Updated on 2025/11/01
Ph.D. （ 2017.3 Hiroshima University ）
Plant, Flowering, Photoperiodism, Salinity, Nitrogen metabolism
Life Science / Plants: molecular biology and physiology / Seasonal sensing, Plant, Arabidopsis, Flowering, Photoperiodism, Omics, Salinity, Nitrogen metabolism
Plant flowering regulation
Nagoya University 高等研究院 Designated Assistant Professor YLC特任助教
2025.4
Nagoya University 理学研究科 Researcher 博士研究員
2025.1 - 2025.3
Nagoya University 遺伝子実験施設 Researcher 博士研究員
2021.9 - 2024.12
University of Washington Department of Biology Researcher Postdoctoral Scholar
2020.1 - 2021.8
Country：United States
Washington State University School of Biological Sciences Researcher Postdoctoral Research Associate
2019.7 - 2020.1
Country：United States
University of Minnesota Department of Plant and Microbial Biology Researcher Postdoctoral Research Associate
2017.3 - 2019.6
Country：United States
Hiroshima University Graduate School of Science
2012.4 - 2017.3
Tottori University Faculty of Agriculture
2008.4 - 2012.3
日本植物生理学会
日本植物学会
International Society for Plant Low Oxygen Research
平成28年度エクセレントスチューデントスカラシップ（成績優秀学生奨学制度）
2016.8 広島大学
Best Team Presentation Award
2016.3 8th Hope Meeting with Nobel Laureates
平成25年度エクセレントスチューデントスカラシップ（成績優秀学生奨学制度）
2013.12 広島大学
Protocol for immunofluorescence imaging of epitope-tagged protein in Arabidopsis shoot apical meristem Reviewed International coauthorship Open Access
Hiroshi Takagi, Naoyuki Uchida, Takato Imaizumi
STAR Protocols Vol. 6 ( 4 ) page： 104112 2025
Florigen-producing cells express FPF1-LIKE PROTEIN 1 to accelerate flowering and stem growth in Arabidopsis Reviewed International coauthorship Open Access
Hiroshi Takagi, Nayoung Lee, Andrew K. Hempton, Savita Purushwani, Michitaka Notaguchi, Kota Yamauchi, Kazumasa Shirai, Yaichi Kawakatsu, Susumu Uehara, William G. Albers, Benjamin L.R. Downing, Shogo Ito, Takamasa Suzuki, Takakazu Matsuura, Izumi C. Mori, Nobutaka Mitsuda, Daisuke Kurihara, Tomonao Matsushita, Young Hun Song, Yoshikatsu Sato, Mika Nomoto, Naoyuki Uchida, Yasuomi Tada, Kousuke Hanada, Josh T. Cuperus, Christine Queitsch, Takato Imaizumi
Developmental Cell Vol. 60 ( 13 ) page： 1822 - 1837 2025
Hiroshi Takagi, Satoshi Yamada
Soil Science and Plant Nutrition Vol. 71 ( 4 ) page： 424 - 432 2025
Companion cells with high florigen production express other small proteins and reveal a nitrogen-sensitive FT repressor Reviewed Open Access
Hiroshi Takagi, Shogo Ito, Jae Sung Shim, Akane Kubota, Andrew K Hempton, Nayoung Lee, Takamasa Suzuki, Jared S Wong, Chansie Yang, Christine T Nolan, Kerry L Bubb, Cristina M Alexandre, Daisuke Kurihara, Yoshikatsu Sato, Yasuomi Tada, Takatoshi Kiba, Jose L Pruneda-Paz, Christine Quietsch, Josh T Cuperus, Takato Imaizumi
eLife Vol. 14 page： RP102529 2025
The FLOWERING LOCUS T gene expression is controlled by high‐irradiance response and external coincidence mechanism in long days in Arabidopsis Reviewed International coauthorship Open Access
Nayoung Lee, Yusuke Ozaki, Andrew K. Hempton, Hiroshi Takagi, Savita Purusuwashi, Young Hun Song, Motomu Endo, Akane Kubota, Takato Imaizumi
New Phytologist Vol. 239 ( 1 ) page： 208 - 221 2023
Photoperiodic flowering in Arabidopsis: Multilayered regulatory mechanisms of CONSTANS and the florigen FLOWERING LOCUS T Invited Reviewed International coauthorship Open Access
Hiroshi Takagi, Andrew K. Hempton, Takato Imaizumi
Plant Communications Vol. 4 ( 3 ) page： 100552 2023
Disruption of ureide degradation affects plant growth and development during and after transition from vegetative to reproductive stages Reviewed Open Access
Hiroshi Takagi, Shunsuke Watanabe, Shoma Tanaka, Takakazu Matsuura, Izumi C. Mori, Takashi Hirayama, Hiroshi Shimada, Atsushi Sakamoto
BMC Plant Biology Vol. 18 ( 1 ) page： 287 2018
Allantoin, a stress-related purine metabolite, can activate jasmonate signaling in a MYC2-regulated and abscisic acid-dependent manner Reviewed Open Access
Hiroshi Takagi, Yasuhiro Ishiga, Shunsuke Watanabe, Tomokazu Konishi, Mayumi Egusa, Nobuhiro Akiyoshi, Takakazu Matsuura, Izumi C. Mori, Takashi Hirayama, Hironori Kaminaka, Hiroshi Shimada, Atsushi Sakamoto
Journal of Experimental Botany Vol. 67 ( 8 ) page： 2519 - 2532 2016
In vitro and in vivo evidence for oxalate oxidase activity of a germin-like protein from azalea Invited Reviewed
Sakamoto, A., Nishimura, T., Miyaki, Y.I., Watanabe, S., Takagi, H., Izumi, S., and Shimada, H.
Biochemical and Biophysical Research Communications Vol. 458 ( 3 ) page： 536 - 542 2015
The purine metabolite allantoin enhances abiotic stress tolerance through synergistic activation of abscisic acid metabolism Reviewed Open Access
Shunsuke Watanabe, Mayumi Matsumoto, Yuki Hakomori, Hiroshi Takagi, Hiroshi Shimada, Atsushi Sakamoto
Plant, Cell & Environment Vol. 37 ( 4 ) page： 1022 - 1036 2014
Hiroshi Takagi, Satoshi Yamada
Soil Science and Plant Nutrition Vol. 59 ( 4 ) page： 603 - 611 2013
gSELEX-seq2 for in vitro transcription factor binding assay: A case study using Marchantia DEC1/PINE1 International conference
Hiroshi Takagi, Sayaka Takehara, Miya Mizutani, Takaaki Kojima, Motoyuki Ashikari
ISPLORE 2025 2025.9.24 International Society for Plant Low Oxygen Research
Single-cell level characterization of florigen-expressing leaf companion cells: multiple systemic signals and the connection with nitrogen status International coauthorship International conference
Hiroshi Takagi, Takato Imaizumi
Plant Vascular Biology 2025 2025.7.9 Plant Vascular Biology 2025
The high resolution characterization of florigen-producing cells: total coordination of reproductive transition International coauthorship International conference
Hiroshi Takagi, Takato Imaizumi
Plant Reproductive Development and Genomics 2025.5.19 CSH Asia
FLP1 expressed in FT-producing companion cells coordinates flowering and stem growth of Arabidopsis International coauthorship International conference
Hiroshi Takagi, Nayoung Lee, Takato Imaizumi
The 27th International Congress on Sexual Plant Reproduction 2024.7.7 International Association for Sexual Plant Reproduction Research
システミックな生殖成長シグナル分子FLP1の分子機能の解析
Grant number：24K18139 2024.4 - 2027.3
若手研究
Authorship：Principal investigator Grant type：Competitive
Grant number：14J05367 2014.4 - 2017.3
特別研究員奨励費 (DC1)
Authorship：Principal investigator Grant type：Competitive
Grant amount：\3200000 （ Direct Cost: \3200000 ）
Grant number：24K18139 2024.4 - 2027.3
日本学術振興会 若手研究
Authorship：Principal investigator Grant type：Competitive
Grant amount：\4680000 （ Direct Cost: \3600000 、 Indirect Cost：\1080000 ）
Grant number：14J05367 2014.4 - 2017.3
日本学術振興会 特別研究員奨励費 (DC1)
Authorship：Principal investigator Grant type：Competitive
Grant amount：\3200000 （ Direct Cost: \3200000 ）
生活の中の科学
2025.6 - 2025.7 （Nagoya Keizai University）
Level：Undergraduate (liberal arts)
UW Genome Sciences Summer Research Program
2021.6 - 2021.8 （University of Washington）
Level：Other Country：United States
Focus Scientist for the Biology Saves the World (BSW) Project
2019.2 （University of Minnesota）
Level：Undergraduate (liberal arts) Country：United States
Undergraduate Research Project
2017.4 - 2018.4 （University of Minnesota）
Level：Other Country：United States
数理分子生命理学セミナー
2016.11 （Hiroshima University）
Level：Graduate (liberal arts)
令和7年度 SSH（スーパーサイエンスハイスクール）課題研究交流会
Role(s)：Advisor
令和7年度 SSH（スーパーサイエンスハイスクール）課題研究交流会 2025.8
季節を知るのは、葉の仕事
Role(s)：Appearance, Informant, Contribution
名古屋大学学術研究・産学官連携推進本部 名古屋大学 研究フロントライン 2025.6
花咲かじいさんになりたい〜分子生物学的メカニズムを通して〜
Role(s)：Appearance, Panelist
名大発アカデミックフラッシュ 2023.11
５年間の歩みを振り返ってみて
Role(s)：Contribution
広島大学理学部・理学研究科 理学研究科理学部通信（231） 2017.3
Advanced Science International contribution
Role(s)：Peer review
2025
Plant Communications International contribution
Role(s)：Peer review
2025
BMC Genomics International contribution
Role(s)：Peer review
2025
New Phytologists International contribution
Role(s)：Peer review
2025
日本植物学会 第88回大会
Role(s)：Panel moderator, session chair, etc.
日本植物学会 2024.9
第65 回日本植物生理学会年会
Role(s)：Panel moderator, session chair, etc.
日本植物生理学会 2024.3
Undergraduate Research Scholarships
Role(s)：Review, evaluation, Peer review
University of Minnesota 2019
