Published in Antimicrob Agents Chemother on October 01, 1977
Synergistic action of ampicillin and nafcillin against ampicillin-resistant Haemophilus influenzae. Antimicrob Agents Chemother (1980) 1.07
Synergistic action of nafcillin and ampicillin against ampicillin-resistant Haemophilus influenzae type b bacteremia and meningitis in infant rats. Antimicrob Agents Chemother (1980) 1.03
Elaboration of type b capsule by Haemophilus influenzae as a determinant of pathogenicity and impaired killing by trimethoprim-sulfamethoxazole. J Clin Invest (1982) 1.00
Effects of ampicillin, cefazolin and cefoperazone treatments on GLT-1 expressions in the mesocorticolimbic system and ethanol intake in alcohol-preferring rats. Neuroscience (2015) 0.83
Comparative in vitro and in vivo activity of temocillin (BRL 17421) and ampicillin against Haemophilus influenzae type b. Antimicrob Agents Chemother (1983) 0.82
Experimental meningitis in the rat: Haemophilus influenzae. Infection (1984) 0.80
Novel method for detection of beta-lactamases by using a chromogenic cephalosporin substrate. Antimicrob Agents Chemother (1972) 61.10
Haemophilus influenzae type B resistant to ampicillin. A report of two cases. JAMA (1974) 9.56
Human serum activities against Hemophilus influenzae, type b. J Clin Invest (1972) 7.85
Ampicillin-resistant Haemophilus influenzae type B infection. JAMA (1974) 5.90
Letter: Ampicillin-resistant Haemophilus influenzae meningitis. Lancet (1974) 5.33
Haemophilus influenzae meningitis in infant rats after intranasal inoculation. J Infect Dis (1974) 4.94
Ampicillin-resistant Haemophilus influenzae type B possessing a TEM-type beta-lactamase but little permeability barrier to ampicillin. Lancet (1975) 3.34
Haemophilus influenzae meningitis in infant rats: role of bacteremia in pathogenesis of age-dependent inflammatory responses in cerebrospinal fluid. J Infect Dis (1977) 2.09
Susceptibility of Hemophilus influenzae, type b, to ampicillin at Los Angeles County/University of Southern California Medical Center. A reappraisal after ten years. J Pediatr (1975) 1.34
The penetration of broad-spectrum antibiotics into the cerebrospinal fluid. Ann N Y Acad Sci (1967) 1.26
Characterization and prevalence of the different mechanisms of resistance to beta-lactam antibiotics in clinical isolates of Escherichia coli. Antimicrob Agents Chemother (1974) 0.98
Mechanisms of resistance to cephalosporins in ampicillin-resistant Escherichia coli. J Infect Dis (1973) 0.88
A functional classification scheme for beta-lactamases and its correlation with molecular structure. Antimicrob Agents Chemother (1995) 26.51
Complete genome sequence of Neisseria meningitidis serogroup B strain MC58. Science (2000) 16.04
The introduction of jet injection mass vaccination into the national smallpox eradication program of Brazil. Trop Geogr Med (1971) 11.37
More extended-spectrum beta-lactamases. Antimicrob Agents Chemother (1991) 11.28
The gal locus from Haemophilus influenzae: cloning, sequencing and the use of gal mutants to study lipopolysaccharide. Mol Microbiol (1992) 9.22
Identification of vaccine candidates against serogroup B meningococcus by whole-genome sequencing. Science (2000) 7.41
Novel plasmid-mediated beta-lactamase (MIR-1) conferring resistance to oxyimino- and alpha-methoxy beta-lactams in clinical isolates of Klebsiella pneumoniae. Antimicrob Agents Chemother (1990) 6.11
Outbreak of ceftazidime resistance caused by extended-spectrum beta-lactamases at a Massachusetts chronic-care facility. Antimicrob Agents Chemother (1990) 5.81
Detection of Pneumocystis carinii with DNA amplification. Lancet (1990) 5.50
Haemophilus influenzae meningitis in infant rats after intranasal inoculation. J Infect Dis (1974) 4.94
Production of Haemophilus influenzae b meningitis in infant rats by intraperitoneal inoculation. Infect Immun (1973) 4.80
Evolution of extended-spectrum beta-lactam resistance (SHV-8) in a strain of Escherichia coli during multiple episodes of bacteremia. Antimicrob Agents Chemother (1997) 4.20
PCR for capsular typing of Haemophilus influenzae. J Clin Microbiol (1994) 4.08
Global genetic structure and molecular epidemiology of encapsulated Haemophilus influenzae. Rev Infect Dis (1990) 4.06
Effect of salt concentration on the apparent in-vitro susceptibility of Pseudomonas and other gram-negative bacilli to gentamicin. J Infect Dis (1971) 3.76
Vaccine failures after primary immunisation with Haemophilus influenzae type-b conjugate vaccine without booster. Lancet (1997) 3.69
Outbreak of multidrug-resistant Enterococcus faecium with transferable vanB class vancomycin resistance. J Clin Microbiol (1994) 3.61
Immunogenicity of combined diphtheria, tetanus, and pertussis vaccine given at 2, 3, and 4 months versus 3, 5, and 9 months of age. Lancet (1992) 3.60
The molecular mechanism of phase variation of H. influenzae lipopolysaccharide. Cell (1989) 3.60
Characterization of IMI-1 beta-lactamase, a class A carbapenem-hydrolyzing enzyme from Enterobacter cloacae. Antimicrob Agents Chemother (1996) 3.44
DNA repeats identify novel virulence genes in Haemophilus influenzae. Proc Natl Acad Sci U S A (1996) 3.38
Ampicillin-resistant Haemophilus influenzae type B possessing a TEM-type beta-lactamase but little permeability barrier to ampicillin. Lancet (1975) 3.34
Five novel plasmid-determined beta-lactamases. Antimicrob Agents Chemother (1985) 3.34
Vacuum blood-culture bottles inhibiting growth of Candida and fostering growth of Bacteroides. Lancet (1974) 3.26
The type b capsular polysaccharide as a virulence determinant of Haemophilus influenzae: studies using clinical isolates and laboratory transformants. J Infect Dis (1981) 3.24
Comparison of polyacrylamide and agarose gel thin-layer isoelectric focusing for the characterization of beta-lactamases. Antimicrob Agents Chemother (1983) 3.19
Molecular cloning and DNA homology of plasmid-mediated beta-lactamase genes. Mol Gen Genet (1987) 3.12
Clonal population structure of encapsulated Haemophilus influenzae. Infect Immun (1988) 3.03
Molecular epidemiology of antibiotic resistance in salmonella from animals and human beings in the United States. N Engl J Med (1982) 2.97
Cloning of chromosomal DNA from Haemophilus influenzae. Its use for studying the expression of type b capsule and virulence. J Clin Invest (1984) 2.94
Virulence and transmissibility of pathogens: what is the relationship? Trends Microbiol (1997) 2.91
Beta-lactamases. Br Med Bull (1984) 2.90
Population-based study of non-typable Haemophilus influenzae invasive disease in children and neonates. Lancet (1993) 2.88
Genetics of spontaneous, high-frequency loss of b capsule expression in Haemophilus influenzae. Infect Immun (1985) 2.84
Simple sequence repeats in the Helicobacter pylori genome. Mol Microbiol (1998) 2.75
Evolutionary genetics of the encapsulated strains of Haemophilus influenzae. Proc Natl Acad Sci U S A (1988) 2.68
The bex locus in encapsulated Haemophilus influenzae: a chromosomal region involved in capsule polysaccharide export. Mol Microbiol (1990) 2.49
Capsule loss in H. influenzae type b occurs by recombination-mediated disruption of a gene essential for polysaccharide export. Cell (1988) 2.49
Repeat-associated phase variable genes in the complete genome sequence of Neisseria meningitidis strain MC58. Mol Microbiol (2000) 2.44
Amplification of mitochondrial ribosomal RNA sequences from Pneumocystis carinii DNA of rat and human origin. Mol Biochem Parasitol (1990) 2.42
Shared themes of antigenic variation and virulence in bacterial, protozoal, and fungal infections. Microbiol Mol Biol Rev (1997) 2.42
Ampicillin treatment failure of apparently beta-lactamase-negative Haemophilus influenzae type b meningitis due to novel beta-lactamase. Lancet (1981) 2.41
The carriage of Escherichia coli resistant to antimicrobial agents by healthy children in Boston, in Caracas, Venezuela, and in Qin Pu, China. N Engl J Med (1990) 2.40
Pathogenesis of neonatal Escherichia coli meningitis: induction of bacteremia and meningitis in infant rats fed E. coli K1. Infect Immun (1977) 2.39
The role of pili in the interactions of pathogenic Neisseria with cultured human endothelial cells. Mol Microbiol (1991) 2.36
The impact of conjugate vaccine on carriage of Haemophilus influenzae type b. J Infect Dis (1995) 2.31
The risk of endothelial infection in adults with salmonella bacteremia. Ann Intern Med (1978) 2.29
Spread of a "Pseudomonas-specific" beta-lactamase to plasmids of enterobacteria. J Bacteriol (1982) 2.28
Meningococcal Opa and Opc proteins: their role in colonization and invasion of human epithelial and endothelial cells. Mol Microbiol (1993) 2.26
Detection and quantitation of bacteremia in childhood. J Pediatr (1977) 2.21
An animal source for the ROB-1 beta-lactamase of Haemophilus influenzae type b. Antimicrob Agents Chemother (1986) 2.21
Opc- and pilus-dependent interactions of meningococci with human endothelial cells: molecular mechanisms and modulation by surface polysaccharides. Mol Microbiol (1995) 2.18
SME-type carbapenem-hydrolyzing class A beta-lactamases from geographically diverse Serratia marcescens strains. Antimicrob Agents Chemother (2000) 2.15
Multipotent stem/progenitor cells with similar properties arise from two neurogenic regions of adult human brain. Exp Neurol (1999) 2.14
The length of a tetranucleotide repeat tract in Haemophilus influenzae determines the phase variation rate of a gene with homology to type III DNA methyltransferases. Mol Microbiol (2000) 2.13
Haemophilus influenzae meningitis in infant rats: role of bacteremia in pathogenesis of age-dependent inflammatory responses in cerebrospinal fluid. J Infect Dis (1977) 2.09
Characterization of repetitive sequences controlling phase variation of Haemophilus influenzae lipopolysaccharide. J Bacteriol (1990) 2.08
Safety, immunogenicity, and induction of immunologic memory by a serogroup C meningococcal conjugate vaccine in infants: A randomized controlled trial. JAMA (2000) 2.07
Emergence and nosocomial transmission of ampicillin-resistant enterococci. Antimicrob Agents Chemother (1992) 2.07
Surface determinants of Haemophilus influenzae pathogenicity: comparative virulence of capsular transformants in normal and complement-depleted rats. J Infect Dis (1983) 2.06
The simple sequence contingency loci of Haemophilus influenzae and Neisseria meningitidis. J Clin Invest (2001) 2.04
The Haemophilus influenzae capsulation gene cluster: a compound transposon. Mol Microbiol (1991) 2.03
The role of a repetitive DNA motif (5'-CAAT-3') in the variable expression of the Haemophilus influenzae lipopolysaccharide epitope alpha Gal(1-4)beta Gal. Mol Microbiol (1993) 1.98
Capsulation in distantly related strains of Haemophilus influenzae type b: genetic drift and gene transfer at the capsulation locus. J Bacteriol (1990) 1.98
Common organization of chromosomal loci for production of different capsular polysaccharides in Haemophilus influenzae. J Bacteriol (1989) 1.96
Variable expression of the Opc outer membrane protein in Neisseria meningitidis is caused by size variation of a promoter containing poly-cytidine. Mol Microbiol (1994) 1.96
Haemophilus influenzae type b disease in the Oxford region. Arch Dis Child (1989) 1.95
Molecular analysis of a locus for the biosynthesis and phase-variable expression of the lacto-N-neotetraose terminal lipopolysaccharide structure in Neisseria meningitidis. Mol Microbiol (1995) 1.93
Haemophilus influenzae bacteremia and meningitis resulting from survival of a single organism. Proc Natl Acad Sci U S A (1978) 1.88
Sialic acid in the lipopolysaccharide of Haemophilus influenzae: strain distribution, influence on serum resistance and structural characterization. Mol Microbiol (1999) 1.88
Antibody concentration and clinical protection after Hib conjugate vaccination in the United Kingdom. JAMA (2000) 1.83
Moxalactam therapy of infections caused by cephalothin-resistant bacteria: influence of serum inhibitory activity on clinical response and acquisition of antibiotic resistance during therapy. Antimicrob Agents Chemother (1981) 1.81
Use of the complete genome sequence information of Haemophilus influenzae strain Rd to investigate lipopolysaccharide biosynthesis. Mol Microbiol (1996) 1.79
Dissemination of an antibiotic resistance plasmid in hospital patient flora. Antimicrob Agents Chemother (1980) 1.79
Pseudomonas cepacia: an emerging pathogen in chronic granulomatous disease. J Pediatr (1986) 1.79
IgA1 proteases of Haemophilus influenzae: cloning and characterization in Escherichia coli K-12. Proc Natl Acad Sci U S A (1983) 1.77
Genes involved in Haemophilus influenzae type b capsule expression are part of an 18-kilobase tandem duplication. Proc Natl Acad Sci U S A (1986) 1.76
Contribution of lipopolysaccharide to pathogenicity of Haemophilus influenzae: comparative virulence of genetically-related strains in rats. Microb Pathog (1986) 1.75
Therapeutic and epidemiologic recommendations to reduce the spread of type-I beta-lactamase resistance. Diagn Microbiol Infect Dis (1992) 1.74
Absence in Helicobacter pylori of an uptake sequence for enhancing uptake of homospecific DNA during transformation. Microbiology (1999) 1.73
Expression of the Opc protein correlates with invasion of epithelial and endothelial cells by Neisseria meningitidis. Mol Microbiol (1992) 1.72
Broad-spectrum, transmissible beta-lactamases. N Engl J Med (1988) 1.70
Pharmacodynamics of piperacillin alone and in combination with tazobactam against piperacillin-resistant and -susceptible organisms in an in vitro model of infection. Antimicrob Agents Chemother (1994) 1.70
Capsulation and gene copy number at the cap locus of Haemophilus influenzae type b. J Bacteriol (1988) 1.67
Clinical and immunological risk factors associated with Haemophilus influenzae type b conjugate vaccine failure in childhood. Clin Infect Dis (2000) 1.65
Surveillance of antimicrobial resistance: the WHONET program. Clin Infect Dis (1997) 1.61
Loss of OmpC porin in a strain of Salmonella typhimurium causes increased resistance to cephalosporins during therapy. J Infect Dis (1987) 1.60
Indirect enzyme-linked immunosorbent assay for the quantitation of the type-specific antigen of Haemophilus influenzae b: a preliminary report. J Pediatr (1980) 1.59
Computer-generated plots of results of antimicrobial-susceptibility tests. JAMA (1969) 1.58
Identification of a chromosomal locus for expression of lipopolysaccharide epitopes in Haemophilus influenzae. Infect Immun (1989) 1.56
Alteration of the cell wall of Haemophilus influenzae type b by transformation with cloned DNA: association with attenuated virulence. J Infect Dis (1985) 1.56