Ryozo Imai

J-GLOBAL         Last updated: Oct 5, 2019 at 07:47
Ryozo Imai
National Agriculture and Food Research Organization
Division of Applied Genetics
Job title
Senior Principal Resarcher
PhD(Univ. Tokyo)
Other affiliation
Tokyo University of Science
Research funding number

Research Areas


Academic & Professional Experience

Apr 2018
Adjunct Professot, Applied Biological Sciences, Tokyo University of Science
Apr 2016
Senior Principal Researcher, Division of Applied Genetics, Institute of Agrobiological Sciences
Apr 2011
Mar 2016
Chief Researcher and Project Leader, Crop Breeding Research Division, Hokkaido Agricultural Research Center, NARO


Apr 1987
Mar 1990
Agricultural Chemistry, Graduate Schoold of Agriculture, University of Tokyo
Apr 1985
Mar 1987
Life Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
Apr 1982
Mar 1985
Applied Chemistry, School of Science and Engineering, Waseda University

Awards & Honors

Aug 2006
Encouraging Award, Japan Society of Bioscience, Biotechnology, and Agochemistry, Hokkaido Branch

Published Papers

Tezuka D, Kawamata A, Kato H, Saburi W, Mori H, Imai R
Plant physiology and biochemistry : PPB   135 263-271   Feb 2019   [Refereed]
Haruyasu Hamada , Yuelin Liu , Yozo Nagira , Ryuji Miki , Naoaki Taoka、Ryozo Imai
Scientific Reports   8(1) 14422   Sep 2018   [Refereed]
Islam MO, Kato H, Shima S, Tezuka D, Matsui H, Imai R
Gene   685 42-49   Oct 2018   [Refereed]
Christova, P. K., Christov, N. K., Mladenov, P. V., Imai, R.
Plant Cell Reports   6 923-932   Jun 2018   [Refereed]
A meristem-targeted method for cultivar-independent genome editing
Haruyasu Hamada, Yozo Nagira, Ryozo Imai
Kagaku to Seibutu   56(4) 288-293   Apr 2018   [Refereed][Invited]
Yuelin Liu Y, Ryozo Imai
Frontiers in Plant Science   9 125   2018   [Refereed]
Hamada H, Linghu, Q, Nagira, Y, Miki, R, Taoka, N, Imai, R
Scientific Reports   7 11443   Sep 2017   [Refereed]
Taguchi Y, Saburi W, Imai R, Mori H
Bioscience, Biotechnology, and Biochemistry   81(8) 1512-1519   Aug 2017   [Refereed]
Kentaro Sasaki, Kentaro Sasaki, Chikako Kuwabara, Natsuki Umeki, Natsuki Umeki, Mari Fujioka, Wataru Saburi, Hirokazu Matsui, Fumitaka Abe, Ryozo Imai, Ryozo Imai
Journal of Biotechnology   228 3-7   Jun 2016
TAD1 (Triticum aestivum defensin 1) is induced during cold acclimation in winter wheat and encodes a plant defensin with antimicrobial activity. In this study, we demonstrated that recombinant TAD1 protein inhibits hyphal growth of the snow mold f...
Yuelin Liu, Daisuke Tabata, Ryozo Imai
PLoS ONE   11    Apr 2016
© 2016 Liu et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cre...
Ryozo Imai
Plant Signaling and Behavior   10(8) e1042637   Sep 2015   [Refereed]
Daisuke Tezuka, Akira Ito, Wataru Mitsuhashi, Tomonobu Toyomasu, Ryozo Imai
Biochemical and Biophysical Research Communications   460 766-771   May 2015
© 2015 Elsevier Inc. All rights reserved.The rice genome contains a family of kaurene synthase-like (OsKSL) genes that are responsible for the biosynthesis of various diterpenoids, including gibberellins and phytoalexins. While many OsKSL genes ha...
Magdalena Chojnacka, Joanna Szewińska, Marcin Mielecki, Małgorzata Nykiel, Ryozo Imai, Wiesław Bielawski, Sławomir Orzechowski
Journal of Plant Physiology   174 161-165   Feb 2015
© 2014 Elsevier GmbH.Water-deficit is accompanied by an increase in proteolysis. Phytocystatins are plant inhibitors of cysteine proteinases that belong to the papain and legumain family. A cDNA encoding the protein inhibitor TrcC-8 was identified...
Keita Sutoh, Kenji Washio, Ryozo Imai, Masamitsu Wada, Tomonori Nakai, Daisuke Yamauchi
Bioscience, Biotechnology and Biochemistry   79 747-759   Jan 2015
© 2014 Japan Society for Bioscience, Biotechnology, and Agrochemistry.The expression of the gene for a proteinase (Rep1) is upregulated by gibberellins. The CAACTC regulatory element (CARE) of the Rep1 promoter is involved in the gibberellin respo...
Myung Hee Kim, Ryozo Imai
RNA Remodeling Proteins: Methods and Protocols   1259 117-123   Jan 2015
© Springer Science+Business Media New York 2015. All rights are reserved.Bacterial cold shock proteins (CSPs) function as RNA chaperones that destabilize RNA secondary s tructures. A quadruple mutant of Escherichia coli ( cspA, cspB, cspG, and csp...
Kentaro Sasaki, Yuelin Liu, Myung Hee Kim, Ryozo Imai
Plant Signaling and Behavior   10    Jan 2015
© 2015 Taylor and Francis Group, LLC.Cold shock domain (CSD) proteins are RNA chaperones that destabilize RNA secondary structures. Arabidopsis Cold Shock Domain Protein 2 (AtCSP2), one of the 4 CSD proteins (AtCSP1-AtCSP4) in Arabidopsis, is indu...
Kentaro Sasaki, Myung Hee Kim, Yuri Kanno, Mitsunori Seo, Yuji Kamiya, Ryozo Imai
Biochemical and Biophysical Research Communications   456 380-384   Jan 2015
© 2014 Elsevier Inc. All rights reserved.The cold shock domain (CSD) is the most conserved nucleic acid binding domain and is distributed from bacteria to animals and plants. CSD proteins are RNA chaperones that destabilize RNA secondary structure...
Nikolai Kirilov Christov, Petya Koeva Christova, Hideki Kato, Yuelin Liu, Kentaro Sasaki, Ryozo Imai
Plant Physiology and Biochemistry   84 251-260   Nov 2014
© 2014 Elsevier Masson SAS.A novel cold-inducible GSK3/shaggy-like kinase, TaSK5, was isolated from winter wheat using a macroarray-based differential screening approach. TaSK5 showed high similarity to Arabidopsis subgroup I GSK3/shaggy-like kina...
Mariana Radkova, Pavel Vítámvás, Kentaro Sasaki, Ryozo Imai
Plant Physiology and Biochemistry   77 44-48   Apr 2014
Cold shock domain (CSD) proteins, or Y-box proteins, are nucleic acid-binding proteins that are widely distributed from bacteria to higher plants and animals. Bacterial CSD proteins play an essential role in cold adaptation by destabilizing RNA se...

Books etc

今井 亮三, 吉田 みどり, 松本 直幸, Plant and Microbe Adaptations to Cold
Springer   2013   ISBN:9781461482529