5. Haruki Sunagawa, Ph.D.
Okinawa Churashima Foundation RESEARCH INSTITUTE

Research on subtropical plants

Haruki Sunagawa, Ph.D.

砂川 春樹

Haruki Sunagawa, Ph.D.

(Chief, Botanical Laboratory)

Area of
expertise		 Tropical Horticultural Science, Crop Physiology
Research
content		 Development of high-quality and high-yield production techniques for traditional vegetable and traditional craft crop in Ryukyu archipelago.
Collection of genetic resource, elucidation of physiological and ecological characteristics and selection of superior lines of low-utilized and uneconomically cultivated indigenous crop in Ryukyu archipelago.
Development of economical cultivation techniques for profitable tropical horticultural crops in Ryukyu archipelago.

Background

  • 2020 - Current post at the Okinawa Churashima Research Institute
  • 2019 - Corporative researcher (concurrent post), Faculty of Agriculture, University of the Ryukyus
  • 2018 - Instructor for Agriculture, Nakagusuku Village Office, Okinawa
  • 2015 – Non regular Staff, Global Brains Co., Ltd., Fukuoka Engaged in research activity at Okinawa Prefectural Agricultural Research Center
  • 2013 - Non regular Staff, Ryukyu Sankei Co., Ltd., Okinawa Engaged in research activity at Okinawa Prefectural Agricultural Research Center
  • 2012 – Field Staff, Okinawa Churashima Foundation
  • 2010 (Dec) - Technical Staff, Center of Molecular Bioscience, Tropical Biosphere Research Center, University of the Ryukyus
  • 2010 (Apr-Nov)-Corporative researcher, Faculty of Agriculture, University of the Ryukyus
  • 2010 - Ph.D. in Agricultural Sciences, Kagoshima University, Japan
    Full filled Doctoral course of The United Graduated School of Agricultural Sciences Kagoshima University, Japan (Assigned to Saga University)

Research papers, Essays, Reports

  • Ayaka Irei, Kazuhiko Tarora, Haruki Sunagawa, Daisaku Yamashita, Tsubasa Heshiki and Naoya Urasaki. 2024. Genotyping of the Y2 Locus in the Yellow-Root Carrot, Shima-ninjin (Daucus carota subsp. sativus). Tropical Agriculture and Development. 68(3): 49-54.
  • Sakae Agarie, Makiko Umemoto, Haruki Sunagawa, Toyoaki Anai & John C. Cushman. 2020. An Agrobacterium-mediated transformation via organogenesis regeneration of a facultative CAM plant, the common ice plant Mesembryanthemum crystallinum L. Plant Production Science. 23(3): 343-349.
  • Tadashi Takakura, Haruki Sunagawa, Maro Tamaki, Takae Usui, and Naoki Taniai. 2017. In site net photosynthesis measurement of a plant canopy in single-span green house. Journal of Advances in Agriculture. 17(2) : 1015 -1020.
  • Seikoh Saitoh, Hiroaki Aoyama, H., Saori Fujii, Haruki Sunagawa Hideki Nagahama, Masako Akutsu, Naoya Shinzato, Nobuhiro Kaneko and Taizo Nakamori. 2016. A quantitative protocol for DNA metabarcording of springtails (Collembola). Genome. 59(9) : 705-723.
  • Ishmael Mutanda, Seikoh Saitoh, Masashi Inafuku, Hiroaki Aoyam, Tomonori Takamine, T., Kazuhito Satou, Masako Akutsu, Kuniko Teruya, Hinako Tamotsu, Makiko Shimoji, Haruki Sunagawa and Hirosuke Oku. 2016. Gene expression analysis of disabled and re-induced isoprene emission by the tropical tree Ficus septica before and after cold ambient temperature exposure. Tree Physiology. 36(7):873-882.
  • Masako Akutsu, Haruki Sunagawa, Takae Usui, Maro Tamaki, Naoki Taniai, Masaki Hirata, Akira Kaiho, Tadashi Takakura. 2015. Non-destructive, real-time, and automatic measurement of transpiration from a plant canopy stand. Journal of Advances in Agriculture. 5(2) : 677-683.
  • Haruki Sunagawa, John Cushman, Sakae Agarie. 2010. Crassulacean acid metabolism alleviates reactive oxygen species in the facultative CAM plant, the common ice plant, Mesembryanthemum crystallinum L., Plant Production Science. 13(3) : 256-260.
  • Sakae Agarie, Akiko Kawaguchi, Akiko Kodera, Haruki Sunagawa, Hide Kojima, Akihiro Nose, Teruhisa Nakahara. 2008. Potential of the Common Ice Plant, Mesembryanthemum crystallinum as a New High-Functional Food as Evaluated by Polyol Accumulation. Plant Production Science. 12(1) : 37-46.
  • Haruki Sunagawa, Sakae Agarie, Makiko Umemoto, Yuko Makishi, Akihiro Nose. 2007. Effect of Urea-Type Cytokinins on the Adventitious Shoots Regeneration from Cotyledonary Node Explant in the Common Ice Plant, Mesembryanthemum crystallinum. Plant Production Science. 10(1) : 47-56.
  • Sakae Agarie, Toshifumi Shimoda, Yumi Shimizu, Kathleen Baumann, Haruki Sunagawa, Ayumu Kondo, Osamu Ueno, Teruhisa Nakahara, Akihiro Nose, John Cushman. 2007. Salt tolerance, saltaccumulation, and ionic homeostasis in an epidermal bladder-cell-less mutant of the common ice plant Mesembryanthemum crystallinum. Journal of Experimental Botany. 58(8) : 1957-67.
  • Haruki Sunagawa，Sakae Agarie，Yuko Makishi，Makiko Umemoto, Akihiro Nose．2006．Effect of the Phenylurea Cytokinins CPPU and TDZ on the Regeneration and the Growth of Adventitious Shoots of Mesembryanthemum crystallinum. Bulletin of the Faculty of Agriculture, Saga University. 91 : 17–27．91 : 17-27．(in Japanese)
  • Fredah K. Rimberia, Haruki Sunagawa, Naoya Urasaki, Yukio Ishimine, Shinichi Adaniya. 2005. Embryo induction via anther culture in papaya and sex analysis of the derived plantlets. Scientia Horticulturae. 103(2) : 199-208

Inventions

International Patent

  • Name: Method of constructing transgenic ice plant Patent number: 2005330877 (Australia), 8101824 (United States)

Affiliated academic society

  • The Japanese Society for Horticultural Science
  • Japanese Society for Tropical Agriculture
  • Okinawa Agriculture Research Society

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