krasnoyarsk, 660036, Russia
- Reshetnev Siberian State University of Science and Technology, Department of Chemical Technology of Wood and Biotechnology, Krasnoyarsk, 660037, Russia
| | - M.P. Peralta
- Laboratorio de Micodiversidad y Micoprospección, PROIMI-CONICET, Av. Belgrano y Pje. Caseros, Argentina
| | - A.J.L. Phillips
- Universidade de Lisboa, Faculdade de Ciências, Biosystems and Integrative Sciences Institute (BioISI), Campo Grande, 1749-016, Lisbon, Portugal
| | - J.I. Pitt
- Microbial Screening Technologies, 28 Percival Rd, Smithfield, NSW, 2164, Australia
| | - G. Polizzi
- Dipartimento di Agricoltura, Alimentazione e Ambiente, sez. Patologia vegetale, University of Catania, Via S. Sofia 100, 95123 Catania, Italy
| | - W. Quaedvlieg
- Phytopathology, Van Zanten Breeding B.V., Lavendelweg 15, 1435 EW, Rijsenhout, the Netherlands
| | - K.C. Rajeshkumar
- National Fungal Culture Collection of India (NFCCI), Biodiversity and Palaeobiology (Fungi) Group, Agharkar Research Institute, Pune, Maharashtra, 411 004, India
| | - S. Restrepo
- Laboratory of Mycology and Phytopathology – (LAMFU), Department of Chemical and Food Engineering, Universidad de los Andes, Cr 1 # 18 a 12, Bogotá, Colombia
| | - A. Rhaiem
- Plant Pathology and Population Genetics, Laboratory of Microorganisms, National Gene Bank, Tunisia
| | | | - V. Robert
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - A.M. Rodrigues
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo, 04023062, Brazil
| | - C. Salgado-Salazar
- USDA-ARS Mycology & Nematology Genetic Diversity & Biology Laboratory, Bldg. 010A, Rm. 212, BARC-West, 10300 Baltimore Ave, Beltsville, MD, 20705, USA
| | - R.A. Samson
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - A.C.S. Santos
- Departamento de Micologia Prof. Chaves Batista, Universidade Federal de Pernambuco, Centro de Biociências, Cidade Universitária, Av. Prof. Moraes Rego, s/n, Recife, PE, CEP: 50670-901, Brazil
| | - R.G. Shivas
- Centre for Crop Health, University of Southern Queensland, Toowoomba, 4350, Queensland, Australia
| | - C.M. Souza-Motta
- Departamento de Micologia Prof. Chaves Batista, Universidade Federal de Pernambuco, Centro de Biociências, Cidade Universitária, Av. Prof. Moraes Rego, s/n, Recife, PE, CEP: 50670-901, Brazil
| | - G.Y. Sun
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, China
| | - W.J. Swart
- Faculty of Natural and Agricultural Sciences, Department of Plant Sciences, University of the Free State, P.O. Box 339, Bloemfontein, 9300, South Africa
| | | | - Y.P. Tan
- Centre for Crop Health, University of Southern Queensland, Toowoomba, 4350, Queensland, Australia
- Queensland Plant Pathology Herbarium, Department of Agriculture and Fisheries, Dutton Park, Queensland, 4102, Australia
| | - J.E. Taylor
- Royal Botanic Garden Edinburgh, 20A Inverleith Row, Edinburgh, EH3 5LR, United Kingdom
| | - P.W.J. Taylor
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - P.V. Tiago
- Departamento de Micologia Prof. Chaves Batista, Universidade Federal de Pernambuco, Centro de Biociências, Cidade Universitária, Av. Prof. Moraes Rego, s/n, Recife, PE, CEP: 50670-901, Brazil
| | - K.Z. Váczy
- Food and Wine Research Institute, Eszterházy Károly University, 6 Leányka Street, H-3300, Eger, Hungary
| | | | - N.A. van der Merwe
- Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), Faculty of Natural and Agricultural Sciences, University of Pretoria, P. Bag X20, Hatfield, 0028, Pretoria, South Africa
| | - G.J.M. Verkley
- Westerdijk Fungal Biodiversity Institute, 3508 AD, Utrecht, the Netherlands
| | - W.A.S. Vieira
- Departamento de Agronomia, Universidade Federal Rural de Pernambuco, Recife, 52171-900, PE, Brazil
| | - A. Vizzini
- Department of Life Sciences and Systems Biology, University of Torino and Institute for Sustainable Plant Protection (IPSP-SS Turin), C.N.R, Viale P.A. Mattioli, 25, I-10125, Torino, Italy
| | - B.S. Weir
- Manaaki Whenua Landcare Research, Private Bag 92170, Auckland, 1142, New Zealand
| | - N.N. Wijayawardene
- Center for Yunnan Plateau Biological Resources Protection and Utilization, College of Biological Resource and Food Engineering, Qujing Normal University, Qujing, Yunnan, 655011, China
| | - J.W. Xia
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Taian, 271018, China
| | - M.J. Yáñez-Morales
- Fitosanidad, Colegio de Postgraduados-Campus Montecillo, Montecillo-Texcoco, 56230 Edo. de Mexico, Mexico
| | - A. Yurkov
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures GmbH, Inhoffenstrasse 7 B, 38124, Braunschweig, Germany
| | - J.C. Zamora
- Museum of Evolution, Uppsala University, Norbyvägen 16, SE-752 36, Uppsala, Sweden
| | - R. Zare
- Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), P.O. Box 19395-1454, Tehran, Iran
| | - C.L. Zhang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agriculture and Biotechnology, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou, 310058, China
| | - M. Thines
- Senckenberg Biodiversity and Climate Research Center, Senckenberganlage 25, D-60325, Frankfurt am Main, Germany
- Goethe-University Frankfurt am Main, Department of Biological Sciences, Institute of Ecology, Evolution and Diversity, Max-von-Laue Str. 13, D-60438, Frankfurt am Main, Germany
- LOEWE Centre for Translational Biodiversity Genomics, Georg-Voigt-Str. 14-16, D-60325, Frankfurt am Main, Germany
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Tralamazza SM, Piacentini KC, Savi GD, Carnielli-Queiroz L, de Carvalho Fontes L, Martins CS, Corrêa B, Rocha LO. Wild rice (O. latifolia) from natural ecosystems in the Pantanal region of Brazil: Host to Fusarium incarnatum-equiseti species complex and highly contaminated by zearalenone. Int J Food Microbiol 2021; 345:109127. [PMID: 33689972 DOI: 10.1016/j.ijfoodmicro.2021.109127] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 02/04/2021] [Accepted: 02/21/2021] [Indexed: 11/15/2022]
Abstract
We assessed the mycobiota diversity and mycotoxin levels present in wild rice (Oryza latifolia) from the Pantanal region of Brazil; fundamental aspects of which are severely understudied as an edible plant from a natural ecosystem. We found multiple fungal species contaminating the rice samples; the most frequent genera being Fusarium, Nigrospora and Cladosporium (35.9%, 26.1% and 15%, respectively). Within the Fusarium genus, the wild rice samples were mostly contaminated by the Fusarium incarnatum-equiseti species complex (FIESC) (80%) along with Fusarium fujikuroi species complex (20%). Phylogenetic analysis supported multiple FIESC species and gave support to the presence of two putative new groups within the complex (LN1 and LN2). Deoxynivalenol (DON) and zearalenone (ZEN) chemical analysis showed that most of the isolates were DON/ZEN producers and some were defined as high ZEN producers, displaying abundant ZEN levels over DON (over 19 times more). Suggesting that ZEN likely has a key adaptive role for FIESC in wild rice (O. latifolia). Mycotoxin determination in the rice samples revealed high frequency of ZEN, and 85% of rice samples had levels >100 μg/kg; the recommended limit set by regulatory agencies. DON was only detected in 5.2% of the samples. Our data shows that FIESC species are the main source of ZEN contamination in wild rice and the excessive levels of ZEN found in the rice samples raises considerable safety concerns regarding wild rice consumption by humans and animals.
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Affiliation(s)
- Sabina Moser Tralamazza
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil.
| | - Karim Cristina Piacentini
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Geovana Dagostim Savi
- University of Southern Santa Catarina (UNESC), Scientific and Technological Park, Santa Catarina, Brazil
| | - Lorena Carnielli-Queiroz
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Lívia de Carvalho Fontes
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | | | - Benedito Corrêa
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Liliana Oliveira Rocha
- Department of Food Science, Food Engineering Faculty, University of Campinas, Campinas, Brazil.
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46
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Karunarathna SC, Dong Y, Karasaki S, Tibpromma S, Hyde KD, Lumyong S, Xu J, Sheng J, Mortimer PE. Discovery of novel fungal species and pathogens on bat carcasses in a cave in Yunnan Province, China. Emerg Microbes Infect 2021; 9:1554-1566. [PMID: 32573334 PMCID: PMC7473127 DOI: 10.1080/22221751.2020.1785333] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Virulent infectious fungal diseases, in natural and managed landscapes, are increasing. Fungal diseases in humans, animals and plants have caused die-off and extinction events and have become a threat to food security. A caving expedition in Yunnan Province, China, revealed two bat carcasses covered in fungal mycelia. Eleven fungal isolates were obtained from these bat carcasses, and morphological observations and multigene phylogenetic analyses revealed they were Fusarium incarnatum, Mucor hiemalis and Trichoderma harzianum and four new species, Mortierella rhinolophicola, M. multispora, M. yunnanensis and Neocosmospora pallidimors. One of the more alarming findings is that a number of infections related to Neocosmospora, previously associated with human and animal mycotoxicoses, are reported to be increasing, and here we present a new species from this genus, isolated from dead bats. Due to the ecosystem services provided by bats, and the close relationship between bats and humans, future research should focus on the impacts and significance of N. pallidimors to human and animal health, examining its pathogenicity and secondary metabolites. Taxonomic descriptions, color images of the habitat, in situ samples, microstructures and cultures are presented. SEM photographs of microstructures and phylogenetic trees showing the placement of new and known species are also provided.
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Affiliation(s)
- Samantha Chandranath Karunarathna
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, Yunnan, People's Republic of China.,World Agroforestry Centre, Kunming, Yunnan, People's Republic of China.,Centre for Mountain Futures, Kunming Institute of Botany, Kunming, Yunnan, People's Republic of China
| | - Yang Dong
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, People's Republic of China.,Yunnan Research Institute for Local Plateau Agriculture and Industry, Kunming, People's Republic of China
| | - Seigi Karasaki
- Energy and Resources Group, University of California, Berkeley, CA, USA
| | - Saowaluck Tibpromma
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, Yunnan, People's Republic of China.,World Agroforestry Centre, Kunming, Yunnan, People's Republic of China.,Centre for Mountain Futures, Kunming Institute of Botany, Kunming, Yunnan, People's Republic of China
| | - Kevin David Hyde
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, Yunnan, People's Republic of China.,World Agroforestry Centre, Kunming, Yunnan, People's Republic of China.,Centre for Mountain Futures, Kunming Institute of Botany, Kunming, Yunnan, People's Republic of China.,Center of Excellence in Fungal Research, Mae Fah Luang University, Chinag Rai, Thailand
| | - Saisamorn Lumyong
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand.,Center of Excellence in Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand.,Academy of Science, The Royal Society of Thailand, Bangkok, Thailand
| | - Jianchu Xu
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, Yunnan, People's Republic of China.,World Agroforestry Centre, Kunming, Yunnan, People's Republic of China.,Centre for Mountain Futures, Kunming Institute of Botany, Kunming, Yunnan, People's Republic of China
| | - Jun Sheng
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, People's Republic of China.,Yunnan Research Institute for Local Plateau Agriculture and Industry, Kunming, People's Republic of China.,Key Laboratory for Agro-biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, People's Republic of China
| | - Peter Edward Mortimer
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, Yunnan, People's Republic of China.,Centre for Mountain Futures, Kunming Institute of Botany, Kunming, Yunnan, People's Republic of China
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Samiksha, Kumar S. Molecular Taxonomy, Diversity, and Potential Applications of Genus Fusarium. Fungal Biol 2021. [DOI: 10.1007/978-3-030-67561-5_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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48
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Jiang H, Wu N, Jin S, Ahmed T, Wang H, Li B, Wu X, Bao Y, Liu F, Zhang JZ. Identification of Rice Seed-Derived Fusarium Spp. and Development of LAMP Assay against Fusarium Fujikuroi. Pathogens 2020; 10:pathogens10010001. [PMID: 33374990 PMCID: PMC7822049 DOI: 10.3390/pathogens10010001] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/19/2020] [Accepted: 12/20/2020] [Indexed: 01/04/2023] Open
Abstract
Fusarium species are important seedborne pathogens that cause rice bakanae disease (RBD). In this study, 421 strains were isolated from 25 rice samples collected from Zhejiang, Anhui, and Jiangxi provinces of China. Furthermore, 407 isolates were identified as F. fujikuroi (80.05% isolation frequency), F. proliferatum (8.31%), F. equiseti (5.94%), F. incarnatum (2.61%), F. andiyazi (0.95%), and F. asiaticum (0.48%) based on morphology and translation elongation factor 1-alpha (TEF1-α) gene. Phylogenetic analysis of combined sequences of the RNA polymerase II largest subunit (RPB1), RNA polymerase II second largest subunit (RPB2), TEF1-α gene, and ribosomal DNA (rDNA) internal transcribed spacer (ITS) showed that 17 representative strains were attributed to six species. Pathogenicity tests showed that representative isolates possessed varying ability to cause symptoms of bakanae on rice seedlings. Moreover, the seed germination assay revealed that six isolates had different effects, such as inhibition of seed germination, as well as seed and bud rot. The loop mediated isothermal amplification (LAMP)-based assay were developed for the detection of F. fujikuroi. According to sequences of desaturase-coding gene promoter, a species-specific marker desM231 was developed for the detection of F. fujikuroi. The LAMP assay using seeds collected from field was validated, and diagnostics developed are efficient, rapid, and sensitive.
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Affiliation(s)
- Hubiao Jiang
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (H.J.); (S.J.); (T.A.); (H.W.); (B.L.)
| | - Na Wu
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China; (N.W.); (Y.B.); (F.L.)
| | - Shaomin Jin
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (H.J.); (S.J.); (T.A.); (H.W.); (B.L.)
| | - Temoor Ahmed
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (H.J.); (S.J.); (T.A.); (H.W.); (B.L.)
| | - Hui Wang
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (H.J.); (S.J.); (T.A.); (H.W.); (B.L.)
| | - Bin Li
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (H.J.); (S.J.); (T.A.); (H.W.); (B.L.)
| | - Xiaobi Wu
- Agricultural and Rural Bureau of Cangnan County, Wenzhou 325000, China;
| | - Yidan Bao
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China; (N.W.); (Y.B.); (F.L.)
| | - Fei Liu
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China; (N.W.); (Y.B.); (F.L.)
| | - Jing-Ze Zhang
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (H.J.); (S.J.); (T.A.); (H.W.); (B.L.)
- Correspondence: ; Tel.: +86-571-8898-2267
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49
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da Silva JJ, Iamanaka BT, Ferranti LS, Massi FP, Taniwaki MH, Puel O, Lorber S, Frisvad JC, Fungaro MHP. Diversity within Aspergillus niger Clade and Description of a New Species: Aspergillus vinaceus sp. nov. J Fungi (Basel) 2020; 6:jof6040371. [PMID: 33348541 PMCID: PMC7767288 DOI: 10.3390/jof6040371] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 12/13/2020] [Accepted: 12/14/2020] [Indexed: 11/29/2022] Open
Abstract
Diversity of species within Aspergillus niger clade, currently represented by A. niger sensu stricto and A. welwitshiae, was investigated combining three-locus gene sequences, Random Amplified Polymorphic DNA, secondary metabolites profile and morphology. Firstly, approximately 700 accessions belonging to this clade were investigated using calmodulin gene sequences. Based on these sequences, eight haplotypes were clearly identified as A. niger (n = 247) and 17 as A. welwitschiae (n = 403). However, calmodulin sequences did not provide definitive species identities for six haplotypes. To elucidate the taxonomic position of these haplotypes, two other loci, part of the beta-tubulin gene and part of the RNA polymerase II gene, were sequenced and used to perform an analysis of Genealogical Concordance Phylogenetic Species Recognition. This analysis enabled the recognition of two new phylogenetic species. One of the new phylogenetic species showed morphological and chemical distinguishable features in comparison to the known species A. welwitschiae and A. niger. This species is illustrated and described as Aspergillus vinaceus sp. nov. In contrast to A. niger and A. welwitschiae, A. vinaceus strains produced asperazine, but none of them were found to produce ochratoxin A and/or fumonisins. Sclerotium production on laboratory media, which does not occur in strains of A. niger and A. welwitschiae, and strictly sclerotium-associated secondary metabolites (14-Epi-hydroxy-10,23-dihydro-24,25-dehydroaflavinine; 10,23-Dihydro-24,25-dehydroaflavinine; 10,23-Dihydro-24,25-dehydro-21-oxo-aflavinine) were found in A. vinaceus. The strain type of A. vinaceus sp. nov. is ITAL 47,456 (T) (=IBT 35556).
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Affiliation(s)
- Josué J. da Silva
- Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil; (J.J.d.S.); (L.S.F.); (F.P.M.)
| | - Beatriz T. Iamanaka
- Centro de Ciência e Qualidade de Alimentos, Instituto de Tecnologia de Alimentos, Campinas, São Paulo 13070-178, Brazil; (B.T.I.); (M.H.T.)
| | - Larissa S. Ferranti
- Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil; (J.J.d.S.); (L.S.F.); (F.P.M.)
| | - Fernanda P. Massi
- Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil; (J.J.d.S.); (L.S.F.); (F.P.M.)
| | - Marta H. Taniwaki
- Centro de Ciência e Qualidade de Alimentos, Instituto de Tecnologia de Alimentos, Campinas, São Paulo 13070-178, Brazil; (B.T.I.); (M.H.T.)
| | - Olivier Puel
- Toxalim (Research Centre in Food Toxicology), INRAE, ENVT, INP-Purpan, 31027 Toulouse, France; (O.P.); (S.L.)
| | - Sophie Lorber
- Toxalim (Research Centre in Food Toxicology), INRAE, ENVT, INP-Purpan, 31027 Toulouse, France; (O.P.); (S.L.)
| | - Jens C. Frisvad
- Department of Biotechnology and Biomedicine, Technical University of Denmark, 2800 Lyngby, Denmark;
| | - Maria Helena P. Fungaro
- Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná 86057-970, Brazil; (J.J.d.S.); (L.S.F.); (F.P.M.)
- Correspondence: ; Tel.: +55-4399-955-4100
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50
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Tan J, Ameye M, Landschoot S, De Zutter N, De Saeger S, De Boevre M, Abdallah MF, Van der Lee T, Waalwijk C, Audenaert K. At the scene of the crime: New insights into the role of weakly pathogenic members of the fusarium head blight disease complex. MOLECULAR PLANT PATHOLOGY 2020; 21:1559-1572. [PMID: 32977364 PMCID: PMC7694684 DOI: 10.1111/mpp.12996] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 05/13/2023]
Abstract
Plant diseases are often caused by a consortium of pathogens competing with one another to gain a foothold in the infection niche. Nevertheless, studies are often limited to a single pathogen on its host. In Europe, fusarium head blight (FHB) of wheat is caused by multiple Fusarium species, including Fusarium graminearum and F. poae. Here, we combined a time series of (co)inoculations, monitored by multispectral imaging, transcriptional, and mycotoxin analyses, to study the temporal interaction between both species and wheat. Our results showed coinoculation of F. graminearum and F. poae inhibited symptom development but did not alter mycotoxin accumulation compared to a single inoculation with F. graminearum. In contrast, preinoculation of F. poae reduced both FHB symptoms and mycotoxin levels compared to a single F. graminearum infection. Interestingly, F. poae exhibited increased growth in dual infections, demonstrating that this weak pathogen takes advantage of its co-occurrence with F. graminearum. Quantitative reverse transcription PCR revealed that F. poae induces LOX and ICS gene expression in wheat. We hypothesize that the early induction of salicylic and jasmonic acid-related defences by F. poae hampers a subsequent F. graminearum infection. This study is the first to report on the defence mechanisms of the plant involved in a tripartite interaction between two species of a disease complex and their host.
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Affiliation(s)
- Jiang Tan
- Laboratory of Applied Mycology and PhenomicsDepartment of Plants and CropsFaculty of Bioscience EngineeringGhent UniversityGhentBelgium
| | - Maarten Ameye
- Laboratory of Applied Mycology and PhenomicsDepartment of Plants and CropsFaculty of Bioscience EngineeringGhent UniversityGhentBelgium
| | - Sofie Landschoot
- Laboratory of Applied Mycology and PhenomicsDepartment of Plants and CropsFaculty of Bioscience EngineeringGhent UniversityGhentBelgium
| | - Noémie De Zutter
- Laboratory of Applied Mycology and PhenomicsDepartment of Plants and CropsFaculty of Bioscience EngineeringGhent UniversityGhentBelgium
| | - Sarah De Saeger
- Centre of Excellence in Mycotoxicology and Public HealthDepartment of BioanalysisFaculty of Pharmaceutical SciencesGhent UniversityGhentBelgium
| | - Marthe De Boevre
- Centre of Excellence in Mycotoxicology and Public HealthDepartment of BioanalysisFaculty of Pharmaceutical SciencesGhent UniversityGhentBelgium
| | - Mohamed F. Abdallah
- Laboratory of Applied Mycology and PhenomicsDepartment of Plants and CropsFaculty of Bioscience EngineeringGhent UniversityGhentBelgium
- Centre of Excellence in Mycotoxicology and Public HealthDepartment of BioanalysisFaculty of Pharmaceutical SciencesGhent UniversityGhentBelgium
| | | | - Cees Waalwijk
- Wageningen University and Research CentreWageningenNetherlands
| | - Kris Audenaert
- Laboratory of Applied Mycology and PhenomicsDepartment of Plants and CropsFaculty of Bioscience EngineeringGhent UniversityGhentBelgium
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