Plasmid-mediated transformation of Streptococcus mutans.

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RESUMO

Streptococcus mutans GS-5 was transformed to erythromycin resistance with streptococcal plasmid pVA736. Transformation frequencies were higher with plasmids reisolated from transformed GS-5 cells relative to plasmid originally derived from S. sanguis Challis.

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