Streptococcus pyogenes emm types and subtypes of isolates from paediatric asymptomatic carriers and children with pharyngitis

被引：0

作者：

Blandino, Giovanna ^{[1
]}

Puglisi, Salvatore ^{[1
]}

Speciale, Annamaria ^{[1
]}

Musumeci, Rosario ^{[2
]}

机构：

[1] Univ Catania, Dept Microbiol & Gynecol Sci, Microbiol Sect, I-95124 Catania, Italy

[2] Univ Milano Bicocca, Dept Clin Med & Prevent, Monza, Italy

来源：

NEW MICROBIOLOGICA | 2011年 / 34卷 / 01期

关键词：

Streptococcus pyogenes; emm subtypes; Pharyngitis; Asymptomatic carrier; GROUP-A STREPTOCOCCI; INTERNALIZATION-ASSOCIATED PROTEINS; INFECTIONS; RESISTANCE; GENES;

D O I：

暂无

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

This study determined emm subtypes of Streptococcus pyogenes strains isolated from asymptomatic carriers and children with pharyngitis. All strains were previously investigated for fibronectin-binding genes (prtF1 and prtF2) and antimicrobial susceptibility. The most significant differences between the two groups, which share only 5 of the 14 detected emm subtypes, concern the presence of the two more common mum subtypes, 12.0(50.0% vs. 3.1%, for asymptomatic carriers and children with pharyngitis, respectively) and 1.0 (28.1% vs. 0%, for children with pharyngitis and asymptomatic carriers, respectively).

引用

收藏

页码：101 / 104

页数：4

相关论文

共 16 条

[1] Detection of genes encoding internalization-associated proteins in Streptococcus pyogenes isolates from patients with invasive diseases and asymptomatic carriers [J].

Baldassarri, Lucilla ;

Creti, Roberta ;

Imperi, Monica ;

Recchia, Simona ;

Pataracchia, Marco ;

Orefici, Graziella .

JOURNAL OF CLINICAL MICROBIOLOGY, 2007, 45 (04) :1284-1287

[2] Streptococcal emm types associated with T-agglutination types and the use of conserved emm gene restriction fragment patterns for subtyping group A streptococci [J].

Beall, B ;

Facklam, RR ;

Elliott, JA ;

Franklin, AR ;

Hoenes, T ;

Jackson, D ;

Laclaire, L ;

Thompson, T ;

Viswanathan, R .

JOURNAL OF MEDICAL MICROBIOLOGY, 1998, 47 (10) :893-898

[3] Sequencing emm-specific PCR products for routine and accurate typing of group a streptococci [J].

Beall, B ;

Facklam, R ;

Thompson, T .

JOURNAL OF CLINICAL MICROBIOLOGY, 1996, 34 (04) :953-958

[4] emm and sof gene sequence variation in relation to serological typing of opacity-factor-positive group A streptococci [J].

Beall, B ;

Gherardi, G ;

Lovgren, M ;

Facklam, RR ;

Forwick, BA ;

Tyrrell, GJ .

MICROBIOLOGY-SGM, 2000, 146 :1195-1209

[5] Association of group A streptococcal emm types with virulence traits and macrolide-resistance genes is independent of the source of isolation [J].

Creti, R ;

Gherardi, G ;

Imperi, M ;

von Hunolstein, C ;

Baldassarri, L ;

Pataracchia, M ;

Alfarone, G ;

Cardona, F ;

Dicuonzo, G ;

Orefici, G .

JOURNAL OF MEDICAL MICROBIOLOGY, 2005, 54 (10) :913-917

[6] emm types, virulence factors, and antibiotic resistance of invasive Streptococcus pyogenes isolates from Italy:: what has changed in 11 years? [J].

Creti, Roberta ;

Imperi, Monica ;

Baldassarri, Lucilla ;

Pataracchia, Marco ;

Recchia, Simona ;

Alfarone, Giovanna ;

Orefici, Graziella .

JOURNAL OF CLINICAL MICROBIOLOGY, 2007, 45 (07) :2249-2256

[7] Pathogenesis of group A streptococcal infections [J].

Cunningham, MW .

CLINICAL MICROBIOLOGY REVIEWS, 2000, 13 (03) :470-+

[8] Molecular and clinical characteristics of invasive group A streptococcal infection in Sweden [J].

Darenberg, Jessica ;

Luca-Harari, Bogdan ;

Jasir, Aftab ;

Sandgren, Andreas ;

Pettersson, Helena ;

Schalen, Claes ;

Norgren, Mari ;

Romanus, Victoria ;

Norrby-Teglund, Anna ;

Normark, Birgitta Henriques .

CLINICAL INFECTIOUS DISEASES, 2007, 45 (04) :450-458

[9] The intracellular status of Streptococcus pyogenes:: role of extracellular matrix-binding proteins and their regulation [J].

Kreikemeyer, B ;

Klenk, M ;

Podbielski, A .

INTERNATIONAL JOURNAL OF MEDICAL MICROBIOLOGY, 2004, 294 (2-3) :177-188

[10] Molecular characterisation and clonal analysis of group A streptococci causing pharyngitis among paediatric patients in Palermo, Italy [J].

Lorino, G ;

Gherardi, G ;

Angeletti, S ;

De Cesaris, M ;

Graziano, N ;

Maringhini, S ;

Merlino, F ;

Di Bernardo, F ;

Dicuonzo, G .

CLINICAL MICROBIOLOGY AND INFECTION, 2006, 12 (02) :189-192