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ARDRA profiles of foodborne isolate Lactobacillus delbrueckii 23 (23) obtained by digestion of PCR-amplified 16S rDNA with EcoRI or Tru9I restriction enzymes. Commercial isolates L. delbrueckii subsp. lactis LMG6401 (L), subsp. bulgaricus (B) or subsp. delbrueckii LMG6412T (D) were used as reference subspecies controls.
