speA and speC toxin genes among group A streptococcus isolates from school children in Chennai, India
نویسندگان
چکیده
منابع مشابه
Tobacco use among school children in Chennai city, India.
AIMS The present study was done to build a database on prevalence of tobacco use among students of grade 8 to 10 in Chennai city, for the purpose of advocacy of tobacco control and planning tobacco control interventions and evaluation. MATERIALS AND METHODS A two-stage stratified probability sample of students in grades 8-10 corresponding to 13 to 15 years of age were selected from private/go...
متن کاملcMLS and M phenotypes among Streptococcus pyogenes isolates in Chennai.
Group A Streptococcus associated diseases continue to be a major public health problem. Asymptomatic carriage of GAS is prevalent in school children. Penicillin remains the drug of choice for GAS infections; alternate therapies include macrolides and cephalosporins. Though resistance to penicillin has never been reported, resistance to macrolides and lincosamides is being increasingly reported ...
متن کاملScreening for Asymptomatic Renal Disease among School Children from Chennai City, India
Background: Urinary screening tests are vital for premature detection of renal diseases in asymptomatic school children and adolescents. Objectives: The purpose of the study was to identify school children aged from 6 to 18 years with asymptomatic renal disease by urinalysis. Materials and Methods: Two schools were selected from Chennai city and children between the ages 6 and 18 years attendin...
متن کاملStreptococcus invasive locus (sil) in Group A Streptococcus causing non-invasive infections in Chennai, South India
Introduction Group A Streptococcus (GAS) causes diseases ranging from superficial skin & throat infections to severe lifethreatening diseases. Streptococcus invasive locus (sil) is a virulence gene responsible for pathogenesis of GAS. This study intends to detect the presence of sil gene among the non-invasive GAS and its association with toxin genes, erythromycin resistance genes, and emm types.
متن کاملNAD-glycohydrolase production and speA and speC distribution in Group A streptococcus (GAS) isolates do not correlate with severe GAS diseases in the Australian population.
Streptococcus pyogenes isolates from a tropical region and a subtropical region of Australia with high and low incidences of severe streptococcal diseases, respectively, were analyzed for speA, speB, and speC gene distributions and NAD-glycohydrolase expression. No direct correlation of these characteristics with a propensity to cause invasive diseases was observed.
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ژورنال
عنوان ژورنال: Journal of Medical Microbiology
سال: 2007
ISSN: 0022-2615,1473-5644
DOI: 10.1099/jmm.0.47147-0