町田泰則

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町田泰則（まちだやすのり、1948年 - ）は、日本の分子生物学者（植物を材料とする）。名古屋大学大学院理学研究科客員教授、名誉教授。

タバコやシロイヌナズナを用いて、植物の細胞分裂や細胞分化及び成長の仕組みを研究している。これらの業績により、2010年にアメリカ科学振興協会（AAAS）のフェローに選ばれた。また最近、植物細胞の分裂の最終段階である細胞板形成の分子機構に関する研究により、（公社）日本植物学会賞学術賞（2013年）と（一社）日本植物生理学会賞（2015年）を、植物細胞の増殖と器官分化の仕組みに関する研究と植物科学の進歩への貢献により、（公社）日本植物学会賞大賞（2020年）を授与された。

1948年群馬県渋川市生まれ
1964年渋川市立渋川北中学校卒業
1967年群馬県立渋川高等学校卒業
1972年千葉大学理学部生物学科卒業
1978年名古屋大学大学院理学研究科（分子生物学専攻）博士課程満了（理学博士）：岡崎令治、恒子教授のもとでDNAの不連続的複製機構の研究、日本学術振興会奨励研究員
1979年-1982年ニューヨーク州立大学医学部博士研究員：大坪栄一教授のもとでDNAトンランスポジションの分子機構の研究
1982年-1984年農林水産省植物ウイルス研究所研究員：クラウンゴール腫瘍形成の分子機構の研究
1984年-1987年名古屋大学理学部助手：クラウンゴール腫瘍形成の分子機構の研究
1987年-1989年名古屋大学理学部助教授：植物細胞の分裂と分化の研究
1989年-1997年3月名古屋大学理学部（大学院理学研究科）教授：植物細胞の分裂と分化の研究
1997年4月-1999年3月京都大学大学院理学研究科教授
1999年4月-2012年3月名古屋大学大学院理学研究科教授
2012年4月-2016年3月名古屋大学大学院理学研究科特任教授、名誉教授
2016年4月- 2017年3月名古屋大学大学院理学研究科研究員、名誉教授
2017年4月- 2019年3月名古屋大学大学院理学研究科シニアリサーチフェロー、名誉教授
2019年4月- 現在名古屋大学大学院理学研究科客員教授、名誉教授

主要論文

主な原著論文

Machida, Y., Okazaki, T. and Okazaki, R.: Discontinuous Replication of Replicative Form DNA from Bacteriophage φX174. Proc. Natl. Acad. Sci. USA. 74, 2776-2779 (1977)
Wada A., Tachibana H., Ueno S., Hushimi Y and Machida Y.: Melting Fine Structure of DNA Fragments of Known Sequence from φX174. Nature 269, 352-353 (1977)
Machida Y., Machida C., Ohtsubo H. and Ohtsubo E.: Fractors Determining Recombination Frequency Mediated by an Insertion Sequence IS1. Proc. Natl. Acad. Sci. USA 79, 277-281 (1982)
Machida Y., Machida C. and Ohtsubo E.: A novel type of transposon generated by insertion element IS102 present in a pSC101 derivative. Cell 30, 29-36 (1982)
Machida C., Machida Y., Wang H.-C. R., Ishizaki K. and Ohtsubo E.: Repression of cointegration ability of insetion element IS1 by transcriptional readthrough from flanking regions. Cell 34, 135-142 (1983)
Machida Y., Sakurai M., Kiyokawa S., Ubasawa A., Suzuki Y. and Ikeda J.-E: Nucleotide sequence of the IS element found in the T-DNA region of mutant Ti plasmid pTiA66 and distribution of its homologues in octopine Ti plasmid. Proc. Natl. Acad. Sci. USA 81, 7495-7499 (1984)
Machida Y., Machida C. and Ohtsubo E.: The insertion element IS1 encodes two structural genes responsible for its transposition. J. Mol. Biol. 177, 229-245 (1984)
Machida C., Machida Y. and Ohtsubo E.: Both inverted repeat sequences of the insertion element IS1 provide promorter function for RNA polymerase. J. Mol. Biol. 177, 247-265 (1984)
Machida C. and Machida Y.: Base substitutions in transposable element IS1 cause DNA duplication of variable length at the target site for plasmid cointegration. EMBO J. 6, 1799-1803 (1987)
Usami S., Takebe I. and Machida Y.: Novel factor inducing Agrobacterium tumefaciens vir gene expression is present in monocotyledonous plants. Proc. Natl. Acad. Sci. USA 85, 3748-3752 (1988)
Machida C. and Machida Y.: Regulation of IS1 transposition by the insA gene product. J. Mol. Biol. 208, 567-574 (1989)
Shimoda N., Toyoda-Yamamoto A., Nagamine J., Usami S., Katayama M., Sakagami Y. and Machida Y.: Control of expression of Agrobacterium vir genes by synergistic actions of phenolic signal molecules and monosaccharides. Proc. Natl. Acad. Sci. USA 87, 6684-6688 (1990)
Onouchi H., Yokoi K., Machida C., Matsuzaki H., Ohshima Y., Matsuoka K., Nakamura K. and Machida Y.: Operation of an efficient site-specific recombination system of Zygosaccharomyces rouxii in tobacco cells. Nucleic Acids Research 19, 6373-6378 (1991)
Shimoda N., Toyoda-Yamamoto A., Aoki S. and Machida Y.: Genetic Evidence for an Interaction between the VirA Sensor Protein and the ChvE Sugar-binding protein of Agrobacterium. J. Biol. Chem. 268, 26552-26558 (1993)
Yoshioka Y., Matsumoto S., Kojima S., Ohshima K., Okada N. and Machida Y.: Molecular characterization of a short interspersed repetitive element (SINE) from tobacco that exhibits sequence homology to specific tRNAs. Proc. Natl. Acad. Sci. USA 90, 6562-6566 (1993)
Banno H., Hirano K., Nakamura T., Irie K., Nomoto S., Matsumoto K. and Machida Y.: NPK1, a tobacco gene that encodes a protein with a domain homologous to yeast BCK1, STE11 and Byr2 protein kinases. Mol. Cell Biol. 13, 4745-4752 (1993)
Muranaka T., Banno H. and Machida Y.: Characterization of Tobacco Protein Kinase NPK5, a Homolog of Saccharomyces cerevisiae SNF1 That Constitutively Activates Expression of the Glucose-Repressible SUC2 Gene for a Secreted Invertase of S. cerevisiae. Mol. Cell Biol. 14, 2958-2965 (1994)
Usami, S., Banno, H., Ito, Y., Nishihama, R. and Machida, Y.: Cutting activates a 46-kilodalton protein kinase in plants. Proc. Natl. Acad. Sci. USA 92, 8660-8664 (1995)
Ohba, T., Yoshioka, Y., Machida, C. and Machida, Y.: DNA rearrangement associated with the integration of T-DNA in tobacco: an example for multiple duplications of DNA around the integration target. Plant J. 7, 157-164 (1995)
Nishihama, R. Banno, H., Kawahara, E., Irie, K., and Machida, Y. : Possible involvement of differential splicing in the regulation of the activity of Arabidopsis ANP1 that is related to mitogen-activated protein kinase kinase kinases (MAPKKKs). Plant J. 12, 39-48 (1997)
Machida, C., Onouchi, H., Koizumi, J., Hamada, S., Semiarti, E., Torikai, S. and Machida, Y.: Characterization of the transposition pattern of the Ac element in Arabidopsis thaliana using endonuclease I-SceI. Proc. Natl. Acad. Sci. USA 94, 8675-8680 (1997)
Hamada, S., Onouchi, H., Tanaka, H., Kudo, M., Liu, Y.-G., Shibata, D., Machida, C., and Machida, Y.: Mutations in the WUSCHEL gene of Arabidopsis thaliana result in the development of shoot without juvenile leaves. Plant J. 24, 91-103 (2000)
Nishihama, R., Ishikawa, M., Araki, S., Soyano, T., Asada, T., and Machida,Y.: The NPK1 mitogen-activated kinase kinase kinase is a regulator of cell-plate formation in plant cytokinesis. Genes Dev. 15, 352-363 (2001)
Semiarti, E., Ueno, Y., Tsukaya, H., Iwakawa, H., Machida, C., and Machida, Y.: The ASYMMETRIC LEAVES2 gene of Arabidopsis thaliana regulates formation of a symmetric lamina, establishment of venation and repression of meristem-related homeobox genes in leaves. Development 128, 1771-1783 (2001)
Tanaka, H., Onouchi, H., Kondo, M., Hara-Nishimura, I., Nishimura, M., Machida, C., and Machida, Y.: A subtilisin-like serine protease is required for epidermal surface formation in Arabidopsis embryos and juvenile plants. Development 128, 4681-4689 (2001)
Nishihama, R., Soyano, T., Ishikawa, M., Araki, S., Tanaka, H., Asada, T., Irie, K., Ito, M., Terada, M., Banno, H., Yamazaki, Y., and Machida, Y.: Expansion of the Cell Plate in Plant Cytokinesis Requires a Kinesin-Like Protein/MAPKKK Complex. Cell 109, 87-99 (2002). Cover
Kitakura, S., Fujita, T., Ueno, Y., Terakura, S., Wabiko, H., and Machida, Y.: The protein encoded by oncogene 6b from Agrobacterium tumefaciens interacts with a nuclear protein of tobacco. Plant Cell 14, 451-463 (2002)
Tanaka, H., Watanabe, M., Watanabe, D., Tanaka, T., Machida, C., and Machida, Y.: ACR4, a putative receptor kinase gene of Arabidopsis thaliana that is expressed in the outer cell layers of embryos and plants, is involved in proper embryogenesis. Plant Cell Physiol. 43, 419-428 (2002)
Iwakawa, H., Ueno, Y., Semiarti, E., Onouchi, H., Kojima, S., Tsukaya, H., Hasebe, M., Soma, T., Ikezaki, M., Machida, C., and Machida, Y.: The ASYMMETRIC LEAVES2 gene of Arabidopsis thaliana, required for formation of a symmetric flat leaf lamina, encodes a member of a novel family of proteins characterized by cysteine repeats and a leucine zipper. Plant Cell Physiol. 43, 467-478 (2002). Cover
Soyano, T., Nishihama, R., Morikiyo, K., Ishikawa, M., and Machida, Y.: NQK1/NtMEK1 is a MAPKK that acts in the NPK1 MAPKKK-mediated MAPK cascade and is required for plant cytokinesis. Genes Dev. 17, 1055-1067 (2003)
Tanaka, T., Tanaka, H., Machida, C., Watanabe, M., and Machida, Y.: A new method for rapid visualization of defects in leaf cuticle reveals five intrinsic patterns of surface defects in Arabidopsis. Plant J. 37, 139-146 (2004)
Tanaka, H., Ishikawa, M., Kitamura, S., Takahashi, Y., Soyano, T., Machida, C., and Machida, Y.: The AtNACK1/HINKEL and STUD/TETRASPORE/AtNACK2 genes, which encode functionally redundant kinesins, are essential for cytokinesis in Araidopsis. Genes Cells 9, 1199-1211 (2004)
Araki, S., Ito, M., Soyano, T., Nishihama, R., and Machida, Y.: Mitotic cyclins stimulate the activity of c-Myb-like factors for transactivation of G2/M phase-specific genes of tobacco. J. Biol. Chem. 279, 32979 - 32988 (2004)
Sasabe, M., Soyano, T., Takahashi, Y., Sonobe, S., Igarashi, H., Itoh, TJ., Hidaka, M., and Machida, Y.: Phosphorylation of NtMAP65-1 by a MAP kinase down-regulates its activity of microtubule bundling and stimulates progression of cytokinesis of tobacco cells. Genes Dev. 20, 1004-1014 (2006)
Terakura, S., Kitakura, S., Ishikawa, M., Ueno, Y., Fujita, T., Machida, C., Wabiko, H., and Machida, Y.: Oncogene 6b from Agrobacterium tumefaciens induces abaxial cell division at late stages of leaf development and modifies vascular development in petioles. Plant & Cell Physiol. 47, 664-672 (2006)
Tanaka, H., Watanabe, M., Sasabe, M., Hiroe, T., Tanaka, T., Tsukaya, T., Ikezaki, M., Machida, C., and Machida, Y.: Novel receptor-like kinase ALE2 controls shoot development by specifying epidermis in Arabidopsis. Development 134, 1643-1652 (2007)
Iwakawa, H., Iwasaki, M., Kojima, S., Ueno, Y., Soma, T., Tanaka, H., Semiarti, E., Machida, Y. and Machida, C.: Expression of the ASYMMETRIC LEAVES2 gene in the adaxial domain of Arabidopsis leaves represses cell proliferation in this domain and is critical for the development of properly expanded leaves. Plant J. 51, 173-184 (2007)
Ueno, Y., Ishikawa, T., Watanabe, K., Terakura, S., Iwakawa, H., Okada, K., Machida, C. and Machida, Y.: Histone deacetylases and ASYMMETRIC LEAVES2 are involved in the establishment of polarity in leaves of Arabidopsis. Plant Cell 19(2), 445-457 (2007)
Terakura, S., Ueno, Y., Tagami, H., Kitakura, S., Machida, C., Wabiko, H., Aiba, H., Otten, L., Tsukagoshi, H., Nakamura, K., and Machida, Y.: An oncoprotein from the plant pathogen Agrobacterium has histone-chaperone-like activity. Plant Cell 19, 2855-2865 (2007)
Ishikawa, T., Machida, C., Yoshioka, Y., Ueda, T., Nakano, A., and Machida, Y.: The EMBRYO YELLOW gene, encoding a subunit of the conserved oligomeric Golgi complex, is required for appropriate cell expansion and meristem organization in Arabidopsis thaliana. Genes to Cells 13, 521-535 (2008)
Kitakura, S., Terakura, S., Yoshioka, Y., Machida, C. and Machida, Y.: Interaction between Agrobacterium oncoprotein 6b and a tobacco nucleolar protein that is homologous to TNP1 encoded by a transposable element of Antirrhinum majus. J. Plant Research 121, 425-433 (2008)
Matsumura, Y., Iwakawa, H., Machida, Y. and Machida, C.: Characterization of genes in the ASYMMETRIC LEAVES2/LATERAL ORGAN BOUNDARIES (AS2/LOB) family in Arabidopsis thaliana and functional and molecular comparisons between AS2 and other family members. Plant J. 58, 525-537 (2009) doi:10.1111/j.1365-313X.2009.03797.x.
Ikezaki, M., Kojima^, M., Sakakibara, H., Kojima^, S., Ueno, Y., Machida, C., and Machida, Y.: Genetic networks regulated by ASYMMETRIC LEAVES1 (AS1) and AS2 in leaf development in Arabidopsis: KNOX genes control five morphological events. Plant J. 61, 70-82 (2010) doi:10.1111/j.1365-313X.2009.04033.x.
Kosetsu, K., Matsunaga, S., Nakagam, H., Colcombet, J., Sasabe, M., Soyano, T., Takahashi, T., Hirt, H., and Machida, Y.: The MAP kinase MPK4 is required for cytokinesis in Arabidopsis thaliana. Plant Cell 23, 3778-3790 (Nov. 23 on line) (2010)
Takahashi, Y., Soyano^, T., Kosetsu^, K., Sasabe, M. and Machida, Y.: HINKEL kinesin, ANP MAPKKKs and MKK6/ANQ MAPKK, which phosphorylates and activates MPK4 MAPK, constitute a pathway that is required for cytokinesis in Arabidopsis thaliana. Plant Cell Physiol. 51, 1766-1776 (2010), Cover.
Sasabe, M., Boudolf, V., De Veylder, L., Inzé, D., Genschik, P, and Machida, Y.: Phosphorylation of a mitotic kinesin-like protein and a MAPKKK by cyclin-dependent kinases (CDKs) is involved in the transition to cytokinesis in plants. Proc. Natl. Acad. Sci. USA 108 (43), 17844-17849 (2011) [Oct 17, Epub]
Ishibashi, N., Kanamaru, K., Ueno, Y., Kojima, S., Tetsuo Kobayashi, T., Machida, C., and Machida, Y.: ASYMMETRIC-LEAVES2 and an ortholog of eukaryotic NudC domain proteins repress expression of AUXIN-RESPONSE-FACTOR and class 1 KNOX homeobox genes for development of flat symmetric leaves in Arabidopsis. Biol. Open, 1 (3), 197-207 (2012)
Luo, L., Ando, S., Sasabe, M., Machida, C., Kurihara, D., Higashiyama, T., Machida, Y.: Arabidopsis ASYMMETRIC LEAVES2 protein required for leaf morphogenesis consistently forms speckles during mitosis of tobacco BY-2 cells via signals in its specific sequence. J. Plant Res. 125, 661-668 (2012)
Nakagawa, A., Takahashi, H., Kojima, S., Sato, N., Ohga, K., Cha, B. Y., Woo, J.-T., Nagai, K., Horiguchi, G., Tsukaya, H., Machida, Y. and Machida, C.: Berberine enhances defects in the establishment of leaf polarity in asymmetric leaves1 and asymmetric leaves2 of Arabidopsis thaliana. Plant Mol. Biol. 79, 569-581 (2012)
Takahashi, H., Iwakawa, H., Ishibashi, N., Kojima, S., Matsumura, Y., Prananingrum, P., Iwasaki, M., Takahashi, A., Ikezaki, M., Luo, L., Kobayashi, T., *Machida,^, Y., and *Machida, C.: Meta-analyses of microarrays of Arabidopsis asymmetric leaves1 (as1), as2 and their modifying mutants reveal a critical role of the ETT pathway in stabilization of adaxial-abaxial patterning and cell division during leaf development. Plant Cell Physiol. 54, 418-431 (2013). doi:10.1093/pcp/pct027. (*equally contributed)
Iwasaki M., Takahashi, H., Iwakawa, H., Nakagawa, A., Ishikawa, T., Tanaka, H., Matsumura, Y., Pekker, I., Eshed, Y., Vial-Pradel, S., Ito, T., Watanabe, Y., Ueno, Y., Fukazawa, H., Kojima, S., Machida,, Y., and Machida, C.: Dual regulation of ETTIN (ARF3) gene expression by AS1-AS2, which maintains the DNA methylation level, is involved in stabilization of leaf adaxial-abaxial partitioning in Arabidopsis. Development 140, 1958-1969 (2013) (selected as "IN THIS ISSUE") doi:10.1242/dev.085365
Ishibashi, N., Machida, C., Machida, Y.: ASYMMETRIC LEAVES2 and FASCIATA2 cooperatively regulate the formation of leaf adaxial-abaxial polarity in Arabidopsis thaliana. Plant Biotechnology 30, 411-415 (2013)
Sasabe M, Ishibashi N, Haruta T, Minami A, Kurihara D, Higashiyama T, Nishihama R, Ito M and Machida Y.: The carboxyl-terminal tail of the stalk of Arabidopsis NACK1/HINKEL kinesin is required for its localization to the cell plate formation site. J. Plant Res. 128(2):327-36 (2015) doi:10.1007/s10265-014-0687-2
Suzuki, T., Matsushima, C., Nishimura, S., Higashiyama, T., Sasabe, M. Machida, Y.: Identification of Phosphoinositide-binding Protein PATELLIN2 as a Substrate of Arabidopsis MPK4 MAP Kinase during Septum Formation in Cytokinesis. Plant Cell Physiol 57(8):1744-55 (2016) doi:10.1093/pcp/pcw098.
Matsumura, Y., Ohbayashi, I., Takahash, H., Kojima, S., Ishibashi, N., Keta, S, Nakagawa, A., Hayashi, R., Saéz-Vásquez, J., Echeverria, M., Sugiyama, M., Nakamura,K., Machida, C. and Machida, Y.: A genetic link between epigenetic repressor AS1-AS2 and a putative small subunit processome in leaf polarity establishment of Arabidopsis. Biol. Open 5(7):942-954 (2016) doi:10.1242/bio.019109.
Luong, Q-T., Keta, S., Toshiharu Asai, T., Kojima, S., Nakagawa, A., Xia, S., José Luis Micol, J.L., Machida, Y., and Machida, C.: A genetic link between epigenetic repressor AS1-AS2 and DNA replication factors in establishment of adaxial-abaxial polarity of Arabidopsis. Plant Biotechnology 35: 39-49 (2018). doi:10.5511/plantbiotechnology.18.0129b.
Vial-Pradel, S., Keta, S., Nomoto, M., Takahashi, H., Suzuki, M., Yokoyama, Y., Sasabe, M., Kojima, S., Tada, Y., *Machida, Y., and *Machida, C.: Arabidopsis zinc-finger-like protein ASYMMETRIC LEAVES2 (AS2) and two nucleolar proteins maintain gene body DNA methylation in the leaf polarity gene ETTIN (ARF3). Plant Cell Physiol. 59(7): 1385–1397 (2018) https://doi.org/10.1093/pcp/pcy031.
Luo, L., Ando, S., Sakamoto, Y., Suzuki, T., Takahashi, H., Ishibashi, N., Kojima, S., Kurihara, D., Higashiyama, T., Yamamoto, K.-T., Matsunaga, S., Machida, C., Sasabe, M., and Machida, Y. The formation of perinucleolar bodies is important for normal leaf development and requires the zinc-finger DNA-binding motif in Arabidopsis ASYMMETRIC LEAVES2. Plant J. 101, 1118-1134 (2020) doi: 10.1111/tpj.14579. Cover

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町田泰則

主要論文

受賞歴・研究代表者歴など

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