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Volume 5, Number 2—April 1999

Synopsis

Clonal Differences among Erythromycin-Resistant Streptococcus pyogenes in Spain

Emilio Perez-Trallero*, José María Marimón*, Milagrosa Montes*, Beatriz Orden†, and Manuela de Pablos‡
Author affiliations: *Universidad del País Vasco, San Sebastián, Spain; †Centro Especialidades "Argüelles," Madrid, Spain; ‡Hospital Txagorritxu, Vitoria, Spain

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Figure 1

Pulsed-field gel electrophoresis of SfiI restriction fragments of Streptococcus pyogenes DNAs of erythromycin-resistant S. pyogenes. Lanes 1-2, MLSb phenotype strains; lane 3, clone F (biotype I, type T28, emm28); lanes 4-5, clone A (biotype III, type T12, emm12); lanes 6-7, clone B (biotype I, type T4, emm4); lanes 8-9, clone C (biotype I, type T4, emm4); lane 10, clone D (biotype V, type T8.25, emm75); lanes 11-12, clone E (biotype I, type T1, emm1); lane 13, DNA size standards (lambda ladder,

Figure 1. Pulsed-field gel electrophoresis of SfiI restriction fragments of Streptococcus pyogenes DNAs of erythromycin-resistant S. pyogenes. Lanes 1-2, MLSb phenotype strains; lane 3, clone F (biotype I, type T28, emm28); lanes 4-5, clone A (biotype III, type T12, emm12); lanes 6-7, clone B (biotype I, type T4, emm4); lanes 8-9, clone C (biotype I, type T4, emm4); lane 10, clone D (biotype V, type T8.25, emm75); lanes 11-12, clone E (biotype I, type T1, emm1); lane 13, DNA size standards (lambda ladder, 48.5 to 1,018 kb); lanes 14 and 16, clone H (biotype III, type TB3264, emm2); and lane 15, clone G (biotype I, type TB3264 emm not typeable).

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