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Tsuneo Namai

Tohoku University

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Tetrahedron Letters | 1983

Self defensive substances in rice plant against rice blast disease

Tadahiro Kato; Yoshihiro Yamaguchi; Tadao Uyehara; Toshiro Yokoyama; Tsuneo Namai; Susumu Yamanaka

From the resistant variety of rice plant, Fukuyuki, were characterized five epoxy fatty acids (1–5), which inhibit strongly the germination and germ tube growth of rice blast fungus, ED50 being 20–30 ppm.

Tetrahedron Letters | 1985

Structure and synthesis of unsaturaded trihydroxy c18 fatty : Acids in rice plants suffering from rice blast disease

Tadahiro Kato; Yoshihiro Yamaguchi; Nobunori Abe; Tadao Uyehara; Tsuneo Namai; Mitsuaki Kodama; Yoshinori Shiobara

Abstract Structural elucidation including the absolute configuration was carried out on the trihydroxy C 18 -fatty acids isolated from rice plant, Sasanishiki suffered from rice blast disease.

Journal of The Chemical Society, Chemical Communications | 1986

Structural elucidation of 11-hydroxy-12,13-epoxyoctadeca-(9Z, 15Z)-dienoic acids from rice plants suffering from rice blast disease

Tadahiro Kato; Yoshihiro Yamaguchi; Shin-ichi Ohnuma; Tadao Uyehara; Tsuneo Namai; Mitsuaki Kodama; Yoshinori Shiobara

The structures and absolute configurations of the 11-hydroxy-12,13-epoxyoctadecadienoicacids isolated from rice plants suffering from rice blast disease have been determined.

Chemistry Letters | 1984

UNSATURATED HYDROXY FATTY ACIDS, THE SELF DEFENSIVE SUBSTANCES IN RICE PLANT AGAINST RICE BLAST DISEASE

Tadahiro Kato; Yoshihiro Yamaguchi; Takumi Hirano; Toshiro Yokoyama; Tadao Uyehara; Tsuneo Namai; Susumu Yamanaka; Nobuyuki Harada

Bioscience, Biotechnology, and Biochemistry | 1993

Anti-rice Blast Activity and Resistance Induction of C-18 Oxygenated Fatty Acids

Tsuneo Namai; Tadahiro Kato; Yoshihiro Yamaguchi; Toshifumi Hirukawa

Naturwissenschaften | 1983

Defense mechanism of the rice plant against rice blast disease

Tadahiro Kato; Yoshihiro Yamaguchi; Tadao Uyehara; T. Yokoyama; Tsuneo Namai; Susumu Yamanaka

Chemistry Letters | 1986

STRUCTURE AND SYNTHESIS OF 11,12,13-TRIHYDROXY-9Z,15Z-OCTADECADIENOIC ACIDS FROM RICE PLANT SUFFERING FROM RICE BLAST DISEASE

Tadahiro Kato; Yoshihiro Yamaguchi; Shin-ichi Ohnuma; Tadao Uyehara; Tsuneo Namai; Mitsuaki Kodama; Yoshinori Shiobara

Bulletin of the Chemical Society of Japan | 1996

Production of Hydroxy Unsaturated Fatty Acids Using Crude Lipoxygenase Obtained from Infected Rice Plants.

Tadahiro Kato; Tsutomu Watanabe; Toshifumi Hirukawa; Norihiro Tomita; Tsuneo Namai

Chemistry Letters | 1994

Abnormal Catabolites of Unsaturated Fatty Acids by In Vitro Reaction of Crude Enzyme from Infected Higher Plants

Tadahiro Kato; Akiko Morioka; Masakuni Yano; Toshifumi Hirukawa; Tsuneo Namai

Japanese Journal of Phytopathology | 1983

A Component Contained in Oatmeal that Favors the Sporulation of Rice Blast Fungus, Pyricularia oryzae Cavara

Tsuneo Namai; Susumu Yamanaka

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Susumu Yamanaka

Tohoku University

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Tadahiro Kato

Tohoku University

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Yoshihiro Yamaguchi

Kindai University

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Tadao Uyehara

Utsunomiya University

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Mitsuaki Kodama

Tokushima Bunri University

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Toshifumi Hirukawa

Tohoku University

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Yoshinori Shiobara

Kyoto University

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Tadao Misawa

Tohoku University

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Toshiro Yokoyama

Tohoku University

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Yoshio Ehara

Tohoku University

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