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Bryan R. Cullen

Bryan R. Cullen

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Microbiology
USA
2026
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Molecular Biology
USA
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 143 45 42 23 20 381 71407
Medicine 143 1519 1406 881 805 379 71371
Molecular Biology 142 113 99 74 65 368 70913

Bryan R. Cullen publications per year

The chart shows the history of publications by Bryan R. Cullen between 1976 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Bryan R. Cullen published across 50 years, from 1976 to 2025, averaging 7.7 papers a year. Output peaked at 20 publications in 1991. 1 of the 383 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1976 to 2025. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 1991. 1976: 2 publications 1977: 0 publications 1978: 1 publication 1979: 0 publications 1980: 4 publications 1981: 1 publication 1982: 1 publication 1983: 2 publications 1984: 1 publication 1985: 5 publications 1986: 4 publications 1987: 6 publications 1988: 11 publications 1989: 12 publications 1990: 12 publications 1991: 20 publications 1992: 16 publications 1993: 11 publications 1994: 10 publications 1995: 6 publications 1996: 9 publications 1997: 7 publications 1998: 15 publications 1999: 14 publications 2000: 11 publications 2001: 6 publications 2002: 12 publications 2003: 14 publications 2004: 10 publications 2005: 14 publications 2006: 16 publications 2007: 10 publications 2008: 5 publications 2009: 6 publications 2010: 13 publications 2011: 9 publications 2012: 3 publications 2013: 12 publications 2014: 15 publications 2015: 13 publications 2016: 1 publication 2017: 10 publications 2018: 6 publications 2019: 7 publications 2020: 6 publications 2021: 7 publications 2022: 2 publications 2023: 4 publications 2024: 0 publications 2025: 1 publication
1976 2025

383 publications in total across all disciplines

View publications per year as a table
Bryan R. Cullen: publications per year, 1976 to 2025
Year Publications
1976 2
1977 0
1978 1
1979 0
1980 4
1981 1
1982 1
1983 2
1984 1
1985 5
1986 4
1987 6
1988 11
1989 12
1990 12
1991 20
1992 16
1993 11
1994 10
1995 6
1996 9
1997 7
1998 15
1999 14
2000 11
2001 6
2002 12
2003 14
2004 10
2005 14
2006 16
2007 10
2008 5
2009 6
2010 13
2011 9
2012 3
2013 12
2014 15
2015 13
2016 1
2017 10
2018 6
2019 7
2020 6
2021 7
2022 2
2023 4
2024 0
2025 1
Total 383
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Bryan R. Cullen publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Bryan R. Cullen sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 375–384 publications, is where this scientist sits. 55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55–64 publications 679+

This scientist: 381 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235
125–134 234
135–144 288
145–154 265
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234
205–214 208
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61 381
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34
455–464 25
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12
565–574 7
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Bryan R. Cullen D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Bryan R. Cullen sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 127+ D-Index, is where this scientist sits. 40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 94 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 143 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162
59 151
60 139
61 123
62 126
63 144
64 109
65 103
66 124
67 112
68 103
69 131
70 94
71 93
72 96
73 92
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77
84 50
85 45
86 42
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95 143
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Research.com Recognitions

  • 2026 - Research.com Microbiology in United States Leader Award
  • 2026 - Research.com Molecular Biology in United States Leader Award
  • 2025 - Research.com Microbiology in United States Leader Award
  • 2025 - Research.com Molecular Biology in United States Leader Award
  • 2024 - Research.com Genetics and Molecular Biology in United States Leader Award
  • 2023 - Research.com Molecular Biology in United States Leader Award
  • 2011 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Bryan R. Cullen is affiliated with Duke University in the United States. Their research spans primarily biochemistry, genetics, and molecular biology, with contributions also within medicine. Key subfields include molecular biology, virology, immunology, cardiology and cardiovascular medicine, and genetics.

The scientist has extensively investigated topics related to RNA research and splicing, RNA modifications and cancer, RNA and protein synthesis mechanisms, HIV research and treatment, viral infections and immunology, T-cell and retrovirus studies, as well as cancer-related molecular mechanisms.

Recent publications demonstrate a focus on RNA biology and viral replication, with papers published from 2020 through 2023. Notable works include:

  • Acetylation of Cytidine Residues Boosts HIV-1 Gene Expression by Increasing Viral RNA Stability, 2020, Cell Host & Microbe
  • Epigenetic and epitranscriptomic regulation of viral replication, 2020, Nature Reviews Microbiology
  • Epitranscriptomic addition of m 6 A regulates HIV-1 RNA stability and alternative splicing, 2021, Genes & Development
  • RNA conformational propensities determine cellular activity, 2023, Nature
  • Probing RNA Conformational Equilibria within the Functional Cellular Context, 2020, Cell Reports

Frequent co-authors collaborating with Bryan R. Cullen include:

  • Hal P. Bogerd
  • Kevin Tsai
  • Laura R. Ganser
  • Hashim M. Al-Hashimi
  • Cecilia Martínez-Campos

The majority of Cullen's publications have appeared in venues such as bioRxiv (Cold Spring Harbor Laboratory), UNC Libraries, Nature, RNA, and Cell Host & Microbe. These platforms reflect a consistent output in molecular biology and virology research.

Professional recognition includes being named a Fellow of the American Association for the Advancement of Science (AAAS) in 2011.

Best Publications

  • Exportin-5 mediates the nuclear export of pre-microRNAs and short hairpin RNAs

    Rui Yi;Yi Qin;Ian G. Macara;Bryan R. Cullen

  • Human microRNAs are processed from capped, polyadenylated transcripts that can also function as mRNAs

    Xuezhong Cai;Curt H. Hagedorn;Bryan R. Cullen

  • The HIV-1 rev trans-activator acts through a structured target sequence to activate nuclear export of unspliced viral mRNA.

    Michael H. Malim;Joachim Hauber;Shu-Yun Le;Jacob V. Maizel

  • MicroRNAs and small interfering RNAs can inhibit mRNA expression by similar mechanisms

    Yan Zeng;Rui Yi;Bryan R. Cullen

  • Both Natural and Designed Micro RNAs Can Inhibit the Expression of Cognate mRNAs When Expressed in Human Cells

    Yan Zeng;Eric J Wagner;Bryan R Cullen;Bryan R Cullen

  • Identification of the envelope V3 loop as the primary determinant of cell tropism in HIV-1

    SS Hwang;TJ Boyle;HK Lyerly;BR Cullen;BR Cullen

  • Use of eukaryotic expression technology in the functional analysis of cloned genes

    Bryan R. Cullen

  • Transcription and Processing of Human microRNA Precursors

    Bryan R. Cullen

  • Functional dissection of the HIV-1 Rev trans-activator—Derivation of a trans-dominant repressor of Rev function

    Michael H. Malim;Sabine Böhnlein;Joachim Hauber;Bryan R. Cullen

  • Secreted placental alkaline phosphatase: a powerful new quantitative indicator of gene expression in eukaryotic cells.

    Joel Berger;Joachim Hauber;Regina Hauber;Reinhard Geiger

  • Trans-activation of human immunodeficiency virus occurs via a bimodal mechanism

    Bryan R. Cullen

  • MicroRNAs expressed by herpes simplex virus 1 during latent infection regulate viral mRNAs

    Jennifer Lin Umbach;Martha F. Kramer;Igor Jurak;Heather W. Karnowski

  • Sequence requirements for micro RNA processing and function in human cells.

    Yan Zeng;Bryan R. Cullen

  • Recognition and cleavage of primary microRNA precursors by the nuclear processing enzyme Drosha.

    Yan Zeng;Rui Yi;Bryan R Cullen;Bryan R Cullen

  • Viruses, microRNAs, and host interactions.

    Rebecca L. Skalsky;Bryan R. Cullen

  • Kaposi's sarcoma-associated herpesvirus expresses an array of viral microRNAs in latently infected cells

    Xuezhong Cai;Shihua Lu;Zhihong Zhang;Carlos M. Gonzalez

  • The imprinted H19 noncoding RNA is a primary microRNA precursor

    Xuezhong Cai;Bryan R. Cullen

  • Novel interleukin-2 receptor subunit detected by cross-linking under high-affinity conditions.

    Michael Sharon;Richard D. Klausner;Bryan R. Cullen;Richard Chizzonite

  • A viral microRNA functions as an orthologue of cellular miR-155

    Eva Gottwein;Neelanjan Mukherjee;Christoph Sachse;Corina Frenzel

  • Epstein-Barr virus microRNAs are evolutionarily conserved and differentially expressed.

    Xuezhong Cai;Alexandra Schäfer;Shihua Lu;John P Bilello

Frequent Co-Authors

Hal P. Bogerd
Hal P. Bogerd Duke University
Michael H. Malim
Michael H. Malim King's College London
Warner C. Greene
Warner C. Greene University of California, San Francisco
Yibin Kang
Yibin Kang Princeton University
Paul D. Bieniasz
Paul D. Bieniasz Rockefeller University
Jacob V. Maizel
Jacob V. Maizel National Institutes of Health
Henri Jacques Delecluse
Henri Jacques Delecluse Grenoble Alpes University
Hashim M. Al-Hashimi
Hashim M. Al-Hashimi Duke University
Uwe Ohler
Uwe Ohler Max Delbrück Center for Molecular Medicine
Ronald Swanstrom
Ronald Swanstrom University of North Carolina at Chapel Hill

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