Published in J Bacteriol on June 01, 1972
Escherichia coli K-12 F-prime factors, old and new. Bacteriol Rev (1972) 18.27
Molecular structure of bacterial plasmids. Bacteriol Rev (1972) 13.61
Colicinogeny and related phenomena. Bacteriol Rev (1975) 3.51
Conjugational complementation analysis of transfer-deficient mutants of Flac in Escherichia coli. J Bacteriol (1972) 3.28
Molecular cloning of DNA from F sex factor of Escherichia coli K-12. Proc Natl Acad Sci U S A (1976) 2.81
Assignment of tra cistrons to EcoRI fragments of F sex factor DNA. J Bacteriol (1978) 2.32
Mapping loci for surface exclusion and incompatibility on the F factor of Escherichia coli K-12. J Bacteriol (1974) 2.10
Two Escherichia coli chromosomal cistrons, sfrA and sfrB, which are needed for expression of F factor tra functions. J Bacteriol (1979) 2.07
Location of the origin of transfer of the sex factor F. J Bacteriol (1972) 1.98
Retraction of F pili. J Bacteriol (1974) 1.97
Deletion map of the Escherichia coli K-12 sex factor F: the order of eleven transfer cistrons. J Bacteriol (1972) 1.95
Effects of growth inhibitors and ultraviolet irradiation on F pili. J Bacteriol (1972) 1.63
cis-Dominant, transfer-deficient mutants of the Escherichia coli K-12 F sex factor. J Bacteriol (1976) 1.50
DNA transfer occurs during a cell surface contact stage of F sex factor-mediated bacterial conjugation. J Bacteriol (1985) 1.38
Nature of the carbohydrate and phosphate associated with ColB2 and EDP208 pilin. J Bacteriol (1981) 1.35
Comparison of proteins involved in pilus synthesis and mating pair stabilization from the related plasmids F and R100-1: insights into the mechanism of conjugation. J Bacteriol (1999) 1.26
traG protein of the F sex factor of Escherichia coli K-12 and its role in conjugation. Proc Natl Acad Sci U S A (1981) 1.22
Five control systems preventing transfer of Escherichia coli K-12 sex factor F. J Bacteriol (1975) 1.21
Identification of a membrane protein associated with expression of the surface exclusion region of the F transfer operon. J Bacteriol (1977) 1.18
Revised genetic map of the distal end of the F transfer operon: implications for DNA helicase I, nicking at oriT, and conjugal DNA transport. J Bacteriol (1987) 1.18
Recombination and the Escherichia coli K-12 sex factor F. J Bacteriol (1975) 1.07
Indirect selection for plasmid mutants: isolation of ColVBtrp mutants defective in self-maintenance in Escherichia coli. J Bacteriol (1975) 1.06
The Escherichia coli K-12 F plasmid gene traX is required for acetylation of F pilin. J Bacteriol (1993) 1.05
Defective F pili and other characteristics of Flac and Hfr Escherichia coli mutants resistant to bacteriophage R17. J Bacteriol (1979) 1.04
Plasmid specificity of the origin of transfer of sex factor F. J Bacteriol (1974) 1.03
Transfer-deficient mutants of the narrow-host-range plasmid R91-5 of Pseudomonas aeruginosa. J Bacteriol (1978) 1.01
A traC mutant that retains sensitivity to f1 bacteriophage but lacks F pili. J Bacteriol (1987) 1.01
Plasmid cointegrates of Flac and lambda prophage. J Bacteriol (1978) 0.97
Tn7 and Tn501 Insertions into Pseudomonas aeruginosa plasmid R91-5: mapping of two transfer regions. J Bacteriol (1982) 0.93
Inhibition of Flac transfer by the fin+ I-like plasmid R62. J Bacteriol (1974) 0.92
An active type IV secretion system encoded by the F plasmid sensitizes Escherichia coli to bile salts. J Bacteriol (2004) 0.89
Physical and genetic analysis of deletion mutants of plasmid R91-5 and the cloning of transfer genes in Pseudomonas aeruginosa. J Bacteriol (1982) 0.89
The F pilus mediates a novel pathway of CDI toxin import. Mol Microbiol (2014) 0.83
The nature of the traK4 mutation in the F sex factor of Escherichia coli. J Bacteriol (1994) 0.79
Identification of cistrons involved in conjugal transfer of narrow-host-range R plasmid R91-5 of Pseudomonas aeruginosa. J Bacteriol (1979) 0.78
Beginning a genetic analysis of conjugational transfer determined by the F factor in Escherichia coli by isolation and characterization of transfer-deficient mutants. J Bacteriol (1971) 8.45
Transduction of chromosomal genes and episomes in Escherichia coli. Virology (1960) 7.41
Transfer-defective mutants of sex factors in Escherichia coli. I. Defective mutants and complementation analysis. Genetics (1970) 3.61
On the origin and direction of replication of the Escherichia coli K12 chromosome. J Mol Biol (1968) 3.46
Conjugational complementation analysis of transfer-deficient mutants of Flac in Escherichia coli. J Bacteriol (1972) 3.28
Studies on Escherichia coli sex factors. 3. Covalently closed F'Lac DNA molecules. J Mol Biol (1968) 2.45
Asymmetric segregation of the complementary sex-factor DNA strands during conjugation in Escherichia coli. J Mol Biol (1970) 2.28
Two classes of Flac mutants insensitive to transfer inhibition by an F-like R factor. Mol Gen Genet (1971) 2.27
On the mechanism of genetic transfer during conjugation of Escherichia coli. J Cell Physiol (1967) 1.96
Deletion map of the Escherichia coli K-12 sex factor F: the order of eleven transfer cistrons. J Bacteriol (1972) 1.95
Transfer-defective mutants of sex factors in Escherichia coli. II. Deletion mutants of an F-prime and deletion mapping of cistrons involved in genetic transfer. Genetics (1970) 1.84
Plasmid specificity of two proteins required for conjugation in E. coli K12. Nat New Biol (1971) 1.68
Multilocus sequence typing: a portable approach to the identification of clones within populations of pathogenic microorganisms. Proc Natl Acad Sci U S A (1998) 39.20
Complete DNA sequence of a serogroup A strain of Neisseria meningitidis Z2491. Nature (2000) 9.86
Beginning a genetic analysis of conjugational transfer determined by the F factor in Escherichia coli by isolation and characterization of transfer-deficient mutants. J Bacteriol (1971) 8.45
Six widespread bacterial clones among Escherichia coli K1 isolates. Infect Immun (1983) 8.35
Free recombination within Helicobacter pylori. Proc Natl Acad Sci U S A (1998) 8.06
The relative contributions of recombination and mutation to the divergence of clones of Neisseria meningitidis. Mol Biol Evol (1999) 6.23
Conjugation proteins encoded by the F sex factor. Nature (1977) 5.23
Processing of plasmid DNA during bacterial conjugation. Microbiol Rev (1984) 4.83
Recombination and mutation during long-term gastric colonization by Helicobacter pylori: estimates of clock rates, recombination size, and minimal age. Proc Natl Acad Sci U S A (2001) 4.80
Antigenic and epidemiologic properties of the ET-37 complex of Neisseria meningitidis. J Infect Dis (1993) 4.02
Clonal and antigenic analysis of serogroup A Neisseria meningitidis with particular reference to epidemiological features of epidemic meningitis in the People's Republic of China. Infect Immun (1992) 4.02
The conjugation system of F-like plasmids. Annu Rev Genet (1980) 3.85
Clonal descent and microevolution of Neisseria meningitidis during 30 years of epidemic spread. Mol Microbiol (1997) 3.79
A global gene pool in the neisseriae. Mol Microbiol (1996) 3.69
Export without proteolytic processing of inner and outer membrane proteins encoded by F sex factor tra cistrons in Escherichia coli minicells. Proc Natl Acad Sci U S A (1979) 3.31
Clonal population structure of Neisseria meningitidis serogroup A isolated from epidemics and pandemics between 1915 and 1983. Rev Infect Dis (1988) 3.28
Conjugational complementation analysis of transfer-deficient mutants of Flac in Escherichia coli. J Bacteriol (1972) 3.28
Clonal analysis of descent and virulence among selected Escherichia coli. Annu Rev Microbiol (1986) 3.13
Mating aggregates in Escherichia coli conjugation. J Bacteriol (1975) 3.12
Allelic polymorphism and site-specific recombination in the opc locus of Neisseria meningitidis. Mol Microbiol (1996) 3.00
The control region of the F sex factor DNA transfer cistrons: restriction mapping and DNA cloning. Mol Gen Genet (1978) 2.95
Serogroup W135 meningococcal disease in Hajj pilgrims. Lancet (2001) 2.89
Escherichia coli strains binding neuraminyl alpha 2-3 galactosides. Biochem Biophys Res Commun (1983) 2.87
Fit genotypes and escape variants of subgroup III Neisseria meningitidis during three pandemics of epidemic meningitis. Proc Natl Acad Sci U S A (2001) 2.66
Multicenter comparison of Neisseria meningitidis serogroup C anti-capsular polysaccharide antibody levels measured by a standardized enzyme-linked immunosorbent assay. J Clin Microbiol (1994) 2.63
Cell--cell interactions in conjugating Escherichia coli: role of traT protein in surface exclusion. Proc Natl Acad Sci U S A (1977) 2.54
Characterisation of an in vivo system for nicking at the origin of conjugal DNA transfer of the sex factor F. J Mol Biol (1980) 2.53
Frequent interspecific genetic exchange between commensal Neisseriae and Neisseria meningitidis. Mol Microbiol (2000) 2.52
The porA gene in serogroup A meningococci: evolutionary stability and mechanism of genetic variation. Mol Microbiol (1994) 2.52
Lipopolysaccharide, capsule, and fimbriae as virulence factors among O1, O7, O16, O18, or O75 and K1, K5, or K100 Escherichia coli. Infect Immun (1984) 2.42
The genetics of transmissible plasmids. Annu Rev Genet (1972) 2.33
Induction of bacteremia in newborn rats by Escherichia coli K1 is correlated with only certain O (lipopolysaccharide) antigen types. Infect Immun (1983) 2.33
Assignment of tra cistrons to EcoRI fragments of F sex factor DNA. J Bacteriol (1978) 2.32
Clonal analysis of Escherichia coli O2:K1 isolated from diseased humans and animals. Infect Immun (1986) 2.27
Meningococcal Opa and Opc proteins: their role in colonization and invasion of human epithelial and endothelial cells. Mol Microbiol (1993) 2.26
Role of the capsule and the O antigen in resistance of O18:K1 Escherichia coli to complement-mediated killing. Infect Immun (1983) 2.24
Regulation of the F conjugation genes studied by hybridization and tra-lacZ fusion. J Mol Biol (1983) 2.21
Operon structure of DNA transfer cistrons on the F sex factor. Nature (1975) 2.15
The transcriptional control of fertility in F-like plasmids. J Mol Biol (1977) 2.10
Mapping loci for surface exclusion and incompatibility on the F factor of Escherichia coli K-12. J Bacteriol (1974) 2.10
Two Escherichia coli chromosomal cistrons, sfrA and sfrB, which are needed for expression of F factor tra functions. J Bacteriol (1979) 2.07
Virulence patterns and long-range genetic mapping of extraintestinal Escherichia coli K1, K5, and K100 isolates: use of pulsed-field gel electrophoresis. Infect Immun (1991) 2.02
Mobilization of the non-conjugative IncQ plasmid RSF1010. Genet Res (1981) 1.98
Clonal and variable properties of Neisseria meningitidis isolated from cases and carriers during and after an epidemic in The Gambia, West Africa. J Infect Dis (1989) 1.98
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
Deletion map of the Escherichia coli K-12 sex factor F: the order of eleven transfer cistrons. J Bacteriol (1972) 1.95
The nature of the transfer inhibitor of several F-like plasmids. Mol Gen Genet (1972) 1.92
The requirements for conjugal DNA synthesis in the donor strain during flac transfer. J Mol Biol (1978) 1.87
The site of action of the F transfer inhibitor. Mol Gen Genet (1973) 1.82
Necessity of molecular techniques to distinguish between Neisseria meningitidis strains isolated from patients with meningococcal disease and from their healthy contacts. J Clin Microbiol (1998) 1.80
Molecular and biological analysis of eight genetic islands that distinguish Neisseria meningitidis from the closely related pathogen Neisseria gonorrhoeae. Infect Immun (2000) 1.80
Meningitis caused by a serogroup W135 clone of the ET-37 complex of Neisseria meningitidis in West Africa. Trop Med Int Health (1998) 1.78
Mobilization of the non-conjugative plasmid RSF1010: a genetic and DNA sequence analysis of the mobilization region. Mol Gen Genet (1987) 1.72
Expression of the Opc protein correlates with invasion of epithelial and endothelial cells by Neisseria meningitidis. Mol Microbiol (1992) 1.72
Genetics of the F sex factor in enterobacteriaceae. Curr Top Microbiol Immunol (1973) 1.69
sfrA and sfrB products of Escherichia coli K-12 are transcriptional control factors. J Bacteriol (1981) 1.64
X-ray diffraction and electron microscope studies on the structure of bacterial F pili. J Mol Biol (1979) 1.57
Outer membrane of Escherichia coli: properties of the F sex factor traT protein which is involved in surface exclusion. J Bacteriol (1980) 1.55
The F plasmid origin of transfer: DNA sequence of wild-type and mutant origins and location of origin-specific nicks. EMBO J (1984) 1.54
Sequence diversity, predicted two-dimensional protein structure, and epitope mapping of neisserial Opa proteins. J Bacteriol (1998) 1.53
The control region of the F sex factor DNA transfer cistrons: physical mapping by deletion analysis. Mol Gen Genet (1979) 1.49
A genetic analysis of F sex factor cistrons needed for surface exclusion in Escherichia coli. J Mol Biol (1980) 1.48
Characterization of epidemic and nonepidemic Neisseria meningitidis serogroup A strains from Sudan and Sweden. J Clin Microbiol (1990) 1.45
Degree of antibody-independent activation of the classical complement pathway by K1 Escherichia coli differs with O antigen type and correlates with virulence of meningitis in newborns. Infect Immun (1984) 1.43
The 5C protein of Neisseria meningitidis is highly immunogenic in humans and induces bactericidal antibodies. J Infect Dis (1993) 1.42
Cell-cell interactions in conjugating Escherichia coli: role of F pili and fate of mating aggregates. J Bacteriol (1978) 1.37
The relationship between the transfer systems of some bacterial plasmids. Genet Res (1972) 1.36
Interactions between the surface exclusion systems of some F-like plasmids. Genet Res (1974) 1.35
Microevolution within a clonal population of pathogenic bacteria: recombination, gene duplication and horizontal genetic exchange in the opa gene family of Neisseria meningitidis. Mol Microbiol (1994) 1.33
Carcinoembryonic antigen family receptor specificity of Neisseria meningitidis Opa variants influences adherence to and invasion of proinflammatory cytokine-activated endothelial cells. Infect Immun (2000) 1.31
Genetic and physicochemical characterization of Escherichia coli strains carrying fused F' elements derived from KLF1 and F57. Proc Natl Acad Sci U S A (1972) 1.31
Tra cistrons and proteins encoded by the Escherichia coli antibiotic resistance plasmid R6-5. Mol Gen Genet (1978) 1.31
Early transfer of genes determining transfer functions by some Hfr strains in Escherichia coli K12. Mol Gen Genet (1972) 1.30
The opcA and (psi)opcB regions in Neisseria: genes, pseudogenes, deletions, insertion elements and DNA islands. Mol Microbiol (1999) 1.28
Specificities of IncF plasmid conjugation genes. Genet Res (1986) 1.27
Analysis of the promoter-distal region of the tra operon of the F sex factor of Escherichia coli K-12 encoded by EcoRI restriction fragments f17, f19, and f2. J Bacteriol (1982) 1.27
Conservation of plasmids among Escherichia coli K1 isolates of diverse origins. Infect Immun (1984) 1.25
traG protein of the F sex factor of Escherichia coli K-12 and its role in conjugation. Proc Natl Acad Sci U S A (1981) 1.22
Recombinational reassortment among opa genes from ET-37 complex Neisseria meningitidis isolates of diverse geographical origins. Microbiology (1998) 1.21
Properties of lambda transducing bacteriophages carrying R100 plasmid DNA: mercury resistance genes. J Bacteriol (1978) 1.21
Fertility repression of F-like conjugative plasmids: physical mapping of the R6--5 finO and finP cistrons and identification of the finO protein. Proc Natl Acad Sci U S A (1978) 1.20
pED100, a conjugative F plasmid derivative without insertion sequences. Mol Gen Genet (1981) 1.17
A semi-automatic technique for conducting many bacterial matings concurrently. Genet Res (1971) 1.17
Cloning, mutation, and location of the F origin of conjugal transfer. EMBO J (1982) 1.17
Investigations of the F conjugation gene traI:traI mutants and lambdatraI transducing phages. Mol Gen Genet (1979) 1.16
Cell-cell interactions in conjugating Escherichia coli: purification of F pili with biological activity. Proc Natl Acad Sci U S A (1978) 1.16
Evolution of Helicobacter pylori: the role of recombination. Trends Microbiol (1999) 1.14
Randomly amplified polymorphic DNA genotyping of serogroup A meningococci yields results similar to those obtained by multilocus enzyme electrophoresis and reveals new genotypes. J Clin Microbiol (1998) 1.14
Antibodies against IgA1 protease are stimulated both by clinical disease and asymptomatic carriage of serogroup A Neisseria meningitidis. J Infect Dis (1992) 1.11
Antibodies to O-antigen of lipopolysaccharide are protective against neonatal infection with Escherichia coli K1. Infect Immun (1985) 1.11
Promoters in the transfer region of plasmid F. Basic Life Sci (1985) 1.10
Cloning of F DNA fragments carrying the origin of transfer oriT and the fertility inhibition gene finP. J Mol Biol (1981) 1.10
Cloning and expression in Escherichia coli of opc, the gene for an unusual class 5 outer membrane protein from Neisseria meningitidis (meningococci/surface antigen). Microb Pathog (1991) 1.07
Microheterogeneity of serogroup A (subgroup III) Neisseria meningitidis during an outbreak in northern Ghana. Trop Med Int Health (2000) 1.05
The population structure of Neisseria meningitidis serogroup A fits the predictions for clonality. Infect Genet Evol (2001) 1.04