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Leonard C. Schalkwyk

Leonard C. Schalkwyk

D-Index & Metrics

Genetics

D-Index
72
Citations
21364
World Ranking
2111
National Ranking
264

Leonard C. Schalkwyk 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 Leonard C. Schalkwyk 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: 220 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

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

Leonard C. Schalkwyk 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 Leonard C. Schalkwyk 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: 72 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

Leonard C. Schalkwyk is affiliated with the University of Essex in the United Kingdom. Their research primarily falls within the field of Biochemistry, Genetics and Molecular Biology, with 62 publications contributing to this discipline. Within this broad area, they focus on specialized subfields including Molecular Biology, Genetics, Psychiatry and Mental Health, Pediatrics, Perinatology and Child Health, and Sociology and Political Science.

The central topics of Leonard C. Schalkwyk's work revolve around Epigenetics and DNA Methylation, which accounts for 52 publications. Other significant topics covered include Genetic Syndromes and Imprinting, RNA Modifications and Cancer, Birth, Development, and Health, Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities, Genomics and Chromatin Dynamics, and Intergenerational Family Dynamics and Caregiving.

The scientist has published several recent papers that reflect these interests. These include:

  • Recalibrating the epigenetic clock: implications for assessing biological age in the human cortex (2020, Brain)
  • Full-length transcript sequencing of human and mouse cerebral cortex identifies widespread isoform diversity and alternative splicing (2021, Cell Reports)
  • A meta-analysis of epigenome-wide association studies in Alzheimer's disease highlights novel differentially methylated loci across cortex (2021, Nature Communications)
  • DNA methylation meta-analysis reveals cellular alterations in psychosis and markers of treatment-resistant schizophrenia (2021, eLife)
  • Characterising sex differences of autosomal DNA methylation in whole blood using the Illumina EPIC array (2022, Clinical Epigenetics)

Leonard C. Schalkwyk frequently collaborates with several coauthors who have contributed to multiple publications alongside them. These include Eilís Hannon, Jonathan Mill, Joe Burrage, Emma Dempster, and Meena Kumari.

The scientist's work is often published in several key venues. They have contributed 15 publications to bioRxiv (Cold Spring Harbor Laboratory), as well as multiple papers in European Neuropsychopharmacology (4 publications). In addition to these, they have published in Brain, Cell Reports, and Nature Communications, each with at least one publication.

Best Publications

  • The Collaborative Cross, a community resource for the genetic analysis of complex traits

    Gary A. Churchill;David C. Airey;Hooman Allayee;Joe M. Angel

  • A data-driven approach to preprocessing Illumina 450K methylation array data

    Ruth Pidsley;Chloe C Y Wong;Manuela Volta;Katie Lunnon

  • Alzheimer's disease: early alterations in brain DNA methylation at ANK1, BIN1, RHBDF2 and other loci.

    Philip Lawrence De Jager;Gyan Srivastava;Katie Lunnon;Jeremy Burgess

  • DNA methylation aging clocks: challenges and recommendations

    Christopher G Bell;Robert Lowe;Peter D Adams;Peter D Adams;Andrea A Baccarelli

  • Functional annotation of the human brain methylome identifies tissue-specific epigenetic variation across brain and blood

    Matthew N Davies;Manuela Volta;Ruth Pidsley;Katie Lunnon

  • Methylomic profiling implicates cortical deregulation of ANK1 in Alzheimer's disease

    Katie Lunnon;Rebecca Smith;Eilis Hannon;Philip L De Jager

  • The nature and identification of quantitative trait loci: a community's view.

    Oduola Abiola;Joe M. Angel;Philip Avner;Alexander A. Bachmanov

  • Disease-associated epigenetic changes in monozygotic twins discordant for schizophrenia and bipolar disorder

    Emma L. Dempster;Ruth Pidsley;Leonard C. Schalkwyk;Sheena Owens

  • Moderation of breastfeeding effects on the IQ by genetic variation in fatty acid metabolism

    Avshalom Caspi;Benjamin Williams;Julia Kim-Cohen;Ian W. Craig

  • Genomic and phenotypic insights from an atlas of genetic effects on DNA methylation

    J.L. Min;G. Hemani;E. Hannon;K.F. Dekkers

  • Interindividual methylomic variation across blood, cortex, and cerebellum: implications for epigenetic studies of neurological and neuropsychiatric phenotypes.

    Eilis Hannon;Katie Lunnon;Leonard C Schalkwyk;Jonathan Mill

  • Transformation methods for halophilic archaebacteria.

    S W Cline;W L Lam;R L Charlebois;L C Schalkwyk

  • Methylomic analysis of monozygotic twins discordant for autism spectrum disorder and related behavioural traits

    Chloe Wong;Emma Meaburn;Angelica Ronald;Thomas Price

  • Methylation QTLs in the developing brain and their enrichment in schizophrenia risk loci

    Eilis Hannon;Helen Spiers;Joana Viana;Ruth Pidsley

  • An integrated genetic-epigenetic analysis of schizophrenia : evidence for co-localization of genetic associations and differential DNA methylation

    Eilis Hannon;Emma Dempster;Joana Viana;Joe Burrage

  • Genetic analysis of the mouse brain proteome

    Joachim Klose;Christina Nock;Marion Herrmann;Kai Stühler

  • Methylomic trajectories across human fetal brain development

    Helen Spiers;Eilis Hannon;Leonard C. Schalkwyk;Rebecca Smith

  • High resolution cosmid and P1 maps spanning the 14 Mb genome of the fission yeast S. pombe

    Jörg D. Hoheisel;Elmar Maier;Richard Mott;Linda McCarthy

  • Allelic skewing of DNA methylation is widespread across the genome.

    Leonard C. Schalkwyk;Emma L. Meaburn;Emma L. Meaburn;Rebecca Smith;Emma L. Dempster

  • Alzheimer's disease: early alterations in brain DNA methylation at ANK1, BIN1, RHBDF2 and other loci

    Gyan Srivastava;Katie Lunnon;Jeremy Burgess;Lei Yu

Frequent Co-Authors

Jonathan Mill
Jonathan Mill University of Exeter
Robert Plomin
Robert Plomin King's College London
Ian W. Craig
Ian W. Craig King's College London
Hans Lehrach
Hans Lehrach Max Planck Society
Peter McGuffin
Peter McGuffin King's College London
Rudolf Uher
Rudolf Uher Dalhousie University
Sulev Kõks
Sulev Kõks Perron Institute for Neurological and Translational Science
Heinz Himmelbauer
Heinz Himmelbauer BOKU University
David A. Collier
David A. Collier Eli Lilly (United States)
Meena Kumari
Meena Kumari University of Essex

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