Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Zenji Sato"'
Publikováno v:
Japanese Journal of Phytopathology. 64:294-298
The red pigmented strain F-1-1 of Serratia marcescens shows a strong antagonism against Phytophthora capsici, the pathogen of damping-off of cucumber seedlings, and its antagonistic activity is due to the production of antibiotic red pigments. In the
Publikováno v:
Japanese Journal of Phytopathology. 64:287-293
An antagonistic bacterium against Phytophthora capsici, the pathogen of damping-off of cucumber, was isolated from the rhizosphere of scarlet sage (Salvia splendens F. Sellow ex Roem. et Schult.) in Fukui Prefecture. The red-pigmented strain F-1-1 wa
Autor:
Shigeo Iwasaki, Mika Natori, Yukiko Koiso, Hiroshi Yaegashi, Zenji Sato, Sadao Sato, Ryoichi Sonoda, Yoshikatsu Fujita
Publikováno v:
Tetrahedron Letters. 33:4157-4160
Ustiloxin(1), an antimitotic tetrapeptide containing a 13-membered ring including an ether linkage, was isolated from the water extract of false smut balls caused by Ustilaginoidea virens on the panicles of rice plant. The absolute structure was dete
Autor:
Shigeo Iwasaki, Yukiko Koiso, Kenji Hanaka, Zenji Sato, Hiroshi Yaegashi, Yin Li, Tomowo Kobayashi, Yoshikatsu Fujita, Ryoichi Sonoda
Publikováno v:
The Journal of antibiotics. 47(7)
Ustiloxins A (1a), B (1b), C (1c), D (1d) and E (1e), antimitotic peptides, have been isolated from the water extract of false smut balls caused on the panicles of rice plant by a fungus Ustilaginoidea virens. The structure of 1b was assigned from it
Autor:
Yoshikatsu Fujita, Naotaka Izumiyama, Kenichi Nakamura, Zenji Sato, Shigeo Iwasaki, Ryouichi Sonoda, Yukiko Koiso, Hiroshi Yaegashi, Kohichiro Ohtsubo
Publikováno v:
Natural toxins. 2(1)
A crude toxin, obtained by methanol-extraction of a water extract of false smut balls (INA-KOUJI in Japanese) caused by Ustilaginoidea virens on rice panicles, was injected into mice intraperitoneally. Single injection of 100 or 200 mg/kg body weight
Publikováno v:
Japanese Journal of Phytopathology. 53:203-209
Appressoria-like structures (ALS) were formed at the tips of hyphae of the blast fungus in Petri dishes containing PDA or water agar. Some of them germinated in PDA media and produced again a relatively small appressorium at the tip of hypha germinat
Publikováno v:
Japanese Journal of Phytopathology. 46:663-666
Seven toxic substances to rice seedlings were isolated from the cultured cell suspension of X. campestris pv. oryzae and they were identified as 3-methylthiopropionic acid, trans-3-methylthioacrylic acid, phenylacetic acid, isovaleric acid, tiglic ac
Autor:
Zenji Sato, Michio Namikoshi, Shigeo Iwasaki, Shigenobu Okuda, Jun Furukawa, Izumi Matsuda, Hisayoshi Kobayashi, Takato Noda
Publikováno v:
The Journal of Antibiotics. 37:354-362
A new 16-membered macrolide designated as rhizoxin was isolated as a toxin produced by Rhizopus chinensis, the causal agent of rice seedling blight . The skeletal structure was determined by detailed NMR spectroscopic investigation of this compound a
Autor:
Michiaki Sakaue, C. Rovinetti, Victório Maspes, William Selezinka, S. Casanova, Carlos A. Vaamonde, Yutaka Imai, Jeremiah G. Turcotte, Tadashi Miura, Kuniyuki Oka, Gilbert B. Mayor, David N.S. Kerr, Kunio Saito, Leonardo Cagnoli, Pietro Zucchelli, Franklin D. McDonald, B. von Hartitzsch, Mauro Sasdelli, O. Vavatsi-Manos, Luiz Estevam Ianhez, Emil Sabbaga, Kazuo Terashima, Harry G. Preuss, Mayor L. Horensten, H. Dobbelstein, Guido O. Perez, James R. Oster, U. Donini, Tetsunosuke Takahashi, Akira Sue, Zenji Sato, Anthony Schork, Soitsu Fukuchi, Tsuneo Hirai, Yoh Yamagata
Publikováno v:
Nephron. 17:I-VI
Publikováno v:
Japanese Journal of Phytopathology. 46:40-45
The number and width of exodermal and cortical cells in swollen rice seedling roots infected with Rhizopus chinensis or induced by the toxin produced by the pathogen increased and the thickness of the cortical cell walls also increased to about 3 tim