J I Rood

Author PubWeight™ 107.97‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Nomenclature for new tetracycline resistance determinants. Antimicrob Agents Chemother 1999 2.89
2 Epidemics of diarrhea caused by a clindamycin-resistant strain of Clostridium difficile in four hospitals. N Engl J Med 1999 2.87
3 Virulence studies on chromosomal alpha-toxin and theta-toxin mutants constructed by allelic exchange provide genetic evidence for the essential role of alpha-toxin in Clostridium perfringens-mediated gas gangrene. Mol Microbiol 1995 2.79
4 A computer program for determining the size of DNA restriction fragments. Anal Biochem 1981 2.70
5 Identification and molecular analysis of a locus that regulates extracellular toxin production in Clostridium perfringens. Mol Microbiol 1994 2.37
6 Clostridium perfringens-Escherichia coli shuttle vectors that carry single antibiotic resistance determinants. Plasmid 1993 2.35
7 Isolation and characterization of multiply antibiotic-resistant Clostridum perfringens strains from porcine feces. Antimicrob Agents Chemother 1978 2.11
8 Construction of a sequenced Clostridium perfringens-Escherichia coli shuttle plasmid. Plasmid 1992 2.09
9 Transfer of Kingella indologenes (Snell and Lapage 1976) to the genus Suttonella gen. nov. as Suttonella indologenes comb. nov.; transfer of Bacteroides nodosus (Beveridge 1941) to the genus Dichelobacter gen. nov. as Dichelobacter nodosus comb. nov.; and assignment of the genera Cardiobacterium, Dichelobacter, and Suttonella to Cardiobacteriaceae fam. nov. in the gamma division of Proteobacteria on the basis of 16S rRNA sequence comparisons. Int J Syst Bacteriol 1990 2.06
10 Molecular genetics of the chloramphenicol-resistance transposon Tn4451 from Clostridium perfringens: the TnpX site-specific recombinase excises a circular transposon molecule. Mol Microbiol 1995 1.93
11 Synergistic effects of alpha-toxin and perfringolysin O in Clostridium perfringens-mediated gas gangrene. Infect Immun 2001 1.87
12 The virR/virS locus regulates the transcription of genes encoding extracellular toxin production in Clostridium perfringens. J Bacteriol 1996 1.82
13 Enterotoxin plasmid from Clostridium perfringens is conjugative. Infect Immun 2001 1.76
14 The VirR response regulator from Clostridium perfringens binds independently to two imperfect direct repeats located upstream of the pfoA promoter. J Bacteriol 2000 1.73
15 Electroporation-mediated transformation of lysostaphin-treated Clostridium perfringens. Gene 1989 1.72
16 Identification of a transferable tetracycline resistance plasmid (pCW3) from Clostridium perfringens. Plasmid 1978 1.68
17 Cloning and hybridization analysis of ermP, a macrolide-lincosamide-streptogramin B resistance determinant from Clostridium perfringens. Antimicrob Agents Chemother 1989 1.67
18 Clostridial gas gangrene: evidence that alpha and theta toxins differentially modulate the immune response and induce acute tissue necrosis. J Infect Dis 1997 1.52
19 The Clostridium perfringens Tet P determinant comprises two overlapping genes: tetA(P), which mediates active tetracycline efflux, and tetB(P), which is related to the ribosomal protection family of tetracycline-resistance determinants. Mol Microbiol 1994 1.51
20 Transferable tetracycline resistance in Clostridium perfringens strains of porcine origin. Can J Microbiol 1983 1.48
21 Identification of a gene encoding a bacteriophage-related integrase in a vap region of the Dichelobacter nodosus genome. Gene 1995 1.45
22 Comparison of Tn5397 from Clostridium difficile, Tn916 from Enterococcus faecalis and the CW459tet(M) element from Clostridium perfringens shows that they have similar conjugation regions but different insertion and excision modules. Microbiology 2001 1.44
23 Genomic analysis of the erythromycin resistance element Tn5398 from Clostridium difficile. Microbiology 2001 1.41
24 Worldwide distribution of the conjugative Clostridium perfringens tetracycline resistance plasmid, pCW3. Plasmid 1985 1.38
25 Cloning and analysis of the Clostridium perfringens tetracycline resistance plasmid, pCW3. Plasmid 1985 1.34
26 Identification of a native Dichelobacter nodosus plasmid and implications for the evolution of the vap regions. Gene 1996 1.32
27 Molecular analysis of transferable tetracycline resistance plasmids from Clostridium perfringens. J Bacteriol 1985 1.31
28 Conjugative transfer of RP4-oriT shuttle vectors from Escherichia coli to Clostridium perfringens. Plasmid 1998 1.29
29 Molecular characterization of a genomic region associated with virulence in Dichelobacter nodosus. Infect Immun 1992 1.29
30 Characterization of the ends and target sites of the novel conjugative transposon Tn5397 from Clostridium difficile: excision and circularization is mediated by the large resolvase, TndX. J Bacteriol 2000 1.27
31 Identification of Tn4451 and Tn4452, chloramphenicol resistance transposons from Clostridium perfringens. J Bacteriol 1987 1.27
32 Cloning and sequence analysis of ermQ, the predominant macrolide-lincosamide-streptogramin B resistance gene in Clostridium perfringens. Antimicrob Agents Chemother 1994 1.27
33 The type IV fimbrial subunit gene (fimA) of Dichelobacter nodosus is essential for virulence, protease secretion, and natural competence. J Bacteriol 2001 1.25
34 Virulence regions and virulence factors of the ovine footrot pathogen, Dichelobacter nodosus. FEMS Microbiol Lett 1996 1.24
35 The resolvase/invertase domain of the site-specific recombinase TnpX is functional and recognizes a target sequence that resembles the junction of the circular form of the Clostridium perfringens transposon Tn4451. J Bacteriol 1997 1.24
36 Use of genetically manipulated strains of Clostridium perfringens reveals that both alpha-toxin and theta-toxin are required for vascular leukostasis to occur in experimental gas gangrene. Infect Immun 1999 1.24
37 Detection of Dichelobacter nodosus using species-specific oligonucleotides as PCR primers. Vet Microbiol 1993 1.22
38 The closely related ermB-ermAM genes from Clostridium perfringens, Enterococcus faecalis (pAM beta 1), and Streptococcus agalactiae (pIP501) are flanked by variants of a directly repeated sequence. Antimicrob Agents Chemother 1995 1.19
39 Hybridization analysis of the class P tetracycline resistance determinant from the Clostridium perfringens R-plasmid, pCW3. Plasmid 1988 1.16
40 Cloning of the Escherichia coli K-12 dihydrofolate reductase gene following mu-mediated transposition. Gene 1980 1.16
41 Isolation of alpha-toxin, theta-toxin and kappa-toxin mutants of Clostridium perfringens by Tn916 mutagenesis. Microb Pathog 1997 1.15
42 Amplification and modification of dihydrofolate reductase in Escherichia coli. Nucleotide sequence of fol genes from mutationally altered plasmids. J Biol Chem 1982 1.14
43 Instability in tyrR strains of plasmids carrying the tyrosine operon: isolation and characterization of plasmid derivatives with insertions or deletions. J Bacteriol 1980 1.12
44 Genetic organization and distribution of tetracycline resistance determinants in Clostridium perfringens. Antimicrob Agents Chemother 1996 1.09
45 The clostridial mobilisable transposons. Cell Mol Life Sci 2002 1.07
46 Genetic organization of the duplicated vap region of the Dichelobacter nodosus genome. J Bacteriol 1994 1.07
47 Isolation and characterization of Clostridium perfringens mutants altered in both hemagglutinin and sialidase production. J Bacteriol 1975 1.06
48 Construction and virulence testing of a collagenase mutant of Clostridium perfringens. Microb Pathog 2000 1.06
49 Relationship between hemagglutinin and sialidase from Clostridium perfringens CN3870: chromatographic characterization of the biologically active proteins. J Bacteriol 1976 1.02
50 Molecular analysis of a Leptospira borgpetersenii gene encoding an endoflagellar subunit protein. J Gen Microbiol 1991 1.01
51 The macrolide-lincosamide-streptogramin B resistance determinant from Clostridium difficile 630 contains two erm(B) genes. Antimicrob Agents Chemother 2000 1.01
52 Glutamate residues located within putative transmembrane helices are essential for TetA(P)-mediated tetracycline efflux. J Bacteriol 1997 1.01
53 The occurrence of antibiotic resistance in Clostridium perfringens from pigs. Aust Vet J 1985 0.99
54 Delineation of the virulence-related locus (vrl) of Dichelobacter nodosus. Microbiology 1995 0.99
55 Identification of three gene regions associated with virulence in Dichelobacter nodosus, the causative agent of ovine footrot. J Gen Microbiol 1991 0.97
56 Chloramphenicol resistance in Clostridium difficile is encoded on Tn4453 transposons that are closely related to Tn4451 from Clostridium perfringens. Antimicrob Agents Chemother 1998 0.97
57 Tn4451 from Clostridium perfringens is a mobilizable transposon that encodes the functional Mob protein, TnpZ. Mol Microbiol 1998 0.95
58 Epsilon toxin is essential for the virulence of Clostridium perfringens type D infection in sheep, goats, and mice. Infect Immun 2013 0.94
59 Relationship between the Clostridium perfringens catQ gene product and chloramphenicol acetyltransferases from other bacteria. Antimicrob Agents Chemother 1991 0.92
60 Apple software for analysis of the size of restriction fragments. Nucleic Acids Res 1984 0.92
61 Complete nucleotide sequence of the 27-kilobase virulence related locus (vrl) of Dichelobacter nodosus: evidence for extrachromosomal origin. Infect Immun 1999 0.92
62 Transposition of Tn4451 and Tn4453 involves a circular intermediate that forms a promoter for the large resolvase, TnpX. Mol Microbiol 2000 0.90
63 Characterisation of virulent and benign strains of Bacteroides nodosus. Vet Microbiol 1991 0.90
64 Evidence that Bacteroides nodosus belongs in subgroup gamma of the class Proteobacteria, not in the genus Bacteroides: partial sequence analysis of a B. nodosus 16S rRNA gene. Int J Syst Bacteriol 1990 0.89
65 Organization of ribosomal RNA genes from the footrot pathogen Dichelobacter nodosus. Microbiology 1996 0.89
66 Comparative sequence analysis of the catB gene from Clostridium butyricum. Antimicrob Agents Chemother 1992 0.87
67 Characterization of monofunctional chorismate mutase/prephenate dehydrogenase enzymes obtained via mutagenesis of recombinant plasmids in vitro. Eur J Biochem 1982 0.86
68 Glutamate residues in the putative transmembrane region are required for the function of the VirS sensor histidine kinase from Clostridium perfringens. Microbiology 2000 0.86
69 The Clostridium perfringens chloramphenicol resistance transposon Tn4451 excises precisely in Escherichia coli. Plasmid 1988 0.85
70 Identification of structural and functional domains of the tetracycline efflux protein TetA(P) from Clostridium perfringens. Microbiology 1999 0.84
71 Electroporation-mediated transformation of the ovine footrot pathogen Dichelobacter nodosus. FEMS Microbiol Lett 1998 0.84
72 Transcriptional analysis of the tet(P) operon from Clostridium perfringens. J Bacteriol 2001 0.84
73 A multiple site-specific DNA-inversion model for the control of Omp1 phase and antigenic variation in Dichelobacter nodosus. Mol Microbiol 1995 0.84
74 The recA gene from Clostridium perfringens is induced by methyl methanesulphonate and contains an upstream Cheo box. Microbiology 1997 0.83
75 Sequence of fimbrial subunit-encoding genes from virulent and benign isolates of Dichelobacter (Bacteroides) nodosus. Gene 1991 0.83
76 Relationship between hemagglutinin and sialidase from Clostridium perfringens CN3870: gel filtration of mutant and reverant activities. J Bacteriol 1976 0.82
77 Identification of fimbrial assembly genes from Dichelobacter nodosus: evidence that fimP encodes the type-IV prepilin peptidase. Gene 1995 0.81
78 Expression of two conserved leptospiral antigens in Escherichia coli. J Med Microbiol 1989 0.81
79 The thermostability of proteases from virulent and benign strains of Bacteroides nodosus. Vet Microbiol 1984 0.80
80 Molecular analysis of one of multiple protease-encoding genes from the prototype virulent strain of Bacteroides nodosus. Gene 1989 0.79
81 A gene region in Dichelobacter nodosus encoding a lipopolysaccharide epitope. Microbiology 1995 0.78
82 Complementation analysis of the Dichelobacter nodosus fimN, fimO, and fimP genes in Pseudomonas aeruginosa and transcriptional analysis of the fimNOP gene region. Infect Immun 1998 0.77
83 Induction of pCW3-encoded tetracycline resistance in Clostridium perfringens involves a host-encoded factor. Plasmid 2001 0.77
84 Lysogeny and other characteristics of Staphylococcus hyicus isolated from chickens. Vet Microbiol 1983 0.77
85 Taenia hydatigena: isolation of mitochondrial DNA, molecular cloning, and physical mitochondrial genome mapping. Exp Parasitol 1987 0.76
86 Physical and genetic map of the chromosome of Dichelobacter nodosus strain A198. Gene 1997 0.76
87 Identification and genetic mapping of proteins encoded in the fimbrial subunit gene region of Bacteroides nodosus. Vet Microbiol 1990 0.75
88 Production of chorismate mutase-prephenate dehydrogenase by a strain of Escherichia coli carrying a multicopy, tyrA plasmid. Isolation and properties of the enzyme. Biochim Biophys Acta 1982 0.75
89 Characterization of the cloned Escherichia coli dihydrofolate reductase. Biochim Biophys Acta 1981 0.75