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Product-moment and UPGMA cluster analysis of (GTG)5-PCR genomic fingerprint profiles of L. lactis isolates. The isolates cluster in two subgroups, cluster A comprising 11 L. lactis subsp. cremoris and 9 L. lactis subsp. lactis isolates and cluster B including the other 67 L. lactis subsp. lactis isolates. Isolates obtained from dairy substrates are indicated (▪).
