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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

Hitoshi Sakakibara publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Hitoshi Sakakibara sits on this spectrum.

36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36 publications 467+

This scientist: 445 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

Hitoshi Sakakibara D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Hitoshi Sakakibara sits on this spectrum.

30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 120 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

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
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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