Johnson RP - Search Results

1

Risk factors associated with Escherichia coli O157:H7 in Ontario beef cow-calf operations.

Cernicchiaro N, Pearl DL, Ghimire S, Gyles CL, Johnson RP, LeJeune JT, Ziebell K, McEwen SA. Cernicchiaro N, et al. Among authors: johnson rp. Prev Vet Med. 2009 Nov 1;92(1-2):106-15. doi: 10.1016/j.prevetmed.2009.07.004. Epub 2009 Aug 19. Prev Vet Med. 2009. PMID: 19692131

2

Influence of animal origin and lineage on survival of Escherichia coli O157:H7 strains in strong and weak acid challenges.

Saridakis CE, Johnson RP, Benson A, Ziebell K, Gyles CL. Saridakis CE, et al. Among authors: johnson rp. J Food Prot. 2004 Aug;67(8):1591-6. doi: 10.4315/0362-028x-67.8.1591. J Food Prot. 2004. PMID: 15330520 Free article.

3

Escherichia coli O157:H7 and other Shiga toxin-producing E. coli in white veal calves.

Cristancho L, Johnson RP, McEwen SA, Gyles CL. Cristancho L, et al. Among authors: johnson rp. Vet Microbiol. 2008 Jan 1;126(1-3):200-9. doi: 10.1016/j.vetmic.2007.06.012. Epub 2007 Jun 22. Vet Microbiol. 2008. PMID: 17656044

4

Prevalence and characterization of verotoxin-producing Escherichia coli (VTEC) in cattle from an Ontario abattoir.

Karama M, Johnson RP, Holtslander R, McEwen SA, Gyles CL. Karama M, et al. Among authors: johnson rp. Can J Vet Res. 2008 Jul;72(4):297-302. Can J Vet Res. 2008. PMID: 18783017 Free PMC article.

5

Evaluation of bacteriophages for prevention and treatment of diarrhea due to experimental enterotoxigenic Escherichia coli O149 infection of pigs.

Jamalludeen N, Johnson RP, Shewen PE, Gyles CL. Jamalludeen N, et al. Among authors: johnson rp. Vet Microbiol. 2009 Apr 14;136(1-2):135-41. doi: 10.1016/j.vetmic.2008.10.021. Epub 2008 Oct 28. Vet Microbiol. 2009. PMID: 19058927

6

Use of a Shiga toxin (Stx)-enzyme-linked immunosorbent assay and immunoblot for detection and isolation of Stx-producing Escherichia coli from naturally contaminated beef.

Atalla HN, Johnson R, McEwen S, Usborne RW, Gyles CL. Atalla HN, et al. J Food Prot. 2000 Sep;63(9):1167-72. doi: 10.4315/0362-028x-63.9.1167. J Food Prot. 2000. PMID: 10983787 Free article.

7

Risk factors for infection with verocytotoxigenic Escherichia coli in cattle on Ontario dairy farms.

Wilson JB, Renwick SA, Clarke RC, Rahn K, Alves D, Johnson RP, Ellis AG, McEwen SA, Karmali MA, Lior H, Spika J. Wilson JB, et al. Among authors: johnson rp. Prev Vet Med. 1998 Feb 27;34(2-3):227-36. doi: 10.1016/s0167-5877(97)00010-x. Prev Vet Med. 1998. PMID: 9604270

8

Repeatability of the Petrifilm HEC test and agreement with a hydrophobic grid membrane filtration method for the enumeration of Escherichia coli O157:H7 on beef carcasses.

Power CA, McEwen SA, Johnson RP, Shoukri MM, Rahn K, Griffiths MW, De Grandis SA. Power CA, et al. Among authors: johnson rp. J Food Prot. 1998 Apr;61(4):402-8. doi: 10.4315/0362-028x-61.4.402. J Food Prot. 1998. PMID: 9709201 Free article.

9

Genotypic characterization and prevalence of virulence factors among Canadian Escherichia coli O157:H7 strains.

Ziebell K, Steele M, Zhang Y, Benson A, Taboada EN, Laing C, McEwen S, Ciebin B, Johnson R, Gannon V. Ziebell K, et al. Appl Environ Microbiol. 2008 Jul;74(14):4314-23. doi: 10.1128/AEM.02821-07. Epub 2008 May 16. Appl Environ Microbiol. 2008. PMID: 18487402 Free PMC article.

10

Isolation and characterization of nine bacteriophages that lyse O149 enterotoxigenic Escherichia coli.

Jamalludeen N, Johnson RP, Friendship R, Kropinski AM, Lingohr EJ, Gyles CL. Jamalludeen N, et al. Among authors: johnson rp. Vet Microbiol. 2007 Sep 20;124(1-2):47-57. doi: 10.1016/j.vetmic.2007.03.028. Epub 2007 Mar 30. Vet Microbiol. 2007. PMID: 17560053

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