Polymerase chain reaction
PCR was set up in 5Opl volume as described in a thermal cycler . The temperature profile for the amplification of the two rRNA gene fragments was 95°C for 30 s, 40°C for 1 min and 72°C for 1 min for ten cycles followed by twenty-five cycles of 95°C for 30 s, 50°C for 1 min and 72°C for 1 min. For the amplification of the NADH dehydrogenase and the COI gene fragments, the temperature profile was 95°C for 30 s, 45°C for 1 min and 72°C for 1 min for thirty-five cycles. For both temperature profiles, an initial denaturation step of 95°C for 3 min and a final extension step of 72°C for 7
min were added. After amplification, the products were electro phoresed on 1 Yo agarose gels containing 50,d per litre of 10 mglml ethidium bromide. No contamination was detected in negative
controls.
Polymerase chain reaction PCR was set up in 5Opl volume as described in a thermal cycler . The temperature profile for the amplification of the two rRNA gene fragments was 95°C for 30 s, 40°C for 1 min and 72°C for 1 min for ten cycles followed by twenty-five cycles of 95°C for 30 s, 50°C for 1 min and 72°C for 1 min. For the amplification of the NADH dehydrogenase and the COI gene fragments, the temperature profile was 95°C for 30 s, 45°C for 1 min and 72°C for 1 min for thirty-five cycles. For both temperature profiles, an initial denaturation step of 95°C for 3 min and a final extension step of 72°C for 7 min were added. After amplification, the products were electro phoresed on 1 Yo agarose gels containing 50,d per litre of 10 mglml ethidium bromide. No contamination was detected in negative controls.
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