Synthesis of functional probes toward elucidation of the function of respiratory enzymes of Caenorhabditis elegans.
Project/Area Number |
15380083
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Bioproduction chemistry/Bioorganic chemistry
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Research Institution | KYOTO UNIVERSITY |
Principal Investigator |
MIYOSHI Hideto Kyoto University, Agriculture, Associate Professor, 農学研究科, 助教授 (20190829)
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Co-Investigator(Kenkyū-buntansha) |
KITA Kiyoshi University of Tokyo, Medicine, Professor, 大学院・医学系研究科, 教授 (90134444)
|
Project Period (FY) |
2003 – 2004
|
Project Status |
Completed (Fiscal Year 2004)
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Budget Amount *help |
¥13,700,000 (Direct Cost: ¥13,700,000)
Fiscal Year 2004: ¥5,300,000 (Direct Cost: ¥5,300,000)
Fiscal Year 2003: ¥8,400,000 (Direct Cost: ¥8,400,000)
|
Keywords | Respiratory Inhibitor / Respiratory Enzymes / Mitochondria / アセトゲニン / 構造活性相関 |
Research Abstract |
To identify the binding subunit of fenpyroximate, a very potent inhibitor of bovine heart mitochondrial complex I, we synthesized ^3H-labeled photolabile fenpyroximate ([^3H](trifluoromethyl)-phenyldiazirinyl fenpyroximate, TDF). TDF appeared to elicit very potent inhibition of bovine heart mitochondrial complex I being nearly equivalent to that of fenpyroximate. On the basis of photoaffinity studies with bovine heart complex I in collaboration with Dr.Takao Yagi (The Scripps Research Institute, USA), the binding site of TDF was shown to be subunit ND5 which is thought to exist in membrane arm of the enzyme. Since antibody to the C-terminal region of the ND5 subunit only weakly recognized the subunit, we identified the ND5 by 2D-electrophoresis (SDS-PAGE). Our result is the first study wherein the subunit located in membrane arm was identified as the inhibitor binding subunit. Our study strongly suggests that subunit(s) located in membrane arm may be involved in the proton-pumping activity of complex I.
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Report
(3 results)
Research Products
(28 results)
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[Journal Article] Synthesis and inhibition mechanism of Dlac-acetogenins : a novel type of inhibitor of bovine heart mitochondrial complex I.2005
Author(s)
Ichimaru, N., Murai, M., Abe, M., Hamada, T., Yamada, Y., Makino, S., Nishioka, T., Makabe, H., Makino, A., Kobayashi, T., Miyoshi, H.
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Journal Title
Biochemistry 44
Pages: 816-825
Description
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[Journal Article] Rhodoquinone Reaction Site of Mitochondrial Complex I in Parasitic Helminth.2004
Author(s)
Yamashita, T., Ino, T., Miyoshi, H., Sakamoto, K., Osanai, A., Nakamaru-Ogiso, E., Kita, K.
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Journal Title
Ascaris suum.Biochim.Biophys.Acta (Bioenergetics) 1608
Pages: 97-103
Description
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[Journal Article] Synthesis of two possible diastereomers of reticulatain-12004
Author(s)
Makabe, H., Miyawaki, A., Takahashi, R., Hattori, Y., Konno, H., Abe, M., Miyoshi, H.
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Journal Title
Tetrahedron Lett. 45
Pages: 973-977
Description
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[Journal Article] Occurrence of a bound ubiquinone and its function in Escherichia coli membrane-bound quinoprotein glucose dehydrogenase.2004
Author(s)
Elias, M.D., Nakamura, S., Migita, C.T., Miyoshi, H., Toyama, H., Matsushita, K., Adachi, O., Yamada, M.
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Journal Title
J.Biol.Chem. 279
Pages: 3078-3083
Description
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[Journal Article] Essential structural features of acetogenins : role of hydroxy groups adjacent to the bis-THF rings.2004
Author(s)
Abe, M., Kenmochi, A., Ichimaru, N., Hamada, T., Nishioka, T., Miyoshi, H.
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Journal Title
Bioorg.Med.Chem.Lett. 14
Pages: 779-782
Description
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[Journal Article] Synthesis and Inhibitory Action of Novel Acetogenin Mimics with Bovine Heart Mitochondrial Complex I.2004
Author(s)
Hamada, T., Ichimaru, N., Abe, M., Fujita, D., Kenmochi, A., Nishioka, T., Zwicker, K., Brandt, U., Miyoshi, H.
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Journal Title
Biochemistry 43
Pages: 3651-3658
Description
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[Journal Article] Direct evidence for the interaction of stigmatellin with a protonated acidic group in the bc_1 complex from S.cerevisiae as monitored by FTIR difference spectroscopy and ^<13>C specific labeling.2004
Author(s)
Ritter, M., Palsdottir, H., Abe, M., Mantele, W., Hunte, C., Miyoshi, H., Hellwig, P.
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Journal Title
Biochemistry 43
Pages: 8439-8446
Description
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[Journal Article] Total synthesis of cis-solamin and its inhibitory action with bovine heart mitochondrial complex I.2004
Author(s)
Makabe, H., Hattori, Y., Kimura, Y., Konno, H., Abe, M., Miyoshi, H., Tanaka, A., Oritani, T.
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Journal Title
Tetrahedron 60
Pages: 10651-10657
Description
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[Journal Article] Architecture of succinate dehydrogenase and reactive oxygen species generation2003
Author(s)
Yankovskaya, V., Horsefield, R., Tornroth, S., Luna-Chavez, C., Miyoshi, H., Leger, C., Byrne, B., Cecchini, G., Iwata, S.
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Journal Title
Science 299
Pages: 700-704
Description
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[Journal Article] Atpenins, potent and specific inhibitors of mitochondrial complex II (succinate-ubiquinone oxidoreductase).2003
Author(s)
Miyadera, H., Shiomi, K., Ui, H., Yamaguchi Y., Masuma, R., Tomoda, H., Miyoshi, H., Osanai, A., Kita, K., Ohmura, S.
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Journal Title
Proc.Natl.Acad.Sci.USA 100
Pages: 473-477
Description
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[Journal Article] Asymmetric binding of the high-affinity Q_H ubisemiquinone in quinol oxidase (bo_3) from Escherichia coli studied by multifrequency electron paramagnetic resonance spectroscopy2003
Author(s)
Grimaldi S., Ostermann, T., Weiden, N., Mogi, T., Miyoshi, H., Lidwig, B., Michel, H., Prinsner, T.F., MacMillan, F.
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Journal Title
Biochemistry 42
Pages: 5632-5639
Description
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[Journal Article] Complex II from phototrophic purple bacterium Rhodoferax fermentans displays rhodoquinol-fumarate reductase activity.2003
Author(s)
Miyadera, H., Hiraishi, A., Miyoshi, H., Sakamoto, K., Mineki, R., Murayama, K., Nagashima, K., Matsuura, K., Kojima, S., Kita, K.
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Journal Title
Eur.J.Biochem. 270
Pages: 1863-1874
Description
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[Journal Article] Isolation and characterization of the stage-specific cytochrome b small subunit (CybS) of Ascaris suum complex II from the aerobic respiratory chain of larval mitochondria.2003
Author(s)
Amino, H., Osanai, A., Miyadera, H., Shinjyo, N., Tomitsuka, E., Taka, H.Mineki, R.Murayama, K.Takamiya, S.Aoki, T.Miyoshi, H., Sakamoto, K Kojima, S., Kita, K.
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Journal Title
Mol.Biochem.Parasitol. 128
Pages: 175-186
Description
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[Journal Article] Synthesis and Inhibitory Activity of Ubiquinone-Acetogenin Hybrid Inhibitor with Bovine Mitochondrial Complex I.2003
Author(s)
Yabunaka, H., Abe, M., Kenmochi, A., Hamada, T., Nishioka T., Miyoshi, H.
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Journal Title
Bioorg.Med.Chem.Lett. 13
Pages: 2385-2388
Description
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