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Osamu Numata

Research Profile

Chemicals & Drugs

Genes & Molecular Sequences

Amino Acid Sequences

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Physiology

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Publications

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Ayako Kikuchi; Kentaro Nakano; Tetsuo Ozawa; Kogiku Shiba; Kazuo Inaba; Osamu Numata
Black tea high-molecular-weight polyphenol increases the motility of sea urchin sperm by activating mitochondrial respiration.
Yasuharu Kushida; Kentaro Nakano; Osamu Numata
Amitosis requires γ-tubulin-mediated microtubule assembly in Tetrahymena thermophila.
Kentaro Nakano; Hidekazu Kuwayama; Masato Kawasaki; Osamu Numata; Masak Takaine
GMF is an evolutionarily developed Adf/cofilin-super family protein involved in the Arp2/3 complex-mediated organization of the actin cytoskeleton.

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2012: Ayako Kikuchi; Kentaro Nakano; Tetsuo Ozawa; Kogiku Shiba; Kazuo Inaba; Osamu Numata
Black tea high-molecular-weight polyphenol increases the motility of sea urchin sperm by activating mitochondrial respiration.
Bioscience, biotechnology, and biochemistry 2012;76(12):2321-4.
2011: Yasuharu Kushida; Kentaro Nakano; Osamu Numata
Amitosis requires γ-tubulin-mediated microtubule assembly in Tetrahymena thermophila.
Cytoskeleton (Hoboken, N.J.) 2011;68(2):89-96.
2010: Kentaro Nakano; Hidekazu Kuwayama; Masato Kawasaki; Osamu Numata; Masak Takaine
GMF is an evolutionarily developed Adf/cofilin-super family protein involved in the Arp2/3 complex-mediated organization of the actin cytoskeleton.
Cytoskeleton (Hoboken, N.J.) 2010;67(6):373-82.
2008: Tomomi Nakagawa; Kenta Fujiu; Eric S Cole; Osamu Numata
Involvement of a 25 kDa Tetrahymena Ca2+-binding protein in pronuclear exchange.
Cell structure and function 2008;33(1):151-62.
2008: Kenya Morita; Fumihide Bunai; Osamu Numata
Roles of three domains of Tetrahymena eEF1A in bundling F-actin.
Zoological science 2008;25(1):22-9.
2007: Takashi Fujihara; Akiko Nakagawa-Izumi; Tetsuo Ozawa; Osamu Numata
High-molecular-weight polyphenols from oolong tea and black tea: purification, some properties, and role in increasing mitochondrial membrane potential.
Bioscience, biotechnology, and biochemistry 2007;71(3):711-9.
2006: Hironori Ueno; Yoshinori Iwataki; Osamu Numata
Homologues of radial spoke head proteins interact with Ca2+/calmodulin in Tetrahymena cilia.
Journal of biochemistry 2006;140(4):525-33.
2006: Fumihide Bunai; Kunie Ando; Hironori Ueno; Osamu Numata
Tetrahymena eukaryotic translation elongation factor 1A (eEF1A) bundles filamentous actin through dimer formation.
Journal of biochemistry 2006;140(3):393-9.
2006: Sayaka Kuribara; Mai Kato; Takako Kato-Minoura; Osamu Numata
Identification of a novel actin-related protein in Tetrahymena cilia.
Cell motility and the cytoskeleton 2006;63(7):437-46.
2006: Tetsushi Sakiyama; Hironori Ueno; Hideya Homma; Osamu Numata; Tomohiko Kuwabara
Purification and characterization of a hemolysin-like protein, Sll1951, a nontoxic member of the RTX protein family from the Cyanobacterium Synechocystis sp. strain PCC 6803.
Journal of bacteriology 2006;188(10):3535-42.
2005: Kentaro Nakano; Fumihide Bunai; Osamu Numata
Stg 1 is a novel SM22/transgelin-like actin-modulating protein in fission yeast.
FEBS letters 2005;579(28):6311-6.
2005: Y Kanno; Akira Ishisaki; M Yoshida; Haruhiko Tokuda; Osamu Numata; Osamu Kozawa
SAPK/JNK plays a role in transforming growth factor-beta-induced VEGF synthesis in osteoblasts.
Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et métabolisme 2005;37(3):140-5.
2005: Yosuke Kanno; Akira Ishisaki; Minoru Yoshida; Keiichi Nakajima; Haruhiko Tokuda; Osamu Numata; Osamu Kozawa
Adenylyl cyclase-cAMP system inhibits thyroid hormone-stimulated osteocalcin synthesis in osteoblasts.
Molecular and cellular endocrinology 2005;229(1-2):75-82.
2004: Y Kanno; Haruhiko Tokuda; Keiichi Nakajima; Akira Ishisaki; Toshiyuki Shibata; Osamu Numata; Osamu Kozawa
Involvement of SAPK/JNK in prostaglandin E(1)-induced VEGF synthesis in osteoblast-like cells.
Molecular and cellular endocrinology 2004;220(1-2):89-95.
2004: Kenta Fujiu; Osamu Numata
Identification and molecular cloning of Tetrahymena 138-kDa protein, a transcription elongation factor homologue that interacts with microtubules in vitro.
Biochemical and biophysical research communications 2004;315(1):196-203.
2003: Shin Shirayama; Osamu Numata
Tetrahymena fimbrin localized in the division furrow bundles actin filaments in a calcium-independent manner.
Journal of biochemistry 2003;134(4):591-8.
2003: Hironori Ueno; Kohsuke Gonda; Tetsuya Takeda; Osamu Numata
Identification of elongation factor-1alpha as a Ca2+/calmodulin-binding protein in Tetrahymena cilia.
Cell motility and the cytoskeleton 2003;55(1):51-60.
2002: Kohsuke Gonda; Osamu Numata
p85 binds to G-actin in a Ca(2+)/calmodulin-dependent manner, thus regulating the initiation of cytokinesis in tetrahymena.
Biochemical and biophysical research communications 2002;292(4):1098-103.
2002: Hiroko Kojima; Osamu Numata
Enzymatic form and cytoskeletal form of bifunctional Tetrahymena 49kDa protein is regulated by phosphorylation.
Zoological science 2002;19(1):37-42.
2001: Osamu Numata; Kohsuke Gonda
Determination of division plane and organization of contractile ring in Tetrahymena.
Cell structure and function 2001;26(6):593-601.
2001: Tetsuya Takeda; I Yoshihama; Osamu Numata
Identification of Tetrahymena hsp60 as a 14-nm filament protein/citrate synthase-binding protein and its possible involvement in the oral apparatus formation.
Genes to cells : devoted to molecular & cellular mechanisms 2001;6(2):139-49.
2000: Kohsuke Gonda; M Komatsu; Osamu Numata
Calmodulin and Ca2+/calmodulin-binding proteins are involved in Tetrahymena thermophila phagocytosis.
Cell structure and function 2000;25(4):243-51.
2000: Kenta Fujiu; Osamu Numata
Reorganization of microtubules in the amitotically dividing macronucleus of tetrahymena.
Cell motility and the cytoskeleton 2000;46(1):17-27.
2000: Osamu Numata; Kohsuke Gonda; A Watanabe; Y Kurasawa
Cytokinesis in Tetrahymena: determination of division plane and organization of contractile ring.
Microscopy research and technique 2000;49(2):127-35.
2000: A Watanabe; Izuru Yonemura; Kohsuke Gonda; Osamu Numata
Cloning and sequencing of the gene for a Tetrahymena fimbrin-like protein.
Journal of biochemistry 2000;127(1):85-94.
2000: Osamu Numata; Y Kurasawa; Kohsuke Gonda; Y Watanabe
Tetrahymena elongation factor-1 alpha is localized with calmodulin in the division furrow.
Journal of biochemistry 2000;127(1):51-6.
2000: Osamu Numata; K Hanyu; Tetsuya Takeda; Y Watanabe
Tetrahymena calcium-binding proteins, TCBP-25 and TCBP-23.
Methods in cell biology 2000;62():455-65.
1999: Kohsuke Gonda; Mariko Katoh; K Hanyu; Y Watanabe; Osamu Numata
Ca(2+)/calmodulin and p85 cooperatively regulate an initiation of cytokinesis in Tetrahymena.
Journal of cell science 1999;112 ( Pt 21)():3619-26.
1999: Shulin Wang; Shigeru Nakashima; Osamu Numata; Kenta Fujiu; Yoshinori Nozawa
Molecular cloning and cell-cycle-dependent expression of the acetyl-CoA synthetase gene in Tetrahymena cells.
The Biochemical journal 1999;343 Pt 2():479-85.
1999: Kohsuke Gonda; K Nishibori; H Ohba; A Watanabe; Osamu Numata
Molecular cloning of the gene for p85 that regulates the initiation of cytokinesis in Tetrahymena.
Biochemical and biophysical research communications 1999;264(1):112-8.
1999: Kenta Fujiu; Osamu Numata
Localization of microtubules during macronuclear division in Tetrahymena and possible involvement of macronuclear microtubules in 'amitotic' chromatin distribution.
Cell structure and function 1999;24(5):401-4.
1999: Osamu Numata; Kenta Fujiu; Kohsuke Gonda
Macronuclear division and cytokinesis in Tetrahymena.
Cell biology international 1999;23(12):849-57.
1998: Shulin Wang; Shigeru Nakashima; H Sakai; Osamu Numata; Kenta Fujiu; Yoshinori Nozawa
Molecular cloning and cell-cycle-dependent expression of a novel NIMA (never-in-mitosis in Aspergillus nidulans)-related protein kinase (TpNrk) in Tetrahymena cells.
The Biochemical journal 1998;334 ( Pt 1)():197-203.
1998: A Watanabe; Y Kurasawa; Y Watanabe; Osamu Numata
A new Tetrahymena actin-binding protein is localized in the division furrow.
Journal of biochemistry 1998;123(4):607-13.
1997: H Kojima; Y Watanabe; Osamu Numata
The dual functions of Tetrahymena citrate synthase are due to the polymorphism of its isoforms.
Journal of biochemistry 1997;122(5):998-1003.
1997: Tetsuya Takeda; Y Watanabe; Osamu Numata
Direct demonstration of the bifunctional property of Tetrahymena 14-nm filament protein/citrate synthase following expression of the gene in Escherichia coli.
Biochemical and biophysical research communications 1997;237(2):205-10.
1996: Osamu Numata
[Molecular mechanism of cell division in tetrahymena].
Tanpakushitsu kakusan koso. Protein, nucleic acid, enzyme 1996;41(12 Suppl):1883-90.
1996: M Katoh; Y Watanabe; Osamu Numata
Tetrahymena nuclear proteins that bind to a micronucleus-specific sequence during vegetative growth.
Zoological science 1996;13(4):527-31.
1996: Y Kurasawa; Y Watanabe; Osamu Numata
Characterization of F-actin bundling activity of Tetrahymena elongation factor 1 alpha investigated with rabbit skeletal muscle actin.
Zoological science 1996;13(3):371-5.
1996: K Hanyu; Osamu Numata; M Takahashi; Y Watanabe
Immunofluorescence localization of a 23-kDa Tetrahymena calcium-binding protein, TCBP-23, in the cell cortex.
Journal of biochemistry 1996;119(5):914-9.
1996: Y Kurasawa; K Hanyu; Y Watanabe; Osamu Numata
F-actin bundling activity of Tetrahymena elongation factor 1 alpha is regulated by Ca2+/calmodulin.
Journal of biochemistry 1996;119(4):791-8.
1996: Osamu Numata
Multifunctional proteins in Tetrahymena: 14-nm filament protein/citrate synthase and translation elongation factor-1 alpha.
International review of cytology 1996;164():1-35.
1995: K Hanyu; T Takemasa; Osamu Numata; M Takahashi; Y Watanabe
Immunofluorescence localization of a 25-kDa Tetrahymena EF-hand Ca(2+)-binding protein, TCBP-25, in the cell cortex and possible involvement in conjugation.
Experimental cell research 1995;219(2):487-93.
1995: H Kojima; J Chiba; Y Watanabe; Osamu Numata
Citrate synthase purified from Tetrahymena mitochondria is identical with Tetrahymena 14-nm filament protein.
Journal of biochemistry 1995;118(1):189-95.
1995: Osamu Numata; T Yasuda; Y Watanabe
Tetrahymena intramitochondrial filamentous inclusions contain 14-nm filament protein/citrate synthase.
Experimental cell research 1995;218(1):123-31.
1995: T Takeda; Y Kurasawa; Y Watanabe; Osamu Numata
Polymerization of highly purified Tetrahymena 14-nm filament protein/citrate synthase into filaments and its possible role in regulation of enzymatic activity.
Journal of biochemistry 1995;117(4):869-74.
1995: Osamu Numata; H Suzuki; H Ohba; Y Watanabe
The mutant gene product of a Tetrahymena cell-division-arrest mutant cdaA is localized in the accessory structure of specialized basal body close to the division furrow.
Zoological science 1995;12(1):133-5.
1994: Osamu Numata
[Multifunctional proteins in Tetrahymena--14 nm filament protein and EF-1 alpha].
Tanpakushitsu kakusan koso. Protein, nucleic acid, enzyme 1994;39(2):106-18.
1992: Y Kurasawa; Osamu Numata; M Katoh; H Hirano; J Chiba; Y Watanabe
Identification of Tetrahymena 14-nm filament-associated protein as elongation factor 1 alpha.
Experimental cell research 1992;203(1):251-8.
1991: Osamu Numata; T Tomiyoshi; Y Kurasawa; Z X Fu; M Takahashi; T Kosaka; J Chiba; Y Watanabe
Antibodies against Tetrahymena 14-nm filament-forming protein recognize the replication band in Euplotes.
Experimental cell research 1991;193(1):183-9.
1991: Osamu Numata; T Takemasa; I Takagi; Masafumi Hirono; H Hirano; J Chiba; Y Watanabe
Tetrahymena 14-nm filament-forming protein has citrate synthase activity.
Biochemical and biophysical research communications 1991;174(2):1028-34.
1989: Masafumi Hirono; Y Kumagai; Osamu Numata; Y Watanabe
Purification of Tetrahymena actin reveals some unusual properties.
Proceedings of the National Academy of Sciences of the United States of America 1989;86(1):75-9.
1987: Masafumi Hirono; M Nakamura; M Tsunemoto; T Yasuda; H Ohba; Osamu Numata; Y Watanabe
Tetrahymena actin: localization and possible biological roles of actin in Tetrahymena cells.
Journal of biochemistry 1987;102(3):537-45.
1987: Masafumi Hirono; H Endoh; N Okada; Osamu Numata; Y Watanabe
Tetrahymena actin. Cloning and sequencing of the Tetrahymena actin gene and identification of its gene product.
Journal of molecular biology 1987;194(2):181-92.
1986: H Ohba; I Ohmori; Osamu Numata; Y Watanabe
Purification and immunofluorescence localization of the mutant gene product of a Tetrahymena cdaA1 mutant affecting cell division.
Journal of biochemistry 1986;100(3):797-808.
1983: Osamu Numata; Masafumi Hirono; Y Watanabe
Involvement of Tetrahymena intermediate filament protein, a 49K protein, in the oral morphogenesis.
Experimental cell research 1983;148(1):207-20.