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FEMS Microbiol Lett. 2005 Dec 1;253(1):151-4. Epub 2005 Oct 13.

Sortase A contributes to pneumococcal nasopharyngeal colonization in the chinchilla model.

Author information

1
Division of Otologic Research, College of Medicine and Public Health, The Ohio State University, Room 4331, Cramblett Hall, 456 W. 10th Avenue, Columbus, OH 43210, USA.

Abstract

Sortase A (SrtA) is required to anchor neuraminidase, beta-galactosidase, and possibly other LPXTG motif proteins to the pneumococcal cell surface. We examined the role of SrtA in Streptococcus pneumoniae nasopharyngeal (NP) colonization in the chinchilla model. The srtA mutant colonized the nasopharynx at a significantly lower level than the D39 parent strain during the second and third week of the carriage, and was eliminated from nasopharynx one week earlier than the D39 pneumococci. Our data indicate that SrtA contributes to pneumococcal NP colonization in this animal model.

PMID:
16246506
DOI:
10.1016/j.femsle.2005.09.052
[Indexed for MEDLINE]
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