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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Genetics 48 4068 3840 1752 1644 144 7298

Karen Usdin publications per year

The chart shows the history of publications by Karen Usdin between 1984 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Karen Usdin published across 42 years, from 1984 to 2025, averaging 3.8 papers a year. Output peaked at 13 publications in 2024. 20 of the 161 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1984 to 2025. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2024. 1984: 1 publication 1985: 2 publications 1986: 1 publication 1987: 0 publications 1988: 2 publications 1989: 2 publications 1990: 0 publications 1991: 1 publication 1992: 1 publication 1993: 1 publication 1994: 2 publications 1995: 4 publications 1996: 2 publications 1997: 7 publications 1998: 3 publications 1999: 2 publications 2000: 3 publications 2001: 3 publications 2002: 0 publications 2003: 5 publications 2004: 0 publications 2005: 6 publications 2006: 4 publications 2007: 4 publications 2008: 2 publications 2009: 4 publications 2010: 3 publications 2011: 4 publications 2012: 4 publications 2013: 3 publications 2014: 10 publications 2015: 9 publications 2016: 9 publications 2017: 3 publications 2018: 3 publications 2019: 9 publications 2020: 8 publications 2021: 6 publications 2022: 6 publications 2023: 2 publications 2024: 13 publications 2025: 7 publications
1984 2025

161 publications in total across all disciplines

View publications per year as a table
Karen Usdin: publications per year, 1984 to 2025
Year Publications
1984 1
1985 2
1986 1
1987 0
1988 2
1989 2
1990 0
1991 1
1992 1
1993 1
1994 2
1995 4
1996 2
1997 7
1998 3
1999 2
2000 3
2001 3
2002 0
2003 5
2004 0
2005 6
2006 4
2007 4
2008 2
2009 4
2010 3
2011 4
2012 4
2013 3
2014 10
2015 9
2016 9
2017 3
2018 3
2019 9
2020 8
2021 6
2022 6
2023 2
2024 13
2025 7
Total 161
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Karen Usdin 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 Karen Usdin sits on this spectrum.

No. of scientists
50 100 150 200
Bar chart with 67 bars. Horizontal axis: publications, 45–54 to 703+. Vertical axis: number of scientists, 0 to 217. Most scientists, 217, have 125–134 publications. The last bar groups every scientist with 703 publications or more. The highlighted bar, 135–144 publications, is where this scientist sits. 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
45–54 publications 703+

This scientist: 144 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Genetics scientists by publication count, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
Publications Scientists This scientist
45–54 6
55–64 10
65–74 35
75–84 84
85–94 102
95–104 151
105–114 175
115–124 203
125–134 217
135–144 205 144
145–154 193
155–164 188
165–174 170
175–184 178
185–194 164
195–204 173
205–214 159
215–224 134
225–234 143
235–244 105
245–254 114
255–264 92
265–274 88
275–284 87
285–294 80
295–304 62
305–314 75
315–324 67
325–334 60
335–344 52
345–354 40
355–364 48
365–374 47
375–384 46
385–394 31
395–404 27
405–414 40
415–424 30
425–434 43
435–444 29
445–454 14
455–464 28
465–474 21
475–484 21
485–494 22
495–504 17
505–514 12
515–524 11
525–534 8
535–544 8
545–554 14
555–564 4
565–574 11
575–584 5
585–594 11
595–604 12
605–614 7
615–624 6
625–634 10
635–644 9
645–654 10
655–664 6
665–674 6
675–684 6
685–694 4
695–702 6
703+ 100
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Karen Usdin 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 Karen Usdin sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 160+. Vertical axis: number of scientists, 0 to 191. Most scientists, 191, have 62–63 D-Index. The last bar groups every scientist with 160 D-Index or more. The highlighted bar, 48–49 D-Index, is where this scientist sits. 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
40–41 D-Index 160+

This scientist: 48 D-Index — 8th percentile

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

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

View D-Index distribution as a table
Number of Genetics scientists by D-index, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
D-Index Scientists This scientist
40–41 24
42–43 52
44–45 84
46–47 112
48–49 118 48
50–51 141
52–53 143
54–55 145
56–57 179
58–59 162
60–61 175
62–63 191
64–65 172
66–67 184
68–69 164
70–71 158
72–73 150
74–75 136
76–77 127
78–79 127
80–81 111
82–83 110
84–85 110
86–87 84
88–89 102
90–91 66
92–93 72
94–95 70
96–97 54
98–99 60
100–101 49
102–103 55
104–105 45
106–107 42
108–109 28
110–111 39
112–113 25
114–115 31
116–117 29
118–119 34
120–121 29
122–123 29
124–125 18
126–127 27
128–129 22
130–131 16
132–133 11
134–135 17
136–137 12
138–139 21
140–141 4
142–143 9
144–145 14
146–147 6
148–149 10
150–151 7
152–153 9
154–155 8
156–157 8
158–159 9
160+ 96
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Overview

Karen Usdin is affiliated with the National Institutes of Health in the United States. Their research spans several fields within biochemistry, genetics, molecular biology, and neuroscience, focusing on molecular mechanisms underlying genetic and neurodevelopmental disorders.

The main fields of study for Karen Usdin include:

  • Biochemistry, Genetics and Molecular Biology
  • Neuroscience

Their subfields of study encompass:

  • Molecular Biology
  • Genetics
  • Cellular and Molecular Neuroscience
  • Cognitive Neuroscience
  • Pathology and Forensic Medicine

Research topics addressed in Karen Usdin's work include:

  • Genetics and Neurodevelopmental Disorders
  • Genetic Neurodegenerative Diseases
  • DNA Repair Mechanisms
  • Autism Spectrum Disorder Research
  • Mitochondrial Function and Pathology
  • RNA modifications and cancer
  • Genomic variations and chromosomal abnormalities

They have published numerous articles in various scientific journals, with a frequency concentrated in venues such as:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Scientific Reports
  • International Journal of Molecular Sciences
  • Nucleic Acids Research
  • Genes

Some of the recent publications authored or co-authored by Karen Usdin include:

  • Repeat expansions confer WRN dependence in microsatellite-unstable cancers, 2020, Nature
  • S1-END-seq reveals DNA secondary structures in human cells, 2022, Molecular Cell
  • All three mammalian MutL complexes are required for repeat expansion in a mouse cell model of the Fragile X-related disorders, 2020, PLoS Genetics
  • A point mutation in the nuclease domain of MLH3 eliminates repeat expansions in a mouse stem cell model of the Fragile X-related disorders, 2020, Nucleic Acids Research
  • Modifiers of Somatic Repeat Instability in Mouse Models of Friedreich Ataxia and the Fragile X-Related Disorders: Implications for the Mechanism of Somatic Expansion in Huntington's Disease, 2021, Journal of Huntington's Disease

Frequent co-authors collaborating with Karen Usdin include:

  • Bruce E. Hayward
  • Daman Kumari
  • Xiao-Nan Zhao
  • Gabriel Matos-Rodrigues
  • Марек Напиерала

Best Publications

  • The biological effects of simple tandem repeats: Lessons from the repeat expansion diseases

    Karen Usdin

  • CGG repeats associated with DNA instability and chromosome fragility form structures that block DNA synthesis in vitro

    K. Usdin;K. J. Woodford

  • The GAA•TTC triplet repeat expanded in Friedreich’s ataxia impedes transcription elongation by T7 RNA polymerase in a length and supercoil dependent manner

    Ed Grabczyk;Karen Usdin

  • Repeat-induced epigenetic changes in intron 1 of the frataxin gene and its consequences in Friedreich ataxia

    Eriko Greene;Lata Mahishi;Ali Entezam;Daman Kumari

  • Regional FMRP deficits and large repeat expansions into the full mutation range in a new Fragile X premutation mouse model

    Ali Entezam;Rea Biacsi;Bonnie Orrison;Tapas Saha

  • Repeat instability during DNA repair: Insights from model systems.

    Karen Usdin;Nealia C M House;Catherine H Freudenreich

  • The fragile X syndrome repeats form RNA hairpins that do not activate the interferon‐inducible protein kinase, PKR, but are cut by Dicer

    Vaishali Handa;Tapas Saha;Karen Usdin

  • The Development and Use of a DNA Polymerase Arrest Assay for the Evaluation of Parameters Affecting Intrastrand Tetraplex Formation

    M. Neale Weitzmann;Kerry J. Woodford;Karen Usdin

  • DNA repeat expansions and human disease

    K. Usdin;E. Grabczyk

  • Repeat expansions confer WRN dependence in microsatellite-unstable cancers.

    Niek van Wietmarschen;Sriram Sridharan;William J. Nathan;Anthony Tubbs

  • A novel K(+)-dependent DNA synthesis arrest site in a commonly occurring sequence motif in eukaryotes.

    K J Woodford;R M Howell;K Usdin

  • Interaction of the Transcription Factors USF1, USF2, and α-Pal/Nrf-1 with the FMR1 Promoter IMPLICATIONS FOR FRAGILE X MENTAL RETARDATION SYNDROME

    Daman Kumari;Karen Usdin

  • Linear plasmid vector for cloning of repetitive or unstable sequences in Escherichia coli

    Ronald Godiska;David Mead;Vinay Dhodda;Chengcang Wu

  • NGG-triplet repeats form similar intrastrand structures: implications for the triplet expansion diseases

    K. Usdin

  • Repeat Expansion Affects Both Transcription Initiation and Elongation in Friedreich Ataxia Cells

    Daman Kumari;Rea Erika Biacsi;Karen Usdin

  • A mouse model of the fragile X premutation: effects on behavior, dendrite morphology, and regional rates of cerebral protein synthesis

    Mei Qin;Ali Entezam;Karen Usdin;Tianjian Huang

  • SIRT1 inhibition alleviates gene silencing in Fragile X mental retardation syndrome.

    Rea Biacsi;Daman Kumari;Karen Usdin

  • The distribution of repressive histone modifications on silenced FMR1 alleles provides clues to the mechanism of gene silencing in Fragile X syndrome

    Daman Kumari;Karen Usdin

  • The mismatch repair protein MSH2 is rate limiting for repeat expansion in a fragile X premutation mouse model.

    Rachel Adihe Lokanga;Rachel Adihe Lokanga;Xiao-Nan Zhao;Karen Usdin

  • DNA Secondary Structures and the Evolution of Hypervariable Tandem Arrays

    Kerry J. Woodford;Karen Usdin;M. Neale Weitzmann

Frequent Co-Authors

Gloria E. Hoffman
Gloria E. Hoffman Morgan State University
Rob Willemsen
Rob Willemsen Erasmus University Rotterdam
Michael Fry
Michael Fry Technion – Israel Institute of Technology
Flora Tassone
Flora Tassone University of California, Davis
William M. Bonner
William M. Bonner National Institutes of Health
Cecilia R Giulivi
Cecilia R Giulivi University of California, Davis
Michael A. Sutton
Michael A. Sutton University of Michigan–Ann Arbor
Stephanie L. Sherman
Stephanie L. Sherman Emory University
Robert L. Nussbaum
Robert L. Nussbaum University of California, San Francisco
Paul S. Meltzer
Paul S. Meltzer National Institutes of Health

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