Isolation ratio and T-serotyping of group A streptococci from pediatric upper respiratory tract infections in Turkey

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dc.contributor.authorTopkaya A.E.
dc.contributor.authorYildirim T.
dc.contributor.authorArsan S.
dc.date.accessioned2024-07-12T21:44:38Z
dc.date.available2024-07-12T21:44:38Z
dc.date.issued2005en_US
dc.departmentMaltepe Üniversitesien_US
dc.description.abstractObjective: Acute rheumatic fever can follow throat infections with group A streptococci. Certain serotypes of group A streptococci such as M1, M3, M5, M6, M14, M18, M19, M24 are associated with this disorder. Immunity to streptococci and to rheumatic fever depends on antibodies to the M proteins. Due to current scarcity of M-typing sera, many laboratories use T typing and opacity factor production for serotype identification of group A streptococci. In order to, investigate the most common serotypes of group A streptococci in our country in recent years we studied T-agglutination typing and opacity factor of 120 group A streptococci strains isolated from throat cultures of 930 children. Methods: Diffuse, stable suspensions of group A streptococci were tested with polyvalent antisera (T,U,W,X,Y) by slide agglutination. Microplate method was used for opacity factor detection. Results: T-protein -agglutination patterns U (2,4,6,28) were the most common among typeable strains. The rate of T-protein -agglutination patterns T (1,3,13, B3264) and X (8,14,25,lmp.19) were 20% and 18% respectively. Opacity factor production rate of isolated group A streptococci strains was 65%. Conclusion: To profit global assessment of rheumatic fever and rheumatic heart disease, more epidemiologic and serotyping research is required in our country.en_US
dc.identifier.endpage304en_US
dc.identifier.issn1302-8723
dc.identifier.issue4en_US
dc.identifier.pmid16330397en_US
dc.identifier.scopus2-s2.0-29544439367en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage302en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12415/7743
dc.identifier.volume5en_US
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.relation.ispartofAnadolu Kardiyoloji Dergisien_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmzKY00181
dc.subjectGroup A streptococcusen_US
dc.subjectIsolation rateen_US
dc.subjectSerotypingen_US
dc.titleIsolation ratio and T-serotyping of group A streptococci from pediatric upper respiratory tract infections in Turkeyen_US
dc.typeArticle
dspace.entity.typePublication

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