World's Best Scientists 2026 revealed!
Michiko Takahashi

Michiko Takahashi

D-Index & Metrics

Biology and Biochemistry

D-Index
46
Citations
12097
World Ranking
18844
National Ranking
1351

Michiko Takahashi publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Michiko Takahashi sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 78 publications — 1st percentile

1% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Michiko Takahashi D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Michiko Takahashi sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 46 D-Index — 4th percentile

4% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Michiko Takahashi is affiliated with the University of Tokyo in Japan and has a research focus primarily in medicine, with particular attention to subfields including endocrinology, diabetes and metabolism, physiology, oncology, ecology, and pulmonary and respiratory medicine.

The researcher has contributed extensively across several key topics such as bacteriophages and microbial interactions, adrenal hormones and disorders, nutrition and health in aging, growth hormone and insulin-like growth factors, pituitary gland disorders and treatments, hormonal regulation and hypertension, and plant disease resistance and genetics.

Takahashi's publication record includes papers appearing in diverse journals, with frequent venues being the Journal of the Endocrine Society, Research Square, Pediatrics International, PLoS ONE, and The Journal of Clinical Endocrinology & Metabolism. Among recent papers are:

  • Serum Zinc and Selenium in Children with Inflammatory Bowel Disease: A Multicenter Study in Japan (2021, Digestive Diseases and Sciences)
  • A consensus statement on health-care transition for childhood-onset inflammatory bowel disease patients (2022, Pediatrics International)
  • Impact of pH and protein hydrophobicity on norovirus inactivation by heat-denatured lysozyme (2020, PLoS ONE)
  • Fluctuations in plasma adrenocorticotropic hormone concentration may predict the onset of immune checkpoint inhibitor-related hypophysitis (2024, Journal for ImmunoTherapy of Cancer)
  • Frailty and Colorectal Surgery: Review and Concept of Cancer Frailty (2023, Journal of Clinical Medicine)

Frequent co-authors collaborating with Takahashi include Wataru Ogawa, Hironori Bando, Hidenori Fukuoka, Genzo Iguchi, and Shin Urai, indicating active interdisciplinary and collaborative work.

Best Publications

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

    Yasuhiro Ishimaru;Motofumi Suzuki;Takashi Tsukamoto;Kazumasa Suzuki

  • 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

  • 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

  • Phytosiderophore efflux transporters are crucial for iron acquisition in graminaceous plants

    Tomoko Nozoye;Seiji Nagasaka;Takanori Kobayashi;Michiko Takahashi

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

    Yasuhiro Ishimaru;Hiroshi Masuda;Khurram Bashir;Haruhiko Inoue

  • 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

  • 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

  • OsZIP4, a novel zinc-regulated zinc transporter in rice

    Yasuhiro Ishimaru;Motofumi Suzuki;Takanori Kobayashi;Michiko Takahashi

  • 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

  • Cloning and Characterization of Deoxymugineic Acid Synthase Genes from Graminaceous Plants

    Khurram Bashir;Haruhiko Inoue;Seiji Nagasaka;Michiko Takahashi

  • 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

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

    Motofumi Suzuki;Michiko Takahashi;Takashi Tsukamoto;Satoshi Watanabe

  • Iron biofortification in rice by the introduction of multiple genes involved in iron nutrition

    Hiroshi Masuda;Yasuhiro Ishimaru;Yasuhiro Ishimaru;May Sann Aung;Takanori Kobayashi;Takanori Kobayashi

  • Overexpression of the Barley Nicotianamine Synthase Gene HvNAS1 Increases Iron and Zinc Concentrations in Rice Grains

    Hiroshi Masuda;Kanako Usuda;Takanori Kobayashi;Yasuhiro Ishimaru

  • A novel NAC transcription factor, IDEF2, that recognizes the iron deficiency-responsive element 2 regulates the genes involved in iron homeostasis in plants

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

  • Isolation and characterization of IRO2, a novel iron-regulated bHLH transcription factor in graminaceous plants

    Yuko Ogo;Reiko Nakanishi Itai;Hiromi Nakanishi;Haruhiko Inoue

  • The transcription factor IDEF1 regulates the response to and tolerance of iron deficiency in plants

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

  • Increased Nicotianamine Biosynthesis Confers Enhanced Tolerance of High Levels of Metals, in Particular Nickel, to Plants

    Suyeon Kim;Michiko Takahashi;Kyoko Higuchi;Kyoko Tsunoda

  • Expression of iron-acquisition-related genes in iron-deficient rice is co-ordinately induced by partially conserved iron-deficiency-responsive elements

    Takanori Kobayashi;Motofumi Suzuki;Haruhiko Inoue;Reiko Nakanishi Itai

  • Deoxymugineic acid increases Zn translocation in Zn-deficient rice plants

    Motofumi Suzuki;Takashi Tsukamoto;Haruhiko Inoue;Satoshi Watanabe

Frequent Co-Authors

Naoko K. Nishizawa
Naoko K. Nishizawa Ishikawa Prefectural University
Hiromi Nakanishi
Hiromi Nakanishi University of Tokyo
Takanori Kobayashi
Takanori Kobayashi Ishikawa Prefectural University
Yasuhiro Ishimaru
Yasuhiro Ishimaru Tohoku University
Gynheung An
Gynheung An Kyung Hee University
Isomaro Yamaguchi
Isomaro Yamaguchi University of Tokyo
Nobuyuki Uozumi
Nobuyuki Uozumi Tohoku University
Mikio Nakazono
Mikio Nakazono Nagoya University
Hendrik Küpper
Hendrik Küpper Czech Academy of Sciences
Shoshi Kikuchi
Shoshi Kikuchi National Agriculture and Food Research Organization

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