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PCR product amplified using primers CAH 16S 1a and CAH 16S 1b. Lanes: M, molecular ladder; 1, C. jejuni; 2 to 4, Comamonas sp. isolates; 5, A. butzleri; 6, S. enterica serovar Typhi; 7, E. coli; 8, B. subtilis; 9, S. aureus. The numbers to the left are molecular sizes in kilobases.
