Department of Pediatrics

Education

• BA, Brown University, 1975
• MD, Yale University School of Medicine, 1980

Training

• Intern/Resident, University of Washington School of Medicine/Children's Orthopedic Hospital and Medical Center, 1980 - 1983
• Senior Fellow, University of Washington School of Medicine, 1983 - 1987
• Fellow, University of Washington School of Medicine and Children's Hospital and Medical Center , 1988 - 1989

Licensure and Board Certification

• Pediatrics - ABP , 1984
• Pediatric Gastroenterology - ABP , 1992
• MO, , 2002
• BCS , 2012
• The American Board of Pediatrics (ABP) Maintenance of Certification (MOC) , 2013
• AR, , 2016

Honors

• American Gastroenterological Association/Blackwell Scientific Research Scholar Award, 1992 - 1995
• Food and Drug Administration Commissioner's Special Citation, 1997 - 1997
• Melvin E. Carnahan Professor of Pediatrics, Endowed Chair, 2004 - Pres

Recent Publications view all (182)

Publication Co-Authors

James Kemp, M.D.

Indi Trehan, MD, MPH, DTM&H

Gregory A. Storch, M.D.

Misty Good, M.D., M.S.

Philip Levy, M.D.

Lori R. Holtz, M.D., M.S.P.H.

Robert J. Rothbaum, M.D.

Kristine Wylie, Ph.D.

Mark J. Manary, M.D.

Barbara B. Warner, M.D.

Thomas Ferkol, M.D.

Anthony R. French, M.D., Ph.D.

Aimée Baumann-Dudenhoeffer, M.D.

Charles Samson, M.D.

Todd N. Wylie

Stephanie A. Fritz, M.D., M.S.C.I.

Christina Ahn Hickey, M.D., M.A

Samuel Julian, M.D.

Kevin Baszis, M.D.

David Schnadower, M.D., M.P.H.

Washington University has a long tradition of collaboration amongst colleagues.The faculty above have co-authored publications with Phillip I. Tarr, M.D.

1. Tarr GAM, Chui L, Lee BE, Pang XL, Ali S, Nettel-Aguirre A, Vanderkooi OG, Berenger BM, Dickinson J, Tarr PI, Drews S, MacDonald J, Kim K, Freedman SB. Performance of Stool Testing Recommendations for Acute Gastroenteritis when Used to Identify Children with Nine Potential Bacterial Enteropathogens. Clin Infect Dis. 2018. PMID:30517612 
2. Tarr GAM, Oltean HN, Phipps AI, Rabinowitz P, Tarr PI. Case definitions of hemolytic uremic syndrome following Escherichia coli O157:H7 infection vary in validity. Int J Med Microbiol. 2018;308(8):1121-1127. PMID:30466555 
3. Schnadower D, Tarr PI, Casper TC, Gorelick MH, Dean JM, O'Connell KJ, Mahajan P, Levine AC, Bhatt SR, Roskind CG, Powell EC, Rogers AJ, Vance C, Sapien RE, Olsen CS, Metheney M, Dickey VP, Hall-Moore C, Freedman SB. Lactobacillus rhamnosus GG versus Placebo for Acute Gastroenteritis in Children. N Engl J Med. 2018;379(21):2002-2014. PMID:30462938 
4. Baumann-Dudenhoeffer AM, D'Souza AW, Tarr PI, Warner BB, Dantas G. Infant diet and maternal gestational weight gain predict early metabolic maturation of gut microbiomes. Nat Med. 2018. PMID:30374198 
5. Tarr GAM, Oltean HN, Phipps AI, Rabinowitz P, Tarr PI. Strength of the association between antibiotic use and hemolytic uremic syndrome following Escherichia coli O157:H7 infection varies with case definition. Int J Med Microbiol. 2018;308(7):921-926. PMID:30257808 
6. Stang AS, Trudeau M, Vanderkooi OG, Lee BE, Chui L, Pang XL, Allen V, Burnham CD, Goldfarb DM, MacDonald J, Parsons B, Petrich A, Pollari F, Tarr PI, Tipples G, Zhuo R, Freedman SB. Diagnostic Interpretation Guidance for Pediatric Enteric Pathogens: A Modified Delphi Consensus Process. Can J Infect Dis Med Microbiol. 2018;2018:2589826. PMCID:PMC6180965  PMID:30363711 
7. Rusconi B, Jiang X, Sidhu R, Ory DS, Warner BB, Tarr PI. Gut Sphingolipid Composition as a Prelude to Necrotizing Enterocolitis. Sci Rep. 2018;8(1):10984. PMID:30030452 
8. Xie J, Nettel-Aguirre A, Lee BE, Chui L, Pang XL, Zhuo R, Parsons B, Vanderkooi OG, Tarr PI, Ali S, Dickinson JA, Hagen E, Svenson LW, MacDonald SE, Drews SJ, Tellier R, Graham T, Lavoie M, MacDonald J, Freedman SB, Pediatric Emergency Research Canada (PERC) and the Alberta Provincial Pediatric EnTeric Infection Team (APPETITE Team).. Relationship between Enteric Pathogen and Acute Gastroenteritis Disease Severity - A Prospective Cohort Study. Clin Microbiol Infect. 2018. PMID:29964235 
9. Tarr GAM, Shringi S, Oltean HN, Mayer J, Rabinowitz P, Wakefield J, Tarr PI, Besser TE, Phipps AI. Importance of case age in the purported association between phylogenetics and hemolytic uremic syndrome in Escherichia coli O157:H7 infections. Epidemiol Infect. 2018;1-6. PMID:29914582 
10. McKee RS, Tarr PI, Dietzen DJ, Chawla R, Schnadower D. Clinical and Laboratory Predictors of Shiga Toxin-Producing Escherichia coli Infection in Children With Bloody Diarrhea. J Pediatric Infect Dis Soc. 2018. PMID:29617871 
11. Blaisdell CJ, Troendle J, Zajicek A. Acute Responses to Diuretic Therapy in Extremely Low Gestational Age Newborns: Results from the Prematurity and Respiratory Outcomes Program Cohort Study J Pediatr. 2018. PMID:29599068 
12. Blaisdell CJ, Troendle J, Zajicek A, Prematurity and Respiratory Outcomes Program.. Acute Responses to Diuretic Therapy in Extremely Low Gestational Age Newborns: Results from the Prematurity and Respiratory Outcomes Program Cohort Study. J Pediatr. 2018. PMID:29599068 
13. Chandrasekaran S, Burnham CD, Warner BB, Tarr PI, Wylie TN. Carriage of Cronobacter sakazakii in the very preterm infant gut. Clin Infect Dis. 2018. PMID:29394356 
14. Tarr GAM, Shringi S, Phipps AI, Besser TE, Mayer J, Oltean HN, Wakefield J, Tarr PI, Rabinowitz P. Geogenomic Segregation and Temporal Trends of Human Pathogenic Escherichia coli O157:H7, Washington, USA, 2005-2014¹. Emerg Infect Dis. 2018;24(1):32-39. PMCID:PMC5749469  PMID:29260688 
15. Knoop KA, Gustafsson JK, McDonald KG, Kulkarni DH, Coughlin PE, McCrate S, Kim D, Hsieh CS, Hogan SP, Elson CO, Tarr PI, Newberry RD. Microbial antigen encounter during a preweaning interval is critical for tolerance to gut bacteria. Sci Immunol. 2017;2(18). PMCID:PMC5759965  PMID:29246946 
16. Denno DM, Tarr PI, Nataro JP. Environmental Enteric Dysfunction: A Case Definition for Intervention Trials. Am J Trop Med Hyg. 2017;97(6):1643-1646. PMID:29016294 
17. Shane AL, Mody RK, Crump JA, Tarr PI, Steiner TS, Kotloff K, Langley JM, Wanke C, Warren CA, Cheng AC, Cantey J, Pickering LK. 2017 Infectious Diseases Society of America Clinical Practice Guidelines for the Diagnosis and Management of Infectious Diarrhea. Clin Infect Dis. 2017;65(12):1963-1973. PMID:29194529 
18. Fotis L, Shaikh N, Baszis KW, Samson CM, Lev-Tzion R, French AR, Tarr PI. Serologic Evidence of Gut-driven Systemic Inflammation in Juvenile Idiopathic Arthritis. J Rheumatol. 2017;44(11):1624-1631. PMID:28916545 
19. Rusconi B, Good M, Warner BB. The Microbiome and Biomarkers for Necrotizing Enterocolitis: Are We Any Closer to Prediction? J Pediatr. 2017;189:40-47.e2. PMCID:PMC5614810  PMID:28669607 
20. Schnadower D, Tarr PI, Casper TC, Gorelick MH, Dean MJ, O'Connell KJ, Mahajan P, Chun TH, Bhatt SR, Roskind CG, Powell EC, Rogers AJ, Vance C, Sapien RE, Gao F, Freedman SB. Randomised controlled trial of Lactobacillus rhamnosus (LGG) versus placebo in children presenting to the emergency department with acute gastroenteritis: the PECARN probiotic study protocol. BMJ Open. 2017;7(9):e018115. PMCID:PMC5623493  PMID:28947466 
21. Dorshow RB, Hall-Moore C, Shaikh N, Talcott MR, Faubion WA, Rogers TE, Shieh JJ, Debreczeny MP, Johnson JR, Dyer RB, Singh RJ, Tarr PI. Measurement of gut permeability using fluorescent tracer agent technology. Sci Rep. 2017;7(1):10888. PMCID:PMC5589723  PMID:28883476 
22. Melamed R, Storch GA, Holtz LR, Klein EJ, Herrin B, Tarr PI, Denno DM. Case-Control Assessment of the Roles of Noroviruses, Human Bocaviruses 2, 3, and 4, and Novel Polyomaviruses and Astroviruses in Acute Childhood Diarrhea. J Pediatric Infect Dis Soc. 2017;6(3):e49-e54. PMID:28186546 
23. Stout MJ, Zhou Y, Wylie KM, Tarr PI, Macones GA, Tuuli MG. Early pregnancy vaginal microbiome trends and preterm birth. Am J Obstet Gynecol. 2017;217(3):356.e1-356.e18. PMCID:PMC5581228  PMID:28549981 
24. Freedman SB, Xie J, Nettel-Aguirre A, Lee B, Chui L, Pang XL, Zhuo R, Parsons B, Dickinson JA, Vanderkooi OG, Ali S, Osterreicher L, Lowerison K, Tarr PI, Alberta Provincial Pediatric EnTeric Infection TEam (APPETITE).. Enteropathogen detection in children with diarrhoea, or vomiting, or both, comparing rectal flocked swabs with stool specimens: an outpatient cohort study. Lancet Gastroenterol Hepatol. 2017;2(9):662-669. PMID:28712662 
25. Amadi B, Besa E, Zyambo K, Kaonga P, Louis-Auguste J, Chandwe K, Tarr PI, Denno DM, Nataro JP, Faubion W, Sailer A, Yeruva S, Brantner T, Murray J, Prendergast AJ, Turner JR, Kelly P. Impaired Barrier Function and Autoantibody Generation in Malnutrition Enteropathy in Zambia. EBioMedicine. 2017;22:191-199. PMCID:PMC5552244  PMID:28750860 
26. Barron LK, Warner BB, Tarr PI, Shannon WD, Deych E, Warner BW. Independence of gut bacterial content and neonatal necrotizing enterocolitis severity. J Pediatr Surg. 2017;52(6):993-998. PMCID:PMC5473614  PMID:28410788 
27. Pammi M, Cope J, Tarr PI, Warner BB, Morrow AL, Mai V, Gregory KE, Kroll JS, McMurtry V, Ferris MJ, Engstrand L, Lilja HE, Hollister EB, Versalovic J, Neu J. Intestinal dysbiosis in preterm infants preceding necrotizing enterocolitis: a systematic review and meta-analysis. Microbiome. 2017;5(1):31. PMCID:PMC5343300  PMID:28274256 
28. Ordiz MI, Stephenson K, Agapova S, Wylie KM, Maleta K, Martin J, Trehan I, Tarr PI, Manary MJ. Environmental Enteric Dysfunction and the Fecal Microbiota in Malawian Children. Am J Trop Med Hyg. 2017;96(2):473-476. PMCID:PMC5303055  PMID:27956653 
29. Grisaru S, Xie J, Samuel S, Hartling L, Tarr PI, Schnadower D, Freedman SB, Alberta Provincial Pediatric Enteric Infection Team.. Associations Between Hydration Status, Intravenous Fluid Administration, and Outcomes of Patients Infected With Shiga Toxin-Producing Escherichia coli: A Systematic Review and Meta-analysis. JAMA Pediatr. 2017;171(1):68-76. PMID:27893870 
30. Ordiz MI, Shaikh N, Trehan I, Maleta K, Stauber J, Shulman R, Devaraj S, Tarr PI, Manary MJ. Environmental Enteric Dysfunction Is Associated With Poor Linear Growth and Can Be Identified by Host Fecal mRNAs. J Pediatr Gastroenterol Nutr. 2016;63(5):453-459. PMCID:PMC5084633  PMID:27347722 
31. Gasparrini AJ, Crofts TS, Gibson MK, Tarr PI, Warner BB, Dantas G. Antibiotic perturbation of the preterm infant gut microbiome and resistome. Gut Microbes. 2016;7(5):443-9. PMCID:PMC5154371  PMID:27472377 
32. Rusconi B, Sanjar F, Koenig SS, Mammel MK, Tarr PI, Eppinger M. Whole Genome Sequencing for Genomics-Guided Investigations of Escherichia coli O157:H7 Outbreaks. Front Microbiol. 2016;7:985. PMCID:PMC4928038  PMID:27446025 
33. Planer JD, Peng Y, Kau AL, Blanton LV, Ndao IM, Tarr PI, Warner BB, Gordon JI. Development of the gut microbiota and mucosal IgA responses in twins and gnotobiotic mice. Nature. 2016;534(7606):263-6. PMCID:PMC4902178  PMID:27279225 
34. Freedman SB, Xie J, Neufeld MS, Hamilton WL, Hartling L, Tarr PI, Alberta Provincial Pediatric Enteric Infection Team (APPETITE)., Nettel-Aguirre A, Chuck A, Lee B, Johnson D, Currie G, Talbot J, Jiang J, Dickinson J, Kellner J, MacDonald J, Svenson L, Chui L, Louie M, Lavoie M, Eltorki M, Vanderkooi O, Tellier R, Ali S, Drews S, Graham T, Pang XL. Shiga Toxin-Producing Escherichia coli Infection, Antibiotics, and Risk of Developing Hemolytic Uremic Syndrome: A Meta-analysis. Clin Infect Dis. 2016;62(10):1251-1258. PMCID:PMC4845788  PMID:26917812 
35. Warner BB, Deych E, Zhou Y, Hall-Moore C, Weinstock GM, Sodergren E, Shaikh N, Hoffmann JA, Linneman LA, Hamvas A, Khanna G, Rouggly-Nickless LC, Ndao IM, Shands BA, Escobedo M, Sullivan JE, Radmacher PG, Shannon WD, Tarr PI. Gut bacteria dysbiosis and necrotising enterocolitis in very low birthweight infants: a prospective case-control study. Lancet. 2016;387(10031):1928-36. PMCID:PMC5553277  PMID:26969089 
36. Stauber J, Shaikh N, Ordiz MI, Tarr PI, Manary MJ. Droplet digital PCR quantifies host inflammatory transcripts in feces reliably and reproducibly. Cell Immunol. 2016;303:43-9. PMCID:PMC4863679  PMID:27063479 
37. Gibson MK, Wang B, Ahmadi S, Burnham CA, Tarr PI, Warner BB, Dantas G. Developmental dynamics of the preterm infant gut microbiota and antibiotic resistome. Nat Microbiol. 2016;1:16024. PMCID:PMC5031140  PMID:27572443 
38. Yu J, Ordiz MI, Stauber J, Shaikh N, Trehan I, Barnell E, Head RD, Maleta K, Tarr PI, Manary MJ. Environmental Enteric Dysfunction Includes a Broad Spectrum of Inflammatory Responses and Epithelial Repair Processes. Cell Mol Gastroenterol Hepatol. 2016;2(2):158-174.e1. PMCID:PMC4769221  PMID:26973864 
39. Gurnee EA, Ndao IM, Johnson JR, Johnston BD, Gonzalez MD, Burnham CA, Hall-Moore CM, McGhee JE, Mellmann A, Warner BB, Tarr PI. Gut Colonization of Healthy Children and Their Mothers With Pathogenic Ciprofloxacin-Resistant Escherichia coli. J Infect Dis. 2015;212(12):1862-8. PMCID:PMC4655851  PMID:25969564 
40. Poindexter BB, Feng R, Schmidt B, Aschner JL, Ballard RA, Hamvas A, Reynolds AM, Shaw PA, Jobe AH, Prematurity and Respiratory Outcomes Program.. Comparisons and Limitations of Current Definitions of Bronchopulmonary Dysplasia for the Prematurity and Respiratory Outcomes Program. Ann Am Thorac Soc. 2015;12(12):1822-30. PMCID:PMC4722827  PMID:26397992 
41. Julian S, Burnham CA, Sellenriek P, Shannon WD, Hamvas A, Tarr PI, Warner BB. Impact of neonatal intensive care bed configuration on rates of late-onset bacterial sepsis and methicillin-resistant Staphylococcus aureus colonization. Infect Control Hosp Epidemiol. 2015;36(10):1173-82. PMCID:PMC5089903  PMID:26108888 
42. Lim ES, Zhou Y, Zhao G, Bauer IK, Droit L, Ndao IM, Warner BB, Tarr PI, Wang D, Holtz LR. Early life dynamics of the human gut virome and bacterial microbiome in infants. Nat Med. 2015;21(10):1228-34. PMCID:PMC4710368  PMID:26366711 
43. Ordiz MI, May TD, Mihindukulasuriya K, Martin J, Crowley J, Tarr PI, Ryan K, Mortimer E, Gopalsamy G, Maleta K, Mitreva M, Young G, Manary MJ. The effect of dietary resistant starch type 2 on the microbiota and markers of gut inflammation in rural Malawi children. Microbiome. 2015;3:37. doi:10.1186/s40168-015-0102-9  PMCID:PMC4558878  PMID:26334878 
44. Freedman SB, Lee BE, Louie M, Pang XL, Ali S, Chuck A, Chui L, Currie GR, Dickinson J, Drews SJ, Eltorki M, Graham T, Jiang X, Johnson DW, Kellner J, Lavoie M, MacDonald J, MacDonald S, Svenson LW, Talbot J, Tarr P, Tellier R, Vanderkooi OG. Alberta Provincial Pediatric EnTeric Infection TEam (APPETITE): epidemiology, emerging organisms, and economics. BMC Pediatr. 2015;15:89. PMCID:PMC4521468  PMID:26226953 
45. Qin X, Klein EJ, Galanakis E, Thomas AA, Stapp JR, Rich S, Buccat AM, Tarr PI. Real-Time PCR Assay for Detection and Differentiation of Shiga Toxin-Producing Escherichia coli from Clinical Samples. J Clin Microbiol. 2015;53(7):2148-53. PMCID:PMC4473226  PMID:25926491 
46. Zhang Y, Rowehl L, Krumsiek JM, Orner EP, Shaikh N, Tarr PI, Sodergren E, Weinstock GM, Boedeker EC, Xiong X, Parkinson J, Frank DN, Li E, Gathungu G. Identification of Candidate Adherent-Invasive E. coli Signature Transcripts by Genomic/Transcriptomic Analysis. PLoS One. 2015;10(6):e0130902. PMCID:PMC4509574  PMID:26125937 
47. VanDussen KL, Marinshaw JM, Shaikh N, Miyoshi H, Moon C, Tarr PI, Ciorba MA, Stappenbeck TS. Development of an enhanced human gastrointestinal epithelial culture system to facilitate patient-based assays. Gut. 2015;64(6):911-20. PMCID:PMC4305344  PMID:25007816 
48. Maitre NL, Ballard RA, Ellenberg JH, Davis SD, Greenberg JM, Hamvas A, Pryhuber GS, Prematurity and Respiratory Outcomes Program. Respiratory consequences of prematurity: evolution of a diagnosis and development of a comprehensive approach. J Perinatol. 2015;35(5):313-21. doi:10.1038/jp.2015.19  PMCID:PMC4414744  PMID:25811285 
49. Pryhuber GS, Maitre NL, Ballard RA, Cifelli D, Davis SD, Ellenberg JH, Greenberg JM, Kemp J, Mariani TJ, Panitch H, Ren C, Shaw P, Taussig LM, Hamvas A, Prematurity and Respiratory Outcomes Program Investigators.. Prematurity and respiratory outcomes program (PROP): study protocol of a prospective multicenter study of respiratory outcomes of preterm infants in the United States. BMC Pediatr. 2015;15:37. PMCID:PMC4407843  PMID:25886363 
50. Kuczius T, Zhang W, Merkel V, Mellmann A, Tarr PI, Karch H. Agitation down-regulates immunoglobulin binding protein EibG expression in Shiga toxin-producing Escherichia coli (STEC). PLoS One. 2015;10(3):e0119583. PMCID:PMC4352079  PMID:25746924 
51. Moore AM, Ahmadi S, Patel S, Gibson MK, Wang B, Ndao MI, Deych E, Shannon W, Tarr PI, Warner BB, Dantas G. Gut resistome development in healthy twin pairs in the first year of life. Microbiome. 2015;3:27. doi:10.1186/s40168-015-0090-9  PMCID:PMC4480905  PMID:26113976 
52. Sommovilla J, Zhou Y, Sun RC, Choi PM, Diaz-Miron J, Shaikh N, Sodergren E, Warner BB, Weinstock GM, Tarr PI, Warner BW. Small bowel resection induces long-term changes in the enteric microbiota of mice. J Gastrointest Surg. 2015;19(1):56-64; discussion 64. PMCID:PMC4576885  PMID:25183407 
53. Zhou Y, Burnham CA, Hink T, Chen L, Shaikh N, Wollam A, Sodergren E, Weinstock GM, Tarr PI, Dubberke ER. Phenotypic and genotypic analysis of Clostridium difficile isolates: a single-center study. J Clin Microbiol. 2014;52(12):4260-6. PMCID:PMC4313296  PMID:25275005 
54. Schindler EI, Sellenriek P, Storch GA, Tarr PI, Burnham CA. Shiga toxin-producing Escherichia coli: a single-center, 11-year pediatric experience. J Clin Microbiol. 2014;52(10):3647-53. PMCID:PMC4187762  PMID:25078916 
55. La Rosa PS, Warner BB, Zhou Y, Weinstock GM, Sodergren E, Hall-Moore CM, Stevens HJ, Bennett WE Jr, Shaikh N, Linneman LA, Hoffmann JA, Hamvas A, Deych E, Shands BA, Shannon WD, Tarr PI. Patterned progression of bacterial populations in the premature infant gut. Proc Natl Acad Sci U S A. 2014;111(34):12522-7. PMCID:PMC4151715  PMID:25114261 
56. Carl MA, Ndao IM, Springman AC, Manning SD, Johnson JR, Johnston BD, Burnham CA, Weinstock ES, Weinstock GM, Wylie TN, Mitreva M, Abubucker S, Zhou Y, Stevens HJ, Hall-Moore C, Julian S, Shaikh N, Warner BB, Tarr PI. Sepsis from the gut: the enteric habitat of bacteria that cause late-onset neonatal bloodstream infections. Clin Infect Dis. 2014;58(9):1211-8. PMCID:PMC3982840  PMID:24647013 
57. Bielaszewska M, Schiller R, Lammers L, Bauwens A, Fruth A, Middendorf B, Schmidt MA, Tarr PI, Dobrindt U, Karch H, Mellmann A. Heteropathogenic virulence and phylogeny reveal phased pathogenic metamorphosis in Escherichia coli O2:H6. EMBO Mol Med. 2014;6(3):347-57. PMCID:PMC3958309  PMID:24413188 
58. Sanjar F, Hazen TH, Shah SM, Koenig SS, Agrawal S, Daugherty S, Sadzewicz L, Tallon LJ, Mammel MK, Feng P, Soderlund R, Tarr PI, Debroy C, Dudley EG, Cebula TA, Ravel J, Fraser CM, Rasko DA, Eppinger M. Genome Sequence of Escherichia coli O157:H7 Strain 2886-75, Associated with the First Reported Case of Human Infection in the United States. Genome Announc. 2014;2(1). PMCID:PMC3886948  PMID:24407635 
59. Gurnee EA, Ndao IM, McGhee JE, Warner BB, Tarr PI, Fritz SA, Burnham CA. Fecal carriage of methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococcus in healthy children. Antimicrob Agents Chemother. 2014;58(2):1261-2. PMCID:PMC3910844  PMID:24277049 
60. Turabelidze G, Lawrence SJ, Gao H, Sodergren E, Weinstock GM, Abubucker S, Wylie T, Mitreva M, Shaikh N, Gautom R, Tarr PI. Precise dissection of an Escherichia coli O157:H7 outbreak by single nucleotide polymorphism analysis. J Clin Microbiol. 2013;51(12):3950-4. PMCID:PMC3838074  PMID:24048526 
61. El Feghaly RE, Stauber JL, Tarr PI, Haslam DB. Viral co-infections are common and are associated with higher bacterial burden in children with clostridium difficile infection. J Pediatr Gastroenterol Nutr. 2013;57(6):813-6. PMCID:PMC4098970  PMID:23838821 
62. El Feghaly RE, Stauber JL, Tarr PI, Haslam DB. Intestinal inflammatory biomarkers and outcome in pediatric Clostridium difficile infections. J Pediatr. 2013;163(6):1697-1704.e2. PMCID:PMC4098967  PMID:24011765 
63. Moore AM, Patel S, Forsberg KJ, Wang B, Bentley G, Razia Y, Qin X, Tarr PI, Dantas G. Pediatric fecal microbiota harbor diverse and novel antibiotic resistance genes. PLoS One. 2013;8(11):e78822. PMCID:PMC3827270  PMID:24236055 
64. Schnadower D, Tarr PI, Gorelick MH, O'Connell K, Roskind CG, Powell EC, Rao J, Bhatt S, Freedman SB. Validation of the modified Vesikari score in children with gastroenteritis in 5 US emergency departments. J Pediatr Gastroenterol Nutr. 2013;57(4):514-9. PMCID:PMC3788842  PMID:23676445 
65. Page AV, Tarr PI, Watkins SL, Rajwans N, Petruzziello-Pellegrini TN, Marsden PA, Kain KC, Liles WC. Dysregulation of angiopoietin 1 and 2 in Escherichia coli O157:H7 infection and the hemolytic-uremic syndrome. J Infect Dis. 2013;208(6):929-33. PMCID:PMC3749007  PMID:23801605 
66. Melamed R, Storch GA, Warner BB, Tarr PI. Gastrointestinal viruses were not found as an aetiology of culture-negative illness in NICU patients. Arch Dis Child Fetal Neonatal Ed. 2013;98(4):F374-5. PMID:23563694 
67. El Feghaly RE, Stauber JL, Deych E, Gonzalez C, Tarr PI, Haslam DB. Markers of intestinal inflammation, not bacterial burden, correlate with clinical outcomes in Clostridium difficile infection. Clin Infect Dis. 2013;56(12):1713-21. PMCID:PMC3707425  PMID:23487367 
68. Eppinger M, Daugherty S, Agrawal S, Galens K, Sengamalay N, Sadzewicz L, Tallon L, Cebula TA, Mammel MK, Feng P, Soderlund R, Tarr PI, Debroy C, Dudley EG, Fraser CM, Ravel J. Whole-Genome Draft Sequences of 26 Enterohemorrhagic Escherichia coli O157:H7 Strains. Genome Announc. 2013;1(2):e0013412. PMCID:PMC3593324  PMID:23516226 
69. Zhou Y, Gao H, Mihindukulasuriya KA, La Rosa PS, Wylie KM, Vishnivetskaya T, Podar M, Warner B, Tarr PI, Nelson DE, Fortenberry JD, Holland MJ, Burr SE, Shannon WD, Sodergren E, Weinstock GM. Biogeography of the ecosystems of the healthy human body. Genome Biol. 2013;14(1):R1. PMCID:PMC4054670  PMID:23316946 
70. Saito JM, Yan Y, Evashwick TW, Warner BW, Tarr PI. Use and accuracy of diagnostic imaging by hospital type in pediatric appendicitis. Pediatrics. 2013;131(1):e37-44. PMCID:PMC3529953  PMID:23266930 
71. Agapova S, Stephenson K, Manary M, Weisz A, Tarr PI, Mkakosya R, Maleta K, Shulman RJ, Manary M, Shaikh N. Detection of low-concentration host mRNA transcripts in Malawian children at risk for environmental enteropathy. J Pediatr Gastroenterol Nutr. 2013;56(1):66-71. PMID:22832511 
72. Denno DM, Shaikh N, Stapp JR, Qin X, Hutter CM, Hoffman V, Mooney JC, Wood KM, Stevens HJ, Jones R, Tarr PI, Klein EJ. Diarrhea etiology in a pediatric emergency department: a case control study. Clin Infect Dis. 2012;55(7):897-904. PMCID:PMC3657524  PMID:22700832 
73. Tarr PI, Karpman D. Editorial commentary: Escherichia coli O104:H4 and hemolytic uremic syndrome: the analysis begins. Clin Infect Dis. 2012;55(6):760-3. PMID:22670035 
74. Wong CS, Mooney JC, Brandt JR, Staples AO, Jelacic S, Boster DR, Watkins SL, Tarr PI. Risk factors for the hemolytic uremic syndrome in children infected with Escherichia coli O157:H7: a multivariable analysis. Clin Infect Dis. 2012;55(1):33-41. PMCID:PMC3493180  PMID:22431799 
75. Seifert ME, Tarr PI. Azithromycin decolonization of STEC--a new risk emerges. Nat Rev Nephrol. 2012;8(7):429. PMID:22664737 
76. Petruzziello-Pellegrini TN, Yuen DA, Page AV, Patel S, Soltyk AM, Matouk CC, Wong DK, Turgeon PJ, Fish JE, Ho JJ, Steer BM, Khajoee V, Tigdi J, Lee WL, Motto DG, Advani A, Gilbert RE, Karumanchi SA, Robinson LA, Tarr PI, Liles WC, Brunton JL, Marsden PA. The CXCR4/CXCR7/SDF-1 pathway contributes to the pathogenesis of Shiga toxin-associated hemolytic uremic syndrome in humans and mice. J Clin Invest. 2012;122(2):759-76. PMCID:PMC3266777  PMID:22232208 
77. Hickey CA, Beattie TJ, Cowieson J, Miyashita Y, Strife CF, Frem JC, Peterson JM, Butani L, Jones DP, Havens PL, Patel HP, Wong CS, Andreoli SP, Rothbaum RJ, Beck AM, Tarr PI. Early volume expansion during diarrhea and relative nephroprotection during subsequent hemolytic uremic syndrome. Arch Pediatr Adolesc Med. 2011;165(10):884-9. PMCID:PMC4064458  PMID:21784993 
78. González-Rivera R, Culverhouse RC, Hamvas A, Tarr PI, Warner BB. The age of necrotizing enterocolitis onset: an application of Sartwell's incubation period model. J Perinatol. 2011;31(8):519-23. PMCID:PMC3145821  PMID:21273988 
79. Leopold SR, Sawyer SA, Whittam TS, Tarr PI. Obscured phylogeny and possible recombinational dormancy in Escherichia coli. BMC Evol Biol. 2011;11:183. PMCID:PMC3152902  PMID:21708031 
80. Bucher BT, McDuffie LA, Shaikh N, Tarr PI, Warner BB, Hamvas A, White FV, Erwin CR, Warner BW. Bacterial DNA content in the intestinal wall from infants with necrotizing enterocolitis. J Pediatr Surg. 2011;46(6):1029-33. PMCID:PMC3118995  PMID:21683193 
81. Brockmeyer J, Aldick T, Soltwisch J, Zhang W, Tarr PI, Weiss A, Dreisewerd K, Müthing J, Bielaszewska M, Karch H. Enterohaemorrhagic Escherichia coli haemolysin is cleaved and inactivated by serine protease EspPα. Environ Microbiol. 2011;13(5):1327-41. PMCID:PMC3472028  PMID:21352460 
82. Bielaszewska M, Middendorf B, Tarr PI, Zhang W, Prager R, Aldick T, Dobrindt U, Karch H, Mellmann A. Chromosomal instability in enterohaemorrhagic Escherichia coli O157:H7: impact on adherence, tellurite resistance and colony phenotype. Mol Microbiol. 2011;79(4):1024-44. PMCID:PMC3064760  PMID:21299654 
83. Leopold SR, Shaikh N, Tarr PI. Further evidence of constrained radiation in the evolution of pathogenic Escherichia coli O157:H7. Infect Genet Evol. 2010;10(8):1282-5. PMCID:PMC3742067  PMID:20691811 
84. Xicohtencatl-Cortes J, Saldaña Z, Deng W, Castañeda E, Freer E, Tarr PI, Finlay BB, Puente JL, Girón JA. Bacterial macroscopic rope-like fibers with cytopathic and adhesive properties. J Biol Chem. 2010;285(42):32336-42. PMCID:PMC2952234  PMID:20688909 
85. Bennett WE Jr, González-Rivera R, Puente BN, Shaikh N, Stevens HJ, Mooney JC, Klein EJ, Denno DM, Draghi A II, Sylvester FA, Tarr PI. Proinflammatory fecal mRNA and childhood bacterial enteric infections. Gut Microbes. 2010;1(4):209-212. PMCID:PMC3023602  PMID:21327027 
86. Laiko M, Murtazina R, Malyukova I, Zhu C, Boedeker EC, Gutsal O, O'Malley R, Cole RN, Tarr PI, Murray KF, Kane A, Donowitz M, Kovbasnjuk O. Shiga toxin 1 interaction with enterocytes causes apical protein mistargeting through the depletion of intracellular galectin-3. Exp Cell Res. 2010;316(4):657-66. PMCID:PMC2815162  PMID:19744479 
87. Ahn CK, Russo AJ, Howell KR, Holt NJ, Sellenriek PL, Rothbaum RJ, Beck AM, Luebbering LJ, Tarr PI. Deer sausage: a newly identified vehicle of transmission of Escherichia coli O157:H7. J Pediatr. 2009;155(4):587-9. PMID:19773004 
88. Bennett WE Jr, González-Rivera R, Shaikh N, Magrini V, Boykin M, Warner BB, Hamvas A, Tarr PI. A method for isolating and analyzing human mRNA from newborn stool. J Immunol Methods. 2009;349(1-2):56-60. PMCID:PMC2850193  PMID:19660464 
89. Samadder P, Xicohtencatl-Cortes J, Saldaña Z, Jordan D, Tarr PI, Kaper JB, Girón JA. The Escherichia coli ycbQRST operon encodes fimbriae with laminin-binding and epithelial cell adherence properties in Shiga-toxigenic E. coli O157:H7. Environ Microbiol. 2009;11(7):1815-26. PMCID:PMC2888687  PMID:19508558 
90. Leopold SR, Magrini V, Holt NJ, Shaikh N, Mardis ER, Cagno J, Ogura Y, Iguchi A, Hayashi T, Mellmann A, Karch H, Besser TE, Sawyer SA, Whittam TS, Tarr PI. A precise reconstruction of the emergence and constrained radiations of Escherichia coli O157 portrayed by backbone concatenomic analysis. Proc Natl Acad Sci U S A. 2009;106(21):8713-8. PMCID:PMC2689004  PMID:19439656 
91. Li ST, Klein EJ, Tarr PI, Denno DM. Parental management of childhood diarrhea. Clin Pediatr (Phila). 2009;48(3):295-303. PMID:19023110 
92. Denno DM, Keene WE, Hutter CM, Koepsell JK, Patnode M, Flodin-Hursh D, Stewart LK, Duchin JS, Rasmussen L, Jones R, Tarr PI. Tri-county comprehensive assessment of risk factors for sporadic reportable bacterial enteric infection in children. J Infect Dis. 2009;199(4):467-76. PMCID:PMC3693595  PMID:19281302 
93. Bielaszewska M, Prager R, Vandivinit L, Müsken A, Mellmann A, Holt NJ, Tarr PI, Karch H, Zhang W. Detection and characterization of the fimbrial sfp cluster in enterohemorrhagic Escherichia coli O165:H25/NM isolates from humans and cattle. Appl Environ Microbiol. 2009;75(1):64-71. PMCID:PMC2612197  PMID:18978078 
94. Qin X, Zerr DM, Weissman SJ, Englund JA, Denno DM, Klein EJ, Tarr PI, Kwong J, Stapp JR, Tulloch LG, Galanakis E. Prevalence and mechanisms of broad-spectrum beta-lactam resistance in Enterobacteriaceae: a children's hospital experience. Antimicrob Agents Chemother. 2008;52(11):3909-14. PMCID:PMC2573145  PMID:18765688 
95. Bhutta ZA, Nelson EA, Lee WS, Tarr PI, Zablah R, Phua KB, Lindley K, Bass D, Phillips A, Persistent Diarrhea Working Group.. Recent advances and evidence gaps in persistent diarrhea. J Pediatr Gastroenterol Nutr. 2008;47(2):260-5. PMID:18664885 
96. Hill J, Beriwal S, Chandra I, Paul VK, Kapil A, Singh T, Wadowsky RM, Singh V, Goyal A, Jahnukainen T, Johnson JR, Tarr PI, Vats A. Loop-mediated isothermal amplification assay for rapid detection of common strains of Escherichia coli. J Clin Microbiol. 2008;46(8):2800-4. PMCID:PMC2519505  PMID:18550738 
97. Cobbold RN, Davis MA, Rice DH, Szymanski M, Tarr PI, Besser TE, Hancock DD. Associations between bovine, human, and raw milk, and beef isolates of non-O157 Shiga toxigenic Escherichia coli within a restricted geographic area of the United States. J Food Prot. 2008;71(5):1023-7. PMID:18522040 
98. Finkbeiner SR, Allred AF, Tarr PI, Klein EJ, Kirkwood CD, Wang D. Metagenomic analysis of human diarrhea: viral detection and discovery. PLoS Pathog. 2008;4(2):e1000011. PMCID:PMC2290972  PMID:18398449 
99. Shaikh N, Holt NJ, Johnson JR, Tarr PI. Fim operon variation in the emergence of Enterohemorrhagic Escherichia coli: an evolutionary and functional analysis. FEMS Microbiol Lett. 2007;273(1):58-63. PMID:17559392 
100. Bielaszewska M, Prager R, Köck R, Mellmann A, Zhang W, Tschäpe H, Tarr PI, Karch H. Shiga toxin gene loss and transfer in vitro and in vivo during enterohemorrhagic Escherichia coli O26 infection in humans. Appl Environ Microbiol. 2007;73(10):3144-50. PMCID:PMC1907125  PMID:17400784 
101. Besser TE, Shaikh N, Holt NJ, Tarr PI, Konkel ME, Malik-Kale P, Walsh CW, Whittam TS, Bono JL. Greater diversity of Shiga toxin-encoding bacteriophage insertion sites among Escherichia coli O157:H7 isolates from cattle than in those from humans. Appl Environ Microbiol. 2007;73(3):671-9. PMCID:PMC1800756  PMID:17142358 
102. Rashid RA, Tarr PI, Moseley SL. Expression of the Escherichia coli IrgA homolog adhesin is regulated by the ferric uptake regulation protein. Microb Pathog. 2006;41(6):207-17. PMCID:PMC2039900  PMID:16954050 
103. Klein EJ, Boster DR, Stapp JR, Wells JG, Qin X, Clausen CR, Swerdlow DL, Braden CR, Tarr PI. Diarrhea etiology in a Children's Hospital Emergency Department: a prospective cohort study. Clin Infect Dis. 2006;43(7):807-13. PMID:16941358 
104. Qin X, Razia Y, Johnson JR, Stapp JR, Boster DR, Tsosie T, Smith DL, Braden CR, Gay K, Angulo FJ, Tarr PI. Ciprofloxacin-resistant gram-negative bacilli in the fecal microflora of children. Antimicrob Agents Chemother. 2006;50(10):3325-9. PMCID:PMC1610095  PMID:17005812 
105. Kudva IT, Krastins B, Sheng H, Griffin RW, Sarracino DA, Tarr PI, Hovde CJ, Calderwood SB, John M. Proteomics-based expression library screening (PELS): a novel method for rapidly defining microbial immunoproteomes. Mol Cell Proteomics. 2006;5(8):1514-9. PMCID:PMC2754196  PMID:16737953 
106. Rashid RA, Tabata TA, Oatley MJ, Besser TE, Tarr PI, Moseley SL. Expression of putative virulence factors of Escherichia coli O157:H7 differs in bovine and human infections. Infect Immun. 2006;74(7):4142-8. PMCID:PMC1489682  PMID:16790788 
107. Ståhl AL, Svensson M, Mörgelin M, Svanborg C, Tarr PI, Mooney JC, Watkins SL, Johnson R, Karpman D. Lipopolysaccharide from enterohemorrhagic Escherichia coli binds to platelets through TLR4 and CD62 and is detected on circulating platelets in patients with hemolytic uremic syndrome. Blood. 2006;108(1):167-76. PMCID:PMC1895830  PMID:16514062 
108. Bielaszewska M, Zhang W, Tarr PI, Sonntag AK, Karch H. Molecular profiling and phenotype analysis of Escherichia coli O26:H11 and O26:NM: secular and geographic consistency of enterohemorrhagic and enteropathogenic isolates. J Clin Microbiol. 2005;43(8):4225-8. PMCID:PMC1233958  PMID:16081985 
109. Ake JA, Jelacic S, Ciol MA, Watkins SL, Murray KF, Christie DL, Klein EJ, Tarr PI. Relative nephroprotection during Escherichia coli O157:H7 infections: association with intravenous volume expansion. Pediatrics. 2005;115(6):e673-80. PMID:15930195 
110. John M, Kudva IT, Griffin RW, Dodson AW, McManus B, Krastins B, Sarracino D, Progulske-Fox A, Hillman JD, Handfield M, Tarr PI, Calderwood SB. Use of in vivo-induced antigen technology for identification of Escherichia coli O157:H7 proteins expressed during human infection. Infect Immun. 2005;73(5):2665-79. PMCID:PMC1087376  PMID:15845468 
111. Denno DM, Stapp JR, Boster DR, Qin X, Clausen CR, Del Beccaro KH, Swerdlow DL, Braden CR, Tarr PI. Etiology of diarrhea in pediatric outpatient settings. Pediatr Infect Dis J. 2005;24(2):142-8. PMID:15702043 
112. Johnson JR, Jelacic S, Schoening LM, Clabots C, Shaikh N, Mobley HL, Tarr PI. The IrgA homologue adhesin Iha is an Escherichia coli virulence factor in murine urinary tract infection. Infect Immun. 2005;73(2):965-71. PMCID:PMC546986  PMID:15664939 
113. Bielaszewska M, Tarr PI, Karch H, Zhang W, Mathys W. Phenotypic and molecular analysis of tellurite resistance among enterohemorrhagic Escherichia coli O157:H7 and sorbitol-fermenting O157:NM clinical isolates. J Clin Microbiol. 2005;43(1):452-4. PMCID:PMC540173  PMID:15635013 
114. Klein EJ, Stapp JR, Neill MA, Besser JM, Osterholm MT, Tarr PI. Shiga toxin antigen detection should not replace sorbitol MacConkey agar screening of stool specimens. J Clin Microbiol. 2004;42(9):4416; author reply 4416-7. doi:10.1128/JCM.42.9.4416-4417.2004  PMCID:PMC516334  PMID:15365063 
115. Haack JP, Jelacic S, Besser TE, Weinberger E, Kirk DJ, McKee GL, Harrison SM, Musgrave KJ, Miller G, Price TH, Tarr PI. Escherichia coli O157 exposure in Wyoming and Seattle: serologic evidence of rural risk. Emerg Infect Dis. 2003;9(10):1226-31. doi:10.3201/eid0910.020254  PMCID:PMC3033090  PMID:14609456 
116. Jelacic JK, Damrow T, Chen GS, Jelacic S, Bielaszewska M, Ciol M, Carvalho HM, Melton-Celsa AR, O'Brien AD, Tarr PI. Shiga toxin-producing Escherichia coli in Montana: bacterial genotypes and clinical profiles. J Infect Dis. 2003;188(5):719-29. doi:10.1086/376999  PMID:12934188 
117. Johnson JR, Lockman HA, Owens K, Jelacic S, Tarr PI. High-frequency secondary mutations after suicide-driven allelic exchange mutagenesis in extraintestinal pathogenic Escherichia coli. J Bacteriol. 2003;185(17):5301-5. PMCID:PMC180995  PMID:12923106 
118. Shaikh N, Tarr PI. Escherichia coli O157:H7 Shiga toxin-encoding bacteriophages: integrations, excisions, truncations, and evolutionary implications. J Bacteriol. 2003;185(12):3596-605. PMCID:PMC156235  PMID:12775697 
119. Albaqali A, Ghuloom A, Al Arrayed A, Al Ajami A, Shome DK, Jamsheer A, Al Mahroos H, Jelacic S, Tarr PI, Kaplan BS, Dhiman RK. Hemolytic uremic syndrome in association with typhoid fever. Am J Kidney Dis. 2003;41(3):709-13. doi:10.1053/ajkd.2003.50135  PMID:12612998 
120. Thayu M, Chandler WL, Jelacic S, Gordon CA, Rosenthal GL, Tarr PI. Cardiac ischemia during hemolytic uremic syndrome. Pediatr Nephrol. 2003;18(3):286-9. doi:10.1007/s00467-002-1039-3  PMID:12644926 
121. López-Saucedo C, Cerna JF, Villegas-Sepulveda N, Thompson R, Velazquez FR, Torres J, Tarr PI, Estrada-García T. Single multiplex polymerase chain reaction to detect diverse loci associated with diarrheagenic Escherichia coli. Emerg Infect Dis. 2003;9(1):127-31. doi:10.3201/eid0901.010507  PMCID:PMC2873745  PMID:12533296 
122. Smith JM, Jones F, Ciol MA, Jelacic S, Boster DR, Watkins SL, Williams GD, Tarr PI, Henderson WR Jr. Platelet-activating factor and Escherichia coliO157:H7 infections. Pediatr Nephrol. 2002;17(12):1047-52. PMID:12478356 
123. Tarr CL, Large TM, Moeller CL, Lacher DW, Tarr PI, Acheson DW, Whittam TS. Molecular characterization of a serotype O121:H19 clone, a distinct Shiga toxin-producing clone of pathogenic Escherichia coli. Infect Immun. 2002;70(12):6853-9. PMCID:PMC133070  PMID:12438362 
124. Klein EJ, Stapp JR, Clausen CR, Boster DR, Wells JG, Qin X, Swerdlow DL, Tarr PI. Shiga toxin-producing Escherichia coli in children with diarrhea: a prospective point-of-care study. J Pediatr. 2002;141(2):172-7. PMID:12183710 
125. Lathem WW, Grys TE, Witowski SE, Torres AG, Kaper JB, Tarr PI, Welch RA. StcE, a metalloprotease secreted by Escherichia coli O157:H7, specifically cleaves C1 esterase inhibitor. Mol Microbiol. 2002;45(2):277-88. PMID:12123444 
126. Cornick NA, Jelacic S, Ciol MA, Tarr PI. Escherichia coli O157:H7 infections: discordance between filterable fecal shiga toxin and disease outcome. J Infect Dis. 2002;186(1):57-63. PMID:12089662 
127. Johnson JR, Jerome C, Boster DR, Stapleton AE, Tarr PI. Analysis of urinary Escherichia coli isolates for ability to produce Shiga toxin. J Clin Microbiol. 2002;40(6):2247-8. PMCID:PMC130820  PMID:12037099 
128. Jelacic S, Wobbe CL, Boster DR, Ciol MA, Watkins SL, Tarr PI, Stapleton AE. ABO and P1 blood group antigen expression and stx genotype and outcome of childhood Escherichia coli O157:H7 infections. J Infect Dis. 2002;185(2):214-9. PMID:11807695 
129. Chandler WL, Jelacic S, Boster DR, Ciol MA, Williams GD, Watkins SL, Igarashi T, Tarr PI. Prothrombotic coagulation abnormalities preceding the hemolytic-uremic syndrome. N Engl J Med. 2002;346(1):23-32. PMID:11777999 
130. Schmidt H, Zhang WL, Hemmrich U, Jelacic S, Brunder W, Tarr PI, Dobrindt U, Hacker J, Karch H. Identification and characterization of a novel genomic island integrated at selC in locus of enterocyte effacement-negative, Shiga toxin-producing Escherichia coli. Infect Immun. 2001;69(11):6863-73. PMCID:PMC100065  PMID:11598060 
131. Sprouse JT, Wong CS, Chandler WL, Williams GD, Watkins SL, Tarr PI. Thrombogenic alleles, Escherichia coli O157:H7 infections, and hemolytic uremic syndrome. Blood Coagul Fibrinolysis. 2001;12(4):283-8. PMID:11460012 
132. Tsai HM, Chandler WL, Sarode R, Hoffman R, Jelacic S, Habeeb RL, Watkins SL, Wong CS, Williams GD, Tarr PI. von Willebrand factor and von Willebrand factor-cleaving metalloprotease activity in Escherichia coli O157:H7-associated hemolytic uremic syndrome. Pediatr Res. 2001;49(5):653-9. PMID:11328948 
133. Tarr PI, Schoening LM, Yea YL, Ward TR, Jelacic S, Whittam TS. Acquisition of the rfb-gnd cluster in evolution of Escherichia coli O55 and O157. J Bacteriol. 2000;182(21):6183-91. PMCID:PMC94755  PMID:11029441 
134. Stapp JR, Jelacic S, Yea YL, Klein EJ, Fischer M, Clausen CR, Qin X, Swerdlow DL, Tarr PI. Comparison of Escherichia coli O157:H7 antigen detection in stool and broth cultures to that in sorbitol-MacConkey agar stool cultures. J Clin Microbiol. 2000;38(9):3404-6. PMCID:PMC87394  PMID:10970391 
135. Wong CS, Jelacic S, Habeeb RL, Watkins SL, Tarr PI. The risk of the hemolytic-uremic syndrome after antibiotic treatment of Escherichia coli O157:H7 infections. N Engl J Med. 2000;342(26):1930-6. PMCID:PMC3659814  PMID:10874060 
136. Johnson JR, Russo TA, Tarr PI, Carlino U, Bilge SS, Vary JC Jr, Stell AL. Molecular epidemiological and phylogenetic associations of two novel putative virulence genes, iha and iroN(E. coli), among Escherichia coli isolates from patients with urosepsis. Infect Immun. 2000;68(5):3040-7. PMCID:PMC97527  PMID:10769012 
137. Tarr PI, Bilge SS, Vary JC Jr, Jelacic S, Habeeb RL, Ward TR, Baylor MR, Besser TE. Iha: a novel Escherichia coli O157:H7 adherence-conferring molecule encoded on a recently acquired chromosomal island of conserved structure. Infect Immun. 2000;68(3):1400-7. PMCID:PMC97294  PMID:10678953 
138. Lee DK, Tarr PI, Haigh WG, Lee SP. Bacterial DNA in mixed cholesterol gallstones. Am J Gastroenterol. 1999;94(12):3502-6. PMID:10606311 
139. Kudva IT, Jelacic S, Tarr PI, Youderian P, Hovde CJ. Biocontrol of Escherichia coli O157 with O157-specific bacteriophages. Appl Environ Microbiol. 1999;65(9):3767-73. PMCID:PMC99698  PMID:10473373 
140. Tarr PI, Tran NT, Wilson RA. Escherichia coli O157:H7 in retail ground beef in Seattle: results of a one-year prospective study. J Food Prot. 1999;62(2):133-9. PMID:10030631 
141. Schmidt H, Geitz C, Tarr PI, Frosch M, Karch H. Non-O157:H7 pathogenic Shiga toxin-producing Escherichia coli: phenotypic and genetic profiling of virulence traits and evidence for clonality. J Infect Dis. 1999;179(1):115-23. PMID:9841830 
142. Su C, Brandt LJ, Sigal SH, Alt E, Steinberg JJ, Patterson K, Tarr PI. The immunohistological diagnosis of E. coli O157:H7 colitis: possible association with colonic ischemia. Am J Gastroenterol. 1998;93(7):1055-9. PMID:9672329 
143. Tarr PI, Clausen CR, Whittam TS, Wilson RA. Antibiotic resistance and O antigen expression in Escherichia coli. J Infect Dis. 1998;177(6):1774-5. PMID:9607874 
144. Desmarchelier PM, Bilge SS, Fegan N, Mills L, Vary JC Jr, Tarr PI. A PCR specific for Escherichia coli O157 based on the rfb locus encoding O157 lipopolysaccharide. J Clin Microbiol. 1998;36(6):1801-4. PMCID:PMC104928  PMID:9620428 
145. Brandt JR, Joseph MW, Fouser LS, Tarr PI, Zelikovic I, McDonald RA, Avner ED, McAfee NG, Watkins SL. Cholelithiasis following Escherichia coli O157:H7-associated hemolytic uremic syndrome. Pediatr Nephrol. 1998;12(3):222-5. PMID:9630042 
146. Bell BP, Griffin PM, Lozano P, Christie DL, Kobayashi JM, Tarr PI. Predictors of hemolytic uremic syndrome in children during a large outbreak of Escherichia coli O157:H7 infections. Pediatrics. 1997;100(1):E12. PMID:9200386 
147. Bokete TN, Whittam TS, Wilson RA, Clausen CR, O'Callahan CM, Moseley SL, Fritsche TR, Tarr PI. Genetic and phenotypic analysis of Escherichia coli with enteropathogenic characteristics isolated from Seattle children. J Infect Dis. 1997;175(6):1382-9. PMID:9180177 
148. Hancock DD, Besser TE, Rice DH, Herriott DE, Tarr PI. A longitudinal study of Escherichia coli O157 in fourteen cattle herds. Epidemiol Infect. 1997;118(2):193-5. PMCID:PMC2808780  PMID:9129597 
149. Besser TE, Hancock DD, Pritchett LC, McRae EM, Rice DH, Tarr PI. Duration of detection of fecal excretion of Escherichia coli O157:H7 in cattle. J Infect Dis. 1997;175(3):726-9. PMID:9041355 
150. Bilge SS, Vary JC Jr, Dowell SF, Tarr PI. Role of the Escherichia coli O157:H7 O side chain in adherence and analysis of an rfb locus. Infect Immun. 1996;64(11):4795-801. PMCID:PMC174447  PMID:8890241 
151. Tarr PI, Fouser LS, Stapleton AE, Wilson RA, Kim HH, Vary JC Jr, Clausen CR. Hemolytic-uremic syndrome in a six-year-old girl after a urinary tract infection with Shiga-toxin-producing Escherichia coli O103:H2. N Engl J Med. 1996;335(9):635-8. PMID:8687518 
152. Tarr PI, Haas JE, Christie DL. Biliary atresia, cytomegalovirus, and age at referral. Pediatrics. 1996;97(6 Pt 1):828-31. PMID:8657522 
153. Bensen ES, Jaffe KM, Tarr PI. Acute gastric dilatation in Duchenne muscular dystrophy: a case report and review of the literature. Arch Phys Med Rehabil. 1996;77(5):512-4. PMID:8629931 
154. Grimm LM, Goldoft M, Kobayashi J, Lewis JH, Alfi D, Perdichizzi AM, Tarr PI, Ongerth JE, Moseley SL, Samadpour M. Molecular epidemiology of a fast-food restaurant-associated outbreak of Escherichia coli O157:H7 in Washington State. J Clin Microbiol. 1995;33(8):2155-8. PMCID:PMC228354  PMID:7559967 
155. Kim HH, Samadpour M, Grimm L, Clausen CR, Besser TE, Baylor M, Kobayashi JM, Neill MA, Schoenknecht FD, Tarr PI. Characteristics of antibiotic-resistant Escherichia coli O157:H7 in Washington State, 1984-1991. J Infect Dis. 1994;170(6):1606-9. PMID:7996005 
156. Bell BP, Goldoft M, Griffin PM, Davis MA, Gordon DC, Tarr PI, Bartleson CA, Lewis JH, Barrett TJ, Wells JG. A multistate outbreak of Escherichia coli O157:H7-associated bloody diarrhea and hemolytic uremic syndrome from hamburgers. The Washington experience. JAMA. 1994;272(17):1349-53. PMID:7933395 
157. Cox GJ, Matsui SM, Lo RS, Hinds M, Bowden RA, Hackman RC, Meyer WG, Mori M, Tarr PI, Oshiro LS. Etiology and outcome of diarrhea after marrow transplantation: a prospective study. Gastroenterology. 1994;107(5):1398-407. PMID:7926504 
158. Brandt JR, Fouser LS, Watkins SL, Zelikovic I, Tarr PI, Nazar-Stewart V, Avner ED. Escherichia coli O 157:H7-associated hemolytic-uremic syndrome after ingestion of contaminated hamburgers. J Pediatr. 1994;125(4):519-26. PMID:7931869 
159. Hancock DD, Besser TE, Kinsel ML, Tarr PI, Rice DH, Paros MG. The prevalence of Escherichia coli O157.H7 in dairy and beef cattle in Washington State. Epidemiol Infect. 1994;113(2):199-207. PMCID:PMC2271540  PMID:7925659 
160. Tarr PI. "4+ normal flora" (or is it?) J Pediatr Gastroenterol Nutr. 1994;19(2):145-7. PMID:7815234 
161. Samadpour M, Ongerth JE, Liston J, Tran N, Nguyen D, Whittam TS, Wilson RA, Tarr PI. Occurrence of Shiga-like toxin-producing Escherichia coli in retail fresh seafood, beef, lamb, pork, and poultry from grocery stores in Seattle, Washington. Appl Environ Microbiol. 1994;60(3):1038-40. PMCID:PMC201431  PMID:8161171 
162. Samadpour M, Grimm LM, Desai B, Alfi D, Ongerth JE, Tarr PI. Molecular epidemiology of Escherichia coli O157:H7 strains by bacteriophage lambda restriction fragment length polymorphism analysis: application to a multistate foodborne outbreak and a day-care center cluster. J Clin Microbiol. 1993;31(12):3179-83. PMCID:PMC266372  PMID:7905882 
163. Bokete TN, O'Callahan CM, Clausen CR, Tang NM, Tran N, Moseley SL, Fritsche TR, Tarr PI. Shiga-like toxin-producing Escherichia coli in Seattle children: a prospective study. Gastroenterology. 1993;105(6):1724-31. PMID:8253349 
164. Paros M, Tarr PI, Kim H, Besser TE, Hancock DD. A comparison of human and bovine Escherichia coli O157:H7 isolates by toxin genotype, plasmid profile, and bacteriophage lambda-restriction fragment length polymorphism profile. J Infect Dis. 1993;168(5):1300-3. PMID:8053998 
165. Tarr PI, Weinberger E, Hatch EI Jr, Christie DL. Bacterial ileocecitis caused by Escherichia coli O157:H7. J Pediatr Gastroenterol Nutr. 1992;14(3):261-3. PMID:1619529 
166. Montgomery KF, Osborn L, Hession C, Tizard R, Goff D, Vassallo C, Tarr PI, Bomsztyk K, Lobb R, Harlan JM. Activation of endothelial-leukocyte adhesion molecule 1 (ELAM-1) gene transcription. Proc Natl Acad Sci U S A. 1991;88(15):6523-7. PMCID:PMC52118  PMID:1713680 
167. Tarr PI, Neill MA, Clausen CR, Watkins SL, Christie DL, Hickman RO. Escherichia coli O157:H7 and the hemolytic uremic syndrome: importance of early cultures in establishing the etiology. J Infect Dis. 1990;162(2):553-6. PMID:2197346 
168. Samadpour M, Liston J, Ongerth JE, Tarr PI. Evaluation of DNA probes for detection of Shiga-like-toxin-producing Escherichia coli in food and calf fecal samples. Appl Environ Microbiol. 1990;56(5):1212-5. PMCID:PMC184384  PMID:2187410 
169. Ostroff SM, Tarr PI, Neill MA, Lewis JH, Hargrett-Bean N, Kobayashi JM. Toxin genotypes and plasmid profiles as determinants of systemic sequelae in Escherichia coli O157:H7 infections. J Infect Dis. 1989;160(6):994-8. PMID:2685131 
170. Tarr PI, Neill MA, Allen J, Siccardi CJ, Watkins SL, Hickman RO. The increasing incidence of the hemolytic-uremic syndrome in King County, Washington: lack of evidence for ascertainment bias. Am J Epidemiol. 1989;129(3):582-6. PMID:2916551 
171. Tarr PI, Neill MA, Clausen CR, Newland JW, Neill RJ, Moseley SL. Genotypic variation in pathogenic Escherichia coli O157:H7 isolated from patients in Washington, 1984-1987. J Infect Dis. 1989;159(2):344-7. PMID:2644374 
172. Tarr PI, Aline RF Jr, Smiley BL, Scholler J, Keithly J, Stuart K. LR1: a candidate RNA virus of Leishmania. Proc Natl Acad Sci U S A. 1988;85(24):9572-5. PMCID:PMC282800  PMID:3200841 
173. Tarr PI, Hickman RO. Hemolytic uremic syndrome epi