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Roger Levesque

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Elena B M Breidenstein; Lucia Fernandez; Shaan L Gellatly; Laure Janot; Irena Kukavica-Ibrulj; Roger C Levesque; Joerg Overhage; Janine Strehmel; Patrick K Taylor; Robert E W Hancock
The Lon protease is essential for full virulence in Pseudomonas aeruginosa.
Irene Bianconi; Andrea Milani; Cristina Cigana; Moira Paroni; Roger C Levesque; Giovanni Bertoni; Alessandra Bragonzi
Positive signature-tagged mutagenesis in Pseudomonas aeruginosa: tracking patho-adaptive mutations promoting airways chronic infection.
Isabelle Cloutier; Catherine Paradis-Bleau; Anne-Marie Giroux; Xavier Pigeon; Marjolaine Arseneault; Roger C Levesque; Michèle Auger
Biophysical studies of the interactions between the phage varphiKZ gp144 lytic transglycosylase and model membranes.

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All Publications

2012: Elena B M Breidenstein; Lucia Fernandez; Shaan L Gellatly; Laure Janot; Irena Kukavica-Ibrulj; Roger C Levesque; Joerg Overhage; Janine Strehmel; Patrick K Taylor; Robert E W Hancock
The Lon protease is essential for full virulence in Pseudomonas aeruginosa.
PloS one 2012;7(11):e49123.
2011: Irene Bianconi; Andrea Milani; Cristina Cigana; Moira Paroni; Roger C Levesque; Giovanni Bertoni; Alessandra Bragonzi
Positive signature-tagged mutagenesis in Pseudomonas aeruginosa: tracking patho-adaptive mutations promoting airways chronic infection.
PLoS pathogens 2011;7(2):e1001270.
2010: Isabelle Cloutier; Catherine Paradis-Bleau; Anne-Marie Giroux; Xavier Pigeon; Marjolaine Arseneault; Roger C Levesque; Michèle Auger
Biophysical studies of the interactions between the phage varphiKZ gp144 lytic transglycosylase and model membranes.
European biophysics journal : EBJ 2010;39(2):263-76.
2009: Megan L Boulette; Patricia J Baynham; Peter A Jorth; Irena Kukavica-Ibrulj; Aissa Longoria; Karla Barrera; Roger C Levesque; Marvin Whiteley
Characterization of alanine catabolism in Pseudomonas aeruginosa and its importance for proliferation in vivo.
Journal of bacteriology 2009;191(20):6329-34.
2009: Catherine Paradis-Bleau; Adrian Lloyd; François Sanschagrin; Halim Maaroufi; Tom Clarke; Anne Blewett; Chris Dowson; David I Roper; Timothy D H Bugg; Roger C Levesque
Pseudomonas aeruginosa MurE amide ligase: enzyme kinetics and peptide inhibitor.
The Biochemical journal 2009;421(2):263-72.
2009: W James Gooderham; Shaan L Gellatly; François Sanschagrin; Joseph B McPhee; Manjeet Bains; Celine Cosseau; Roger C Levesque; Robert E W Hancock
The sensor kinase PhoQ mediates virulence in Pseudomonas aeruginosa.
Microbiology (Reading, England) 2009;155(Pt 3):699-711.
2009: Craig Winstanley; Morgan G I Langille; Joanne L Fothergill; Irena Kukavica-Ibrulj; Catherine Paradis-Bleau; François Sanschagrin; Nicholas R Thomson; Geoff L Winsor; Michael A Quail; Nicola Lennard; Alexandra Bignell; Louise Clarke; kathy seeger; David Saunders; David Harris; Julian Parkhill; Robert E W Hancock; Fiona S L Brinkman; Roger C Levesque
Newly introduced genomic prophage islands are critical determinants of in vivo competitiveness in the Liverpool Epidemic Strain of Pseudomonas aeruginosa.
Genome research 2009;19(1):12-23.
2008: Irena Kukavica-Ibrulj; Roger C Levesque
Animal models of chronic lung infection with Pseudomonas aeruginosa: useful tools for cystic fibrosis studies.
Laboratory animals 2008;42(4):389-412.
2008: Irena Kukavica-Ibrulj; François Sanschagrin; Ashley Peterson; Marvin Whiteley; Brian Boyle; John Mackay; Roger C Levesque
Functional genomics of PycR, a LysR family transcriptional regulator essential for maintenance of Pseudomonas aeruginosa in the rat lung.
Microbiology (Reading, England) 2008;154(Pt 7):2106-18.
2008: Mark D Platt; Michael J Schurr; Karin Sauer; Gustavo Vazquez; Irena Kukavica-Ibrulj; Eric Potvin; Roger C Levesque; Amber Fedynak; Fiona S L Brinkman; Jill Schurr; Sung-Hei Hwang; Gee W Lau; Patrick A Limbach; John J Rowe; Michael A Lieberman; Nicolas Barraud; Jeremy Webb; Staffan Kjelleberg; Donald F Hunt; Daniel J Hassett
Proteomic, microarray, and signature-tagged mutagenesis analyses of anaerobic Pseudomonas aeruginosa at pH 6.5, likely representing chronic, late-stage cystic fibrosis airway conditions.
Journal of bacteriology 2008;190(8):2739-58.
2008: Irena Kukavica-Ibrulj; Alessandra Bragonzi; Moira Paroni; Craig Winstanley; François Sanschagrin; George A O'Toole; Roger C Levesque
In vivo growth of Pseudomonas aeruginosa strains PAO1 and PA14 and the hypervirulent strain LESB58 in a rat model of chronic lung infection.
Journal of bacteriology 2008;190(8):2804-13.
2008: Adrian Lloyd; Andrea M Gilbey; Anne Blewett; Gianfranco De Pascale; Ahmed El Zoeiby; Roger C Levesque; Anita C Catherwood; Alexander Tomasz; Timothy D H Bugg; David I Roper; Christopher G Dowson
Characterization of tRNA-dependent peptide bond formation by MurM in the synthesis of Streptococcus pneumoniae peptidoglycan.
The Journal of biological chemistry 2008;283(10):6402-17.
2008: mutasem taha; Naji Atallah; Amal G Al-Bakri; Catherine Paradis-Bleau; Hiba Zalloum; Khaled S Younis; Roger C Levesque
Discovery of new MurF inhibitors via pharmacophore modeling and QSAR analysis followed by in-silico screening.
Bioorganic & medicinal chemistry 2008;16(3):1218-35.
2008: Catherine Paradis-Bleau; Adrian Lloyd; François Sanschagrin; Tom Clarke; Ann Blewett; Timothy D H Bugg; Roger C Levesque
Phage display-derived inhibitor of the essential cell wall biosynthesis enzyme MurF.
BMC biochemistry 2008;9():33.
2008: François Sanschagrin; Irena Kukavica-Ibrulj; Roger C Levesque
Essential genes in the infection model of Pseudomonas aeruginosa PCR-based signature-tagged mutagenesis.
Methods in molecular biology (Clifton, N.J.) 2008;416():61-82.
2008: Eric Potvin; François Sanschagrin; Roger C Levesque
Sigma factors in Pseudomonas aeruginosa.
FEMS microbiology reviews 2008;32(1):38-55.
2007: Catherine Paradis-Bleau; Mélanie Beaumont; François Sanschagrin; Normand Voyer; Roger C Levesque
Parallel solid synthesis of inhibitors of the essential cell division FtsZ enzyme as a new potential class of antibacterials.
Bioorganic & medicinal chemistry 2007;15(3):1330-40.
2007: Shiping Zhang; Francis X McCormack; Roger C Levesque; George A O'Toole; Gee W Lau
The flagellum of Pseudomonas aeruginosa is required for resistance to clearance by surfactant protein A.
PloS one 2007;2(6):e564.
2007: Catherine Paradis-Bleau; Isabelle Cloutier; Lise Lemieux; François Sanschagrin; Jérôme Laroche; Michèle Auger; Alain Garnier; Roger C Levesque
Peptidoglycan lytic activity of the Pseudomonas aeruginosa phage phiKZ gp144 lytic transglycosylase.
FEMS microbiology letters 2007;266(2):201-9.
2006: José Molina-López; François Sanschagrin; Roger C Levesque
A peptide inhibitor of MurA UDP-N-acetylglucosamine enolpyruvyl transferase: the first committed step in peptidoglycan biosynthesis.
Peptides 2006;27(12):3115-21.
2006: Catherine Paradis-Bleau; Mélanie Beaumont; Lydia Boudreault; Adrian Lloyd; François Sanschagrin; Timothy D H Bugg; Roger C Levesque
Selection of peptide inhibitors against the Pseudomonas aeruginosa MurD cell wall enzyme.
Peptides 2006;27(7):1693-700.
2005: Shiping Zhang; Yi Chen; Eric Potvin; Francois Sanschagrin; Roger C Levesque; Francis X McCormack; Gee W Lau
Comparative signature-tagged mutagenesis identifies Pseudomonas factors conferring resistance to the pulmonary collectin SP-A.
PLoS pathogens 2005;1(3):259-68.
2005: Catherine Paradis-Bleau; François Sanschagrin; Roger C Levesque
Peptide inhibitors of the essential cell division protein FtsA.
Protein engineering, design & selection : PEDS 2005;18(2):85-91.
2005: François Sanschagrin; Roger C Levesque
A specific peptide inhibitor of the class B metallo-beta-lactamase L-1 from Stenotrophomonas maltophilia identified using phage display.
The Journal of antimicrobial chemotherapy 2005;55(2):252-5.
2004: Christine Maynard; Sadjia Bekal; François Sanschagrin; Roger C Levesque; Roland Brousseau; Luke Masson; Serge Larivière; Josée Harel
Heterogeneity among virulence and antimicrobial resistance gene profiles of extraintestinal Escherichia coli isolates of animal and human origin.
Journal of clinical microbiology 2004;42(12):5444-52.
2004: Catherine Paradis-Bleau; François Sanschagrin; Roger C Levesque
Identification of Pseudomonas aeruginosa FtsZ peptide inhibitors as a tool for development of novel antimicrobials.
The Journal of antimicrobial chemotherapy 2004;54(1):278-80.
2004: Dario E Lehoux; François Sanschagrin; Irena Kukavica-Ibrulj; Eric Potvin; Roger C Levesque
Identification of novel pathogenicity genes by PCR signature-tagged mutagenesis and related technologies.
Methods in molecular biology (Clifton, N.J.) 2004;266():289-304.
2003: Eric Potvin; Dario E Lehoux; Irena Kukavica-Ibrulj; Karine L Richard; François Sanschagrin; Gee W Lau; Roger C Levesque
In vivo functional genomics of Pseudomonas aeruginosa for high-throughput screening of new virulence factors and antibacterial targets.
Environmental microbiology 2003;5(12):1294-308.
2003: Christine Maynard; John Fairbrother; Sadjia Bekal; François Sanschagrin; Roger C Levesque; Roland Brousseau; Luke Masson; Serge Larivière; Josée Harel
Antimicrobial resistance genes in enterotoxigenic Escherichia coli O149:K91 isolates obtained over a 23-year period from pigs.
Antimicrobial agents and chemotherapy 2003;47(10):3214-21.
2003: Ahmed El Zoeiby; Mélanie Beaumont; Eric Dubuc; François Sanschagrin; Normand Voyer; Roger C Levesque
Combinatorial enzymatic assay for the screening of a new class of bacterial cell wall inhibitors.
Bioorganic & medicinal chemistry 2003;11(7):1583-92.
2003: Ahmed El Zoeiby; François Sanschagrin; André Darveau; Jean-Robert Brisson; Roger C Levesque
Identification of novel inhibitors of Pseudomonas aeruginosa MurC enzyme derived from phage-displayed peptide libraries.
The Journal of antimicrobial chemotherapy 2003;51(3):531-43.
2003: Ahmed El Zoeiby; François Sanschagrin; Roger C Levesque
Structure and function of the Mur enzymes: development of novel inhibitors.
Molecular microbiology 2003;47(1):1-12.
2002: Dario E Lehoux; François Sanschagrin; Roger C Levesque
Identification of in vivo essential genes from Pseudomonas aeruginosa by PCR-based signature-tagged mutagenesis.
FEMS microbiology letters 2002;210(1):73-80.
2002: Dario E Lehoux; Roger C Levesque
PCR screening in signature-tagged mutagenesis of essential genes.
Methods in molecular biology (Clifton, N.J.) 2002;192():225-34.
2002: Dario E Lehoux; Roger C Levesque
Polymerase chain reaction-based signature-tagged mutagenesis.
Methods in molecular biology (Clifton, N.J.) 2002;182():127-37.
2001: Dario E Lehoux; François Sanschagrin; Roger C Levesque
Discovering essential and infection-related genes.
Current opinion in microbiology 2001;4(5):515-9.
2001: Ahmed El Zoeiby; François Sanschagrin; P C Havugimana; A Garnier; Roger C Levesque
In vitro reconstruction of the biosynthetic pathway of peptidoglycan cytoplasmic precursor in Pseudomonas aeruginosa.
FEMS microbiology letters 2001;201(2):229-35.
2001: D Lim; François Sanschagrin; L Passmore; L De Castro; Roger C Levesque; Natalie C J Strynadka
Insights into the molecular basis for the carbenicillinase activity of PSE-4 beta-lactamase from crystallographic and kinetic studies.
Biochemistry 2001;40(2):395-402.
2000: Dario E Lehoux; Roger C Levesque
Detection of genes essential in specific niches by signature-tagged mutagenesis.
Current opinion in biotechnology 2000;11(5):434-9.
2000: Dario E Lehoux; François Sanschagrin; Roger C Levesque
Genomics of the 35-kb pvd locus and analysis of novel pvdIJK genes implicated in pyoverdine biosynthesis in Pseudomonas aeruginosa.
FEMS microbiology letters 2000;190(1):141-6.
2000: C Therrien; Roger C Levesque
Molecular basis of antibiotic resistance and beta-lactamase inhibition by mechanism-based inactivators: perspectives and future directions.
FEMS microbiology reviews 2000;24(3):251-62.
2000: A Savoie; François Sanschagrin; T Palzkill; Normand Voyer; Roger C Levesque
Structure-function analysis of alpha-helix H4 using PSE-4 as a model enzyme representative of class A beta-lactamases.
Protein engineering 2000;13(4):267-74.
2000: François Sanschagrin; E Thériault; Y Sabbagh; Normand Voyer; Roger C Levesque
Combinatorial biochemistry and shuffling of TEM, SHV and Streptomyces albus omega loops in PSE-4 class A beta-lactamase.
The Journal of antimicrobial chemotherapy 2000;45(4):517-20.
2000: M Handfield; Dario E Lehoux; François Sanschagrin; M J Mahan; D E Woods; Roger C Levesque
In vivo-induced genes in Pseudomonas aeruginosa.
Infection and immunity 2000;68(4):2359-62.
2000: C Therrien; Lakshmi P Kotra; François Sanschagrin; Shahriar Mobashery; Roger C Levesque
Evaluation of inhibition of the carbenicillin-hydrolyzing beta-lactamase PSE-4 by the clinically used mechanism-based inhibitors.
FEBS letters 2000;470(3):285-92.
2000: Ahmed El Zoeiby; François Sanschagrin; J Lamoureux; André Darveau; Roger C Levesque
Cloning, over-expression and purification of Pseudomonas aeruginosa murC encoding uridine diphosphate N-acetylmuramate: L-alanine ligase.
FEMS microbiology letters 2000;183(2):281-8.
1999: Dario E Lehoux; François Sanschagrin; Roger C Levesque
Defined oligonucleotide tag pools and PCR screening in signature-tagged mutagenesis of essential genes from bacteria.
BioTechniques 1999;26(3):473-8, 480.
1999: S Trépanier; J R Knox; Natalie Clairoux; François Sanschagrin; Roger C Levesque; Ann Huletsky
Structure-function studies of Ser-289 in the class C beta-lactamase from Enterobacter cloacae P99.
Antimicrobial agents and chemotherapy 1999;43(3):543-8.
1999: M Handfield; Roger C Levesque
Strategies for isolation of in vivo expressed genes from bacteria.
FEMS microbiology reviews 1999;23(1):69-91.
1998: C Therrien; François Sanschagrin; T Palzkill; Roger C Levesque
Roles of amino acids 161 to 179 in the PSE-4 omega loop in substrate specificity and in resistance to ceftazidime.
Antimicrobial agents and chemotherapy 1998;42(10):2576-83.
1998: hani sabbagh; E Thériault; François Sanschagrin; Normand Voyer; T Palzkill; Roger C Levesque
Characterization of a PSE-4 mutant with different properties in relation to penicillanic acid sulfones: importance of residues 216 to 218 in class A beta-lactamases.
Antimicrobial agents and chemotherapy 1998;42(9):2319-25.
1998: François Sanschagrin; N Bejaoui; Roger C Levesque
Structure of CARB-4 and AER-1 carbenicillin-hydrolyzing beta-lactamases.
Antimicrobial agents and chemotherapy 1998;42(8):1966-72.
1998: François Sanschagrin; J Dufresne; Roger C Levesque
Molecular heterogeneity of the L-1 metallo-beta-lactamase family from Stenotrophomonas maltophilia.
Antimicrobial agents and chemotherapy 1998;42(5):1245-8.
1998: M Handfield; H P Schweizer; M J Mahan; François Sanschagrin; Tung T Hoang; Roger C Levesque
ASD-GFP vectors for in vivo expression technology in Pseudomonas aeruginosa and other gram-negative bacteria.
BioTechniques 1998;24(2):261-4.
1998: Ken Dewar; L Sabbagh; G Cardinal; F Veilleux; François Sanschagrin; Bruce Birren; Roger C Levesque
Pseudomonas aeruginosa PAO1 bacterial artificial chromosomes: strategies for mapping, screening, and sequencing 100 kb loci of the 5.9 Mb genome.
Microbial & comparative genomics 1998;3(2):105-17.
1996: S Gagnon; D Bourbeau; Roger C Levesque
Secondary structures and features of the 18S, 5.8S and 26S ribosomal RNAs from the Apicomplexan parasite Toxoplasma gondii.
Gene 1996;173(2):129-35.
1996: S Gagnon; M J Morency; D Bourbeau; Roger C Levesque
Toxoplasma gondii: structure and characterization of the 26S ribosomal RNA and peptidyl transferase domain.
Experimental parasitology 1996;83(3):346-51.
1996: X Liao; I Charlebois; C Ouellet; M J Morency; K Dewar; J Lightfoot; J Foster; R Siehnel; H Schweizer; Joseph S Lam; Robert E W Hancock; Roger C Levesque
Physical mapping of 32 genetic markers on the Pseudomonas aeruginosa PAO1 chromosome.
Microbiology (Reading, England) 1996;142 ( Pt 1)():79-86.
1995: François Sanschagrin; F Couture; Roger C Levesque
Primary structure of OXA-3 and phylogeny of oxacillin-hydrolyzing class D beta-lactamases.
Antimicrobial agents and chemotherapy 1995;39(4):887-93.
1993: S Gagnon; Roger C Levesque; Mitchell L Sogin; A A Gajadhar
Molecular cloning, complete sequence of the small subunit ribosomal RNA coding region and phylogeny of Toxoplasma gondii.
Molecular and biochemical parasitology 1993;60(1):145-8.
1993: Ann Huletsky; J R Knox; Roger C Levesque
Role of Ser-238 and Lys-240 in the hydrolysis of third-generation cephalosporins by SHV-type beta-lactamases probed by site-directed mutagenesis and three-dimensional modeling.
The Journal of biological chemistry 1993;268(5):3690-7.
1993: J M Guay; D Dubois; M J Morency; S Gagnon; J Mercier; Roger C Levesque
Detection of the pathogenic parasite Toxoplasma gondii by specific amplification of ribosomal sequences using comultiplex polymerase chain reaction.
Journal of clinical microbiology 1993;31(2):203-7.
1992: J M Juteau; E Billings; J R Knox; Roger C Levesque
Site-saturation mutagenesis and three-dimensional modelling of ROB-1 define a substrate binding role of Ser130 in class A beta-lactamases.
Protein engineering 1992;5(7):693-701.
1992: J M Guay; A Huot; S Gagnon; A Tremblay; Roger C Levesque
Physical and genetic mapping of cloned ribosomal DNA from Toxoplasma gondii: primary and secondary structure of the 5S gene.
Gene 1992;114(2):165-71.
1992: Ian Maclean; L Slaney; J M Juteau; Roger C Levesque; W L Albritton; Allan R Ronald
Identification of a ROB-1 beta-lactamase in Haemophilus ducreyi.
Antimicrobial agents and chemotherapy 1992;36(2):467-9.
1991: J M Juteau; S Coté; Roger C Levesque
Systematic site-saturation mutagenesis of ROB-1 beta-lactamase: efficiency of T4 polymerase and oligonucleotide synthesis.
BioTechniques 1991;11(4):460-2.
1991: J M Juteau; M Sirois; A A Medeiros; Roger C Levesque
Molecular distribution of ROB-1 beta-lactamase in Actinobacillus pleuropneumoniae.
Antimicrobial agents and chemotherapy 1991;35(7):1397-402.
1991: J Lachapelle; J Dufresne; Roger C Levesque
Characterization of the blaCARB-3 gene encoding the carbenicillinase-3 beta-lactamase of Pseudomonas aeruginosa.
Gene 1991;102(1):7-12.
1991: M Sirois; E G Lemire; Roger C Levesque
Construction of a DNA probe and detection of Actinobacillus pleuropneumoniae by using polymerase chain reaction.
Journal of clinical microbiology 1991;29(6):1183-7.
1991: G Vézina; Roger C Levesque
Molecular characterization of the class II multiresistance transposable element Tn1403 from Pseudomonas aeruginosa.
Antimicrobial agents and chemotherapy 1991;35(2):313-21.
1990: Ann Huletsky; F Couture; Roger C Levesque
Nucleotide sequence and phylogeny of SHV-2 beta-lactamase.
Antimicrobial agents and chemotherapy 1990;34(9):1725-32.
1990: J Mercier; Roger C Levesque
Cloning of SHV-2, OHIO-1, and OXA-6 beta-lactamases and cloning and sequencing of SHV-1 beta-lactamase.
Antimicrobial agents and chemotherapy 1990;34(8):1577-83.
1990: J M Juteau; Roger C Levesque
Sequence analysis and evolutionary perspectives of ROB-1 beta-lactamase.
Antimicrobial agents and chemotherapy 1990;34(7):1354-9.
1990: J Mercier; J Lachapelle; F Couture; M Lafond; G Vézina; Maurice Boissinot; Roger C Levesque
Structural and functional characterization of tnpI, a recombinase locus in Tn21 and related beta-lactamase transposons.
Journal of bacteriology 1990;172(7):3745-57.
1990: Maurice Boissinot; Roger C Levesque
Nucleotide sequence of the PSE-4 carbenicillinase gene and correlations with the Staphylococcus aureus PC1 beta-lactamase crystal structure.
The Journal of biological chemistry 1990;265(2):1225-30.
1989: M Lafond; F Couture; G Vézina; Roger C Levesque
Evolutionary perspectives on multiresistance beta-lactamase transposons.
Journal of bacteriology 1989;171(12):6423-9.
1989: J Trias; J Dufresne; Roger C Levesque; Hiroshi Nikaido
Decreased outer membrane permeability in imipenem-resistant mutants of Pseudomonas aeruginosa.
Antimicrobial agents and chemotherapy 1989;33(8):1202-6.
1989: Maurice Boissinot; A Huot; J Mercier; Roger C Levesque
Development of gene probes and evolutionary relationships of the PSE-4 bla gene to plasmid-mediated beta-lactamases of gram-negative bacteria.
Molecular and cellular probes 1989;3(2):179-88.
1988: J Dufresne; G Vézina; Roger C Levesque
Molecular cloning and expression of the imipenem-hydrolyzing beta-lactamase gene from Pseudomonas maltophilia in Escherichia coli.
Reviews of infectious diseases 1988;10(4):806-17.
1988: J Dufresne; G Vézina; Roger C Levesque
Cloning and expression of the imipenem-hydrolyzing beta-lactamase operon from Pseudomonas maltophilia in Escherichia coli.
Antimicrobial agents and chemotherapy 1988;32(6):819-26.
1988: Roger C Levesque; George Jacoby
Molecular structure and interrelationships of multiresistance beta-lactamase transposons.
Plasmid 1988;19(1):21-9.
1987: C J Morin; P C Patel; Roger C Levesque; R Letarte
Monoclonal antibodies to TEM-1 plasmid-mediated beta-lactamase.
Antimicrobial agents and chemotherapy 1987;31(11):1761-7.
1987: Maurice Boissinot; J Mercier; Roger C Levesque
Development of natural and synthetic DNA probes for OXA-2 and TEM-1 beta-lactamases.
Antimicrobial agents and chemotherapy 1987;31(5):728-34.
1987: Roger C Levesque; A A Medeiros; George Jacoby
Molecular cloning and DNA homology of plasmid-mediated beta-lactamase genes.
Molecular & general genetics : MGG 1987;206(2):252-8.
1986: A A Medeiros; Roger C Levesque; George Jacoby
An animal source for the ROB-1 beta-lactamase of Haemophilus influenzae type b.
Antimicrobial agents and chemotherapy 1986;29(2):212-5.
1983: Roger C Levesque; R Letarte; J C Pechère
Comparative study of the beta-lactamase activity found in Achromobacter.
Canadian journal of microbiology 1983;29(7):819-26.
1982: Roger C Levesque; P H Roy; R Letarte; J C Pechère
A plasmid-mediated cephalosporinase from Achromobacter species.
The Journal of infectious diseases 1982;145(5):753-61.
1982: Roger C Levesque; P H Roy
Mapping of the plasmid (pLQ3) from Achromobacter and cloning of its cephalosporinase gene in Escherichia coli.
Gene 1982;18(1):69-75.