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Novel Stachyflin Derivatives from Stachybotrys sp. RF-7260

Autor: Kazuyuki Minagawa, Shuichi Kouzuki, Toshiyuki Kamigauchi, Yoshihiro Terui, Kikuo Ishii, Hiroyoshi Tani, Tatsuo Tanimoto

Publikováno v: The Journal of Antibiotics. 55:239-248

Stachybotrys sp. RF-7260 was found to produce stachyflins, novel anti-influenza virus agents, under solid-state fermentation conditions. Feeding DL-lysine to a culture of Stachybotrys sp. RF-7260 induced the formation of the novel compounds, SQ-02-S-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::668c66f112fe630657cc1fbc87d9359e
https://doi.org/10.7164/antibiotics.55.239

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Bisabosquals, Novel Squalene Synthase Inhibitors. I. Taxonomy, Fermentation, Isolation and Biological Activities

Autor: Takahiro Yamaguchi, Kazuyuki Minagawa, Keisuke Matsushima, Tatsuo Tanimoto, Hiroyoshi Tani, Kazuhide Nomura, Yoshimi Kawamura, Shuichi Kouzuki, Kikuo Ishii, Toshiyuki Kamigauchi

Publikováno v: The Journal of Antibiotics. 54:890-895

In the course of screening for yeast squalene synthase inhibitors, bisabosqual A was isolated from the culture broth of Stachybotrys sp. RF-7260. The related compounds bisabosquals B, C and D were also isolated from Stachybotrys ruwenzoriensis RF-685

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2fb823f91f4c026b1198440241d408c8
https://doi.org/10.7164/antibiotics.54.890

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ChemInform Abstract: Novel Stachyflin Derivatives from Stachybotrys sp. RF-7260. Fermentation, Isolation, Structure Elucidation and Biological Activities

Autor: Hiroyoshi Tani, Yoshihiro Terui, Kazuyuki Minagawa, Tatsuo Tanimoto, Kikuo Ishii, Toshiyuki Kamigauchi, Shuichi Kouzuki

Publikováno v: ChemInform. 33

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5ee76e8f9b0deb254501f3499d5f527
https://doi.org/10.1002/chin.200236234

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Isolation and structural elucidation of new cyclotetrapeptides, trapoxins A and B, having detransformation activities as antitumor agents

Autor: Koichi Matsumoto, Kazuo Nagashima, Kenji Sugita, Yuji Ikenishi, Shinya Yoshimatsu, Hiroshi Yoshida, Hiroshi Nakai, Nobuo Uotani, Yoshimi Kawamura, Akihiro Terui, Hiroshi Itazaki, Yukio Yasuda, Kikuo Ishii, Yuzo Nakagawa

Publikováno v: The Journal of Antibiotics. 43:1524-1532

New cyclotetrapeptides, trapoxins A and B were isolated from the culture broth of Helicoma ambiens RF-1023. These compounds exhibit detransformation activities against v-sis oncogene-transformed NIH3T3 cells (sis/NIH3T3) as antitumor agents. The stru

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7956d9c8bced58646a44649121692d83
https://doi.org/10.7164/antibiotics.43.1524

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Novel stachyflin derivatives from Stachybotrys sp. RF-7260. Fermentation, isolation, structure elucidation and biological activities

Autor: Kazuyuki, Minagawa, Shuichi, Kouzuki, Hiroyoshi, Tani, Kikuo, Ishii, Tatsuo, Tanimoto, Yoshihiro, Terui, Toshiyuki, Kamigauchi

Publikováno v: The Journal of antibiotics. 55(3)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e94f84f818beb8374100512fe1c2570f
https://pubmed.ncbi.nlm.nih.gov/12014438

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Salfredins, new aldose reductase inhibitors produced by Crucibulum sp. RF-3817. I. Fermentation, isolation and structures of salfredins

Autor: Yukio Yasuda, Kazuo Nagashima, Yuji Ikenisi, Nobuo Uotani, Yoshimi Kawamura, Yoshihiro Terui, Kikuo Ishii, Hiroshi Itazaki, Hiroshi Nakai, Tadashi Yoshida, Toshiyuki Kato, Junko Kikuchi, Koichi Matsumoto, Toshiyuki Kamigauchi, Tomohiro Sato

Publikováno v: The Journal of antibiotics. 48(6)

New inhibitors of aldose reductase, designated salfredins A3, A4, A7, C1, C2, C3 and B11, were isolated from the fermentation broth of Crucibulum sp. RF-3817 by successive purification procedures of solvent extraction, silica gel column chromatograph

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efb97b96711b5ec8ed3d3ffa2f05e7fb
https://pubmed.ncbi.nlm.nih.gov/7622427

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The Formation of Boron Nitride in the Reaction of Trichloride with Ammonia and its Crystallization by Heat Trea tment

Autor: Hiroaki Tagawa, Kikuo Ishii

Publikováno v: The Journal of the Society of Chemical Industry, Japan. 70:617-621

三塩化ホウ素とアンモニアとは1:4の割合に反応して,ホウ素を含む化合物と塩化アンモニウムとの混合物を与える。600℃以上で生成するホウ素の化合物は窒化ホウ素である。400℃以下で生

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::318e48244e7be78e51b234b18ded52e2
https://doi.org/10.1246/nikkashi1898.70.5_617

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