Etiological role and molecular-genetic features of <i>Streptococcus pneumoniae</i> in children’s infectious diseases

Objective: To study the etiological role, serotype distribution and prevalent Streptococcus pneumoniae genotypes (sequence types) in 459 children hospitalized with acute purulent otitis media, acute tonsillitis, community-acquired pneumonia, and purulent bacterial meningitis. Pneumococcal cultures i...

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Main Authors: I. N. Protasova, G. P. Martynova, N. A. Ilyenkova, I. A. Kutischeva, S. V. Domracheva, O. P. Ovchinnikova, E. S. Sokolovskaya
Format: Article
Language:Russian
Published: LLC "Diagnostics and Vaccines" 2020-03-01
Series:Детские инфекции (Москва)
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Online Access:https://detinf.elpub.ru/jour/article/view/475
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author I. N. Protasova
G. P. Martynova
N. A. Ilyenkova
I. A. Kutischeva
S. V. Domracheva
O. P. Ovchinnikova
E. S. Sokolovskaya
author_facet I. N. Protasova
G. P. Martynova
N. A. Ilyenkova
I. A. Kutischeva
S. V. Domracheva
O. P. Ovchinnikova
E. S. Sokolovskaya
author_sort I. N. Protasova
collection DOAJ
description Objective: To study the etiological role, serotype distribution and prevalent Streptococcus pneumoniae genotypes (sequence types) in 459 children hospitalized with acute purulent otitis media, acute tonsillitis, community-acquired pneumonia, and purulent bacterial meningitis. Pneumococcal cultures isolated from patients were tested for sensitivity to antimicrobials, and presence of resistance genes.Materials and Methods: The cultural and molecular methods (PCR, sequencing) were used. Statistical analysis was carried out using Microsoft Excel 2007 and Statistica 6.0. Results: S. pneumoniae was detected in 16,8%. The prevalent serotypes were 19F (39.7%) and 19A (13.2%) — representatives of multidrug-resistant clonal com-plex 320. Isolates of serogroup 6 (6AB, 8.82%) belonged to clonal complex 315, and characterized by resistance to macrolides, clindamycin and tetracycline.From 70.6% to 88.2% of S. pneumoniae serotypes isolated from patients corresponded to «vaccine»-types.
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publishDate 2020-03-01
publisher LLC "Diagnostics and Vaccines"
record_format Article
series Детские инфекции (Москва)
spelling doaj-art-c2b8f8d73b724ed58d68b7c34d0da6ed2025-08-20T02:02:51ZrusLLC "Diagnostics and Vaccines"Детские инфекции (Москва)2072-81072020-03-0119171210.22627/2072-8107-2020-19-1-7-12432Etiological role and molecular-genetic features of <i>Streptococcus pneumoniae</i> in children’s infectious diseasesI. N. Protasova0G. P. Martynova1N. A. Ilyenkova2I. A. Kutischeva3S. V. Domracheva4O. P. Ovchinnikova5E. S. Sokolovskaya6Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical UniversityProfessor V.F. Voino-Yasenetsky Krasnoyarsk State Medical UniversityProfessor V.F. Voino-Yasenetsky Krasnoyarsk State Medical UniversityProfessor V.F. Voino-Yasenetsky Krasnoyarsk State Medical UniversityKrasnoyarsk Interregional Children’s Hospital № 4Krasnoyarsk Interregional Children’s Clinical Hospital №1Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical UniversityObjective: To study the etiological role, serotype distribution and prevalent Streptococcus pneumoniae genotypes (sequence types) in 459 children hospitalized with acute purulent otitis media, acute tonsillitis, community-acquired pneumonia, and purulent bacterial meningitis. Pneumococcal cultures isolated from patients were tested for sensitivity to antimicrobials, and presence of resistance genes.Materials and Methods: The cultural and molecular methods (PCR, sequencing) were used. Statistical analysis was carried out using Microsoft Excel 2007 and Statistica 6.0. Results: S. pneumoniae was detected in 16,8%. The prevalent serotypes were 19F (39.7%) and 19A (13.2%) — representatives of multidrug-resistant clonal com-plex 320. Isolates of serogroup 6 (6AB, 8.82%) belonged to clonal complex 315, and characterized by resistance to macrolides, clindamycin and tetracycline.From 70.6% to 88.2% of S. pneumoniae serotypes isolated from patients corresponded to «vaccine»-types.https://detinf.elpub.ru/jour/article/view/475<i>streptococcus pneumoniae</i>pneumococcusetiological roleserotypes in childrensequence-typesresistance
spellingShingle I. N. Protasova
G. P. Martynova
N. A. Ilyenkova
I. A. Kutischeva
S. V. Domracheva
O. P. Ovchinnikova
E. S. Sokolovskaya
Etiological role and molecular-genetic features of <i>Streptococcus pneumoniae</i> in children’s infectious diseases
Детские инфекции (Москва)
<i>streptococcus pneumoniae</i>
pneumococcus
etiological role
serotypes in children
sequence-types
resistance
title Etiological role and molecular-genetic features of <i>Streptococcus pneumoniae</i> in children’s infectious diseases
title_full Etiological role and molecular-genetic features of <i>Streptococcus pneumoniae</i> in children’s infectious diseases
title_fullStr Etiological role and molecular-genetic features of <i>Streptococcus pneumoniae</i> in children’s infectious diseases
title_full_unstemmed Etiological role and molecular-genetic features of <i>Streptococcus pneumoniae</i> in children’s infectious diseases
title_short Etiological role and molecular-genetic features of <i>Streptococcus pneumoniae</i> in children’s infectious diseases
title_sort etiological role and molecular genetic features of i streptococcus pneumoniae i in children s infectious diseases
topic <i>streptococcus pneumoniae</i>
pneumococcus
etiological role
serotypes in children
sequence-types
resistance
url https://detinf.elpub.ru/jour/article/view/475
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