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  • Title: Sortase A contributes to pneumococcal nasopharyngeal colonization in the chinchilla model.
    Author: Chen S, Paterson GK, Tong HH, Mitchell TJ, DeMaria TF.
    Journal: FEMS Microbiol Lett; 2005 Dec 01; 253(1):151-4. PubMed ID: 16246506.
    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.
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