Increasing ceftriaxone resistance and multiple alterations of penicillin-binding proteins among penicillin-resistant Streptococcus pneumoniae isolates in Taiwan

  • Cheng Hsun Chiu*
  • , Lin Hui Su
  • , Yhu Chering Huang
  • , Jui Chia Lai
  • , Hsiu Ling Chen
  • , Tsu Lan Wu
  • , Tzou Yien Lin
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

29 Scopus citations

Abstract

The rate of nonsusceptibility of penicillin-resistant Streptococcus pneumoniae strains to ceftriaxone increased significantly in Taiwan in 2005. Approximately 90% of the ceftriaxone-nonsusceptible isolates were found to be of four major serotypes (serotypes 6B, 14, 19F, and 23F). Seven amino acid alterations in the penicillin-binding protein 2B transpeptidase-encoding region specifically contributed to the resistance.

Original languageEnglish
Pages (from-to)3404-3406
Number of pages3
JournalAntimicrobial Agents and Chemotherapy
Volume51
Issue number9
DOIs
StatePublished - 09 2007

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