Hirotsu Naoki

J-GLOBAL         Last updated: Jan 9, 2020 at 18:29
Hirotsu Naoki
Toyo University
Faculty of Life Sciences, Department of Life Sciences
Job title
Associate Professor
Research funding number

Research Areas


Academic & Professional Experience

Oct 2019
Adjunct Professor, National Institute of Fundamental Studies, Sri Lanka,
Apr 2018
Professor, Faculty of Life Sciences, Toyo University
Apr 2016
Mar 2019
Adjunct Associate Professor, Centre for Crop Health,, University of Southern Queensland,
Apr 2015
Mar 2016
Visiting Academic, Center for Crop Health,, University of Southern Queensland,
- Toyo University, Associate Professor


Graduate School, Division of Agriculture, Tohoku University
Faculty of Agriculture, Tohoku University

Published Papers

Perera I, Fukushima A, Akabane T, Horiguchi G, Seneweera S, Hirotsu N
Scientific Reports   9(1) 14866   Dec 2019   [Refereed]
Ujiie K, Ishimaru K, Hirotsu N, Nagasaka S, Miyakoshi Y, Ota M, Tokida T, Sakai H, Usui Y, Ono K, Kobayashi K, Nakano H, Yoshinaga S, Kashiwagi T, Magoshi J
PLOS ONE   14(3) e0212840   Mar 2019   [Refereed]
Genki Horiguchi, Kyosuke Nemoto, Tomomi Yokoyama, Naoki Hirotsu
AoB PLANTS   11(2)    Feb 2019   [Refereed]
Hygrophila difformis, a heterophyllous amphibious plant, develops serrated or dissected leaves when grown in terrestrial or submerged conditions, respectively. In this study, we tested whether submerged leaves and ethylene-induced leaves of the he...
Ishara Perera, Ayaka Fukushima, Mako Arai, Kenta Yamada, Seiji Nagasaka, Saman Seneweera, Naoki Hirotsu
Journal of Cereal Science   85 206-213   Jan 2019   [Refereed]
Gamage D, Thompson M, Sutherland M, Hirotsu N, Makino A, Seneweera S
Plant, Cell & Environment   41(6) 1233-1246   Apr 2018   [Refereed]
Perera I, Seneweera S, Hirotsu N
Rice   11(1) 4   Jan 2018   [Refereed]
Hirotsu N, Ujiie K, Perera I, Iri A, Kashiwagi T, Ishimaru K
Scientific Reports   7(1) 15958   Nov 2017   [Refereed]
Michael Thompson, Dananjali Gamage, Naoki Hirotsu, Anke Martin, Saman Seneweera
Frontiers in Physiology   8    Aug 2017   [Refereed]
Pramesha Madurangi S. Arachchige, Ching-Seng Ang, Marc E. Nicolas, Joe Panozzo, Glenn Fitzgerald, Naoki Hirotsu, Saman Seneweera
Journal of Cereal Science   75 151   May 2017   [Refereed]
Nimesha Fernando, Naoki Hirotsu, Joe Panozzo, Michael Tausz, Robert M. Norton, Saman Seneweera
Journal of Cereal Science      Jan 2017   [Refereed]


Kashiwagi T, Togawa E, Hirotsu N and Ishimaru K.
Theoretical Applied Genetics   117(5) 749-757   2008
Madoka Y, Kashiwagi T, Hirotsu N and Ishimaru K.
Theoretical Applied Genetics   116(5) 603-612   2008
Ishimaru K, Hirotsu N, Kashiwagi T, Madoka Y, Nagasuga K, Ono K and Ohsugi R.
Plant Production Science   11(1) 104-107   2008
Ishimaru K, Hirotsu N, Madoka Y and Kashiwagi T
Plant Physiology and Biochemistry   45(10-11) 799-804   2007

Books etc

Food Security and Climate Change
Saman Seneweera, Kiruba Shankari Arun-Chinnappa and Naoki Hirotsu (Part:Contributor, Chapter 06: Scope, Options and Approaches to Climate Change)
Wiley-Blackwell   Jan 2019   ISBN:978-1-119-18064-7

Conference Activities & Talks

The Effect of IAA Inhibitor on Starch Accumulation in Rice Leaves
Kawawa S, Ishimaru K, Hirotsu N
5th International Rice Congress   Oct 2018   
Effect of loss of TGW6 on starch translocation and grain filling
Noguchi M, Shimizu J, Sugisaki F, Ishimaru K, Hirotsu N
5th International Rice Congress   Oct 2018   
Underwater photosynthesis of amphibious plant leaves developed in terrestrial and submerged conditions.
Genki Horiguchi and Naoki Hirotsu
Plant Biology 2018   Jul 2018   
Noguchi Masahiro, Shimizu Junpei, Sugisaki Fumiya, Ishimaru Ken, Hirotsu Naoki
Abstracts of Meeting of the CSSJ   2018   

Research Grants & Projects

Ceylon Cinnamon Value Chain Development: Making global market space for value chain actors
National Science Foundation of Sri Lanka: Cinnamon Research for Innovation
Project Year: 2017 - 2019    Investigator(s): D.A.M. De Silva
Genetic Improvement of Koshihikari by Molecular Breeding
Promotion of Basic Research Activities for Innovative Biosciences
Project Year: 2005   
Photoinhibition and Photoprotective Mechanisms in Rice Leaves under Conditions of Physiologically Low Temperature
The Other Research Programs
Project Year: 1999 - 2004