World's Best Scientists 2026 revealed!

D-Index & Metrics

Genetics

D-Index
51
Citations
8129
World Ranking
3873
National Ranking
1673

Roel M. Schaaper publication distribution in Genetics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Genetics in 2026. The highlighted bar marks where Roel M. Schaaper sits on this spectrum.

45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45 publications 703+

This scientist: 126 publications — 19th percentile

19% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

Roel M. Schaaper D-index placement in Genetics in 2026

The chart shows the D-index (discipline H-index) distribution of Genetics scientists ranked by Research.com in 2026. The highlighted bar marks where Roel M. Schaaper sits on this spectrum.

40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40 D-Index 160+

This scientist: 51 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 160 D-Index or more.

Overview

Roel M. Schaaper is affiliated with the National Institutes of Health in the United States. Their research primarily spans the field of Biochemistry, Genetics and Molecular Biology, with significant contributions to Molecular Biology, Genetics, Structural Biology, Surfaces, Coatings and Films, and Radiation.

The scientist's work covers several main research topics including:

  • Advanced Electron Microscopy Techniques and Applications
  • DNA Repair Mechanisms
  • Electron and X-Ray Spectroscopy Techniques
  • Advanced X-ray Imaging Techniques
  • Bacterial Genetics and Biotechnology
  • Bacteriophages and microbial interactions
  • Evolution and Genetic Dynamics

Roel M. Schaaper has authored or co-authored multiple papers published in recognized scientific venues. Selected recent publications include:

  • "Beam image-shift accelerated data acquisition for near-atomic resolution single-particle cryo-electron tomography," 2021, Nature Communications
  • "Complete Genome Sequence of Escherichia coli BL21-AI," 2020, Microbiology Resource Announcements
  • "Beam image-shift accelerated data acquisition for near-atomic resolution single-particle cryo-electron tomography," 2020, bioRxiv (Cold Spring Harbor Laboratory)
  • "High-resolution structures of the SAMHD1 dGTPase homolog from Leeuwenhoekiella blandensis reveal a novel mechanism of allosteric activation by dATP," 2022, Journal of Biological Chemistry
  • "Mechanism by which T7 bacteriophage protein Gp1.2 inhibits Escherichia coli dGTPase," 2022, Proceedings of the National Academy of Sciences

The frequent co-authors collaborating with Roel M. Schaaper include:

  • Bradley P. Klemm
  • Mario J. Borgnia
  • Andrew P. Sikkema
  • Jonathan Bouvette
  • Hsuan-Fu Liu

The scientist's research has appeared multiple times in publication venues such as bioRxiv (Cold Spring Harbor Laboratory), Nature Communications, Microbiology Resource Announcements, Journal of Biological Chemistry, and Proceedings of the National Academy of Sciences.

Best Publications

  • Base selection, proofreading, and mismatch repair during DNA replication in Escherichia coli.

    R M Schaaper

  • Infidelity of DNA synthesis associated with bypass of apurinic sites

    Roeland M. Schaaper;Thomas A. Kunkel;Lawrence A. Loeb

  • Spectra of spontaneous mutations in Escherichia coli strains defective in mismatch correction: the nature of in vivo DNA replication errors.

    Roel M. Schaaper;Ronnie L. Dunn

  • Mechanisms of spontaneous mutagenesis: An analysis of the spectrum of spontaneous mutation in the Escherichia coli lacI gene

    Roel M. Schaaper;Bryan N. Danforth;Barry W. Glickman

  • Mechanisms of mutagenesis in the Escherichia coli mutator mutD5: role of DNA mismatch repair.

    Roel M. Schaaper

  • Spontaneous mutation in the Escherichia coli lacI gene.

    R M Schaaper;R L Dunn

  • Mutants in the Exo I motif of Escherichia coli dnaQ: defective proofreading and inviability due to error catastrophe

    Iwona J. Fijalkowska;Roel M. Schaaper

  • Depurination causes mutations in SOS-induced cells.

    Roeland M. Schaaper;Lawrence A. Loeb

  • Unequal fidelity of leading strand and lagging strand DNA replication on the Escherichia coli chromosome

    Iwona J. Fijalkowska;Piotr Jonczyk;Magdalena Maliszewska Tkaczyk;Malgorzata Bialoskorska

  • The extreme mutator effect of Escherichia coli mutD5 results from saturation of mismatch repair by excessive DNA replication errors.

    R M Schaaper;M Radman

  • DNA replication fidelity in Escherichia coli: a multi‐DNA polymerase affair

    Iwona J. Fijalkowska;Roel M. Schaaper;Piotr Jonczyk

  • Depurination-induced infidelity of deoxyribonucleic acid synthesis with purified deoxyribonucleic acid replication proteins in vitro.

    Thomas A. Kunkel;Roeland M. Schaaper;Lawrence A. Loeb

  • Mechanisms of ultraviolet-induced mutation. Mutational spectra in the Escherichia coli lacI gene for a wild-type and an excision-repair-deficient strain.

    Roel M. Schaaper;Ronnie L. Dunn;Barry W. Glickman

  • Interactions among the Escherichia coli mutT, mutM, and mutY damage prevention pathways.

    Robert G. Fowler;Steven J. White;Carol Koyama;Sean C. Moore

  • Genetic requirements and mutational specificity of the Escherichia coli SOS mutator activity.

    Iwona J. Fijalkowska;Ronnie L. Dunn;Roel M. Schaaper

  • Rapid repeated cloning of mutant lac repressor genes.

    Roel M. Schaaper;Bryan N. Danforth;Barry W. Glickman

  • On the fidelity of DNA replication. Effect of the next nucleotide on proofreading.

    T A Kunkel;R M Schaaper;R A Beckman;L A Loeb

  • Mutants of Escherichia coli with increased fidelity of DNA replication.

    I J Fijalkowska;R L Dunn;R M Schaaper

  • The C-C (6-4) UV photoproduct is mutagenic in Escherichia coli

    Barry W. Glickman;Roel M. Schaaper;William A. Haseltine;Ronnie L. Dunn

  • Transcription-repair coupling determines the strandedness of ultraviolet mutagenesis in Escherichia coli

    Adriana R. Oller;Iwona J. Fijalkowska;Ronnie L. Dunn;Roel M. Schaaper

Frequent Co-Authors

Barry W. Glickman
Barry W. Glickman University of Victoria
Youri I. Pavlov
Youri I. Pavlov University of Nebraska Medical Center
Robert E. London
Robert E. London National Institutes of Health
David M. DeMarini
David M. DeMarini Environmental Protection Agency
Thomas A. Kunkel
Thomas A. Kunkel National Institutes of Health
Lawrence A. Loeb
Lawrence A. Loeb University of Washington
Igor B. Rogozin
Igor B. Rogozin National Institutes of Health
Steffen Porwollik
Steffen Porwollik APEX Think Consulting
Charles S. McHenry
Charles S. McHenry University of Colorado Boulder
Michael McClelland
Michael McClelland University of California, Irvine

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