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Circulation of Streptococcus pneumoniae clone Colombia5 ST289 in nine Latin American countries

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Date
2009
Author
Firacative, Carolina
Moreno, Jaime
Rosales, Patricia
Maldonado, Aurora
Sánchez, Jacqueline
Pesantes, Carmen
López, Sergio
Quinzada, Markela de
Chamorro, Gustavo
Morales, Sara
Spadola, Enza
Gabastou, Jean-Marc
Castañeda, Elizabeth
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Abstract
OBJECTIVE: To determine genetic relatedness of clone Colombia5 ST289 with invasive Streptococcus pneumoniae serotype 5 isolates recovered in nine Latin American countries. METHODS: Forty-four invasive S. pneumoniae serotype 5 isolates recovered from children under 5 years of age in Bolivia, Chile, Dominican Republic, Ecuador, Nicaragua, Panama, Paraguay, Peru, and Venezuela were studied. Pulsed-field gel electrophoresis patterns of DNA treated with SmaI restriction enzyme were classified using Tenover's criteria and analyzed with the Fingerprinting II program to determine their genetic relatedness with the Colombian clone. RESULTS: All isolates had a genetic similarity of 78.5 percent or more with the Colombian clone. Thirteen electrophoretic subtypes derived of pattern A were identified, and five of them (A5, A6, A8, A13, A27) comprised 61.4 percent of the isolates. CONCLUSIONS: Clone Colombia5 ST289 is disseminated in Latin America. This is important because S. pneumoniae serotype 5 frequently causes invasive disease in the region and is associated with trimethoprim-sulfamethoxazole resistance.(AU)
 
OBJETIVO: Determinar la relación genética del clon Colombia5 ST289 con los aislamientos invasores de Streptococcus pneumoniae serotipo 5 provenientes de nueve países latinoamericanos. MÉTODOS: Se estudiaron 45 aislamientos invasores de Streptococcus pneumoniae serotipo 5 procedentes de niños menores de 5 años de Bolivia, Chile, Ecuador, Nicaragua, Panamá, Paraguay, Perú, República Dominicana y Venezuela. Los patrones en electroforesis en gel de campo pulsante del ADN tratado con la enzima de restricción SmaI se clasificaron mediante el criterio de Tenover y se analizaron con el programa Fingerprinting II para determinar su relación genética con el clon colombiano. RESULTADOS: Todos los aislamientos tuvieron una similitud genética de 78,5 por ciento o mayor con el clon colombiano. Se identificaron 13 subtipos electroforéticos derivados del patrón A y cinco de ellos (A5, A6, A8, A13 y A27) constituyeron 61,4 por ciento de los aislamientos. CONCLUSIONES: El clon Colombia5 ST289 está diseminado por América Latina. Esto es importante ya que S. pneumoniae serotipo 5 es causa frecuente de enfermedades invasoras en la Región y está asociado con la resistencia a trimetoprim-sulfametoxazol.(AU)
 
Series
Rev Panam Salud Publica;25(4),abr. 2009
Subject
Streptococcus pneumoniae; Epidemiology, molecular; Latin America; Electrophoresis, Gel, Pulsed-Field; Surveillance; Streptococcus pneumoniae; Vigilancia; Epidemiología Molecular; Electroforesis en Gel de Campo Pulsado; América Latina; Streptococcus pneumoniae; Streptococcus pneumoniae; Colômbia; América Latina
URI
http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892009000400008
https://iris.paho.org/handle/10665.2/9859
Citation
Firacative, Carolina,Moreno, Jaime,Rosales, Patricia,Maldonado, Aurora,Sánchez, Jacqueline,Pesantes, Carmen,López, Sergio,Quinzada, Markela de,Chamorro, Gustavo,Morales, Sara,Spadola, Enza,Gabastou, Jean-Marc,Castañeda, Elizabeth (2009) Circulation of Streptococcus pneumoniae clone Colombia5 ST289 in nine Latin American countries. Rev Panam Salud Publica;25(4) 337-343,apr. 2009. Retrieved from http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892009000400008
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  • Pan American Journal of Public Health

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