The Tomato Wilt Fungus Fusarium oxysporum f. sp. lycopersici shares Common Ancestors with Nonpathogenic F. oxysporum isolated from Wild Tomatoes in the Peruvian Andes

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概要

• 論文の詳細を見る

• Fusarium oxysporum is an ascomycetous fungus that is well-known as a soilborne plant pathogen. In addition, a large population of nonpathogenic F. oxysporum (NPF) inhabits various environmental niches, including the phytosphere. To obtain an insight into the origin of plant pathogenic F. oxysporum, we focused on the tomato (Solanum lycopersicum) and its pathogenic F. oxysporum f. sp. lycopersici (FOL). We collected F. oxysporum from wild and transition Solanum spp. and modern cultivars of tomato in Chile, Ecuador, Peru, Mexico, Afghanistan, Italy, and Japan, evaluated the fungal isolates for pathogenicity, VCG, mating type, and distribution of SIX genes related to the pathogenicity of FOL, and constructed phylogenies based on ribosomal DNA intergenic spacer sequences. All F. oxysporum isolates sampled were genetically more diverse than FOL. They were not pathogenic to the tomato and did not carry SIX genes. Certain NPF isolates including those from wild Solanum spp. in Peru were grouped in FOL clades, whereas most of the NPF isolates were not. Our results suggested that the population of NPF isolates in FOL clades gave rise to FOL by gaining pathogenicity.

• 日本微生物生態学会・日本土壌微生物学会の論文

著者

• Teraoka Tohru

  Graduate School Of Agriculture Tokyo University Of Agriculture And Technology

• ARIE Tsutomu

  Graduate School of Agriculture, Tokyo University of Agriculture and Technology

• Kawabe Masato

  National Agricultural Research Center

• Onokubo-Okabe Akiko

  Graduate school of Agriculture, Tokyo University of Agriculture and Technology

• de Baldarrago

  Department of Biology, National University of San Augustín

• Inami Keigo

  Graduate school of Agriculture, Tokyo University of Agriculture and Technology

• Kashiwa Takeshi

  Graduate school of Agriculture, Tokyo University of Agriculture and Technology

• Ishikawa Nobuko

  Graduate school of Agriculture, Tokyo University of Agriculture and Technology

• Pérez Enrique

  Department of Plant Breeding, Chapingo Autonomous University

• Hozumi Takuo

  Interdisciplinary Research Center for Environment and Rural Service, Chapingo Autonomous University

• Caballero Liliana

  Department of Phytopathology, National Agrarian University—La Molina

• Roco Mauricio

  Tarapacá University

• Madadi Khalid

  Kabul University

• Peever Tobin

  Department of Plant Pathology, Washington State University

• Kodama Motoichiro

  Department of Agriculture, Tottori University

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• Structures of Oryzalic Acid B and Three Related Compounds, a Group of Novel Antibacterial Diterpenes, Isolated from Leaves of a Bacterial Leaf Blight-Resistent Cultivar of Rice
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• Targeted Gene Disruption of the Neuronal Calcium Sensor 1 Homologue in Rice Blast Fungus, Magnaporthe grisea(Biochemistry & Molecular Biology)
• Comparison of cellobiose dehydrogenase and cellobiose : quinon oxydoreductase activities between Fusarium oxysporum f. sp. lycopersici, and its FCD1-disruptant
• Cloning of the pathogenicity-related gene FPD1 in Fusarium oxysporum f. sp. lycopersici
• Communication between rice plant and rice blast fungus at early infection stage
• Real-time PCR for differential determination of the tomato wilt fungus, Fusarium oxysporum f. sp. lycopersici, and its races
• Comparison of cellobiose dehydrogenase and cellobiose : quinon oxydoreductase activities between Fusarium oxysporum f. sp. lycopersici, and its FCD1-disruptant
• Comparisons of ribosomal DNA-internal transcribed spacer sequences and biological features among Olpidium bornovanus isolates from Cucurbitaceae-cultivating soil in Japan
• The Tomato Wilt Fungus Fusarium oxysporum f. sp. lycopersici shares Common Ancestors with Nonpathogenic F. oxysporum isolated from Wild Tomatoes in the Peruvian Andes

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