• 1
    Alloing, G., Martin, B., Granadel, C., Claverys, J.P. (1998)Development of competence in Streptococcus pneumoniae: pheromone auto-induction and control of quorum-sensing by the oligopeptide permease. Mol Microbiol 29: 7584.
  • 2
    Austrian, R. (1986) Some aspects of the pneumococcal carrier state. J Antimicrob Chemother 18: 3545.
  • 3
    Berg, D.E. & Howe, M.M. (1989) Mobile DNA. Washington, DC: American Society for Microbiology Press.
  • 4
    Claverys, J.P. & Lacks, S.A. (1986) Heteroduplex deoxyribonucleic acid base mismatch repair in bacteria. Microbiol Rev 50: 133165.
  • 5
    Claverys, J.P., Lefèvre, J.C., Sicard, A.M. (1980) Transformation of Streptococcus pneumoniae with Streptococcus pneumoniae–lambda phage hybrid DNA: induction of deletions. Proc Natl Acad Sci USA 77: 35343538.
  • 6
    Claverys, J.P., Grossiord, B., Alloing, G. (2000) Is the Ami-AliAB oligopeptide permease of Streptococcus pneumoniae involved in sensing environmental conditions? Microbes Infection (in press).
  • 7
    Coffey, T.J., Enright, M.C., Daniels, M., Morona, J.K., Morona, R., Hryniewicz, W., et al (1998) Recombinational exchanges at the capsular polysaccharide biosynthetic locus lead to frequent serotype changes among natural isolates of Streptococcus pneumoniae. Mol Microbiol 27: 7383.
  • 8
    Dowson, C.G., Coffey, T.J., Spratt, B.G. (1994) Origin and molecular epidemiology of penicillin-binding-mediated resistance to β-lactam antibiotics. Trends Microbiol 2: 361366.
  • 9
    Dubnau, D. (1991) Genetic competence in Bacillus subtilis. Microbiol Rev 55: 395424.
  • 10
    Fenoll, A., Mun~oz, R., García, E., De La Campa, A.G. (1994) Molecular basis of the optochin-sensitive phenotype of pneumococcus: Characterization of the genes encoding the F0 complex of the Streptococcus pneumoniae and Streptococcus oralis H+-ATPases. Mol Microbiol 12: 587598.
  • 11
    García, E. & López, R. (1997) Molecular biology of the capsular genes of Streptococcus pneumoniae. FEMS Microbiol Lett 149: 110.
  • 12
    Gasc, A.-M., Giammarinaro, P., Richter, S., Sicard, A.M. (1998) Organization around the dnaA gene of Streptococcus pneumoniae. Microbiology 144: 433439.
  • 13
    Hakenbeck, R., Grebe, T., Zähner, D., Stock, J.B. (1999) β-Lactam resistance in Streptococcus pneumoniae: penicillin-binding proteins and non-penicillin-binding proteins. Mol Microbiol 33: 673678.
  • 14
    Håvarstein, L.S. & Morrison, D.A. (1999) Quorum sensing and peptide pheromones in streptococcal competence for genetic transformation. In Cell–Cell Signaling in Bacteria. Dunny, G.M., and Winans, S.C. (eds). Washington, DC: American Society for Microbiology Press, pp. 926.
  • 15
    Håvarstein, L.S., Hakenbeck, R., Gaustad, P. (1997) Natural competence in the genus Streptococcus: evidence that streptococci can change pherotype by interspecies recombinational exchanges. J Bacteriol 179: 65896594.
  • 16
    Humbert, O., Prudhomme, M., Hakenbeck, R., Dowson, C.G., Claverys, J.P. (1995) Homeologous recombination and mismatch repair during transformation in Streptococcus pneumoniae: saturation of the Hex mismatch repair system. Proc Natl Acad Sci USA 92: 90529056.
  • 17
    Lacks, S.A. (1962) Molecular fate of DNA in genetic transformation of pneumococcus. J Mol Biol 5: 119131.
  • 18
    Lacks, S.A. (1999) DNA uptake by transformable bacteria. In Transport of Molecules Across Microbial Membranes. Broome-Smith, J.K., Baumberg, S., Stirling, C.J., and Ward, F.B. (eds). Symposia of the Society for General Microbiology, Cambridge University Press, pp. 138168.
  • 19
    Lacks, S.A., Mannarelli, B.M., Springhorn, S.S., Greenberg, B. (1986) Genetic basis of the complementary DpnI and DpnII restriction systems of S. pneumoniae: an intercellular cassette mechanism. Cell 46: 9931000.
  • 20
    Lee, M.S. & Morrison, D.A. (1999) Identification of a new regulator in Streptococcus pneumoniae linking quorum sensing to competence for genetic transformation. J Bacteriol 181: 50045016.
  • 21
    Llull, D., Munoz, R., Lopez, R., Garcia, E. (1999) A single gene (tts) located outside the cap locus directs the formation of Streptococcus pneumoniae type 37 capsular polysaccharide. Type 37 pneumococci are natural, genetically binary strains. J Exp Med 190: 241251.
  • 22
    Lorenz, M.G. & Wackernagel, W. (1994) Bacterial gene transfer by natural genetic transformation in the environment. Microbiol Rev 58: 563602.
  • 23
    Mahillon, J. & Chandler, M. (1998) Insertion sequences. Microb Mol Biol Rev 62: 725774.
  • 24
    Martin, B., Garcia, P., Castanié, M.P., Claverys, J.P. (1995) The recA gene of Streptococcus pneumoniae is part of a competence-induced operon and controls lysogenic induction. Mol Microbiol 15: 367379.
  • 25
    Matic, I., Taddei, F., Radman, M. (1996) Genetic barriers among bacteria. Trends Microbiol 4: 6973.
  • 26
    Matic, I., Radman, M., Taddei, F., Picard, B., Doit, C., Bingen, E., et al (1997) Highly variable mutation rates in commensal and pathogenic Escherichia coli. Science 277: 18331834.
  • 27
    Mercer, D.K., Scott, K.P., Bruce-Johnson, W.A., Glover, L.A., Flint, H.J. (1999) Fate of free DNA and transformation of the oral bacterium Streptococcus gordonii DL1 by plasmid DNA in human saliva. Appl Environ Microbiol 65: 610.
  • 28
    Mortier-Barrière, I., Humbert, O., Martin, B., Prudhomme, M., Claverys, J.P. (1997) Control of recombination rate during transformation of Streptococcus pneumoniae: an overview. Microb Drug Res 3: 233242.
  • 29
    Mortier-Barrière, I., De Saizieu, A., Claverys, J.P., Martin, B. (1998) Competence-specific induction of recA is required for full recombination proficiency during transformation in Streptococcus pneumoniae. Mol Microbiol 27: 159170.
  • 30
    Oggioni, M.R. & Claverys, J.P. (1999) Repeated extragenic sequences in procaryotic genomes: a proposal for the origin and dynamics of the RUP element in Streptococcus pneumoniae. Microbiology 145: 26472653.
  • 31
    Ottolenghi, E. & Hotchkiss, R.D. (1960) Appearance of genetic transforming activity in pneumococcal cultures. Science 132: 12571258.
  • 32
    Ottolenghi, E. & Hotchkiss, R.D. (1962) Release of genetic transforming agent from pneumococcal cultures during growth and disintegration. J Exp Med 116: 491519.
  • 33
    Ottolenghi-Nightingale, E. (1972) Competence of pneumococcal isolates and bacterial transformation in man. Infect Immun 6: 785792.
  • 34
    Poulsen, K., Reinholdt, J., Jespersgaard, C., Boye, K., Brown, T.A., Hauge, M., et al (1998) A comprehensive genetic study of streptococcal immunoglobulin A1 proteases: evidence for recombination within and between species. Infect Immun 21: 853862.
  • 35
    Taddei, F., Vulic, M., Radman, M., Matic, I. (1997) Genetic variability and adaptation to stress. EXS 83: 271290.
  • 36
    Whatmore, A.M., Barcus, V.A., Dowson, C.G. (1999) Genetic diversity of the streptococcal competence (com) gene locus. J Bacteriol 181: 31443154.
  • 37
    Yasbin, R.E., Cheo, D., Bol, D. (1993) DNA repair systems. In Bacillus subtilis and Other Gram-Positive Bacteria: Biochemistry, Physiology and Molecular Genetics. Sonenshein, A.L., Hoch, J.A., and Losick, R. (eds). Washington, DC: American Society for Microbiology Press, pp. 529537.