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D-Index & Metrics

Biology and Biochemistry

D-Index
66
Citations
11954
World Ranking
8881
National Ranking
3948

Michael A. Parniak publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Michael A. Parniak sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 197 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Michael A. Parniak D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Michael A. Parniak sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 66 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Michael A. Parniak is a researcher affiliated with the University of Pittsburgh in the United States. Their work primarily focuses on the fields of Medicine and Immunology and Microbiology, with a notable emphasis on Infectious Diseases and Virology. Molecular Biology, Organic Chemistry, and Epidemiology also form part of their research interests.

The scientist's research topics extensively cover HIV/AIDS drug development and treatment, HIV research and treatment, and HIV/AIDS research and interventions. Additional topics include biochemical and molecular research, quinazolinone synthesis and applications, and hepatitis B virus studies.

Michael A. Parniak has contributed to a number of publications, including recent papers such as:

  • HIV-1 Resistance to Islatravir/Tenofovir Combination Therapy in Wild-Type or NRTI-Resistant Strains of Diverse HIV-1 Subtypes, 2023, Viruses
  • HIV-1 resistance to islatravir/tenofovir combination therapy in wild-type or NRTI resistant strains of diverse HIV-1 subtypes, 2023, bioRxiv (Cold Spring Harbor Laboratory)
  • Discovery of Benzisothiazolone Derivatives as Bifunctional Inhibitors of HIV-1 Reverse Transcriptase DNA Polymerase and Ribonuclease H Activities, 2024, Biomolecules
  • Discovery of Benzisothiazolone Derivatives as Bifunctional Inhibitors of HIV-1 Reverse Transcriptase DNA Polymerase and Ribonuclease H Activities, 2024, Preprints.org
  • Broad-Spectrum Anti-HIV Microbicide Activity of the Non-Nucleoside Reverse Transcriptase Inhibitor UC781, 2025, International Journal of Virology and AIDS

Their frequent co-authors include:

  • Maria E. Cilento
  • Hiroaki Mitsuya
  • Philip R. Tedbury
  • Stefan G. Sarafianos
  • Xin Wen

Michael A. Parniak's work appears regularly in publications such as bioRxiv (Cold Spring Harbor Laboratory), Viruses, Biomolecules, Preprints.org, and the International Journal of Virology and AIDS. These venues reflect their active engagement with current research on viral infections and therapeutic interventions.

Best Publications

  • Structure and function of HIV-1 reverse transcriptase: molecular mechanisms of polymerization and inhibition.

    Stefan G. Sarafianos;Bruno Marchand;Kalyan Das;Daniel M. Himmel

  • Phenotypic mechanism of HIV-1 resistance to 3'-azido-3'-deoxythymidine (AZT): increased polymerization processivity and enhanced sensitivity to pyrophosphate of the mutant viral reverse transcriptase.

    Dominique Arion;Neerja Kaushik;Suzanne McCormick;Gadi Borkow

  • Enhanced fidelity of 3TC-selected mutant HIV-1 reverse transcriptase.

    Mark A. Wainberg;William C. Drosopoulos;Horacio Salomon;Mayla Hsu

  • The same mutation that encodes low-level human immunodeficiency virus type 1 resistance to 2',3'-dideoxyinosine and 2',3'-dideoxycytidine confers high-level resistance to the (-) enantiomer of 2',3'-dideoxy-3'-thiacytidine.

    Qing Gao;Zhengxian Gu;M. A. Parniak;J. Cameron

  • Identification of a mutation at codon 65 in the IKKK motif of reverse transcriptase that encodes human immunodeficiency virus resistance to 2',3'-dideoxycytidine and 2',3'-dideoxy-3'-thiacytidine.

    Zhengxian Gu;Qing Gao;H. Fang;H. Salomon

  • Novel mutation in the human immunodeficiency virus type 1 reverse transcriptase gene that encodes cross-resistance to 2',3'-dideoxyinosine and 2',3'-dideoxycytidine.

    Z Gu;Q Gao;X Li;M A Parniak

  • HYBRIDS OF RNA AND ARABINONUCLEIC ACIDS (ANA AND 2'F-ANA) ARE SUBSTRATES OF RIBONUCLEASE H

    M. J. Damha;C. J. Wilds;A. Noronha;I. Brukner

  • Selective inhibition of HIV-1 reverse transcriptase-associated ribonuclease H activity by hydroxylated tropolones

    Scott R. Budihas;Inna Gorshkova;Sergei Gaidamakov;Antony Wamiru

  • The M184V Mutation in the Reverse Transcriptase of Human Immunodeficiency Virus Type 1 Impairs Rescue of Chain-Terminated DNA Synthesis

    Matthias Götte;Dominique Arion;Michael A. Parniak;Mark A. Wainberg;Mark A. Wainberg

  • In vitro selection of variants of human immunodeficiency virus type 1 resistant to 3'-azido-3'-deoxythymidine and 2',3'-dideoxyinosine.

    Qing Gao;Zhengxian Gu;M. A. Parniak;Xuguang Li

  • A fluorescence-based high-throughput screening assay for inhibitors of human immunodeficiency virus-1 reverse transcriptase-associated ribonuclease H activity.

    Michael A Parniak;Kyung-Lyum Min;Scott R Budihas;Stuart F.J Le Grice

  • HIV-1 reverse transcriptase structure with RNase H inhibitor dihydroxy benzoyl naphthyl hydrazone bound at a novel site.

    Daniel M. Himmel;Stefan G. Sarafianos;Stefan G. Sarafianos;Sanjeewa Dharmasena;Mohammed M. Hossain

  • Mechanism of inhibition of HIV-1 infection in vitro by purified extract of Prunella vulgaris.

    Xiao-Jian Yao;Mark A. Wainberg;Mark A. Wainberg;Michael A. Parniak;Michael A. Parniak

  • Chemical barriers to human immunodeficiency virus type 1 (HIV-1) infection: retrovirucidal activity of UC781, a thiocarboxanilide nonnucleoside inhibitor of HIV-1 reverse transcriptase.

    G Borkow;J Barnard;T M Nguyen;A Belmonte

  • Design, synthesis, biochemical, and antiviral evaluations of C6 benzyl and C6 biarylmethyl substituted 2-hydroxylisoquinoline-1,3-diones: dual inhibition against HIV reverse transcriptase-associated RNase H and polymerase with antiviral activities.

    Sanjeev Kumar V. Vernekar;Zheng Liu;Eva Nagy;Lena Miller

  • Molecular mechanisms of HIV-1 resistance to nucleoside reverse transcriptase inhibitors (NRTIs).

    N Sluis-Cremer;D Arion;M A Parniak

  • Human immunodeficiency virus Type 1 nucleocapsid protein (NCp7) directs specific initiation of minus-strand DNA synthesis primed by human tRNA(Lys3) in vitro: studies of viral RNA molecules mutated in regions that flank the primer binding site.

    X Li;Y Quan;E J Arts;Z Li

  • Comparison of deoxyoligonucleotide and tRNA(Lys-3) as primers in an endogenous human immunodeficiency virus-1 in vitro reverse transcription/template-switching reaction.

    E. J. Arts;Xuguang Li;Zhengxian Gu;L. Kleiman

  • Effects of alterations of primer-binding site sequences on human immunodeficiency virus type 1 replication.

    Xuguang Li;Johnson Mak;Eric J. Arts;Zhengxian Gu

  • Genetic Divergence of Human Immunodeficiency Virus Type 1 Ethiopian Clade C Reverse Transcriptase (RT) and Rapid Development of Resistance against Nonnucleoside Inhibitors of RT

    Hugues Loemba;Bluma Brenner;Michael A. Parniak;Shlomo Ma'ayan

Frequent Co-Authors

Mark A. Wainberg
Mark A. Wainberg McGill University
Lawrence Kleiman
Lawrence Kleiman McGill University
Masad J. Damha
Masad J. Damha McGill University
Charles R. Scriver
Charles R. Scriver McGill University
Eric J. Arts
Eric J. Arts University of Western Ontario
Seymour Kaufman
Seymour Kaufman National Institutes of Health
Johnson Mak
Johnson Mak Griffith University
Bluma G. Brenner
Bluma G. Brenner McGill University
Chen Liang
Chen Liang McGill University
Michel J. Tremblay
Michel J. Tremblay Université Laval

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