P H Roy

Author PubWeight™ 107.27‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 PCR mapping of integrons reveals several novel combinations of resistance genes. Antimicrob Agents Chemother 1995 12.54
2 New real-time PCR assay for rapid detection of methicillin-resistant Staphylococcus aureus directly from specimens containing a mixture of staphylococci. J Clin Microbiol 2004 6.06
3 Precise insertion of antibiotic resistance determinants into Tn21-like transposons: nucleotide sequence of the OXA-1 beta-lactamase gene. Proc Natl Acad Sci U S A 1987 5.28
4 Diversity and relative strength of tandem promoters for the antibiotic-resistance genes of several integrons. Gene 1994 4.83
5 Species-specific and ubiquitous-DNA-based assays for rapid identification of Staphylococcus aureus. J Clin Microbiol 1998 4.51
6 Characterization of the nonenzymatic chloramphenicol resistance (cmlA) gene of the In4 integron of Tn1696: similarity of the product to transmembrane transport proteins. J Bacteriol 1991 3.53
7 On the evolution of Tn21-like multiresistance transposons: sequence analysis of the gene (aacC1) for gentamicin acetyltransferase-3-I(AAC(3)-I), another member of the Tn21-based expression cassette. Mol Gen Genet 1989 3.46
8 Correlation between the resistance genotype determined by multiplex PCR assays and the antibiotic susceptibility patterns of Staphylococcus aureus and Staphylococcus epidermidis. Antimicrob Agents Chemother 2000 3.26
9 Rapid detection of group B streptococci in pregnant women at delivery. N Engl J Med 2000 3.19
10 Transposon Tn5090 of plasmid R751, which carries an integron, is related to Tn7, Mu, and the retroelements. J Bacteriol 1994 2.97
11 Development of conventional and real-time PCR assays for the rapid detection of group B streptococci. Clin Chem 2000 2.86
12 Characterization of In0 of Pseudomonas aeruginosa plasmid pVS1, an ancestor of integrons of multiresistance plasmids and transposons of gram-negative bacteria. J Bacteriol 1992 2.49
13 Chromosomal beta-lactamase genes of Klebsiella oxytoca are divided into two main groups, blaOXY-1 and blaOXY-2. Antimicrob Agents Chemother 1996 2.48
14 Homology of ORFs from Tn2603 and from R46 to site-specific recombinases. Nucleic Acids Res 1987 2.18
15 Development of a PCR assay for identification of staphylococci at genus and species levels. J Clin Microbiol 2001 2.17
16 Development of a PCR assay for rapid detection of enterococci. J Clin Microbiol 1999 2.09
17 Experience with ileostomies. Evaluation of long-term rehabilitation in 497 patients. Am J Surg 1970 2.06
18 Nucleotide sequence of the PaeR7 restriction/modification system and partial characterization of its protein products. Nucleic Acids Res 1985 2.00
19 DNA methylases of Hemophilus influenzae Rd. I. Purification and properties. J Mol Biol 1973 1.76
20 DNA methylases of Hemophilus influenzae Rd. II. Partial recognition site base sequences. J Mol Biol 1973 1.72
21 Species-specific and ubiquitous DNA-based assays for rapid identification of Staphylococcus epidermidis. J Clin Microbiol 1996 1.70
22 Site-specific insertion of three structural gene cassettes in transposon Tn7. J Bacteriol 1991 1.60
23 Multiplex PCR assays for the detection of clinically relevant antibiotic resistance genes in staphylococci isolated from patients infected after cardiac surgery. The ESPRIT Trial. J Antimicrob Chemother 2000 1.58
24 DNA methylase from HeLa cell nuclei. Nucleic Acids Res 1975 1.57
25 Strength and regulation of the different promoters for chromosomal beta-lactamases of Klebsiella oxytoca. Antimicrob Agents Chemother 1999 1.56
26 A plasmid-mediated cephalosporinase from Achromobacter species. J Infect Dis 1982 1.55
27 DNA complexes obtained with the integron integrase IntI1 at the attI1 site. Nucleic Acids Res 1998 1.46
28 Evidence for horizontal gene transfer in evolution of elongation factor Tu in enterococci. J Bacteriol 2000 1.42
29 The chloramphenicol acetyltransferase gene of Tn2424: a new breed of cat. J Bacteriol 1992 1.37
30 Analysis by using DNA probes of the OXA-1 beta-lactamase gene and its transposon. Antimicrob Agents Chemother 1986 1.30
31 Variability of chromosomally encoded beta-lactamases from Klebsiella oxytoca. Antimicrob Agents Chemother 1997 1.30
32 Oligonucleotide probes (TEM-1, OXA-1) versus isoelectric focusing in beta-lactamase characterization of 114 resistant strains. Antimicrob Agents Chemother 1988 1.23
33 Characterization of a plasmid isolated from Branhamella catarrhalis and detection of plasmid sequences within the genome of a B. catarrhalis strain. Plasmid 1988 1.20
34 Point mutations in the integron integrase IntI1 that affect recombination and/or substrate recognition. J Bacteriol 1998 1.20
35 Integron integrases possess a unique additional domain necessary for activity. J Bacteriol 2001 1.18
36 Mapping of the plasmid (pLQ3) from Achromobacter and cloning of its cephalosporinase gene in Escherichia coli. Gene 1982 1.09
37 Oligonucleotide probes for the detection of TEM-1 and TEM-2 beta-lactamase genes and their transposons. Can J Microbiol 1987 1.06
38 Development of a rapid PCR assay specific for Staphylococcus saprophyticus and application to direct detection from urine samples. J Clin Microbiol 2000 1.05
39 A transposon-like sequence adjacent to the AccI restriction-modification operon. Gene 1995 1.03
40 Development of a species-specific DNA probe for Moraxella (Branhamella) catarrhalis. Mol Cell Probes 1991 1.00
41 Characterization of the 6'-N-aminoglycoside acetyltransferase gene aac(6')-Iq from the integron of a natural multiresistance plasmid. Antimicrob Agents Chemother 1998 0.94
42 Epidemiological typing of Moraxella catarrhalis by using DNA probes. J Clin Microbiol 1993 0.91
43 Novel genus-specific PCR-based assays for rapid identification of Neisseria species and Neisseria meningitidis. Eur J Clin Microbiol Infect Dis 2000 0.90
44 Isolation and molecular characterization of beta-lactamase-producing Haemophilus parainfluenzae from the genital tract. Antimicrob Agents Chemother 1987 0.89
45 Cloning of Pseudomonas plasmid pMG7 and its restriction-modification system in Escherichia coli. Gene 1982 0.89
46 DNA methylation in Neisseria gonorrhoeae and other Neisseriae. Gene 1990 0.88
47 Intimal hyperplasia and thrombosis of the visceral arteries in a young woman: possible relation with oral contraceptives and smoking. Surgery 1988 0.84
48 Spinal accessory nerve in radical neck dissections. Am J Surg 1969 0.80
49 Enzymatic methods for sequence analysis applied to DNA restriction and methylation sites. Methods Enzymol 1974 0.79
50 Higher specific activity of the Escherichia coli glutamyl-tRNA synthetase purified to homogeneity by a six-hour procedure. Protein Expr Purif 1992 0.78
51 Overproduction and domain structure of the glutamyl-tRNA synthetase of Escherichia coli. Biochem Cell Biol 1989 0.78
52 Cloning of the gene for Escherichia coli glutamyl-tRNA synthetase. Gene 1983 0.76
53 BspMII and AccIII are an isoschizomer pair which differ in their sensitivity to cytosine methylation. Nucleic Acids Res 1988 0.75
54 Molecular typing of Haemophilus influenzae using a DNA probe and multiplex PCR. Mol Cell Probes 1994 0.75