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Hybridization of 246-bp radiolabeled PCR product to restriction endonuclease digests of chromosomal DNAs purified from B. infantis ATCC 15702. Lane 1, BamHI digestion; lane 2, EcoRI digestion; lane 3, KpnI digestion; lane 4, PstI digestion; lane 5, SphI digestion; lane 6, XbaI digestion.
