World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
70
Citations
13785
World Ranking
7173
National Ranking
3291

Chemistry

D-Index
66
Citations
11767
World Ranking
7499
National Ranking
2195

Roy H. Doi 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 Roy H. Doi 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: 251 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Roy H. Doi 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 Roy H. Doi 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: 70 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2006 - Member of the National Academy of Sciences
  • 1988 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Roy H. Doi was affiliated with the University of California, Davis in the United States during their academic career. Their contributions to scientific research were recognized through several honors.

Doi was elected a Member of the National Academy of Sciences in 2006. In addition, they were named a Fellow of the American Association for the Advancement of Science (AAAS) in 1988.

There is no specific information available on their recent papers, frequent co-authors, or publication venues. Similarly, details on their main fields of study, subfields, and primary research topics have not been provided. Likewise, there is no record of book publications linked to this individual.

The academic profile of Roy H. Doi reflects a career acknowledged by prestigious scientific organizations, though detailed documentation of their research output and thematic focus is not present in the available data.

Best Publications

  • Cellulosomes: plant-cell-wall-degrading enzyme complexes

    Roy H. Doi;Akihiko Kosugi

  • The Stability of Messenger Ribonucleic Acid during Sporulation in Bacillus subtilis

    T.J. Leighton;Roy H. Doi

  • Construction of a Bacillus subtilis double mutant deficient in extracellular alkaline and neutral proteases

    Unknown

  • Cellulose binding domain

    Oded Shoseyov;Itai Shpiegl;Marc A. Goldstein;Roy H. Doi

  • Verification of oxytetracycline-resistant American foulbrood pathogen Paenibacillus larvae in the United States.

    Tomoko Miyagi;Christine Y.S. Peng;Ronald Y. Chuang;Eric C. Mussen

  • Prokaryotic promoters in biotechnology.

    Marc A. Goldstein;Roy H. Doi

  • Cellulases of mesophilic microorganisms: cellulosome and noncellulosome producers.

    Roy H. Doi

  • Primary sequence analysis of Clostridium cellulovorans cellulose binding protein A.

    O Shoseyov;M Takagi;M A Goldstein;R H Doi

  • Cellulosomes from mesophilic bacteria

    Roy H. Doi;Akihiko Kosugi;Koichiro Murashima;Yutaka Tamaru

  • Characterization of the cellulose-binding domain of the Clostridium cellulovorans cellulose-binding protein A.

    M A Goldstein;M Takagi;S Hashida;O Shoseyov

  • Essential 170-kDa subunit for degradation of crystalline cellulose by Clostridium cellulovorans cellulase.

    Oded Shoseyov;Roy H. Doi

  • The subtilisin E gene of Bacillus subtilis is transcribed from a sigma-37 promoter in vivo

    Sui-Lam Wong;Chester W. Price;David S. Goldfarb;Roy H. Doi

  • Overlapping promoters transcribed by bacillus subtilis sigma 55 and sigma 37 RNA polymerase holoenzymes during growth and stationary phases.

    Unknown

  • Heterologous Production of Clostridium cellulovorans engB, Using Protease-Deficient Bacillus subtilis, and Preparation of Active Recombinant Cellulosomes

    Koichiro Murashima;Chyi-Liang Chen;Akihiko Kosugi;Yutaka Tamaru

  • Interactions of opioid and chemokine receptors: oligomerization of mu, kappa, and delta with CCR5 on immune cells.

    Shunji Suzuki;Linda F. Chuang;Peter Yau;Roy H. Doi

  • Degradation of corn fiber by Clostridium cellulovorans cellulases and hemicellulases and contribution of scaffolding protein CbpA.

    Roger Koukiekolo;Hee-Yeon Cho;Akihiko Kosugi;Masayuki Inui

  • Synergistic Effects of Cellulosomal Xylanase and Cellulases from Clostridium cellulovorans on Plant Cell Wall Degradation

    Koichiro Murashima;Akihiko Kosugi;Roy H. Doi

  • The relationship of serine protease activity to RNA polymerase modification and sporulation in Bacillus subtilis.

    Unknown

  • The Clostridium cellulovorans cellulosome: an enzyme complex with plant cell wall degrading activity

    Roy H. Doi;Yutaka Tamaru

  • Synergistic Effects on Crystalline Cellulose Degradation between Cellulosomal Cellulases from Clostridium cellulovorans

    Koichiro Murashima;Akihiko Kosugi;Roy H. Doi

  • The Clostridium cellulovorans cellulosome

    Roy H. Doi;Marc Goldstein;Seiichi Hashida;Jae-Seon Park

  • Morphine Induces Gene Expression of CCR5 in Human CEM x174 Lymphocytes

    Tomoko Miyagi;Linda F. Chuang;Roy H. Doi;Maria P. Carlos

  • Pectate lyase A, an enzymatic subunit of the Clostridium cellulovorans cellulosome

    Yutaka Tamaru;Roy H. Doi

  • Sporulation and Germination

    Roy H. Doi

Frequent Co-Authors

Oded Shoseyov
Oded Shoseyov Hebrew University of Jerusalem
Masayuki Inui
Masayuki Inui Nara Institute of Science and Technology
Hideaki Yukawa
Hideaki Yukawa Mitsubishi Group (Japan)
Bennie Osburn
Bennie Osburn University of California, Davis
Mitsuyoshi Ueda
Mitsuyoshi Ueda Kyoto University
Chester W. Price
Chester W. Price University of California, Davis
Harlyn O. Halvorson
Harlyn O. Halvorson Brandeis University
Raymond L. Rodriguez
Raymond L. Rodriguez University of California, Davis
Valerie M. Williamson
Valerie M. Williamson University of California, Davis
Xiao-Song He
Xiao-Song He University of California, Davis

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