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Plasmid DNAs from Aeromonas punctata 37 and A. media 42 and their Escherichia coli TOP10 transformants (TF) carrying plasmids p37 or p42. Lanes: 1, A. punctata 37; 2, E. coli TOP10/p37 TF-1; 3, E. coli TOP10/p37 TF-2; 4, A. media 42; 5, E. coli TOP10/p42 TF-1; 6, E. coli TOP10/p42 TF-2; M, E. coli NCTC 50192 (used as reference for plasmid sizes).
