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Hitoshi Sakakibara

Hitoshi Sakakibara

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Plant Science and Agronomy
Japan
2026
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Biology and Biochemistry
Japan
2025

D-Index & Metrics

Plant Science and Agronomy

D-Index
120
Citations
50941
World Ranking
68
National Ranking
6

Research.com Recognitions

  • 2026 - Research.com Plant Science and Agronomy in Japan Leader Award
  • 2025 - Research.com Biology and Biochemistry in Japan Leader Award
  • 2023 - Research.com Biology and Biochemistry in Japan Leader Award

Overview

Hitoshi Sakakibara is affiliated with Nagoya University in Japan, focusing primarily on agricultural and biological sciences as well as biochemistry, genetics, and molecular biology. Their work spans multiple facets of plant science, including molecular biology, plant nutrient uptake and metabolism, reproductive biology, and responses to environmental stress.

The scientist has contributed extensively to plant molecular biology research, with a particular concentration on topics such as plant nutrient uptake and metabolism, plant reproductive biology, and plant stress responses and tolerance. Additional research interests include plant responses to water stress, tissue culture and regeneration, and plant parasitism and resistance.

Sakakibara's research has been published across various venues, with a significant number of their works appearing in:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Plant and Cell Physiology
  • Frontiers in Plant Science
  • The Plant Journal
  • Nature Communications

Their recent papers include:

  • "Antagonistic regulation of the gibberellic acid response during stem growth in rice" (2020, Nature)
  • "Excessive ammonium assimilation by plastidic glutamine synthetase causes ammonium toxicity in Arabidopsis thaliana" (2021, Nature Communications)
  • "A genome resource for green millet Setaria viridis enables discovery of agronomically valuable loci" (2020, Nature Biotechnology)
  • "Cytokinin biosynthesis and transport for systemic nitrogen signaling" (2020, The Plant Journal)
  • "Overexpression of Sucrose Phosphate Synthase Enhanced Sucrose Content and Biomass Production in Transgenic Sugarcane" (2020, Plants)

Frequent collaborators with Sakakibara include:

  • Mikiko Kojima
  • Yumiko Takebayashi
  • Takatoshi Kiba
  • Takushi Hachiya
  • Takamasa Suzuki

Best Publications

  • Cytokinin Oxidase Regulates Rice Grain Production

    Motoyuki Ashikari;Hitoshi Sakakibara;Shaoyang Lin;Toshio Yamamoto

  • CYTOKININS: Activity, Biosynthesis, and Translocation

    Hitoshi Sakakibara

  • Enhancement of oxidative and drought tolerance in Arabidopsis by overaccumulation of antioxidant flavonoids

    Ryo Nakabayashi;Keiko Yonekura-Sakakibara;Kaoru Urano;Makoto Suzuki

  • The ethylene response factors SNORKEL1 and SNORKEL2 allow rice to adapt to deep water.

    Yoko Hattori;Keisuke Nagai;Shizuka Furukawa;Xian Jun Song

  • Direct control of shoot meristem activity by a cytokinin-activating enzyme.

    Takashi Kurakawa;Nanae Ueda;Masahiko Maekawa;Kaoru Kobayashi

  • Delayed leaf senescence induces extreme drought tolerance in a flowering plant

    Rosa M. Rivero;Mikiko Kojima;Amira Gepstein;Hitoshi Sakakibara

  • Analysis of Cytokinin Mutants and Regulation of Cytokinin Metabolic Genes Reveals Important Regulatory Roles of Cytokinins in Drought, Salt and Abscisic Acid Responses, and Abscisic Acid Biosynthesis

    Rie Nishiyama;Yasuko Watanabe;Yasunari Fujita;Dung Tien Le

  • DWARF10, an RMS1/MAX4/DAD1 ortholog, controls lateral bud outgrowth in rice.

    Tomotsugu Arite;Hirotaka Iwata;Kenji Ohshima;Masahiko Maekawa

  • Regulation of cytokinin biosynthesis, compartmentalization and translocation

    Naoya Hirose;Kentaro Takei;Takeshi Kuroha;Tomoe Kamada-Nobusada

  • Highly Sensitive and High-Throughput Analysis of Plant Hormones Using MS-Probe Modification and Liquid Chromatography–Tandem Mass Spectrometry: An Application for Hormone Profiling in Oryza sativa

    Mikiko Kojima;Tomoe Kamada-Nobusada;Hirokazu Komatsu;Kentaro Takei

  • PSEUDO-RESPONSE REGULATORS 9, 7, and 5 Are Transcriptional Repressors in the Arabidopsis Circadian Clock

    Norihito Nakamichi;Takatoshi Kiba;Rossana Henriques;Takeshi Mizuno

  • Identification of Genes Encoding Adenylate Isopentenyltransferase, a Cytokinin Biosynthesis Enzyme, inArabidopsis thaliana

    Kentaro Takei;Hitoshi Sakakibara;Tatsuo Sugiyama

  • The AtGenExpress hormone and chemical treatment data set: experimental design, data evaluation, model data analysis and data access.

    Hideki Goda;Eriko Sasaki;Kenji Akiyama;Akiko Maruyama-Nakashita

  • Dynein structure and power stroke

    Stan A. Burgess;Matt L. Walker;Hitoshi Sakakibara;Peter J. Knight

  • Auxin controls local cytokinin biosynthesis in the nodal stem in apical dominance.

    Mina Tanaka;Kentaro Takei;Mikiko Kojima;Hitoshi Sakakibara

  • Two Cytosolic Glutamine Synthetase Isoforms of Maize Are Specifically Involved in the Control of Grain Production

    Antoine Martin;Judy Lee;Thomas Kichey;Denise Gerentes

  • Interactions between nitrogen and cytokinin in the regulation of metabolism and development

    Hitoshi Sakakibara;Kentaro Takei;Naoya Hirose

  • Hormonal control of nitrogen acquisition: roles of auxin, abscisic acid, and cytokinin

    Takatoshi Kiba;Toru Kudo;Mikiko Kojima;Hitoshi Sakakibara

  • Nitrogen-dependent accumulation of cytokinins in root and the translocation to leaf: implication of cytokinin species that induces gene expression of maize response regulator.

    Kentaro Takei;Hitoshi Sakakibara;Mitsutaka Taniguchi;Tatsuo Sugiyama

  • Arabidopsis CYP735A1 and CYP735A2 Encode Cytokinin Hydroxylases That Catalyze the Biosynthesis of trans-Zeatin

    Kentaro Takei;Tomoyuki Yamaya;Hitoshi Sakakibara

  • The cytokinin-activated transcription factor ARR2 promotes plant immunity via TGA3/NPR1-dependent salicylic acid signaling in Arabidopsis.

    Jaemyung Choi;Sung Un Huh;Mikiko Kojima;Hitoshi Sakakibara

Frequent Co-Authors

Tatsuo Sugiyama
Tatsuo Sugiyama Nagoya University
Takatoshi Kiba
Takatoshi Kiba Nagoya University
Tomoyuki Yamaya
Tomoyuki Yamaya Tohoku University
Kazuki Saito
Kazuki Saito Chiba University
Takeshi Mizuno
Takeshi Mizuno Nagoya University
Miyako Kusano
Miyako Kusano University of Tsukuba
Hidemi Kitano
Hidemi Kitano Nagoya University
Motoyuki Ashikari
Motoyuki Ashikari Nagoya University

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