Tomonobu Toyomasu

Tomonobu Toyomasu 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 Tomonobu Toyomasu sits on this spectrum.

Tomonobu Toyomasu 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 Tomonobu Toyomasu sits on this spectrum.

Best Publications

• Drought Induction of Arabidopsis 9-cis-Epoxycarotenoid Dioxygenase Occurs in Vascular Parenchyma Cells

  Akira Endo;Yoshiaki Sawada;Hirokazu Takahashi;Masanori Okamoto

  433
  Citations

• A rice semi-dwarf gene, Tan-Ginbozu (D35), encodes the gibberellin biosynthesis enzyme, ent-kaurene oxidase

  Hironori Itoh;Tomoko Tatsumi;Tomoaki Sakamoto;Kazuko Otomo

  364
  Citations

• Identification of a Biosynthetic Gene Cluster in Rice for Momilactones

  Kazuhiro Shimura;Atsushi Okada;Kazunori Okada;Yusuke Jikumaru

  336
  Citations

• Phytochrome Regulates Gibberellin Biosynthesis during Germination of Photoblastic Lettuce Seeds

  Tomonobu Toyomasu;Hiroshi Kawaide;Wataru Mitsuhashi;Yasunori Inoue

  327
  Citations

• Tissue-Specific Localization of an Abscisic Acid Biosynthetic Enzyme, AAO3, in Arabidopsis

  Hanae Koiwai;Kentaro Nakaminami;Mitsunori Seo;Wataru Mitsuhashi

  311
  Citations

• Fusicoccins are biosynthesized by an unusual chimera diterpene synthase in fungi

  Tomonobu Toyomasu;Mai Tsukahara;Akane Kaneko;Rie Niida

  267
  Citations

• Biological functions of ent- and syn-copalyl diphosphate synthases in rice: key enzymes for the branch point of gibberellin and phytoalexin biosynthesis.

  Kazuko Otomo;Hiromichi Kenmoku;Hideaki Oikawa;Wilfried A. König

  241
  Citations

• Diterpene Cyclases Responsible for the Biosynthesis of Phytoalexins, Momilactones A, B, and Oryzalexins A–F in Rice

  Kazuko Otomo;Yuri Kanno;Akihiro Motegi;Hiromichi Kenmoku

  168
  Citations

• Molecular cloning and characterization of a cDNA encoding ent‐cassa‐12,15‐diene synthase, a putative diterpenoid phytoalexin biosynthetic enzyme, from suspension‐cultured rice cells treated with a chitin elicitor

  Eun-Min Cho;Atsushi Okada;Hiromichi Kenmoku;Kazuko Otomo

  164
  Citations

• Light effects on endogenous levels of gibberellins in photoblastic lettuce seeds

  Tomonobu Toyomasu;Hiroko Tsuji;Hisakazu Yamane;Masayoshi Nakayama

  129
  Citations

• Recent Advances Regarding Diterpene Cyclase Genes in Higher Plants and Fungi

  Unknown

  129
  Citations

• Phytochrome- and Gibberellin-Mediated Regulation of Abscisic Acid Metabolism during Germination of Photoblastic Lettuce Seeds

  Yoshiaki Sawada;Miki Aoki;Kentaro Nakaminami;Wataru Mitsuhashi

  124
  Citations

• Cloning and characterization of a cDNA encoding gibberellin 20‐oxidase from rice (Oryza sativa) seedlings

  T. Toyomasu;H. Kawaide;H. Sekimoto;C. von Numers

  117
  Citations

• Stemar-13-ene synthase, a diterpene cyclase involved in the biosynthesis of the phytoalexin oryzalexin S in rice

  Tadahiro Nemoto;Eun-Min Cho;Atsushi Okada;Kazunori Okada

  107
  Citations

• Reverse-genetic approach to verify physiological roles of rice phytoalexins: characterization of a knockdown mutant of OsCPS4 phytoalexin biosynthetic gene in rice.

  Tomonobu Toyomasu;Masami Usui;Chizu Sugawara;Kazuko Otomo

  106
  Citations

• Biosynthetic Gene-Based Secondary Metabolite Screening: A New Diterpene, Methyl Phomopsenonate, from the Fungus Phomopsis amygdali

  Tomonobu Toyomasu;Akane Kaneko;Tetsuo Tokiwano;Yuya Kanno

  104
  Citations

• Diterpene phytoalexins are biosynthesized in and exuded from the roots of rice seedlings

  Tomonobu Toyomasu;Takuma Kagahara;Kazunori Okada;Jinichiro Koga

  102
  Citations

• Cloning of a full-length cDNA encoding ent-kaurene synthase from Gibberella fujikuroi: functional analysis of a bifunctional diterpene cyclase.

  Tomonobu Toyomasu;Hiroshi Kawaide;Atsuko Ishizaki;Shoko Shinoda

  101
  Citations

• Effects of Exogenously Applied Gibberellin and Red Light on the Endogenous Levels of Abscisic Acid in Photoblastic Lettuce Seeds

  Tomonobu Toyomasu;Hisakazu Yamane;Noboru Murofushi;Yasunori Inoue

  99
  Citations

• Evolutionary trajectory of phytoalexin biosynthetic gene clusters in rice

  Koji Miyamoto;Koji Miyamoto;Masahiro Fujita;Matthew R. Shenton;Shota Akashi

  97
  Citations