World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
62
Citations
16054
World Ranking
2844
National Ranking
1132

Timothy J. Johnson 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 Timothy J. Johnson sits on this spectrum.

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: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 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 publications 679+

This scientist: 189 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Timothy J. Johnson 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 Timothy J. Johnson sits on this spectrum.

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: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 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: 93 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: 62 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Overview

Timothy J. Johnson is affiliated with the University of Minnesota in the United States, focusing on research within the fields of Biochemistry, Genetics and Molecular Biology, as well as Agricultural and Biological Sciences. Their work spans a variety of subfields including Food Science, Molecular Biology, Endocrinology, Molecular Medicine, and Animal Science and Zoology.

The researcher has contributed to numerous topics related to microbiology and animal health, with emphasis on:

  • Salmonella and Campylobacter epidemiology
  • Antibiotic Resistance in Bacteria
  • Gut microbiota and health
  • Escherichia coli research studies
  • Animal Nutrition and Physiology
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Probiotics and Fermented Foods

Timothy J. Johnson's recent published papers highlight a strong interest in microbial genetics, epidemiology, and antibiotic resistance. Selected recent papers include:

  • Environmental Spread of Extended Spectrum Beta-Lactamase (ESBL) Producing Escherichia coli and ESBL Genes among Children and Domestic Animals in Ecuador, 2021, published in Environmental Health Perspectives
  • Genomic landscape of multi-drug resistant avian pathogenic Escherichia coli recovered from broilers, 2020, Veterinary Microbiology
  • Prevalence, antibiotic resistance, virulence and genetic diversity of Staphylococcus aureus isolated from bulk tank milk samples of U.S. dairy herds, 2021, BMC Genomics
  • Genomic diversity and molecular epidemiology of Pasteurella multocida, 2021, PLoS ONE
  • Using source-associated mobile genetic elements to identify zoonotic extraintestinal E. coli infections, 2023, One Health

Frequent co-authors contributing to collective research efforts alongside Johnson include Elizabeth A. Miller, Bonnie Weber, Anup Kollanoor Johny, Sally Noll, and Randall S. Singer.

Their work has been published across several frequent venues, notably:

  • Poultry Science
  • Applied and Environmental Microbiology
  • Avian Diseases
  • Microbiology Resource Announcements
  • Frontiers in Microbiology

Best Publications

  • Systematic improvement of amplicon marker gene methods for increased accuracy in microbiome studies

    Daryl M Gohl;Pajau Vangay;John Garbe;Allison MacLean

  • The chicken gastrointestinal microbiome

    Brian B. Oakley;Brian B. Oakley;Hyun S. Lillehoj;Michael H. Kogut;Woo K. Kim

  • Topical capsaicin in humans: parallel loss of epidermal nerve fibers and pain sensation.

    Maria Nolano;Donald A. Simone;Gwen Wendelschafer-Crabb;Timothy Johnson

  • Pathogenomics of the Virulence Plasmids of Escherichia coli

    Timothy J. Johnson;Lisa K. Nolan

  • Comparison of Escherichia coli isolates implicated in human urinary tract infection and avian colibacillosis.

    Kylie E. Rodriguez-Siek;Catherine W. Giddings;Curt Doetkott;Timothy J. Johnson

  • Identification of Minimal Predictors of Avian Pathogenic Escherichia coli Virulence for Use as a Rapid Diagnostic Tool

    Timothy J. Johnson;Yvonne Wannemuehler;Curt Doetkott;Sara J. Johnson

  • Population dynamics of Salmonella enterica serotypes in commercial egg and poultry production.

    Steven L. Foley;Rajesh Nayak;Irene B. Hanning;Timothy J. Johnson

  • The Genome Sequence of Avian Pathogenic Escherichia coli Strain O1:K1:H7 Shares Strong Similarities with Human Extraintestinal Pathogenic E. coli Genomes

    Timothy J. Johnson;Subhashinie Kariyawasam;Yvonne Wannemuehler;Paul M. Mangiamele

  • Captivity humanizes the primate microbiome.

    Jonathan B. Clayton;Pajau Vangay;Hu Huang;Tonya Ward

  • Characterizing the APEC pathotype

    Kylie E. Rodriguez-Siek;Catherine W. Giddings;Curt Doetkott;Timothy J. Johnson

  • Intradermal Injection of Capsaicin in Humans Produces Degeneration and Subsequent Reinnervation of Epidermal Nerve Fibers: Correlation with Sensory Function

    Donald A. Simone;Maria Nolano;Timothy Johnson;Gwen Wendelschafer-Crabb

  • DNA Sequence of a ColV Plasmid and Prevalence of Selected Plasmid-Encoded Virulence Genes among Avian Escherichia coli Strains

    Timothy J. Johnson;Kylie E. Siek;Sara J. Johnson;Lisa K. Nolan

  • Modulations of the Chicken Cecal Microbiome and Metagenome in Response to Anticoccidial and Growth Promoter Treatment

    Jessica L. Danzeisen;Hyeun Bum Kim;Richard E. Isaacson;Zheng Jin Tu

  • Plasmid Replicon Typing of Commensal and Pathogenic Escherichia coli Isolates

    Timothy J. Johnson;Yvonne M. Wannemuehler;Sara J. Johnson;Catherine M. Logue

  • Piglet gut microbial shifts early in life: causes and effects.

    Robin B. Guevarra;Jun Hyung Lee;Sun Hee Lee;Min Jae Seok

  • Salmonella Pathogenicity and Host Adaptation in Chicken-Associated Serovars

    Steven L. Foley;Timothy J. Johnson;Steven C. Ricke;Rajesh Nayak

  • Evolutionary History of the Global Emergence of the Escherichia coli Epidemic Clone ST131

    Nicole Stoesser;Anna E. Sheppard;Louise Pankhurst;Nicola De Maio

  • Comparison of extraintestinal pathogenic Escherichia coli strains from human and avian sources reveals a mixed subset representing potential zoonotic pathogens

    Timothy J. Johnson;Timothy J. Johnson;Yvonne Wannemuehler;Sara J. Johnson;Adam L. Stell

  • Expansion of the IncX plasmid family for improved identification and typing of novel plasmids in drug-resistant Enterobacteriaceae

    Timothy J. Johnson;Eliza M. Bielak;Daniela Fortini;Lars Hestbjerg Hansen

  • Opioid-induced gut microbial disruption and bile dysregulation leads to gut barrier compromise and sustained systemic inflammation

    Santanu Banerjee;Gregory Sindberg;Fuyuan Wang;Jingjing Meng

  • Escherichia coli ST131-H22 as a Foodborne Uropathogen.

    Cindy M. Liu;Cindy M. Liu;Cindy M. Liu;Marc Stegger;Marc Stegger;Maliha Aziz;Maliha Aziz;Timothy J. Johnson

  • Antimicrobial resistance-conferring plasmids with similarity to virulence plasmids from avian pathogenic Escherichia coli strains in Salmonella enterica serovar Kentucky isolates from poultry.

    W. Florian Fricke;Patrick F. McDermott;Mark K. Mammel;Shaohua Zhao

Frequent Co-Authors

Lisa K. Nolan
Lisa K. Nolan University of Georgia
James R. Johnson
James R. Johnson University of Minnesota
Lance B. Price
Lance B. Price George Washington University
Dan Knights
Dan Knights University of Minnesota
Randall S. Singer
Randall S. Singer University of Minnesota
Richard E. Isaacson
Richard E. Isaacson University of Minnesota
Marc Stegger
Marc Stegger Statens Serum Institut
Evgeni V. Sokurenko
Evgeni V. Sokurenko University of Washington
David G. White
David G. White United States Food and Drug Administration
Huaijun Zhou
Huaijun Zhou University of California, Davis

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