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RIKEN Center for Sustainable Resource Science Plant Genomic Network Research Team

Team Leader: Motoaki Seki (Ph.D.)

Research Summary

Motoaki  Seki(Ph.D.)

We are analyzing novel epigenetic, RNA and peptide regulation mechanisms in environmental stress adaptation and acclimation by cutting-edge genomic approaches. We aim to develop useful plant resources, such as stress-tolerant plants by use of chemical compounds etc. We are analyzing regulatory networks of tuber root development in cassava by integrated omics analyses and aim to develop useful cassava plants, such as improved plant productivity.

Main Research Fields

  • Biology

Related Research Fields

  • Biological Sciences
  • Agricultural Sciences

Keywords

  • Plant Functional Genomics
  • Environmental Stress Adaptation
  • Cassava
  • Epigenetic Regulation
  • RNA Regulation

Selected Publications

  • 1. To, T.K., Kim, J.M., Matsui, A., Kurihara, Y., Morosawa, T., Ishida, J., Tanaka, M., Endo, T., Kakutani, T., Toyoda, T., Kimura, H., Yokoyama, S., Shinozaki, K. and Seki, M.:
    "Arabidopsis HDA6 regulates locus-directed heterochromatin silencing in cooperation with MET1."
    PLoS Genet. 7, e1002055 (2011).
  • 2. Sako, K., Kim, J.M., Matsui, A., Nakamura, K., Tanaka, M., Kobayashi, M., Saito, K., Nishino, N., Kusano, M., Taji, T., Yoshida, M. and Seki, M.:
    "Ky-2, a histone deacetylase inhibitor, enhances high-salinity stress tolerance in Arabidopsis thaliana."
    Plant Cell Physiol. 57, 776-783 (2016).
  • 3. Kim, J.M., To, K.T., Matsui, A., Tanoi, K., Kobayashi, N.I., Matsuda, F., Habu, Y., Ogawa, D., Sakamoto, T., Matsunaga, S., Bashir, K., Rasheed, S., Ando, M., Takeda, H., Kawaura, K., Kusano, M., Fukushima, A., Endo, A.T., Kuromori, T., Ishida, J., Morosawa, T., Tanaka, M., Torii, C., Takebayashi, Y., Sakakibara, H., Ogihara, Y., Saito, K., Shinozaki, K., Devoto, A. and Seki, M.:
    "Acetate-mediated novel survival strategy against drought in plants."
    Nature Plants 3: 17097 (2017).
  • 4. Nguyen, H.M., Sako, K., Matsui, A., Suzuki, Y., Mostofa, M.G., Ha, C.V., Tanaka, M., Tran, L.S.P., Habu, Y. and Seki, M.:
    "Ethanol enhances high-salinity stress tolerance by detoxifying reactive oxygen species in Arabidopsis thaliana and rice."
    Front. Plant Sci. 8: 1001 (2017).
  • 5. Matsui, A., Iida, K., Tanaka, M., Yamaguchi, K., Mizunashi, K., Kim, J.M., Takahashi, S., Kobayashi, N., Shigenobu, S., Shinozaki, K. and Seki, M.:
    "Novel stress-inducible antisense RNAs of protein-coding loci are synthesized by Arabidopsis RDRs."
    Plant Physiol. 175, 457-472 (2017).
  • 6. Ueda, M., Matsui, A., Tanaka, M., Nakamura, T., Abe, T., Sako, K., Sasaki, T., Kim, J.M., Ito, A., Nishino, N., Shimada, H., Yoshida, M. and Seki, M.:
    "The distinct role of RPD3-like histone deacetylases between class I and II in salinity stress response."
    Plant Physiol. 175, 1760-1773 (2017).
  • 7.Nakaminami, K., Okamoto, M., Higuchi-Takeuchi, M., Yoshizumi, T., Yamaguchi, Y., Fukao, Y., Shimizu, M., Ohashi, C., Tanaka, M., Matsui, M., Shinozaki, K., Seki, M.* and Hanada, K.*.:
    "AtPep3 is a hormone-like peptide that plays a role in salinity stress tolerance of plants."
    Proc. Natl. Acad. Sci. USA 115, 5810-5815 (2018).
  • 8. Rasheed, S.#, Bashir, K. #, Kim, J.M., Ando, M., Tanaka, M. and Seki, M.:
    "The modulation of acetic acid pathway genes in Arabidopsis produces drought-stress tolerant plants."
    Sci Rep, 8, 7831 (2018).
  • 9. Sako, K., Futamura, Y., Shimizu, T., Matsui, A., Hirano, H., Kondoh, Y., Muroi, M., Aono, H., Tanaka, M., Honda, K., Shimizu, K., Kawatani, M., Nakano, T., Osada, H., Noguchi, K. and Seki, M.:
    "Inhibition of mitochondrial complex I by the novel compound FSL0260 enhances high salinity-stress tolerance in Arabidopsis thaliana."
    Sci Rep, 10, 8691 (2020).
  • 10. Utsumi, Y., Tanaka, M., Utsumi, C., Takahashi, S., Matsui, A., Fukushima, A., Kobayashi, M., Sasaki, R., Oikawa, A., Kusano, M., Saito, K., Kojima, M., Sakakibara, H., Sojikul, P., Narangajavana, J. and Seki, M.:
    "Integrative omics approaches revealed a crosstalk among phytohormones during tuberous root development in cassava."
    Plant Mol. Biol. in press (2020).

Recent Research Results

Events

Related Links

Lab Members

Principal investigator

Motoaki Seki
Team Leader

Core members

Akihiro Matsui
Research Scientist
Kentaro Nakaminami
Research Scientist
Yoshinori Utsumi
Research Scientist
Khurram Bashir
Research Scientist
Minoru Ueda
Research Scientist
Hiroki Tokunaga
Postdoctoral Researcher
Kaori Sako
Postdoctoral Researcher
Maho Tanaka
Technical Staff I
Junko Ishida
Technical Staff I
Satoshi Takahashi
Technical Staff I
Chikako Utsumi
Technical Staff II

Careers

Position Deadline
Seeking a Research Scientist or Senior Research Scientist (20Y62) Dec 8, 2020

Contact Information

E818 East Research Building 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama City, Kanagawa, 230-0045, Japan
Tel: +81-(0)45-503-9587, 045-503-9622(PHS)
Fax: +81-(0)45-503-9584

Email: motoaki.seki [at] riken.jp

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