Failure to detect capsule gene bexA in Haemophilus influenzae types e and f by real-time PCR due to sequence variation within probe binding sites

References

1. Campos J., Hernando M., Román F., Pèrez-Vázquez M., Aracil B., Oteo J., Lázaro E., de Abajo F. & the Group of Invasive Haemophilus influenzae Infections of the Autonomous Community of Madrid. Spain: 2004; Analysis of invasive Haemophilus influenzae infections after extensive vaccination against H.influenzae type b. J Clin Microbiol 42:524–529 [CrossRef]
   [Google Scholar]
2. Corless C. E., Guiver M., Borrow R., Edwards-Jones V., Fox A. J., Kaczmarski E. B. 2001; Simultaneous detection of Neisseria meningitidis, Haemophilus influenzae , and Streptococcus pneumoniae in suspected cases of meningitis and septicemia using real-time PCR. J Clin Microbiol 39:1553–1558 [CrossRef]
   [Google Scholar]
3. Falla T. J., Crook D. W. M., Brophy L. N., Maskell D., Kroll J. S., Moxon E. R. 1994; PCR for capsular typing of Haemophilus influenzae . J Clin Microbiol 32:2382–2386
   [Google Scholar]
4. Gonin P., Lorange M., Delage G. 2000; Performance of a multiplex PCR for the determination of Haemophilus influenzae capsular types in the clinical microbiology laboratory. Diagn Microbiol Infect Dis 37:1–4 [CrossRef]
   [Google Scholar]
5. Kroll J. S., Hopkins I., Moxon E. R. 1988; Capsule loss in Haemophilus influenzae type b occurs by recombination-mediated disruption of a gene essential for polysaccharide export. Cell 53:347–356 [CrossRef]
   [Google Scholar]
6. Kroll J. S., Zamze S., Loynds B., Moxon E. R. 1989; Common organization of chromosomal loci for production of different capsular polysaccharides in Haemophilus influenzae . J Bacteriol 171:3343–3347
   [Google Scholar]
7. Kroll J. S., Loynds B. M., Moxon E. R. 1990; The bex locus in encapsulated Haemophilus influenzae : a chromosomal region involved in capsule polysaccharide export. Mol Microbiol 4:1853–1862 [CrossRef]
   [Google Scholar]
8. Satola S. W., Schirmer P. L., Farley M. M. 2003; Genetic analysis of the capsule locus of Haemophilus influenzae serotype f. Infect Immun 71:7202–7207 [CrossRef]
   [Google Scholar]
9. Slack M. P. E., Azzopardi H. J., Hargeaves R. M., Ramsay M. E. 1998; Enhanced surveillance of invasive Haemophilus influenzae disease in England, 1990 to 1996: impact of conjugate vaccines. Pediatr Infect Dis J 17:S204–S207 [CrossRef]
   [Google Scholar]
10. Urwin G., Krohn J. A., Deaver-Robinson K., Wenger J. D., Farley M. M. & the Haemophilus influenzae Study Group; (1996; Invasive disease due to Haemophilus influenzae serotype f: clinical and epidemiologic characteristics in the H.influenzae serotype b vaccine era. Clin Infect Dis 22:1069–1076 [CrossRef]
    [Google Scholar]
11. van Ketel R. J., de Wever B., van Alphen L. 1990; Detection of Haemophilus influenzae in cerebrospinal fluids by polymerase chain reaction DNA amplification. J Med Microbiol 33:271–276 [CrossRef]
    [Google Scholar]