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Campylobacter jejuni Strain Dynamics in a Raccoon (Procyon lotor) Population in Southern Ontario, Canada: High Prevalence and Rapid Subtype Turnover.

Mutschall SK, Hetman BM, Bondo KJ, Gannon VPJ, Jardine CM, Taboada EN.

Front Vet Sci. 2020 Feb 11;7:27. doi: 10.3389/fvets.2020.00027. eCollection 2020.


Multi-Year Persistence of Verotoxigenic Escherichia coli (VTEC) in a Closed Canadian Beef Herd: A Cohort Study.

Wang LYR, Jokinen CC, Laing CR, Johnson RP, Ziebell K, Gannon VPJ.

Front Microbiol. 2018 Aug 31;9:2040. doi: 10.3389/fmicb.2018.02040. eCollection 2018.


Spfy: an integrated graph database for real-time prediction of bacterial phenotypes and downstream comparative analyses.

Le KK, Whiteside MD, Hopkins JE, Gannon VPJ, Laing CR.

Database (Oxford). 2018 Jan 1;2018:1-10. doi: 10.1093/database/bay086.


Phylotyper: in silico predictor of gene subtypes.

Whiteside MD, Gannon VPJ, Laing CR.

Bioinformatics. 2017 Nov 15;33(22):3638-3641. doi: 10.1093/bioinformatics/btx459.


Pan-genome Analyses of the Species Salmonella enterica, and Identification of Genomic Markers Predictive for Species, Subspecies, and Serovar.

Laing CR, Whiteside MD, Gannon VPJ.

Front Microbiol. 2017 Jul 31;8:1345. doi: 10.3389/fmicb.2017.01345. eCollection 2017.


A Genome-Wide Association Study to Identify Diagnostic Markers for Human Pathogenic Campylobacter jejuni Strains.

Buchanan CJ, Webb AL, Mutschall SK, Kruczkiewicz P, Barker DOR, Hetman BM, Gannon VPJ, Abbott DW, Thomas JE, Inglis GD, Taboada EN.

Front Microbiol. 2017 Jun 30;8:1224. doi: 10.3389/fmicb.2017.01224. eCollection 2017.


The EpiQuant Framework for Computing Epidemiological Concordance of Microbial Subtyping Data.

Hetman BM, Mutschall SK, Thomas JE, Gannon VPJ, Clark CG, Pollari F, Taboada EN.

J Clin Microbiol. 2017 May;55(5):1334-1349. doi: 10.1128/JCM.01945-16. Epub 2017 Feb 15.


SuperPhy: predictive genomics for the bacterial pathogen Escherichia coli.

Whiteside MD, Laing CR, Manji A, Kruczkiewicz P, Taboada EN, Gannon VP.

BMC Microbiol. 2016 Apr 12;16:65. doi: 10.1186/s12866-016-0680-0.


Comparative Genomic Analysis of Escherichia coli O157:H7 Isolated from Super-Shedder and Low-Shedder Cattle.

Munns KD, Zaheer R, Xu Y, Stanford K, Laing CR, Gannon VP, Selinger LB, McAllister TA.

PLoS One. 2016 Mar 28;11(3):e0151673. doi: 10.1371/journal.pone.0151673. eCollection 2016.


Comparative Genomic Analysis of Mannheimia haemolytica from Bovine Sources.

Klima CL, Cook SR, Zaheer R, Laing C, Gannon VP, Xu Y, Rasmussen J, Potter A, Hendrick S, Alexander TW, McAllister TA.

PLoS One. 2016 Feb 29;11(2):e0149520. doi: 10.1371/journal.pone.0149520. eCollection 2016.


The Salmonella In Silico Typing Resource (SISTR): An Open Web-Accessible Tool for Rapidly Typing and Subtyping Draft Salmonella Genome Assemblies.

Yoshida CE, Kruczkiewicz P, Laing CR, Lingohr EJ, Gannon VP, Nash JH, Taboada EN.

PLoS One. 2016 Jan 22;11(1):e0147101. doi: 10.1371/journal.pone.0147101. eCollection 2016.


The distribution of Salmonella enterica serovars and subtypes in surface water from five agricultural regions across Canada.

Jokinen CC, Koot J, Cole L, Desruisseau A, Edge TA, Khan IU, Koning W, Lapen DR, Pintar KD, Reid-Smith R, Thomas JL, Topp E, Wang LY, Wilkes G, Ziebell K, van Bochove E, Gannon VP.

Water Res. 2015 Jun 1;76:120-31. doi: 10.1016/j.watres.2015.02.038. Epub 2015 Mar 3.


A new pyrosequencing assay for rapid detection and genotyping of Shiga toxin, intimin and O157-specific rfbE genes of Escherichia coli.

Goji N, Mathews A, Huszczynski G, Laing CR, Gannon VP, Graham MR, Amoako KK.

J Microbiol Methods. 2015 Feb;109:167-79. doi: 10.1016/j.mimet.2014.12.003. Epub 2014 Dec 15.


Exploiting the explosion of information associated with whole genome sequencing to tackle Shiga toxin-producing Escherichia coli (STEC) in global food production systems.

Franz E, Delaquis P, Morabito S, Beutin L, Gobius K, Rasko DA, Bono J, French N, Osek J, Lindstedt BA, Muniesa M, Manning S, LeJeune J, Callaway T, Beatson S, Eppinger M, Dallman T, Forbes KJ, Aarts H, Pearl DL, Gannon VP, Laing CR, Strachan NJ.

Int J Food Microbiol. 2014 Sep 18;187:57-72. doi: 10.1016/j.ijfoodmicro.2014.07.002. Epub 2014 Jul 11. Review. Erratum in: Int J Food Microbiol. 2015 Jan 16;193:159.


Characteristics of clinical Shiga toxin-producing Escherichia coli isolated from British Columbia.

Allen KJ, Laing CR, Cancarevic A, Zhang Y, Mesak LR, Xu H, Paccagnella A, Gannon VP, Hoang L.

Biomed Res Int. 2013;2013:878956. doi: 10.1155/2013/878956. Epub 2013 Oct 2.


Quantitative multi-year elucidation of fecal sources of waterborne pathogen contamination in the South Nation River basin using bacteroidales microbial source tracking markers.

Marti R, Gannon VP, Jokinen C, Lanthier M, Lapen DR, Neumann NF, Ruecker NJ, Scott A, Wilkes G, Zhang Y, Topp E.

Water Res. 2013 May 1;47(7):2315-24. doi: 10.1016/j.watres.2013.02.009. Epub 2013 Feb 14.


Spatiotemporal analysis of Cryptosporidium species/genotypes and relationships with other zoonotic pathogens in surface water from mixed-use watersheds.

Wilkes G, Ruecker NJ, Neumann NF, Gannon VP, Jokinen C, Sunohara M, Topp E, Pintar KD, Edge TA, Lapen DR.

Appl Environ Microbiol. 2013 Jan;79(2):434-48. doi: 10.1128/AEM.01924-12. Epub 2012 Nov 2.


An enhanced technique combining pre-enrichment and passive filtration increases the isolation efficiency of Campylobacter jejuni and Campylobacter coli from water and animal fecal samples.

Jokinen CC, Koot JM, Carrillo CD, Gannon VP, Jardine CM, Mutschall SK, Topp E, Taboada EN.

J Microbiol Methods. 2012 Dec;91(3):506-13. doi: 10.1016/j.mimet.2012.09.005. Epub 2012 Sep 14.


A comparison of Shiga-toxin 2 bacteriophage from classical enterohemorrhagic Escherichia coli serotypes and the German E. coli O104:H4 outbreak strain.

Laing CR, Zhang Y, Gilmour MW, Allen V, Johnson R, Thomas JE, Gannon VP.

PLoS One. 2012;7(5):e37362. doi: 10.1371/journal.pone.0037362. Epub 2012 May 23.


Spatial and temporal drivers of zoonotic pathogen contamination of an agricultural watershed.

Jokinen CC, Edge TA, Koning W, Laing CR, Lapen DR, Miller J, Mutschall S, Scott A, Taboada EN, Thomas JE, Topp E, Wilkes G, Gannon VP.

J Environ Qual. 2012 Jan-Feb;41(1):242-52. doi: 10.2134/jeq2011.0203.


Development and validation of a comparative genomic fingerprinting method for high-resolution genotyping of Campylobacter jejuni.

Taboada EN, Ross SL, Mutschall SK, Mackinnon JM, Roberts MJ, Buchanan CJ, Kruczkiewicz P, Jokinen CC, Thomas JE, Nash JH, Gannon VP, Marshall B, Pollari F, Clark CG.

J Clin Microbiol. 2012 Mar;50(3):788-97. doi: 10.1128/JCM.00669-11. Epub 2011 Dec 14.


Identification of Salmonella enterica species- and subgroup-specific genomic regions using Panseq 2.0.

Laing C, Villegas A, Taboada EN, Kropinski A, Thomas JE, Gannon VP.

Infect Genet Evol. 2011 Dec;11(8):2151-61. doi: 10.1016/j.meegid.2011.09.021. Epub 2011 Oct 1.


Associations among pathogenic bacteria, parasites, and environmental and land use factors in multiple mixed-use watersheds.

Wilkes G, Edge TA, Gannon VP, Jokinen C, Lyautey E, Neumann NF, Ruecker N, Scott A, Sunohara M, Topp E, Lapen DR.

Water Res. 2011 Nov 15;45(18):5807-25. doi: 10.1016/j.watres.2011.06.021. Epub 2011 Jun 26.


Everything at once: comparative analysis of the genomes of bacterial pathogens.

Laing CR, Zhang Y, Thomas JE, Gannon VP.

Vet Microbiol. 2011 Nov 21;153(1-2):13-26. doi: 10.1016/j.vetmic.2011.06.014. Epub 2011 Jun 26.


Gene cluster conferring streptomycin, sulfonamide, and tetracycline resistance in Escherichia coli O157:H7 phage types 23, 45, and 67.

Ziebell K, Johnson RP, Kropinski AM, Reid-Smith R, Ahmed R, Gannon VP, Gilmour M, Boerlin P.

Appl Environ Microbiol. 2011 Mar;77(5):1900-3. doi: 10.1128/AEM.01934-10. Epub 2011 Jan 14.


Molecular subtypes of Campylobacter spp., Salmonella enterica, and Escherichia coli O157:H7 isolated from faecal and surface water samples in the Oldman River watershed, Alberta, Canada.

Jokinen C, Edge TA, Ho S, Koning W, Laing C, Mauro W, Medeiros D, Miller J, Robertson W, Taboada E, Thomas JE, Topp E, Ziebell K, Gannon VP.

Water Res. 2011 Jan;45(3):1247-57. doi: 10.1016/j.watres.2010.10.001.


Pan-genome sequence analysis using Panseq: an online tool for the rapid analysis of core and accessory genomic regions.

Laing C, Buchanan C, Taboada EN, Zhang Y, Kropinski A, Villegas A, Thomas JE, Gannon VP.

BMC Bioinformatics. 2010 Sep 15;11:461. doi: 10.1186/1471-2105-11-461.


The occurrence and sources of Campylobacter spp., Salmonella enterica and Escherichia coli O157:H7 in the Salmon River, British Columbia, Canada.

Jokinen CC, Schreier H, Mauro W, Taboada E, Isaac-Renton JL, Topp E, Edge T, Thomas JE, Gannon VP.

J Water Health. 2010 Jun;8(2):374-86. doi: 10.2166/wh.2009.076. Epub 2009 Nov 9.


Lineage and host source are both correlated with levels of Shiga toxin 2 production by Escherichia coli O157:H7 strains.

Zhang Y, Laing C, Zhang Z, Hallewell J, You C, Ziebell K, Johnson RP, Kropinski AM, Thomas JE, Karmali M, Gannon VP.

Appl Environ Microbiol. 2010 Jan;76(2):474-82. doi: 10.1128/AEM.01288-09. Epub 2009 Nov 30.


Two distinct groups of porcine enteropathogenic Escherichia coli strains of serogroup O45 are revealed by comparative genomic hybridization and virulence gene microarray.

Bruant G, Zhang Y, Garneau P, Wong J, Laing C, Fairbrother JM, Gannon VP, Harel J.

BMC Genomics. 2009 Aug 26;10:402. doi: 10.1186/1471-2164-10-402.


In silico genomic analyses reveal three distinct lineages of Escherichia coli O157:H7, one of which is associated with hyper-virulence.

Laing CR, Buchanan C, Taboada EN, Zhang Y, Karmali MA, Thomas JE, Gannon VP.

BMC Genomics. 2009 Jun 29;10:287. doi: 10.1186/1471-2164-10-287.


Rapid determination of Escherichia coli O157:H7 lineage types and molecular subtypes by using comparative genomic fingerprinting.

Laing C, Pegg C, Yawney D, Ziebell K, Steele M, Johnson R, Thomas JE, Taboada EN, Zhang Y, Gannon VP.

Appl Environ Microbiol. 2008 Nov;74(21):6606-15. doi: 10.1128/AEM.00985-08. Epub 2008 Sep 12.


Comparative genomic assessment of Multi-Locus Sequence Typing: rapid accumulation of genomic heterogeneity among clonal isolates of Campylobacter jejuni.

Taboada EN, Mackinnon JM, Luebbert CC, Gannon VP, Nash JH, Rahn K.

BMC Evol Biol. 2008 Aug 8;8:229. doi: 10.1186/1471-2148-8-229.


Genome evolution in major Escherichia coli O157:H7 lineages.

Zhang Y, Laing C, Steele M, Ziebell K, Johnson R, Benson AK, Taboada E, Gannon VP.

BMC Genomics. 2007 May 16;8:121.


Use of in-stream reservoirs to reduce bacterial contamination of rural watersheds.

Gannon VP, Duke GD, Thomas JE, Vanleeuwen J, Byrne J, Johnson D, Kienzle SW, Little J, Graham T, Selinger B.

Sci Total Environ. 2005 Sep 15;348(1-3):19-31.


Bacterial pathogens in rural water supplies in Southern Alberta, Canada.

Gannon VP, Graham TA, Read S, Ziebell K, Muckle A, Mori J, Thomas J, Selinger B, Townshend I, Byrne J.

J Toxicol Environ Health A. 2004 Oct 22-Nov 26;67(20-22):1643-53.


Prevalence of Escherichia coli O157:H7 and Salmonella spp. in surface waters of southern Alberta and its relation to manure sources.

Johnson JY, Thomas JE, Graham TA, Townshend I, Byrne J, Selinger LB, Gannon VP.

Can J Microbiol. 2003 May;49(5):326-35.


Effect of monensin on survival and growth of Escherichia coli O 157:H7 in vitro.

Bach SJ, McAllister TA, Veira DM, Gannon VP, Holley RA.

Can Vet J. 2002 Sep;43(9):718-9. No abstract available.


Escherichia coli O157:H7 infection in cows and calves in a beef cattle herd in Alberta, Canada.

Gannon VP, Graham TA, King R, Michel P, Read S, Ziebell K, Johnson RP.

Epidemiol Infect. 2002 Aug;129(1):163-72.


Persistence of Escherichia coli O157:H7 in barley silage: effect of a bacterial inoculant.

Bach SJ, McAllister TA, Baah J, Yanke LJ, Veira DM, Gannon VP, Holley RA.

J Appl Microbiol. 2002;93(2):288-94.


Immunological characterization of Escherichia coli O157:H7 intimin gamma1.

Son WG, Graham TA, Gannon VP.

Clin Diagn Lab Immunol. 2002 Jan;9(1):46-53.


The effect of different grain diets on fecal shedding of Escherichia coli O157:H7 by steers.

Buchko SJ, Holley RA, Olson WO, Gannon VP, Veira DM.

J Food Prot. 2000 Nov;63(11):1467-74.


Verification of the level of Microbiological Control for the Slaughter and Cooling Processes of Beef Carcass Production at a High-line-Speed Abattoir.

Jericho KWF, Kozub GC, Gannon VPJ, Golsteyn Thomas EJ, King RK, Bigham RL, Tanaka EE, Dixon-MacDOUGALL JM, Nishiyama BJ, Kirbyson H, Bradley JA.

J Food Prot. 1997 Dec;60(12):1509-1514. doi: 10.4315/0362-028X-60.12.1509.


Inter- and intraspecies comparison of the 16S-23S rRNA operon intergenic spacer regions of six Listeria spp.

Graham TA, Golsteyn-Thomas EJ, Thomas JE, Gannon VP.

Int J Syst Bacteriol. 1997 Jul;47(3):863-9.


Specific identification of Escherichia coli O157:H7 using a multiplex PCR assay.

Gannon VP, D'Souza S, Graham T, King RK.

Adv Exp Med Biol. 1997;412:81-2. No abstract available.


Purification and some properties of a Vero toxin 2 (Shiga-like toxin II) variant (SLT-IIva) of Escherichia coli isolated from infantile diarrhea.

Ohmura M, Cao C, Karasawa T, Okuda J, Kurazono H, Gannon VP, Gyles CL, Takeda Y.

Microb Pathog. 1993 Nov;15(5):399-405.


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