World's Best Scientists 2026 revealed!

D-Index & Metrics

Genetics

D-Index
51
Citations
12060
World Ranking
3851
National Ranking
1664

Hannah L. Klein 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 Hannah L. Klein 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: 101 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

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

Hannah L. Klein 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 Hannah L. Klein 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.

Research.com Recognitions

  • 2015 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Hannah L. Klein is affiliated with New York University in the United States. Their research spans multiple domains within biochemistry, genetics, molecular biology, and medicine. The scientist has produced work particularly focused on molecular biology while contributing to intersecting fields such as social psychology, psychiatry and mental health, infectious diseases, and cognitive neuroscience.

Among Klein's primary research topics are dementia and cognitive impairment, Clostridium difficile and Clostridium perfringens research, gut microbiota and health, neuroendocrine regulation and behavior, memory and neural mechanisms, primate behavior and ecology, and DNA repair mechanisms.

Frequent collaborators include Reisa A. Sperling, Dorene M. Rentz, Dylan Kirn, Keith A. Johnson, and Jenessa A. Winston. Their research has been published in notable scientific venues including bioRxiv (Cold Spring Harbor Laboratory), eLife, Alzheimer's & Dementia, Neurology, and the Journal of Veterinary Internal Medicine.

Klein's recent papers illustrate the diversity of their work:

  • Association of Digital Clock Drawing With PET Amyloid and Tau Pathology in Normal Older Adults, 2021, Neurology
  • Developmental stages in microbiota, bile acids, and clostridial species in healthy puppies, 2020, Journal of Veterinary Internal Medicine
  • Subjective Cognitive Decline in a Registry Sample: Relation to Psychiatric History, Loneliness, and Personality, 2022, The Journal of Prevention of Alzheimer's Disease
  • Fecal identification markers impact the feline fecal microbiota, 2023, Frontiers in Veterinary Science
  • Physical activity is associated with increased resting-state functional connectivity in networks predictive of cognitive decline in clinically unimpaired older adults, 2022, Alzheimer's & Dementia Diagnosis Assessment & Disease Monitoring

Hannah L. Klein was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 2015.

Best Publications

  • Mechanism of eukaryotic homologous recombination.

    Joseph San Filippo;Patrick Sung;Hannah Klein

  • Mechanism of homologous recombination: mediators and helicases take on regulatory functions

    Patrick Sung;Hannah Klein

  • Prefoldin, a Chaperone that Delivers Unfolded Proteins to Cytosolic Chaperonin

    Irina E Vainberg;Sally A Lewis;Heidi Rommelaere;Christophe Ampe

  • DNA helicase Srs2 disrupts the Rad51 presynaptic filament

    Lumir Krejci;Stephen Van Komen;Ying Li;Jana Villemain

  • The consequences of Rad51 overexpression for normal and tumor cells.

    Hannah L. Klein

  • Yeast Mph1 helicase dissociates Rad51-made D-loops: implications for crossover control in mitotic recombination

    Rohit Prakash;Dominik Satory;Eloïse Dray;Almas Papusha

  • Intrachromosomal gene conversion in yeast

    Hannah L. Klein;Thomas D. Petes

  • Genetic control of intrachromosomal recombination in Saccharomyces cerevisiae. I. Isolation and genetic characterization of hyper-recombination mutations.

    Andres Aguilera;Hannah L. Klein

  • Yeast Rad54 promotes Rad51-dependent homologous DNA pairing via ATP hydrolysis-driven change in DNA double helix conformation.

    Galina Petukhova;Stephen Van Komen;Sefton Vergano;Hannah Klein

  • RDH54, a RAD54 homologue in Saccharomyces cerevisiae, is required for mitotic diploid-specific recombination and repair and for meiosis.

    Hannah L. Klein

  • The replication checkpoint protects fork stability by releasing transcribed genes from nuclear pores

    Rodrigo Bermejo;Thelma Capra;Rachel Jossen;Arianna Colosio

  • A complex containing RNA polymerase II, Paf1p, Cdc73p, Hpr1p, and Ccr4p plays a role in protein kinase C signaling.

    Meiping Chang;Delores French-Cornay;Hua-ying Fan;Hannah Klein

  • Genetic requirements for RAD51- and RAD54-independent break-induced replication repair of a chromosomal double-strand break.

    Laurence Signon;Anna Malkova;Maria L. Naylor;Hannah Klein

  • Purification and characterization of the SRS2 DNA helicase of the yeast Saccharomyces cerevisiae.

    Lei Rong;H. L. Klein

  • The hyper-gene conversion hpr5-1 mutation of Saccharomyces cerevisiae is an allele of the SRS2/RADH gene.

    Lei Rong;F. Palladino;A. Aguilera;H. L. Klein

  • Mutations in the RNA polymerase II transcription machinery suppress the hyperrecombination mutant hpr1 delta of Saccharomyces cerevisiae.

    Hua-Ying Fan;Kenneth K. Cheng;Hannah L. Klein

  • Promotion of Rad51-dependent D-loop formation by yeast recombination factor Rdh54/Tid1

    Galina Petukhova;Patrick Sung;Hannah Klein

  • Different types of recombination events are controlled by the RAD1 and RAD52 genes of Saccharomyces cerevisiae.

    Hannah L. Klein

  • Genes encoding the major surface glycoprotein in Leishmania are tandemly linked at a single chromosomal locus and are constitutively transcribed.

    Linda L. Button;David G. Russell;Hannah L. Klein;Enrique Medina-Acosta

  • HPR1, a novel yeast gene that prevents intrachromosomal excision recombination, shows carboxy-terminal homology to the Saccharomyces cerevisiae TOP1 gene.

    A Aguilera;H L Klein

Frequent Co-Authors

Patrick Sung
Patrick Sung The University of Texas Health Science Center at San Antonio
Andrés Aguilera
Andrés Aguilera University of Seville
Lumir Krejci
Lumir Krejci Masaryk University
Eric C. Greene
Eric C. Greene Columbia University
James E. Haber
James E. Haber Brandeis University
Lorraine S. Symington
Lorraine S. Symington Columbia University
Kenneth N. Kreuzer
Kenneth N. Kreuzer Duke University
Sue Jinks-Robertson
Sue Jinks-Robertson Duke University
Rodney Rothstein
Rodney Rothstein Columbia University
Michael Lisby
Michael Lisby University of Copenhagen

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