2026

Evolutionary and Functional Significance of ShPP2C1 in the Parasitic Life Strategy of Striga

Sotaro Katagiri, Daisuke Fukuhara, Keisuke Fujiyama, Hijiri Fujioka, Yukihiro Sugimoto, Masanori Okamoto
Journal of Experimental Botany, 77, 345-355

2026

Comprehensive transcriptomic analysis revealing that 2-azahypoxanthine treatment induces the stress response in Arabidopsis thaliana

Yuki Tanaka, Tomohiro Suzuki, Keisuke Mitsukuni, Jae-Hoon Choi, Takahito Nomura, Mikiko Kojima, Yumiko Takebayashi, Hitoshi Sakakibara, Hitoshi Ouchi, Makoto Inai, Hideo Dohra, Masanori Okamoto, Hirokazu Kawagishi
Bioscience, Biotechnology, and Biochemistry, 90, 27-36

2025

Humidity-driven ABA depletion determines plant-pathogen competition for leaf water

Shigetaka Yasuda, Akihisa Shinozawa, Yuanjie Weng, Arullthevan Rajendram, Taishi Hirase, Haruka Ishizaki, Ryuji Suzuki, Shioriko Ueda, Rahul Sk, Yumiko Takebayashi, Izumi Yotsui, Masatsugu Toyota, Masanori Okamoto, Yusuke Saijo
Nature Communications, doi.org/10.1038/s41467-025-67469-y

2025

Genetic analysis of β-carotene isomerase in Arabidopsis thaliana

Hitomi Kobuna, Yuri Kanno, Daisuke Fukuhara, Yoshiya Seto, Tetsuo Kushiro, Masanori Okamoto
Biochemical and Biophysical Research Communications, 152185

2025

Expression of spider silk protein in tobacco improves drought tolerance with minimal effects on its mechanotype

Shamitha Rao Morey‐Yagi, Yoichi Hashida, Masanori Okamoto, Masaki Odahara, Takehiro Suzuki, Chonprakun Thagun, Choon Pin Foong, Keiji Numata
The Plant Journal, 121 (2), e17213

2024

Temporal dynamics of N-hydroxypipecolic acid and salicylic acid pathways in the disease response to powdery mildew in wheat

Yuki Sato, Yuanjie Weng, Taichi Shimazaki, Kentaro Yoshida, Ken-ichi Nihei, Masanori Okamoto
Biochemical and Biophysical Research Communications, 734, 150624

2024

1-Butanol treatment enhances drought stress tolerance in Arabidopsis thaliana

Thi Nhu Quynh Do, Daisuke Todaka, Maho Tanaka, Satoshi Takahashi, Junko Ishida, Kaori Sako, Atsushi J Nagano, Yumiko Takebayashi, Yuri Kanno, Masanori Okamoto, Xuan Hoi Pham, Motoaki Seki
Plant Molecular Biology, 114 (4), 86

2024

Metabolic profiles in drought-tolerant wheat with enhanced abscisic acid sensitivity

Yuanjie Weng, Ryosuke Mega, Fumitaka Abe, Hisashi Tsujimoto, Masanori Okamoto
Plant Molecular Biology 114 (4), 86
Plos one, 19 (7), e0307393

2023

Metabolic and transcriptomic profiling during wheat seed development under progressive drought conditions

Ryosuke Mega, June-Sik Kim, Hiroyuki Tanaka, Takayoshi Ishii, Fumitaka Abe, Masanori Okamoto
Scientific reports, 13 (1), 15001

2023

A fungal sesquiterpene biosynthesis gene cluster critical for mutualist-pathogen transition in Colletotrichum tofieldiae

Kei Hiruma, Seishiro Aoki, Junya Takino, Takeshi Higa, Yuniar Devi Utami, Akito Shiina, Masanori Okamoto, Masami Nakamura, Nanami Kawamura, Yoshihiro Ohmori, Ryohei Sugita, Keitaro Tanoi, Toyozo Sato, Hideaki Oikawa, Atsushi Minami, Wataru Iwasaki, Yusuke Saijo
Nature communications, 14 (1), 5288

2023

DIENELACTONE HYDROLASE LIKE PROTEIN1 negatively regulates the KAI2-ligand pathway in Marchantia polymorpha

Hiromu Kameoka, Shota Shimazaki, Kiyoshi Mashiguchi, Bunta Watanabe, Aino Komatsu, Akiyoshi Yoda, Yohei Mizuno, Kyoichi Kodama, Masanori Okamoto, Takahito Nomura, Shinjiro Yamaguchi, Junko Kyozuka
Current Biology, 33 (16), 3505-3513. e5

2021

Genomic prediction modeling of soybean biomass using UAV‐based remote sensing and longitudinal model parameters

Yusuke Toda, Akito Kaga, Hiromi Kajiya‐Kanegae, Tomohiro Hattori, Shuhei Yamaoka, Masanori Okamoto, Hisashi Tsujimoto, Hiroyoshi Iwata
The Plant Genome, 14 (3), e20157

2021

Click-to-lead design of a picomolar ABA receptor antagonist with potent activity in vivo

Aditya S Vaidya, Francis C Peterson, James Eckhardt, Zenan Xing, Sang-Youl Park, Wim Dejonghe, Jun Takeuchi, Oded Pri-Tal, Julianna Faria, Dezi Elzinga, Brian F Volkman, Yasushi Todoroki, Assaf Mosquna, Masanori Okamoto, Sean R Cutler
PNAS, 118 (38), e2108281118

2021

Ligand–receptor interactions in plant hormone signaling

Jun Takeuchi, Kosuke Fukui, Yoshiya Seto, Yousuke Takaoka, Masanori Okamoto
The Plant Journal, 105 (2), 290-306

2019

Dynamic control of plant water use using designed ABA receptor agonists

Aditya S Vaidya, Jonathan DM Helander, Francis C Peterson, Dezi Elzinga, Wim Dejonghe, Amita Kaundal, Sang-Youl Park, Zenan Xing, Ryousuke Mega, Jun Takeuchi, Bardia Khanderahoo, Steven Bishay, Brian F Volkman, Yasushi Todoroki, Masanori Okamoto, Sean R Cutler
Science, 366 (6464), eaaw8848

2019

Genetic manipulation of abscisic acid receptors enables modulation of water use efficiency

Ryosuke Mega, Hisashi Tsujimoto, Masanori Okamoto
Plant Signaling & Behavior, 14 (10), e1642039

2019

How does Striga hermonthica Bewitch its hosts?

Hijiri Fujioka, Hiroaki Samejima, Masaharu Mizutani, Masanori Okamoto, Yukihiro Sugimoto
Plant signaling & behavior, 14 (7), 1605810

2019

Aberrant protein phosphatase 2C leads to abscisic acid insensitivity and high transpiration in parasitic Striga

Hijiri Fujioka, Hiroaki Samejima, Hideyuki Suzuki, Masaharu Mizutani, Masanori Okamoto, Yukihiro Sugimoto
Nature Plants, 5 (3), 258-262

2019

Tuning water-use efficiency and drought tolerance in wheat using abscisic acid receptors

Ryosuke Mega, Fumitaka Abe, June-Sik Kim, Yuuri Tsuboi, Keisuke Tanaka, Hisato Kobayashi, Yoichi Sakata, Kousuke Hanada, Hisashi Tsujimoto, Jun Kikuchi, Sean R Cutler, Masanori Okamoto
Nature plants, 5 (2), 153-159

2018

Small molecule probes of ABA biosynthesis and signaling

Wim Dejonghe, Masanori Okamoto, Sean R Cutler
Plant and cell physiology, 59 (8), 1490-1499

2018

Conversion of carlactone to carlactonoic acid is a conserved function of MAX 1 homologs in strigolactone biosynthesis

Kaori Yoneyama, Narumi Mori, Tomoyasu Sato, Akiyoshi Yoda, Xiaonan Xie, Masanori Okamoto, Masashi Iwanaga, Toshiyuki Ohnishi, Hisashi Nishiwaki, Tadao Asami, Takao Yokota, Kohki Akiyama, Koichi Yoneyama, Takahito Nomura
New Phytologist, 218 (4), 1522-1533

2018

Chemical control of ABA receptors to enable plant protection against water stress

Masanori Okamoto, Sean R Cutler
Plant chemical genomics: methods and protocols, 127-141

2018

AtPep3 is a hormone-like peptide that plays a role in the salinity stress tolerance of plants

Kentaro Nakaminami, Masanori Okamoto, Mieko Higuchi-Takeuchi, Takeshi Yoshizumi, Yube Yamaguchi, Yoichiro Fukao, Minami Shimizu, Chihiro Ohashi, Maho Tanaka, Minami Matsui, Kazuo Shinozaki, Motoaki Seki, Kousuke Hanada
PNAS, 115 (22), 5810-5815

2018

Structure-based chemical design of abscisic acid antagonists that block PYL–PP2C receptor interactions

Jun Takeuchi, Naoki Mimura, Masanori Okamoto, Shunsuke Yajima, Masayuki Sue, Tomonori Akiyama, Keina Monda, Koh Iba, Toshiyuki Ohnishi, Yasushi Todoroki
ACS Chemical Biology, 13 (5), 1313-1321

2018

Efficient anchoring of alien chromosome segments introgressed into bread wheat by new Leymus racemosus genome-based markers

Offiong Ukpong Edet, June-Sik Kim, Masanori Okamoto, Kousuke Hanada, Tomoyuki Takeda, Masahiro Kishii, Yasir Serag Alnor Gorafi, Hisashi Tsujimoto
BMC genetics, 19 (1), 18

2018

Novel biotin linker with alkyne and amino groups for chemical labelling of a target protein of a bioactive small molecule

Tomoaki Anabuki, Miu Tsukahara, Masanori Okamoto, Hideyuki Matsuura, Kosaku Takahashi
Bioorganic & Medicinal Chemistry Letters, 28 (4), 783-786

2017

A Highly Specific Genome-Wide Association Study Integrated with Transcriptome Data Reveals the Contribution of Copy Number Variations to Specialized Metabolites in Arabidopsis thaliana Accessions

Kazumasa Shirai, Fumio Matsuda, Ryo Nakabayashi, Masanori Okamoto, Maho Tanaka, Akihiro Fujimoto, Minami Shimizu, Kazuo Shinozaki, Motoaki Seki, Kazuki Saito, Kousuke Hanada
Molecular Biology and Evolution, 34 (12), 3111-3122

2017

RNA-Seq using bulked recombinant inbred line populations uncovers the importance of brassinosteroid for seed longevity after priming treatments

Naoto Sano, June-Sik Kim, Yoshihiko Onda, Takahito Nomura, Keiichi Mochida, Masanori Okamoto, Mitsunori Seo
Scientific Reports, 7 (1), 8095

2016

Abscinazole-E3M, a practical inhibitor of abscisic acid 8′-hydroxylase for improving drought tolerance

Jun Takeuchi, Masanori Okamoto, Ryosuke Mega, Yuri Kanno, Toshiyuki Ohnishi, Mitsunori Seo, Yasushi Todoroki
Scientific Reports, 6 (1), 37060

2016

NIN-like protein 8 is a master regulator of nitrate-promoted seed germination in Arabidopsis

Dawei Yan, Vanathy Easwaran, Vivian Chau, Masanori Okamoto, Matthew Ierullo, Mitsuhiro Kimura, Akira Endo, Ryoichi Yano, Asher Pasha, Yunchen Gong, Yong-Mei Bi, Nicolas Provart, David Guttman, Anne Krapp, Steven J Rothstein, Eiji Nambara
Nature communications, 7 (1), 13179

2016

Sm-Like Protein-Mediated RNA Metabolism Is Required for Heat Stress Tolerance in Arabidopsis

Masanori Okamoto, Akihiro Matsui, Maho Tanaka, Taeko Morosawa, Junko Ishida, Kei Iida, Yoshiki Mochizuki, Tetsuro Toyoda, Motoaki Seki
Frontiers in Plant Science, 7, 1079

2016

Synthetic compounds for vegetative ABA responses

SR Cutler, M Okamoto
US Patent, 9,345,245

2016

Chemical Promotion of Endogenous Amounts of ABA in Arabidopsis thaliana by a Natural Product, Theobroxide

Yudai Yamashita, Maremichi Ota, Yutaka Inoue, Youko Hasebe, Masanori Okamoto, Tsuyoshi Inukai, Chikra Masuta, Yasuko Sakihama, Yasuyuki Hashidoko, Mikiko Kojima, Hitoshi Sakakibara, Yasuyuki Inage, Kosaku Takahashi, Teruhiko Yoshihara, Hideyuki Matsuura
Plant and Cell Physiology, 57 (5), 986-999

2015

The selectivity of 6-nor-ABA and 7′-nor-ABA for abscisic acid receptor subtypes

Jun Takeuchi, Toshiyuki Ohnishi, Masanori Okamoto, Yasushi Todoroki
Bioorganic & medicinal chemistry letters, 25 (17), 3507-3510

2015

A Comparison of Transcriptomes Between Germinating Seeds and Growing Axillary Buds of Arabidopsis

Dawei Yan, Kiyoshi Tatematsu, Kazumi Nakabayashi, Akira Endo, Masanori Okamoto, Eiji Nambara
Advances in Plant Dormancy, 223-233

2015

Polypeptide involved in morphogenesis and/or environmental stress resistance of plant

Kousuke Hanada, Mieko Higuchi, Takeshi Yoshizumi, Kentaro Nakaminami, Masanori Okamoto, Motoaki Seki, Minami Matsui
US Patent, App. 14/385,068

2015

Conformationally restricted 3′-modified ABA analogs for controlling ABA receptors

Jun Takeuchi, Toshiyuki Ohnishi, Masanori Okamoto, Yasushi Todoroki
Organic & Biomolecular Chemistry, 13 (14), 4278-4288

2014

ABA biosynthetic and catabolic pathways

Akira Endo, Masanori Okamoto, Tomokazu Koshiba
Abscisic acid: metabolism, transport and signaling, 21-45

2014

Designed abscisic acid analogs as antagonists of PYL-PP2C receptor interactions

Jun Takeuchi, Masanori Okamoto, Tomonori Akiyama, Takuya Muto, Shunsuke Yajima, Masayuki Sue, Mitsunori Seo, Yuri Kanno, Tsunashi Kamo, Akira Endo, Eiji Nambara, Nobuhiro Hirai, Toshiyuki Ohnishi, Sean R Cutler, Yasushi Todoroki
Nature chemical biology, 10 (6), 477-482

2014

Substantial expression of novel small open reading frames in Oryza sativa

Masanori Okamoto, Mieko Higuchi-Takeuchi, Minami Shimizu, Kazuo Shinozaki, Kousuke Hanada
Plant Signaling & Behavior, 9 (2), 2395-400

2013

Activation of dimeric ABA receptors elicits guard cell closure, ABA-regulated gene expression, and drought tolerance

Masanori Okamoto, Francis C Peterson, Andrew Defries, Sang-Youl Park, Akira Endo, Eiji Nambara, Brian F Volkman, Sean R Cutler
PNAS, 110 (29), 12132-12137

2013

Small open reading frames associated with morphogenesis are hidden in plant genomes

Kousuke Hanada, Mieko Higuchi-Takeuchi, Masanori Okamoto, Takeshi Yoshizumi, Minami Shimizu, Kentaro Nakaminami, Ranko Nishi, Chihiro Ohashi, Kei Iida, Maho Tanaka, Yoko Horii, Mika Kawashima, Keiko Matsui, Tetsuro Toyoda, Kazuo Shinozaki, Motoaki Seki, Minami Matsui
PNAS, 110 (6), 2395-2400

2012

Positional correlation analysis improves reconstruction of full-length transcripts and alternative isoforms from noisy array signals or short reads

Shuji Kawaguchi, Kei Iida, Erimi Harada, Kousuke Hanada, Akihiro Matsui, Masanori Okamoto, Kazuo Shinozaki, Motoaki Seki, Tetsuro Toyoda
Bioinformatics, 28 (7), 929-937

2012

Tissue-Specific Transcriptome Analysis Reveals Cell Wall Metabolism, Flavonol Biosynthesis and Defense Responses are Activated in the Endosperm of Germinating Arabidopsis thaliana Seeds

Akira Endo, Kiyoshi Tatematsu, Kousuke Hanada, Lisza Duermeyer, Masanori Okamoto, Keiko Yonekura-Sakakibara, Kazuki Saito, Tetsuro Toyoda, Naoto Kawakami, Yuji Kamiya, Motoaki Seki, Eiji Nambara
Plant and Cell Physiology, 53 (1), 16-27

2011

Origin and evolution of genes related to ABA metabolism and its signaling pathways

Kousuke Hanada, Takeshi Hase, Tetsuro Toyoda, Kazuo Shinozaki, Masanori Okamoto
Journal of Plant Research, 124 (4), 455-465

2011

ABA 9′-hydroxylation is catalyzed by CYP707A in Arabidopsis

Masanori Okamoto, Tetsuo Kushiro, Yusuke Jikumaru, Suzanne R Abrams, Yuji Kamiya, Motoaki Seki, Eiji Nambara
Phytochemistry, 72 (8), 717-722

2011

Expression profile and 5’-terminal structure of Arabidopsis antisense transcripts expressed in seeds

Masanori Okamoto, Motoaki Seki
Plant Signaling & Behavior, 6 (5), 691-693

2011

ARTADE2DB: improved statistical inferences for Arabidopsis gene functions and structure predictions by dynamic structure-based dynamic expression (DSDE) analyses

Kei Iida, Shuji Kawaguchi, Norio Kobayashi, Yuko Yoshida, Manabu Ishii, Erimi Harada, Kousuke Hanada, Akihiro Matsui, Masanori Okamoto, Junko Ishida, Maho Tanaka, Taeko Morosawa, Motoaki Seki, Tetsuro Toyoda
Plant and cell physiology, 52 (2), 254-264

2010

Abscisic acid and the control of seed dormancy and germination

Eiji Nambara, Masanori Okamoto, Kiyoshi Tatematsu, Ryoichi Yano, Mitsunori Seo, Yuji Kamiya
Seed Science Research, 20 (2), 55-67

2010

Genome‐wide analysis of endogenous abscisic acid‐mediated transcription in dry and imbibed seeds of Arabidopsis using tiling arrays

Masanori Okamoto, Kiyoshi Tatematsu, Akihiro Matsui, Taeko Morosawa, Junko Ishida, Maho Tanaka, Takaho A Endo, Yoshiki Mochizuki, Tetsuro Toyoda, Yuji Kamiya, Kazuo Shinozaki, Eiji Nambara, Motoaki Seki
The Plant Journal, 62 (1), 39-51

2010

Arabidopsis Tiling Array Analysis to Identify the Stress-Responsive Genes

Akihiro Matsui, Junko Ishida, Taeko Morosawa, Masanori Okamoto, Jong-Myong Kim, Yukio Kurihara, Makiko Kawashima, Maho Tanaka, Taiko Kim To, Kentaro Nakaminami, Eli Kaminuma, Takaho A Endo, Yoshiki Mochizuki, Shuji Kawaguchi, Norio Kobayashi, Kazuo Shinozaki, Tetsuro Toyoda, Motoaki Seki
Plant Stress Tolerance: Methods and Protocols, 141-155

2009

Microarray analysis for studying the abiotic stress responses in plants

Motoaki Seki, Masanori Okamoto, Akihiro Matsui, Jong-Myong Kim, Yukio Kurihara, Junko Ishida, Taeko Morosawa, Makiko Kawashima, Taiko Kim To, Kazuo Shinozaki
Molecular Techniques in Crop Improvement: 2nd Edition, 333-355

2009

Activation of abscisic acid biosynthesis in the leaves of Arabidopsis thaliana in response to water deficit

Keiichi Ikegami, Masanori Okamoto, Mitsunori Seo, Tomokazu Koshiba
Journal of plant research, 122 (2), 235-243

2009

High humidity induces abscisic acid 8′-hydroxylase in stomata and vasculature to regulate local and systemic abscisic acid responses in Arabidopsis

Masanori Okamoto, Yoko Tanaka, Suzanne R Abrams, Yuji Kamiya, Motoaki Seki, Eiji Nambara
Plant physiology, 149 (2), 825-834

2008

Measurement of abscisic acid and gibberellins by gas chromatography/mass spectrometry

Masanori Okamoto, Atsushi Hanada, Yuji Kamiya, Shinjiro Yamaguchi, Eiji Nambara
Plant Hormones: Methods and Protocols, 53-60

2008

Drought induction of Arabidopsis 9-cis-epoxycarotenoid dioxygenase occurs in vascular parenchyma cells

Akira Endo, Yoshiaki Sawada, Hirokazu Takahashi, Masanori Okamoto, Keiichi Ikegami, Hanae Koiwai, Mitsunori Seo, Tomonobu Toyomasu, Wataru Mitsuhashi, Kazuo Shinozaki, Mikio Nakazono, Yuji Kamiya, Tomokazu Koshiba, Eiji Nambara
Plant physiology, 147 (4), 1984-1993

2008

Arabidopsis Transcriptome Analysis under Drought, Cold, High-Salinity and ABA Treatment Conditions using a Tiling Array

Akihiro Matsui, Junko Ishida, Taeko Morosawa, Yoshiki Mochizuki, Eli Kaminuma, Takaho A Endo, Masanori Okamoto, Eiji Nambara, Maiko Nakajima, Makiko Kawashima, Masakazu Satou, Jong-Myong Kim, Norio Kobayashi, Tetsuro Toyoda, Kazuo Shinozaki, Motoaki Seki
Plant and Cell physiology, 49 (8), 1135-1149

2008

High temperature-induced abscisic acid biosynthesis and its role in the inhibition of gibberellin action in Arabidopsis seeds

Shigeo Toh, Akane Imamura, Asuka Watanabe, Kazumi Nakabayashi, Masanori Okamoto, Yusuke Jikumaru, Atsushi Hanada, Yukie Aso, Kanako Ishiyama, Noriko Tamura, Satoshi Iuchi, Masatomo Kobayashi, Shinjiro Yamaguchi, Yuji Kamiya, Eiji Nambara, Naoto Kawakami
Plant physiology, 146 (3), 1368-1385

2008

Transient expression of AtNCED3 and AAO3 genes in guard cells causes stomatal closure in Vicia faba

Vanessa Melhorn, Kunimi Matsumi, Hanae Koiwai, Keiichi Ikegami, Masanori Okamoto, Eiji Nambara, Florian Bittner, Tomokazu Koshiba
Journal of plant research, 121 (1), 125-131

2007

Ectopic Expression of ABSCISIC ACID 2/GLUCOSE INSENSITIVE 1 in Arabidopsis Promotes Seed Dormancy and Stress Tolerance

Pei-Chi Lin, San-Gwang Hwang, Akira Endo, Masanori Okamoto, Tomokazu Koshiba, Wan-Hsing Cheng
Plant physiology, 143 (2), 745-758

2007

Ethylene Promotes Submergence-Induced Expression of OsABA8ox1 , a Gene that Encodes ABA 8′-Hydroxylase in Rice

Hiroaki Saika, Masanori Okamoto, Kentaro Miyoshi, Tetsuo Kushiro, Shoko Shinoda, Yusuke Jikumaru, Masaru Fujimoto, Taku Arikawa, Hirokazu Takahashi, Miho Ando, Shin-ichi Arimura, Akio Miyao, Hirohiko Hirochika, Yuji Kamiya, Nobuhiro Tsutsumi, Eiji Nambara, Mikio Nakazono
Plant and Cell Physiology, 48 (2), 287-298

2006

Regulation of hormone metabolism in Arabidopsis seeds: phytochrome regulation of abscisic acid metabolism and abscisic acid regulation of gibberellin metabolism

Mitsunori Seo, Atsushi Hanada, Ayuko Kuwahara, Akira Endo, Masanori Okamoto, Yukika Yamauchi, Helen North, Annie Marion‐Poll, Tai‐ping Sun, Tomokazu Koshiba, Yuji Kamiya, Shinjiro Yamaguchi, Eiji Nambara
The Plant Journal, 48 (3), 354-366

2006

A Plant Growth Retardant, Uniconazole, Is a Potent Inhibitor of ABA Catabolism in Arabidopsis

Shigeki Saito, Masanori Okamoto, Shoko Shinoda, Tetsuo Kushiro, Tomokazu Koshiba, Yuji Kamiya, Nobuhiro Hirai, Yasushi Todoroki, Kanzo Sakata, Eiji Nambara, Masaharu Mizutani
Bioscience, biotechnology, and biochemistry, 70 (7), 1731-1739

2006

CYP707A1 and CYP707A2, which encode abscisic acid 8′-hydroxylases, are indispensable for proper control of seed dormancy and germination in Arabidopsis

Masanori Okamoto, Ayuko Kuwahara, Mistunori Seo, Tetsuo Kushiro, Tadao Asami, Nobuhiro Hirai, Yuji Kamiya, Tomokazu Koshiba, Eiji Nambara
Plant physiology, 141 (1), 97-107

2006

CYP707A3, a major ABA 8′‐hydroxylase involved in dehydration and rehydration response in Arabidopsis thaliana

Taishi Umezawa, Masanori Okamoto, Tetsuo Kushiro, Eiji Nambara, Youko Oono, Motoaki Seki, Masatomo Kobayashi, Tomokazu Koshiba, Yuji Kamiya, Kazuo Shinozaki
The Plant Journal, 46 (2), 171-182

2006

Functional analysis of Arabidopsis NCED6 and NCED9 genes indicates that ABA synthesized in the endosperm is involved in the induction of seed dormancy

Valérie Lefebvre, Helen North, Anne Frey, Bruno Sotta, Mitsunori Seo, Masanori Okamoto, Eiji Nambara, Annie Marion‐Poll
The Plant Journal, 45 (3), 309-319

2005

Genome‐wide profiling of stored mRNA in Arabidopsis thaliana seed germination: epigenetic and genetic regulation of transcription in seed

Kazumi Nakabayashi, Masanori Okamoto, Tomokazu Koshiba, Yuji Kamiya, Eiji Nambara
The plant journal, 41 (5), 697-709

2004

The transcription factor FUSCA3 controls developmental timing in Arabidopsis through the hormones gibberellin and abscisic acid

Sonia Gazzarrini, Yuichiro Tsuchiya, Shelley Lumba, Masanori Okamoto, Peter McCourt
Developmental cell, 7 (3), 373-385

2004

The Arabidopsis cytochrome P450 CYP707A encodes ABA 8′‐hydroxylases: key enzymes in ABA catabolism

Tetsuo Kushiro, Masanori Okamoto, Kazumi Nakabayashi, Kazutoshi Yamagishi, Sayaka Kitamura, Tadao Asami, Nobuhiro Hirai, Tomokazu Koshiba, Yuji Kamiya, Eiji Nambara
The EMBO journal, 23 (7), 1647-1656

2002

Complementation of a tomato ABA-deficient sitiens mutant by an Arabidopsis aldehyde oxidase gene, AAO3

M Okamoto, X Min, M Seo, K Nakabayashi, Y Kamiya, E Nambara, T Koshiba
Plant and Cell Physiology, 43, S42-S42