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Restriction map of pLPCR2-3 and pLPCR2-3ΔB/X plasmids. (A) pLPCR2-3 plasmid, carrying the 2.8-kb amyA gene of L. amylovorus, ligated at the BglII site of the pLPCR2 plasmid (dashed line). (B) pLPCR2-3ΔB/X plasmid derived from pLPCR2-3 after deletion of the 2-kb BamHI-XhoI fragment.
