World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
88
Citations
33738
World Ranking
745
National Ranking
347

Medicine

D-Index
92
Citations
35714
World Ranking
11195
National Ranking
5755

Phillip I. Tarr 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 Phillip I. Tarr 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: 299 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Phillip I. Tarr 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 Phillip I. Tarr 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: 88 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Overview

Phillip I. Tarr is affiliated with Washington University in St. Louis in the United States. Their research spans multiple fields, with a strong focus on medicine and biochemistry, genetics, and molecular biology. Their published work reflects extensive investigation in infectious diseases, molecular biology, nutrition and dietetics, epidemiology, and pediatrics, perinatology, and child health.

Their recent papers cover a range of topics concerning the gut microbiome, infectious diseases, and pediatric health conditions. Notable publications include:

  • Gut microbiome composition may be an indicator of preclinical Alzheimer's disease (2023, Science Translational Medicine)
  • Alterations of host-gut microbiome interactions in multiple sclerosis (2022, EBioMedicine)
  • A novel histological index for evaluation of environmental enteric dysfunction identifies geographic-specific features of enteropathy among children with suboptimal growth (2020, PLoS Neglected Tropical Diseases)
  • Necrotizing Enterocolitis and the Microbiome: Current Status and Future Directions (2020, The Journal of Infectious Diseases)
  • Longitudinal gut virome analysis identifies specific viral signatures that precede necrotizing enterocolitis onset in preterm infants (2022, Nature Microbiology)

Their most frequent coauthors include:

  • Stephen B. Freedman
  • David Schnadower
  • Carla Hall-Moore
  • I. Malick Ndao
  • Gautam Dantas

Phillip I. Tarr has published prolifically in several key journals, with a noteworthy number of publications appearing in:

  • American Journal of Clinical Nutrition (8 publications)
  • Gastroenterology (4 publications)
  • EBioMedicine (3 publications)
  • The Journal of Infectious Diseases (3 publications)
  • JAMA Pediatrics (3 publications)

Their main fields of study reflect a blend of clinical and molecular approaches:

  • Medicine
  • Biochemistry, Genetics and Molecular Biology

Within these broader fields, subfields covered in their work include:

  • Infectious Diseases
  • Molecular Biology
  • Nutrition and Dietetics
  • Epidemiology
  • Pediatrics, Perinatology and Child Health

The principal research topics emphasize microbial and pediatric health aspects, such as:

  • Viral gastroenteritis research and epidemiology
  • Clostridium difficile and Clostridium perfringens research
  • Gut microbiota and health
  • Infant Nutrition and Health
  • Child Nutrition and Water Access
  • Respiratory viral infections research
  • Escherichia coli research studies

Best Publications

  • Shiga-toxin-producing Escherichia coli and haemolytic uraemic syndrome

    Phillip I Tarr;Carrie A Gordon;Wayne L Chandler

  • Practice Guidelines for the Management of Infectious Diarrhea

    Richard L. Guerrant;Thomas Van Gilder;Ted S. Steiner;Nathan M. Thielman

  • The Risk of the Hemolytic–Uremic Syndrome after Antibiotic Treatment of Escherichia coli O157:H7 Infections

    Craig S. Wong;Srdjan Jelacic;Rebecca L. Habeeb;Sandra L. Watkins

  • A Multistate Outbreak of Escherichia coli O157:H7—Associated Bloody Diarrhea and Hemolytic Uremic Syndrome From Hamburgers: The Washington Experience

    Beth P. Bell;Marcia Goldoft;Patricia M. Griffin;Margaret A. Davis

  • Enterohaemorrhagic Escherichia coli in human medicine

    Helge Karch;Phillip I. Tarr;Martina Bielaszewska

  • Intestinal dysbiosis in preterm infants preceding necrotizing enterocolitis: a systematic review and meta-analysis

    Mohan Pammi;Julia Cope;Phillip I. Tarr;Barbara B. Warner

  • 2017 Infectious Diseases Society of America Clinical Practice Guidelines for the Diagnosis and Management of Infectious Diarrhea.

    Andi L Shane;Rajal K Mody;John A Crump;Phillip I Tarr

  • Early life dynamics of the human gut virome and bacterial microbiome in infants

    Efrem S Lim;Yanjiao Zhou;Guoyan Zhao;Irma K Bauer

  • Biogeography of the ecosystems of the healthy human body

    Yanjiao Zhou;Hongyu Gao;Kathie A Mihindukulasuriya;Patricio S La Rosa

  • Escherichia coli 0157:H7: Clinical, Diagnostic, and Epidemiological Aspects of Human Infection

    Phillip I. Tarr

  • Patterned Progression of Bacterial Populations in the Premature Infant Gut

    Patricio S. La Rosa;Barbara B. Warner;Yanjiao Zhou;George M. Weinstock

  • The prevalence of Escherichia coli O157.H7 in dairy and beef cattle in Washington State.

    D. D. Hancock;T. E. Besser;M. L. Kinsel;P. I. Tarr

  • Development of an enhanced human gastrointestinal epithelial culture system to facilitate patient-based assays

    Kelli L VanDussen;Jeffrey M Marinshaw;Nurmohammad Shaikh;Hiroyuki Miyoshi

  • Toxin genotypes and plasmid profiles as determinants of systemic sequelae in Escherichia coli O157:H7 infections.

    Stephen M. Ostroff;Phillip I. Tarr;Marguerite A. Neill;Jay H. Lewis

  • Gut bacteria dysbiosis and necrotising enterocolitis in very low birthweight infants: a prospective case-control study

    Barbara B Warner;Elena Deych;Yanjiao Zhou;Carla Hall-Moore

  • Developmental dynamics of the preterm infant gut microbiota and antibiotic resistome.

    Molly K. Gibson;Bin Wang;Sara Ahmadi;Carey-Ann D. Burnham

  • Iha: a novel Escherichia coli O157:H7 adherence-conferring molecule encoded on a recently acquired chromosomal Island of conserved structure

    Phillip I. Tarr;Phillip I. Tarr;Sima S. Bilge;James C. Vary;Srdjan Jelacic

  • Metagenomic Analysis of Human Diarrhea: Viral Detection and Discovery

    Stacy R Finkbeiner;Adam F Allred;Phillip I Tarr;Eilleen J Klein

  • A longitudinal study of Escherichia coli O157 in fourteen cattle herds

    D. D. Hancock;T. E. Besser;D. H. Rice;D. E. Herriott

  • Activation of endothelial-leukocyte adhesion molecule 1 (ELAM-1) gene transcription.

    K F Montgomery;L Osborn;C Hession;R Tizard

  • Toxin Genotypes and Plasmid Profiles as Determinants of Systemic Sequelae

    Stephen M. Ostroff;Phillip I. Tarr;Marguerite A. Neill;Jay H. Lewis

Frequent Co-Authors

James R. Johnson
James R. Johnson University of Minnesota
George M. Weinstock
George M. Weinstock The Jackson Laboratory
Helge Karch
Helge Karch University of Münster
Thomas E. Besser
Thomas E. Besser Washington State University
Yanjiao Zhou
Yanjiao Zhou University of Connecticut Health Center
Martina Bielaszewska
Martina Bielaszewska University of Münster
Alexander Mellmann
Alexander Mellmann University of Münster
Steven J. Drews
Steven J. Drews Canadian Blood Services
Gautam Dantas
Gautam Dantas Washington University in St. Louis
Dale D. Hancock
Dale D. Hancock Washington State University

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