World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
98
Citations
84306
World Ranking
1622
National Ranking
903

Keith A. Crandall 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 Keith A. Crandall 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: 440 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Keith A. Crandall 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 Keith A. Crandall 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: 98 D-Index — 92nd percentile

92% 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

  • 2013 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Keith A. Crandall is affiliated with George Washington University in the United States. Their research spans multiple fields and subfields primarily within medicine and biochemistry, genetics, and molecular biology. The scientist's work frequently addresses topics related to gut microbiota and health, genomics and phylogenetic studies, as well as infectious diseases including SARS-CoV-2, COVID-19 clinical research, and HIV research and treatment.

Their scientific contributions include publications in the following venues, reflecting a focus on high-impact and specialized journals:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Scientific Reports
  • Gastroenterology
  • Frontiers in Microbiology
  • Cancer Research

Notable recent papers authored or co-authored by the scientist include:

  • "The Earth BioGenome Project 2020: Starting the clock" (2022), published in Proceedings of the National Academy of Sciences
  • "Genome-wide analysis of SARS-CoV-2 virus strains circulating worldwide implicates heterogeneity" (2020), published in Scientific Reports
  • "The Cancer Microbiome: Distinguishing Direct and Indirect Effects Requires a Systemic View" (2020), published in Trends in Cancer
  • "One-quarter of freshwater fauna threatened with extinction" (2025), published in Nature
  • "Associations between HIV infection and clinical spectrum of COVID-19: a population level analysis based on US National COVID Cohort Collaborative (N3C) data" (2021), published in The Lancet HIV

The scientist collaborates regularly with several researchers who appear frequently as co-authors:

  • Marcos Pérez-Losada (26 joint publications)
  • Ali Rahnavard (20 joint publications)
  • Lopa Mishra (15 joint publications)
  • Krishanu Bhowmick (12 joint publications)
  • M. Nazmul Hoque (11 joint publications)

Keith A. Crandall's subfields of study show a varied interest across molecular biology, ecology, infectious diseases, epidemiology, and plant science. Their research topics reflect an integration of genetic analyses and ecosystem concerns, as well as clinical investigations into viral infections and microbiome dynamics.

The scientist was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 2013, acknowledging a level of professional distinction within the scientific community.

Best Publications

  • MODELTEST: testing the model of DNA substitution.

    David Posada;Keith A. Crandall

  • TCS: a computer program to estimate gene genealogies.

    M. Clement;D. Posada;K. A. Crandall

  • A cladistic analysis of phenotypic associations with haplotypes inferred from restriction endonuclease mapping and DNA sequence data. III. Cladogram estimation.

    Alan R. Templeton;Keith A. Crandall;Charles F. Sing

  • Considering evolutionary processes in conservation biology.

    Keith A. Crandall;Olaf R.P. Bininda-Emonds;Georgina M. Mace;Robert K. Wayne

  • Intraspecific gene genealogies: trees grafting into networks

    David Posada;Keith A. Crandall

  • Evaluation of methods for detecting recombination from DNA sequences: Computer simulations

    David Posada;Keith A. Crandall

  • Phylogeny Estimation and Hypothesis Testing Using Maximum Likelihood

    John P. Huelsenbeck;Keith A. Crandall

  • GeoDis: a program for the cladistic nested analysis of the geographical distribution of genetic haplotypes.

    D. Posada;K. A. Crandall;A. R. Templeton

  • Many species in one: DNA barcoding overestimates the number of species when nuclear mitochondrial pseudogenes are coamplified

    Hojun Song;Jennifer E. Buhay;Michael F. Whiting;Keith A. Crandall

  • A Classification of Living and Fossil Genera of Decapod Crustaceans

    Sammy De Grave;N. Dean Pentcheff;Shane T. Ahyong;Tin-Yam Chan

  • Selecting the best-fit model of nucleotide substitution.

    David Posada;Keith A. Crandall

  • Empirical Tests of Some Predictions from Coalescent Theory with Applications to Intraspecific Phylogeny Reconstruction

    Keith A. Crandall;Alan R. Templeton

  • Earth BioGenome Project: Sequencing life for the future of life.

    Harris A. Lewin;Gene E. Robinson;W. John Kress;William J. Baker

  • A Modified Bootscan Algorithm for Automated Identification of Recombinant Sequences and Recombination Breakpoints

    D.P. Martin;D. Posada;K.A. Crandall;C. Williamson

  • Synthesis of phylogeny and taxonomy into a comprehensive tree of life

    Cody E. Hinchliff;Stephen A. Smith;James F. Allman;J. Gordon Burleigh

  • The causes and consequences of HIV evolution.

    Andrew Rambaut;David Posada;Keith A. Crandall;Edward C. Holmes

  • The Impact of Species Concept on Biodiversity Studies

    Paul‐Michael Agapow;Olaf R. P. Bininda‐Emonds;Keith A. Crandall;John L. Gittleman

  • Phylogeography's past, present, and future: 10 years after Avise, 2000

    M. J. Hickerson;B. C. Carstens;Jeannine M Cavender-Bares;K. A. Crandall

  • TCS: estimating gene genealogies

    M. Clement;Q. Snell;P. Walke;D. Posada

  • Beyond FST: Analysis of population genetic data for conservation

    Devon E. Pearse;Devon E. Pearse;Keith A. Crandall

Frequent Co-Authors

Marcos Pérez-Losada
Marcos Pérez-Losada George Washington University
David Posada
David Posada Universidade de Vigo
David L. Stern
David L. Stern Howard Hughes Medical Institute
Raphael P. Viscidi
Raphael P. Viscidi Johns Hopkins University
Jesse W. Breinholt
Jesse W. Breinholt Florida Museum of Natural History
Jens T. Høeg
Jens T. Høeg University of Copenhagen
Darryl L. Felder
Darryl L. Felder University of Louisiana at Lafayette
Douglas F. Nixon
Douglas F. Nixon Cornell University
Shane T. Ahyong
Shane T. Ahyong Australian Museum
Carrie E. Schweitzer
Carrie E. Schweitzer Kent State University at Stark

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Graduates of Biology and Biochemistry programs in the USA have diverse career opportunities, especially as the healthcare industry continually evolves. Many students consider advancing their qualifications or choosing alternative roles by pursuing related fields such as medical coding, billing, or health information management.

For those interested in medical coding, understanding the ccs vs cpc salary differences is crucial. Certification type significantly influences earning potential and job roles. Entry into these professions often begins with learning about medical.coder salary expectations and certification requirements, which can vary based on specialty and level of experience.

The medical billing and coding job outlook remains strong, thanks to the increasing demand for accurate healthcare documentation and reimbursement processes. Students aiming for leadership roles may consider degrees in health information management. Those seeking cost-effective options can explore the most affordable online health information management degree programs to maximize career advancement and value.

These pathways offer flexible, rewarding options for biology and biochemistry graduates ready to explore in-demand jobs in healthcare administration.

Best Scientists Citing Keith A. Crandall

Trending Scientists

Recently Published Articles