Isolation and Characterization of Double-Stranded RNAs from the Pea Pathogen, Mycosphaerella pinodes
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概要
- 論文の詳細を見る
Studies on the structure of the extrachromosomal nucleic acids in the plant pathogenic fungus, Mycosphaerella pinodes, OMP-1 , isolated from Okayama, Japan, indicate that at least three double-stranded (ds) RNAs are present in the cyioplasm, while a strongly pathogenic isolate from England, MP-3, does not contain any of the dsRNAs. The sizes of these dsRNAs are 6.0kb (L), 4.0kb (M), and 2.6kb (S), respectively. Weakly pathogenic mutants selected from UV-irradiated OMP-1 contain considerably higher copy number of S than does the parental strain, while one of the mutants, OMP-X62, contains no detectable M. OMP-1 was cured of detectable dsRNAs by treatment with cycloheximide. Curing was accompanied by an increase in virulence and by partial recovery of a colony morphology similar to that of MP-3. The presence of these dsRNAs apparently results in a reduction in mycelial growth, in the stimulation of sporulation and possibly in the promotion of hypovirulence.
- 日本植物生理学会の論文
著者
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Kunoh Hitoshi
Institute For Biological Process Research Akatsuka Garden Co. Ltd.
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Kunoh H
Mie Univ. Tsu‐city Jpn
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Yamada T
Laboratory Of Plant Pathology & Genetic Engineering Faculty Of Agriculture Okayama University
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SHIRAISHI Tomonori
Laboratory of Plant Pathology and Genetic Engineering, College of Agriculture, Okayama University
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YAMADA Tetsuji
Laboratory of Plant Pathology and Genetic Engineering, College of Agriculture, Okayama University
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Kato Hisaharu
Laboratory of Plant Pathology & Genetic Engineering, College of Agriculture, Okayama University
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Oku Hachiro
Laboratory of Plant Pathology and Genetic Engineering, College of Agriculture, Okayama University
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Yoshida Takashi
Laboratory of Bioorganic Chemistry, Tokyo University of Agriculture and Technology
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Kato H
Tokyo Metropolitan Univ. Tokyo Jpn
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Yoshida Tomio
Institute Of Applied Biochetnistry University Of Tsukuba
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Yamada Tetsuji
Laboratory Of Genetic Engineering Faculty Of Agriculture Okayama University
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Shiraishi Tomonori
Laboratory Of Plant Pathology And Genetic Engineering Faculty Of Agriculture Okayama University
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Seno Masayuki
Laboratory of Plant Pathology & Genetic Engineering, College of Agriculture, Okayama University
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An Chengcai
Laboratory of Plant Pathology & Genetic Engineering, College of Agriculture, Okayama University
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An Chengcai
Laboratory Of Plant Pathology & Genetic Engineering College Of Agriculture Okayama University
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Oku Hachiro
Laboratory Of Plant Pathology And Genetic Engineering College Of Agriculture Okayama University
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Seno Masayuki
Laboratory Of Plant Pathology & Genetic Engineering College Of Agriculture Okayama University
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SHIRAISHI Tomonori
Laboratory of Plant Pathology & Genetic Engineering, Faculty of Agriculture, Okayama University
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