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Typical fragments of the 16S rRNA gene of S. canis isolated from milk samples after digestion with different restriction enzymes. Lanes 1 to 4, PCR fragments after digestion with RsaI; lanes 5 to 8, PCR fragments after digestion with MspI; lanes 9 to 12, PCR fragments after digestion with AvaII; lanes M, GeneRuler 100-bp DNA ladder (MBI Fermentas).
