World's Best Scientists 2026 revealed!

D-Index & Metrics

Genetics

D-Index
87
Citations
127431
World Ranking
1184
National Ranking
567

Alejandro A. Schäffer 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 Alejandro A. Schäffer 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: 461 publications — 92nd percentile

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

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

Alejandro A. Schäffer 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 Alejandro A. Schäffer 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: 87 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Overview

Alejandro A. Schäffer is affiliated with the National Institutes of Health in the United States. Their research portfolio spans multiple key areas, primarily within biochemistry, genetics, molecular biology, and medicine. The scientist's work engages deeply with molecular biology and oncology, with significant contributions in genetics and immunology as well.

Schäffer's main topics of study include cancer genomics and diagnostics, single-cell and spatial transcriptomics, cancer immunotherapy and biomarkers, CAR-T cell therapy research, as well as SARS-CoV-2 and COVID-19 research and clinical studies. Additionally, they have explored epigenetics and DNA methylation.

The scientist has published in a range of frequent venues, including:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Faculty Opinions - Post-Publication Peer Review of the Biomedical Literature
  • Cancer Research
  • Nature Communications
  • Zenodo (CERN European Organization for Nuclear Research)

Notable recent papers authored or co-authored by Alejandro A. Schäffer include:

  • Large-Scale Study of Antibody Titer Decay following BNT162b2 mRNA Vaccine or SARS-CoV-2 Infection, 2021, Vaccines
  • Elapsed time since BNT162b2 vaccine and risk of SARS-CoV-2 infection: test negative design study, 2021, BMJ
  • Large-scale study of antibody titer decay following BNT162b2 mRNA vaccine or SARS-CoV-2 infection, 2021, bioRxiv (Cold Spring Harbor Laboratory)
  • The tumour microenvironment shapes innate lymphoid cells in patients with hepatocellular carcinoma, 2021, Gut
  • VADR: validation and annotation of virus sequence submissions to GenBank, 2020, BMC Bioinformatics

Frequent co-authors in Schäffer's collaborations include:

  • Eytan Ruppin
  • Sanju Sinha
  • E. Michael Gertz
  • Kenneth Aldape

Best Publications

  • Gapped BLAST and PSI-BLAST: a new generation of protein database search programs.

    Stephen F. Altschul;Thomas L. Madden;Alejandro A. Schäffer;Jinghui Zhang

  • Inflammatory bowel disease and mutations affecting the interleukin-10 receptor.

    Erik-Oliver Glocker;Daniel Kotlarz;Kaan Boztug;E. Michael Gertz

  • Improving the accuracy of PSI-BLAST protein database searches with composition-based statistics and other refinements

    Alejandro A. Schäffer;L. Aravind;Thomas L. Madden;Sergei Shavirin

  • Faster sequential genetic linkage computations.

    R W Cottingham;R M Idury;A A Schäffer

  • STAT3 Mutations in the Hyper-IgE Syndrome

    Steven M. Holland;Frank R. DeLeo;Houda Z. Elloumi;Amy P. Hsu

  • Database indexing for production MegaBLAST searches

    Aleksandr Morgulis;George Coulouris;Yan Raytselis;Thomas L. Madden

  • Protein database searches using compositionally adjusted substitution matrices

    Stephen F. Altschul;John C. Wootton;E. Michael Gertz;Richa Agarwala

  • Mapping of a Gene for Parkinson's Disease to Chromosome 4q21-q23

    Mihael H. Polymeropoulos;Joseph J. Higgins;Lawrence I. Golbe;William G. Johnson

  • A Homozygous CARD9 Mutation in a Family with Susceptibility to Fungal Infections

    Erik-Oliver Glocker;Andre Hennigs;Mohammad Nabavi;Alejandro A. Schäffer

  • Autosomal dominant immune dysregulation syndrome in humans with CTLA4 mutations.

    Desireé Schubert;Desireé Schubert;Claudia Bode;Rupert Kenefeck;Tie Zheng Hou

  • Domain enhanced lookup time accelerated BLAST.

    Grzegorz M Boratyn;Alejandro A Schäffer;Richa Agarwala;Stephen F Altschul

  • Avoiding Recomputation in Linkage Analysis

    Alejandro A. Schäffer;Sandeep K. Gupta;K. Shriram;Robert W. Cottingham

  • Mutations in TNFRSF13B encoding TACI are associated with common variable immunodeficiency in humans

    U Salzer;H M Chapel;A D B Webster;Q Pan-Hammarström

  • A Fast and Symmetric DUST Implementation to Mask Low-Complexity DNA Sequences

    Aleksandr Morgulis;E. Michael Gertz;Alejandro A. Schäffer;Richa Agarwala

  • Deleterious Mutations in LRBA Are Associated with a Syndrome of Immune Deficiency and Autoimmunity

    Gabriela Lopez-Herrera;Giacomo Tampella;Qiang Pan-Hammarström;Peer Herholz

  • HAX1 deficiency causes autosomal recessive severe congenital neutropenia (Kostmann disease)

    Christoph Klein;Magda Grudzien;Giridharan Appaswamy;Manuela Germeshausen

  • A genetic linkage map of microsatellites in the domestic cat (Felis catus).

    Marilyn Menotti-Raymond;Victor A. David;Leslie A. Lyons;Alejandro A. Schäffer

  • Localization of a gene for an autosomal recessive form of juvenile Parkinsonism to chromosome 6q25.2-27

    H Matsumine;M Saito;S Shimoda-Matsubayashi;H Tanaka

  • Genetic Heterogeneity and Clonal Evolution Underlying Development of Asynchronous Metastasis in Human Breast Cancer

    Tuula Kuukasjärvi;Ritva Karhu;Minna Tanner;Marketta Kähkönen

  • Genetic Linkage of Hyper-IgE Syndrome to Chromosome 4

    Bodo Grimbacher;Alejandro A. Schäffer;Steven M. Holland;Joie Davis

Frequent Co-Authors

Bodo Grimbacher
Bodo Grimbacher University of Freiburg
Thomas Ried
Thomas Ried National Institutes of Health
Dietmar Pfeifer
Dietmar Pfeifer University of Freiburg
Eytan Ruppin
Eytan Ruppin National Institutes of Health
Ulrich Salzer
Ulrich Salzer University of Freiburg
Stephen J. O'Brien
Stephen J. O'Brien Nova Southeastern University
Leslie G. Biesecker
Leslie G. Biesecker National Institutes of Health
Alan R. Shuldiner
Alan R. Shuldiner University of Maryland, Baltimore
William J. Murphy
William J. Murphy Texas A&M University
Nima Rezaei
Nima Rezaei Tehran University of Medical Sciences

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