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TAP-PCR-generated fingerprints of various Bifidobacterium breve and B. infantis strains using a 1-to-1 ratio of P32-A to P32-T. Lanes a, b, and c, annealing temperatures of 38, 40, and 42°C, respectively; lane M, 1-kb ladder (BRL). Molecular sizes (left) are in kilobases. The arrow points to a band which is discussed in the text.
