Literature DB >> 18032618

Optochin resistance among Streptococcus pneumoniae strains colonizing healthy children in Portugal.

Sónia Nunes1, Raquel Sá-Leão, Hermínia de Lencastre.   

Abstract

Two percent of 1,973 pneumococcus strains isolated from carriers since 2001 in Portugal were found to be optochin resistant. These strains belonged to eight serotypes (and some were nontypeable), and they had diverse genetic backgrounds. Novel optochin-resistant lineages were detected over time, suggesting that there was a continuous, although sporadic, emergence of optochin resistance.

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Year:  2007        PMID： 18032618      PMCID： PMC2224255          DOI： 10.1128/JCM.02097-07

Source DB:  PubMed          Journal:  J Clin Microbiol        ISSN： 0095-1137            Impact factor:   5.948


  17 in total

1.  Serotyping Streptococcus pneumoniae by multiplex PCR.

Authors:  D A Brito; M Ramirez; H de Lencastre
Journal:  J Clin Microbiol       Date:  2003-06       Impact factor: 5.948

2.  Evolving clinical problems with Streptococcus pneumoniae: increasing resistance to antimicrobial agents, and failure of traditional optochin identification in Chicago, Illinois, between 1993 and 1996.

Authors:  A P Borek; D C Dressel; J Hussong; L R Peterson
Journal:  Diagn Microbiol Infect Dis       Date:  1997-12       Impact factor: 2.803

3.  Molecular bases of three characteristic phenotypes of pneumococcus: optochin-sensitivity, coumarin-sensitivity, and quinolone-resistance.

Authors:  A G de la Campa; E García; A Fenoll; R Muñoz
Journal:  Microb Drug Resist       Date:  1997       Impact factor: 3.431

4.  Optochin resistance in Streptococcus pneumoniae strains isolated from blood and middle ear fluid.

Authors:  S Kontiainen; A Sivonen
Journal:  Eur J Clin Microbiol       Date:  1987-08       Impact factor: 3.267

5.  Optochin-resistant Streptococcus pneumoniae.

Authors:  G Phillips; R Barker; O Brogan
Journal:  Lancet       Date:  1988-07-30       Impact factor: 79.321

6.  Typing of pneumococci by using 12 pooled antisera.

Authors:  U B Sørensen
Journal:  J Clin Microbiol       Date:  1993-08       Impact factor: 5.948

7.  Carriage of respiratory tract pathogens and molecular epidemiology of Streptococcus pneumoniae colonization in healthy children attending day care centers in Lisbon, Portugal.

Authors:  H De Lencastre; K G Kristinsson; A Brito-Avô; I S Sanches; R Sá-Leão; J Saldanha; E Sigvaldadottir; S Karlsson; D Oliveira; R Mato; M Aires de Sousa; A Tomasz
Journal:  Microb Drug Resist       Date:  1999       Impact factor: 3.431

8.  Optochin-resistant variants of Streptococcus pneumoniae.

Authors:  R Muñoz; A Fenoll; D Vicioso; J Casal
Journal:  Diagn Microbiol Infect Dis       Date:  1990 Jan-Feb       Impact factor: 2.803

9.  Accuracy of phenotypic and genotypic testing for identification of Streptococcus pneumoniae and description of Streptococcus pseudopneumoniae sp. nov.

Authors:  Judy C Arbique; Claire Poyart; Patrick Trieu-Cuot; Gilles Quesne; Maria da Glória S Carvalho; Arnold G Steigerwalt; Roger E Morey; Delois Jackson; Ross J Davidson; Richard R Facklam
Journal:  J Clin Microbiol       Date:  2004-10       Impact factor: 5.948

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Authors:  Cícero A Dias; Grasiela Agnes; Ana Paula G Frazzon; Filipe D Kruger; Pedro A d'Azevedo; Maria da Glória S Carvalho; Richard R Facklam; Lúcia M Teixeira
Journal:  J Clin Microbiol       Date:  2007-07-11       Impact factor: 5.948
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  11 in total

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Authors:  Tatiana C A Pinto; Aline R V Souza; Sandrine E C M de Pina; Natália S Costa; Armando A Borges Neto; Felipe P G Neves; Vânia L C Merquior; Cícero A G Dias; José M Peralta; Lúcia M Teixeira
Journal:  J Clin Microbiol       Date:  2013-07-24       Impact factor: 5.948

2.  Highly penicillin-resistant multidrug-resistant pneumococcus-like strains colonizing children in Oeiras, Portugal: genomic characteristics and implications for surveillance.

Authors:  Alexandra S Simões; Raquel Sá-Leão; Marc J Eleveld; Débora A Tavares; João A Carriço; Hester J Bootsma; Peter W M Hermans
Journal:  J Clin Microbiol       Date:  2009-11-11       Impact factor: 5.948

3.  The development of a 16S rRNA gene based PCR for the identification of Streptococcus pneumoniae and comparison with four other species specific PCR assays.

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Journal:  BMC Infect Dis       Date:  2010-04-29       Impact factor: 3.090

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Authors:  Paulo R Cortes; Andrea G Albarracín Orio; Mabel Regueira; Germán E Piñas; José Echenique
Journal:  J Clin Microbiol       Date:  2008-04-16       Impact factor: 5.948

5.  Accuracy of phenotypic methods for identification of Streptococcus pneumoniae isolates included in surveillance programs.

Authors:  Sandra S Richter; Kristopher P Heilmann; Cassie L Dohrn; Fathollah Riahi; Susan E Beekmann; Gary V Doern
Journal:  J Clin Microbiol       Date:  2008-05-21       Impact factor: 5.948

6.  The mystery of the fourth clone: comparative genomic analysis of four non-typeable Streptococcus pneumoniae strains with different susceptibilities to optochin.

Authors:  L N Ikryannikova; D S Ischenko; G G Lominadze; A V Kanygina; I Y Karpova; E S Kostryukova; N A Mayansky; V S Skvortsov; E N Ilina; V M Govorun
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7.  Identification of clinical Streptococcus pneumoniae isolates among other alpha and nonhemolytic streptococci by use of the Vitek MS matrix-assisted laser desorption ionization-time of flight mass spectrometry system.

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8.  Disease isolates of Streptococcus pseudopneumoniae and non-typeable S. pneumoniae presumptively identified as atypical S. pneumoniae in Spain.

Authors:  Dora Rolo; Alexandra S Simões; Arnau Domenech; Asunción Fenoll; Josefina Liñares; Hermínia de Lencastre; Carmen Ardanuy; Raquel Sá-Leão
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9.  The influence of Streptococcus pneumoniae nasopharyngeal colonization on the clinical outcome of the respiratory tract infections in preschool children.

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10.  The role of host and microbial factors in the pathogenesis of pneumococcal bacteraemia arising from a single bacterial cell bottleneck.

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Journal:  PLoS Pathog       Date:  2014-03-20       Impact factor: 6.823
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