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Items: 1 to 50 of 52

1.

Diversity of transducer-like proteins (Tlps) in Campylobacter.

Clark C, Berry C, Demczuk W.

PLoS One. 2019 Mar 25;14(3):e0214228. doi: 10.1371/journal.pone.0214228. eCollection 2019.

2.
3.

Multi-target plasmid controls for conventional and real-time PCR-based serotyping of Streptococcus pneumoniae.

Schembri J, Gillis HD, Lang ALS, Warhuus M, Martin I, Demczuk W, ElSherif M, McNeil SA, LeBlanc JJ.

Plasmid. 2018 Jun;98:45-51. doi: 10.1016/j.plasmid.2018.09.005. Epub 2018 Sep 12.

PMID:
30217467
4.

Group A Streptococcus Outbreak in a Canadian Armed Forces Training Facility.

Hammond-Collins K, Strauss B, Barnes K, Demczuk W, Domingo MC, Lamontagne MC, Lu D, Martin I, Tepper M.

Mil Med. 2019 Mar 1;184(3-4):e197-e204. doi: 10.1093/milmed/usy198.

PMID:
30137490
5.

Molecular characterization of predominant Streptococcus pneumoniae serotypes causing invasive infections in Canada: the SAVE study, 2011-15.

Golden AR, Adam HJ, Karlowsky JA, Baxter M, Nichol KA, Martin I, Demczuk W, Van Caeseele P, Gubbay JB, Lefebvre B, Levett PN, Zahariadis G, Haldane D, Gad R, German G, Gilmour MW, Mulvey MR, Hoban DJ, Zhanel GG; Canadian Antimicrobial Resistance Alliance (CARA).

J Antimicrob Chemother. 2018 Jul 1;73(suppl_7):vii20-vii31. doi: 10.1093/jac/dky157.

PMID:
29982573
6.

Analysis of multidrug resistance in the predominant Streptococcus pneumoniae serotypes in Canada: the SAVE study, 2011-15.

Adam HJ, Golden AR, Karlowsky JA, Baxter MR, Nichol KA, Martin I, Demczuk W, Mulvey MR, Gilmour MW, Hoban DJ, Zhanel GG; Canadian Antimicrobial Resistance Alliance (CARA).

J Antimicrob Chemother. 2018 Jul 1;73(suppl_7):vii12-vii19. doi: 10.1093/jac/dky158.

PMID:
29982572
7.

Antimicrobial susceptibility testing of invasive isolates of Streptococcus pneumoniae from Canadian patients: the SAVE study, 2011-15.

Karlowsky JA, Adam HJ, Golden AR, Baxter MR, Nichol KA, Martin I, Demczuk W, Mulvey MR, Gilmour MW, Hoban DJ, Zhanel GG; Canadian Antimicrobial Resistance Alliance (CARA).

J Antimicrob Chemother. 2018 Jul 1;73(suppl_7):vii5-vii11. doi: 10.1093/jac/dky156.

PMID:
29982570
8.

Serotype distribution of invasive Streptococcus pneumoniae in adults 65 years of age and over after the introduction of childhood 13-valent pneumococcal conjugate vaccination programs in Canada, 2010-2016.

Demczuk WHB, Martin I, Desai S, Griffith A, Caron-Poulin L, Lefebvre B, McGeer A, Tyrrell GJ, Zhanel GG, Gubbay J, Hoang L, Levett PN, Van Caeseele P, Raafat Gad R, Haldane D, Zahariadis G, German G, Daley Bernier J, Strudwick L, Mulvey MR.

Vaccine. 2018 Jul 25;36(31):4701-4707. doi: 10.1016/j.vaccine.2018.06.018. Epub 2018 Jun 21.

PMID:
29937245
9.

Canada-Wide Epidemic of emm74 Group A Streptococcus Invasive Disease.

Teatero S, McGeer A, Tyrrell GJ, Hoang L, Smadi H, Domingo MC, Levett PN, Finkelstein M, Dewar K, Plevneshi A, Athey TBT, Gubbay JB, Mulvey MR, Martin I, Demczuk W, Fittipaldi N.

Open Forum Infect Dis. 2018 Apr 20;5(5):ofy085. doi: 10.1093/ofid/ofy085. eCollection 2018 May.

10.

Cooperative Recognition of Internationally Disseminated Ceftriaxone-Resistant Neisseria gonorrhoeae Strain.

Lahra MM, Martin I, Demczuk W, Jennison AV, Lee KI, Nakayama SI, Lefebvre B, Longtin J, Ward A, Mulvey MR, Wi T, Ohnishi M, Whiley D.

Emerg Infect Dis. 2018 Apr;24(4). doi: 10.3201/eid2404.171873.

11.

A Comparison of Real-Time Polymerase Chain Reaction Assays for the Detection of Antimicrobial Resistance Markers and Sequence Typing From Clinical Nucleic Acid Amplification Test Samples and Matched Neisseria gonorrhoeae Culture.

Peterson SW, Martin I, Demczuk W, Hoang L, Wylie J, Lefebvre B, Labbé AC, Naidu P, Haldane D, Mulvey MR.

Sex Transm Dis. 2018 Feb;45(2):92-95. doi: 10.1097/OLQ.0000000000000707.

PMID:
29329177
12.

Comparison of sequential multiplex PCR, sequetyping and whole genome sequencing for serotyping of Streptococcus pneumoniae.

Mauffrey F, Fournier É, Demczuk W, Martin I, Mulvey M, Martineau C, Lévesque S, Bekal S, Domingo MC, Doualla-Bell F, Longtin J, Lefebvre B.

PLoS One. 2017 Dec 13;12(12):e0189163. doi: 10.1371/journal.pone.0189163. eCollection 2017.

13.

PCR-based discrimination of emerging Streptococcus pneumoniae serotypes 22F and 33F.

Gillis HD, Demczuk WHB, Griffith A, Martin I, Warhuus M, Lang ALS, ElSherif M, McNeil SA, LeBlanc JJ.

J Microbiol Methods. 2018 Jan;144:99-106. doi: 10.1016/j.mimet.2017.11.017. Epub 2017 Nov 21.

PMID:
29162393
14.

Ceftriaxone-Resistant Neisseria gonorrhoeae, Canada, 2017.

Lefebvre B, Martin I, Demczuk W, Deshaies L, Michaud S, Labbé AC, Beaudoin MC, Longtin J.

Emerg Infect Dis. 2018 Feb;24(2). doi: 10.3201/eid2402.171756. Epub 2018 Feb 17.

15.

Genetic evidence for a novel variant of the pilus island 1 backbone protein in group B Streptococcus.

Teatero S, Neemuchwala A, Yang K, Gomes J, Athey TBT, Martin I, Demczuk W, McGeer A, Fittipaldi N.

J Med Microbiol. 2017 Oct;66(10):1409-1415. doi: 10.1099/jmm.0.000588. Epub 2017 Sep 19.

PMID:
28923133
16.

Clonal Clusters and Virulence Factors of Group C and G Streptococcus Causing Severe Infections, Manitoba, Canada, 2012-2014.

Lother SA, Demczuk W, Martin I, Mulvey M, Dufault B, Lagacé-Wiens P, Keynan Y.

Emerg Infect Dis. 2017 Jul;23(7):1079-1088. doi: 10.3201/eid2307.161259.

17.

Phylogenetic analysis of emergent Streptococcus pneumoniae serotype 22F causing invasive pneumococcal disease using whole genome sequencing.

Demczuk WHB, Martin I, Hoang L, Van Caeseele P, Lefebvre B, Horsman G, Haldane D, Gubbay J, Ratnam S, German G, Daley Bernier J, Strudwick L, McGeer A, Zhanel GG, Van Domselaar G, Graham M, Mulvey MR.

PLoS One. 2017 May 22;12(5):e0178040. doi: 10.1371/journal.pone.0178040. eCollection 2017.

18.

Decreased Azithromycin Susceptibility of Neisseria gonorrhoeae Isolates in Patients Recently Treated with Azithromycin.

Wind CM, de Vries E, Schim van der Loeff MF, van Rooijen MS, van Dam AP, Demczuk WHB, Martin I, de Vries HJC.

Clin Infect Dis. 2017 Jul 1;65(1):37-45. doi: 10.1093/cid/cix249.

PMID:
28510723
19.

Decreased azithromycin susceptibility of Neisseria gonorrhoeae isolates in patients recently treated with azithromycin.

Wind CM, de Vries E, Schim van der Loeff MF, van Rooijen MS, van Dam AP, Demczuk WH, Martin I, de Vries HJ.

Clin Infect Dis. 2017 Mar 24. doi: 10.1093/clinid/cix249. [Epub ahead of print]

PMID:
28369420
20.

WGS to predict antibiotic MICs for Neisseria gonorrhoeae.

Eyre DW, De Silva D, Cole K, Peters J, Cole MJ, Grad YH, Demczuk W, Martin I, Mulvey MR, Crook DW, Walker AS, Peto TEA, Paul J.

J Antimicrob Chemother. 2017 Jul 1;72(7):1937-1947. doi: 10.1093/jac/dkx067.

21.

Neisseria gonorrhoeae Sequence Typing for Antimicrobial Resistance, a Novel Antimicrobial Resistance Multilocus Typing Scheme for Tracking Global Dissemination of N. gonorrhoeae Strains.

Demczuk W, Sidhu S, Unemo M, Whiley DM, Allen VG, Dillon JR, Cole M, Seah C, Trembizki E, Trees DL, Kersh EN, Abrams AJ, de Vries HJC, van Dam AP, Medina I, Bharat A, Mulvey MR, Van Domselaar G, Martin I.

J Clin Microbiol. 2017 May;55(5):1454-1468. doi: 10.1128/JCM.00100-17. Epub 2017 Feb 22.

22.

Serotype Distribution, Population Structure, and Antimicrobial Resistance of Group B Streptococcus Strains Recovered from Colonized Pregnant Women.

Teatero S, Ferrieri P, Martin I, Demczuk W, McGeer A, Fittipaldi N.

J Clin Microbiol. 2017 Feb;55(2):412-422. doi: 10.1128/JCM.01615-16. Epub 2016 Nov 16.

23.

Complete Genome Sequences of Neisseria gonorrhoeae with Coresistance to First-Line Antimicrobials.

Bharat A, Martin I, Demczuk W, Allen V, Haldane D, Hoang L, Mulvey MR.

Genome Announc. 2016 Sep 8;4(5). pii: e00966-16. doi: 10.1128/genomeA.00966-16.

24.

International circumpolar surveillance interlaboratory quality control program for emm typing of Streptococcus pyogenes, 2011-2015.

Rudolph K, Martin I, Demczuk W, Kakulphimp J, Bruden D, Zulz T, Bruce M.

Diagn Microbiol Infect Dis. 2016 Aug;85(4):398-400. doi: 10.1016/j.diagmicrobio.2016.05.005. Epub 2016 May 12.

25.

Evaluation of the Enhanced Invasive Pneumococcal Disease Surveillance System (eIPDSS) Pilot Project.

Wijayasri S, Li YA, Squires SG, Martin I, Demczuk W, Mukhi S.

Can Commun Dis Rep. 2016 Apr 7;42(4):83-88. eCollection 2016 Apr 7.

26.

Invasive Bacterial Diseases in Northern Canada, 2006-2013.

Li YA, Martin I, Tsang R, Squires SG, Demczuk W, Desai S.

Can Commun Dis Rep. 2016 Apr 7;42(4):74-82. eCollection 2016 Apr 7.

27.

Genomic Epidemiology and Molecular Resistance Mechanisms of Azithromycin-Resistant Neisseria gonorrhoeae in Canada from 1997 to 2014.

Demczuk W, Martin I, Peterson S, Bharat A, Van Domselaar G, Graham M, Lefebvre B, Allen V, Hoang L, Tyrrell G, Horsman G, Wylie J, Haldane D, Archibald C, Wong T, Unemo M, Mulvey MR.

J Clin Microbiol. 2016 May;54(5):1304-13. doi: 10.1128/JCM.03195-15. Epub 2016 Mar 2.

28.

Association of serotype with respiratory presentations of pneumococcal infection, Ontario, Canada, 2003-2011.

Shigayeva A, Rudnick W, Green K, Tyrrell G, Demczuk WH, Gold WL, Gubbay J, Jamieson F, Plevneshi A, Pong-Porter S, Richardson S, McGeer A; Toronto Invasive Bacterial Diseases Network.

Vaccine. 2016 Feb 3;34(6):846-53. doi: 10.1016/j.vaccine.2015.11.021. Epub 2015 Nov 18.

PMID:
26602266
29.

Invasive Pneumococcal Disease Among Immunocompromised Persons: Implications for Vaccination Programs.

Shigayeva A, Rudnick W, Green K, Chen DK, Demczuk W, Gold WL, Johnstone J, Kitai I, Krajden S, Lovinsky R, Muller M, Powis J, Rau N, Walmsley S, Tyrrell G, Bitnun A, McGeer A; Toronto Invasive Bacterial Diseases Network.

Clin Infect Dis. 2016 Jan 15;62(2):139-47. doi: 10.1093/cid/civ803. Epub 2015 Sep 9.

PMID:
26354970
30.

Molecular Assay for Detection of Ciprofloxacin Resistance in Neisseria gonorrhoeae Isolates from Cultures and Clinical Nucleic Acid Amplification Test Specimens.

Peterson SW, Martin I, Demczuk W, Bharat A, Hoang L, Wylie J, Allen V, Lefebvre B, Tyrrell G, Horsman G, Haldane D, Garceau R, Wong T, Mulvey MR.

J Clin Microbiol. 2015 Nov;53(11):3606-8. doi: 10.1128/JCM.01632-15. Epub 2015 Aug 19.

31.

Emergence of Serotype IV Group B Streptococcus Adult Invasive Disease in Manitoba and Saskatchewan, Canada, Is Driven by Clonal Sequence Type 459 Strains.

Teatero S, Athey TB, Van Caeseele P, Horsman G, Alexander DC, Melano RG, Li A, Flores AR, Shelburne SA 3rd, McGeer A, Demczuk W, Martin I, Fittipaldi N.

J Clin Microbiol. 2015 Sep;53(9):2919-26. doi: 10.1128/JCM.01128-15. Epub 2015 Jul 1.

32.

Effect of Variants of Penicillin-Binding Protein 2 on Cephalosporin and Carbapenem Susceptibilities in Neisseria gonorrhoeae.

Bharat A, Demczuk W, Martin I, Mulvey MR.

Antimicrob Agents Chemother. 2015 Aug;59(8):5003-6. doi: 10.1128/AAC.05143-14. Epub 2015 May 18.

33.

Molecular Assay for Detection of Genetic Markers Associated with Decreased Susceptibility to Cephalosporins in Neisseria gonorrhoeae.

Peterson SW, Martin I, Demczuk W, Bharat A, Hoang L, Wylie J, Allen V, Lefebvre B, Tyrrell G, Horsman G, Haldane D, Garceau R, Wong T, Mulvey MR.

J Clin Microbiol. 2015 Jul;53(7):2042-8. doi: 10.1128/JCM.00493-15. Epub 2015 Apr 15.

34.

Population structure and antimicrobial resistance of invasive serotype IV group B Streptococcus, Toronto, Ontario, Canada.

Teatero S, McGeer A, Li A, Gomes J, Seah C, Demczuk W, Martin I, Wasserscheid J, Dewar K, Melano RG, Fittipaldi N.

Emerg Infect Dis. 2015 Apr;21(4):585-91. doi: 10.3201/eid2014.140759. Erratum in: Emerg Infect Dis. 2015 Aug;21(8):1489.

35.

Assessment of multidrug resistance, clonality and virulence in non-PCV-13 Streptococcus pneumoniae serotypes in Canada, 2011-13.

Golden AR, Adam HJ, Gilmour MW, Baxter MR, Martin I, Nichol KA, Demczuk WH, Hoban DJ, Zhanel GG.

J Antimicrob Chemother. 2015 Jul;70(7):1960-4. doi: 10.1093/jac/dkv061. Epub 2015 Mar 11.

PMID:
25761605
36.

Whole-genome phylogenomic heterogeneity of Neisseria gonorrhoeae isolates with decreased cephalosporin susceptibility collected in Canada between 1989 and 2013.

Demczuk W, Lynch T, Martin I, Van Domselaar G, Graham M, Bharat A, Allen V, Hoang L, Lefebvre B, Tyrrell G, Horsman G, Haldane D, Garceau R, Wylie J, Wong T, Mulvey MR.

J Clin Microbiol. 2015 Jan;53(1):191-200. doi: 10.1128/JCM.02589-14. Epub 2014 Nov 5.

37.

Characterization of invasive group B streptococcus strains from the greater Toronto area, Canada.

Teatero S, McGeer A, Low DE, Li A, Demczuk W, Martin I, Fittipaldi N.

J Clin Microbiol. 2014 May;52(5):1441-7. doi: 10.1128/JCM.03554-13. Epub 2014 Feb 19.

38.

Trends in asymptomatic nasopharyngeal colonization with streptococcus pneumoniae after introduction of the 13-valent pneumococcal conjugate vaccine in Calgary, Canada.

Ricketson LJ, Wood ML, Vanderkooi OG, MacDonald JC, Martin IE, Demczuk WH, Kellner JD; Calgary Streptococcus pneumoniae Epidemiology Research (CASPER) investigators.

Pediatr Infect Dis J. 2014 Jul;33(7):724-30. doi: 10.1097/INF.0000000000000267.

PMID:
24463806
39.

Serotype distribution of invasive Streptococcus pneumoniae in Canada after the introduction of the 13-valent pneumococcal conjugate vaccine, 2010-2012.

Demczuk WH, Martin I, Griffith A, Lefebvre B, McGeer A, Lovgren M, Tyrrell GJ, Desai S, Sherrard L, Adam H, Gilmour M, Zhanel GG; Toronto Bacterial Diseases Network; Canadian Public Health Laboratory Network.

Can J Microbiol. 2013 Dec;59(12):778-88. doi: 10.1139/cjm-2013-0614. Epub 2013 Oct 21.

PMID:
24313450
40.

Serotype distribution of invasive Streptococcus pneumoniae in Canada during the introduction of the 13-valent pneumococcal conjugate vaccine, 2010.

Demczuk WH, Martin I, Griffith A, Lefebvre B, McGeer A, Shane A, Zhanel GG, Tyrrell GJ, Gilmour MW; Toronto Invasive Bacterial Diseases Network; Canadian Public Health Laboratory Network.

Can J Microbiol. 2012 Aug;58(8):1008-17. doi: 10.1139/w2012-073. Epub 2012 Jul 24.

PMID:
22827750
41.

Characterization of antimicrobial resistance, molecular and phage types of Salmonella enterica serovar Typhi isolations.

Demczuk WH, Finley R, Nadon C, Spencer A, Gilmour M, Ng LK; PulseNet Canada; Canadian Integrated Program for Antimicrobial Resistance Surveillance Public Health Partnership; Canadian Public Health Laboratory Network.

Epidemiol Infect. 2010 Oct;138(10):1414-26. doi: 10.1017/S0950268810000221. Epub 2010 Feb 11.

PMID:
20149265
42.

Ceftiofur resistance in Salmonella enterica serovar Heidelberg from chicken meat and humans, Canada.

Dutil L, Irwin R, Finley R, Ng LK, Avery B, Boerlin P, Bourgault AM, Cole L, Daignault D, Desruisseau A, Demczuk W, Hoang L, Horsman GB, Ismail J, Jamieson F, Maki A, Pacagnella A, Pillai DR.

Emerg Infect Dis. 2010 Jan;16(1):48-54. doi: 10.3201/eid1601.090729.

43.

Limited genetic diversity in Salmonella enterica serovar Enteritidis PT13.

Olson AB, Andrysiak AK, Tracz DM, Guard-Bouldin J, Demczuk W, Ng LK, Maki A, Jamieson F, Gilmour MW.

BMC Microbiol. 2007 Oct 1;7:87.

44.

Home or away? Investigation of Salmonella enteritidis PFGE pattern SENXAI.0003 and SENBNI.0003, phage type 8, the in the Maritimes, 2005.

Currie A, Akwar H, MacDonald W, Saunders A, Baikie M, Sweet L, Landry L, Demczuk W, Panaro L.

Can Commun Dis Rep. 2006 Oct 15;32(20):231-9. English, French. No abstract available.

45.

Morphology of Salmonella enterica serovar Heidelberg typing phages.

Demczuk W, Ahmed R, Ackermann HW.

Can J Microbiol. 2004 Oct;50(10):873-5.

PMID:
15644903
46.

Phage-based typing scheme for Salmonella enterica serovar Heidelberg, a causative agent of food poisonings in Canada.

Demczuk W, Soule G, Clark C, Ackermann HW, Easy R, Khakhria R, Rodgers F, Ahmed R.

J Clin Microbiol. 2003 Sep;41(9):4279-84.

47.

Characterization of the first extended-spectrum beta-lactamase-producing Salmonella isolate identified in Canada.

Mulvey MR, Soule G, Boyd D, Demczuk W, Ahmed R; Multi-provincial Salmonella Typhimurium Case Control Study Group.

J Clin Microbiol. 2003 Jan;41(1):460-2.

48.

Epidemiologic typing of Salmonella enterica serotype enteritidis in a Canada-wide outbreak of gastroenteritis due to contaminated cheese.

Ahmed R, Soule G, Demczuk WH, Clark C, Khakhria R, Ratnam S, Marshall S, Ng LK, Woodward DL, Johnson WM, Rodgers FG.

J Clin Microbiol. 2000 Jun;38(6):2403-6.

49.

Drug resistance, plasmids, biotypes and susceptibility to bacteriophages of Salmonella isolated from poultry in Canada.

Poppe C, McFadden KA, Demczuk WH.

Int J Food Microbiol. 1996 Jul;30(3):325-44.

PMID:
8854185
50.

Drug resistance and biochemical characteristics of Salmonella from turkeys.

Poppe C, Kolar JJ, Demczuk WH, Harris JE.

Can J Vet Res. 1995 Oct;59(4):241-8.

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