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PCR products obtained with primer pair Lc1/3-I and Lc1/3-II. Lanes: 1, L. rhamnosus CCUG 34682; 2, L. rhamnosus CCUG 21452; 3, L. rhamnosus CCUG 34425; 4, L. rhamnosus Lc 1/3; 5, L. rhamnosus Lc 705; 6, L. rhamnosus GG; 7, DNA molecular weight marker XIV 100-bp ladder (Boehringer Mannheim); 8, L. rhamnosus E97800; 9, L. rhamnosus L13; 10, L. rhamnosus L17; 11, L. rhamnosus L20; 12, L. rhamnosus L32; 13, negative control; 14, DNA molecular weight marker XIV 100-bp ladder.
