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Volume 7, Number 5—October 2001
Dispatch

Fluoroquinolone Resistance among Streptococcus pneumoniae in Hong Kong Linked to the Spanish 23F Clone

Pak Leung Ho*, Wing Cheong Yam*, Terence K.M. Cheung*, Wilson W.S. Ng*, Tak Lun Que†, Dominic N.C. Tsang‡, Tak Keung Ng§, and Wing Hong Seto*
Author affiliations: *University of Hong Kong, Hong Kong Special Administrative Region (SAR), China; †Tuen Mun Hospital, Hong Kong SAR, China; ‡Queen Elizabeth Hospital, Hong Kong SAR, China; §Princess Margaret Hospital, Hong Kong SAR, China

Main Article

Figure

Pulsed-field gel electrophoresis (PFGE) patterns of SmaI-digested genomic DNA of Streptococcus pneumoniae isolates. Seven distinct patterns, including A and its subtypes (A0 to A5) and B to G, are shown. Labels indicate the PFGE pattern, hospital source, and serotype. Lane 1: molecular weight markers; lane 2: S. pneumoniae ATCC 49619; lanes 3 to 8: ciprofloxacin-resistant isolates; lane 9: Spanish 23F clone (ATCC 700669); lanes 10-19: ciprofloxacin-sensitive isolates.

Figure. . Pulsed-field gel electrophoresis (PFGE) patterns of SmaI-digested genomic DNA of Streptococcus pneumoniae isolates. Seven distinct patterns, including A and its subtypes (A0 to A5) and B to G, are shown. Labels indicate the PFGE pattern, hospital source, and serotype. Lane 1: molecular weight markers; lane 2: S. pneumoniae ATCC 49619; lanes 3 to 8: ciprofloxacin-resistant isolates; lane 9: Spanish 23F clone (ATCC 700669); lanes 10-19: ciprofloxacin-sensitive isolates.

Main Article

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