2026 Hiromi Nakanishi: Plant Science and Agronomy Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Plant Science and Agronomy	79	438	403	13	13	213	23224

Research.com Recognitions

2025 - Research.com Plant Science and Agronomy in Japan Leader Award
2023 - Research.com Plant Science and Agronomy in Japan Leader Award
2022 - Research.com Plant Science and Agronomy in Japan Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

Gene
Enzyme
DNA

Hiromi Nakanishi focuses on Biochemistry, Nicotianamine synthase, Oryza sativa, Nicotianamine and Gene. He interconnects Vascular bundle and Phloem in the investigation of issues within Biochemistry. His Nicotianamine synthase research incorporates themes from Iron deficiency and Hordeum vulgare.

His Oryza sativa research integrates issues from Endosperm, Epidermis, Botany and Plant breeding. His Botany research is multidisciplinary, incorporating perspectives in Genetically modified crops and Mutant. Hiromi Nakanishi has researched Nicotianamine in several fields, including Genetically modified rice, Chlorosis, Siderophore, ATP synthase and Hordeum.

His most cited work include:

Role of Nicotianamine in the Intracellular Delivery of Metals and Plant Reproductive Development (504 citations)
Rice plants take up iron as an Fe3+-phytosiderophore and as Fe2+. (479 citations)
OsYSL2 is a rice metal-nicotianamine transporter that is regulated by iron and expressed in the phloem. (358 citations)

What are the main themes of his work throughout his whole career to date?

His scientific interests lie mostly in Biochemistry, Botany, Gene, Nicotianamine and Oryza sativa. His study brings together the fields of Hordeum vulgare and Biochemistry. His Botany study incorporates themes from Genetically modified crops and Chromosomal translocation.

His Gene study introduces a deeper knowledge of Genetics. His work in Nicotianamine tackles topics such as Arabidopsis which are related to areas like Arabidopsis thaliana. His study on Oryza sativa also encompasses disciplines like

Cauliflower mosaic virus most often made with reference to Genetically modified rice,
Mutant which is related to area like Yeast.

He most often published in these fields:

Biochemistry (49.07%)
Botany (34.26%)
Gene (32.87%)

What were the highlights of his more recent work (between 2011-2021)?

Botany (34.26%)
Biochemistry (49.07%)
Oryza sativa (22.69%)

In recent papers he was focusing on the following fields of study:

His primary areas of investigation include Botany, Biochemistry, Oryza sativa, Gene and Iron deficiency. The study incorporates disciplines such as Genetically modified crops and Chromosomal translocation in addition to Botany. His Oryza sativa research is multidisciplinary, incorporating elements of Cell biology, Biofortification and Plant breeding.

His work on Gene expression and Transcriptome as part of general Gene research is frequently linked to Ion beam irradiation, thereby connecting diverse disciplines of science. Hiromi Nakanishi has included themes like Calcareous, Ferritin and Reductase in his Iron deficiency study. Hiromi Nakanishi is interested in Nicotianamine synthase, which is a branch of Nicotianamine.

Between 2011 and 2021, his most popular works were:

Characterizing the role of rice NRAMP5 in Manganese, Iron and Cadmium Transport (278 citations)
Ion-beam irradiation, gene identification, and marker-assisted breeding in the development of low-cadmium rice (265 citations)
The OsHMA2 transporter is involved in root‐to‐shoot translocation of Zn and Cd in rice (261 citations)

In his most recent research, the most cited papers focused on:

Gene
Enzyme
Botany

Hiromi Nakanishi focuses on Botany, Oryza sativa, Biochemistry, Gene and Shoot. His Botany study combines topics in areas such as Nicotianamine, Transporter and Cell biology. His work carried out in the field of Oryza sativa brings together such families of science as Genetically modified crops, Biofortification, Nicotianamine synthase and Plant breeding.

The Nicotianamine synthase study combines topics in areas such as Endosperm and Horticulture. His research in Chromosomal translocation, Transcription factor, Transcriptional regulation, Regulation of gene expression and Asparagine are components of Biochemistry. His biological study spans a wide range of topics, including Xylem and Metabolism.

Best Publications

Rice plants take up iron as an Fe3+-phytosiderophore and as Fe2+.

Yasuhiro Ishimaru;Motofumi Suzuki;Takashi Tsukamoto;Kazumasa Suzuki

937
Citations
OsYSL2 is a rice metal-nicotianamine transporter that is regulated by iron and expressed in the phloem.

Shintaro Koike;Haruhiko Inoue;Daichi Mizuno;Michiko Takahashi

672
Citations
The OsHMA2 transporter is involved in root‐to‐shoot translocation of Zn and Cd in rice

Ryuichi Takahashi;Yasuhiro Ishimaru;Yasuhiro Ishimaru;Hugo Shimo;Yuko Ogo

651
Citations
Rice OsYSL15 is an iron-regulated iron(III)-deoxymugineic acid transporter expressed in the roots and is essential for iron uptake in early growth of the seedlings

Haruhiko Inoue;Takanori Kobayashi;Tomoko Nozoye;Michiko Takahashi

644
Citations
The OsNRAMP1 iron transporter is involved in Cd accumulation in rice

Ryuichi Takahashi;Yasuhiro Ishimaru;Takeshi Senoura;Hugo Shimo

632
Citations
Phytosiderophore efflux transporters are crucial for iron acquisition in graminaceous plants

Tomoko Nozoye;Seiji Nagasaka;Takanori Kobayashi;Michiko Takahashi

629
Citations
Ion-beam irradiation, gene identification, and marker-assisted breeding in the development of low-cadmium rice

Satoru Ishikawa;Yasuhiro Ishimaru;Yasuhiro Ishimaru;Masato Igura;Masato Kuramata

581
Citations
Characterizing the role of rice NRAMP5 in Manganese, Iron and Cadmium Transport

Yasuhiro Ishimaru;Yasuhiro Ishimaru;Ryuichi Takahashi;Khurram Bashir;Hugo Shimo

581
Citations
Iron deficiency enhances cadmium uptake and translocation mediated by the Fe2+ transporters OsIRT1 and OsIRT2 in rice

Hiromi Nakanishi;Ippei Ogawa;Yasuhiro Ishimaru;Satoshi Mori

573
Citations
Cloning of nicotianamine synthase genes, novel genes involved in the biosynthesis of phytosiderophores.

Kyoko Higuchi;Kazuya Suzuki;Hiromi Nakanishi;Hirotaka Yamaguchi

534
Citations
Rice metal-nicotianamine transporter, OsYSL2, is required for the long-distance transport of iron and manganese.

Yasuhiro Ishimaru;Hiroshi Masuda;Khurram Bashir;Haruhiko Inoue

494
Citations
Enhanced tolerance of rice to low iron availability in alkaline soils using barley nicotianamine aminotransferase genes.

Michiko Takahashi;Hiromi Nakanishi;Shinji Kawasaki;Naoko K. Nishizawa

465
Citations
Three rice nicotianamine synthase genes, OsNAS1, OsNAS2, and OsNAS3 are expressed in cells involved in long-distance transport of iron and differentially regulated by iron

Haruhiko Inoue;Kyoko Higuchi;Michiko Takahashi;Hiromi Nakanishi

464
Citations
OsZIP4, a novel zinc-regulated zinc transporter in rice

Yasuhiro Ishimaru;Motofumi Suzuki;Takanori Kobayashi;Michiko Takahashi

428
Citations
The rice bHLH protein OsIRO2 is an essential regulator of the genes involved in Fe uptake under Fe‐deficient conditions

Yuko Ogo;Reiko Nakanishi Itai;Hiromi Nakanishi;Takanori Kobayashi

400
Citations
Cloning an iron‐regulated metal transporter from rice

Naimatullah Bughio;Hirotaka Yamaguchi;Naoko K. Nishizawa;Hiromi Nakanishi

399
Citations
Cloning and Characterization of Deoxymugineic Acid Synthase Genes from Graminaceous Plants

Khurram Bashir;Haruhiko Inoue;Seiji Nagasaka;Michiko Takahashi

391
Citations
Biofortified indica rice attains iron and zinc nutrition dietary targets in the field.

Kurniawan R Trijatmiko;Conrado Duenas;Nikolaos Tsakirpaloglou;Lina Torrizo

362
Citations
Cloning two genes for nicotianamine aminotransferase, a critical enzyme in iron acquisition (Strategy II) in graminaceous plants.

Michiko Takahashi;Hirotaka Yamaguchi;Hiromi Nakanishi;Takayuki Shioiri

351
Citations
Biosynthesis and secretion of mugineic acid family phytosiderophores in zinc-deficient barley.

Motofumi Suzuki;Michiko Takahashi;Takashi Tsukamoto;Satoshi Watanabe

315
Citations
Characterizing the role of rice NRAMP5 in Manganese, Iron and Cadmium

Transport Ishimaru;Ryuichi Takahashi;Khurram Bashir;Hugo Shimo

7
Citations