Abstract
리스테리아를 보다 효과적으로 typing할 수 있는 방법을 찾기 위해 표준균주 13종을 대상으로 하여 RAPD, ERIC (Enterobacterial repetitive intergenic consensus) fingerprinting, ribotyping-PCR의 분리력을 비교해 보았다. DG107 (primer 6) 또는 DG122 (Lis 11) primer를 이용한 RAPD의 경우 11가지의 유형으로 분류되는 반면, ERIC fingerprinting은 9가지, ribotyping-PCR은 7가지씩의 유형을 보였다. 그러나 2가지 primer를 이용하여 각각 행한 RAPD 결과를 종합하거나, DG122를 이용한 RAPD와 ribotyping-PCR의 결과를 종합할 경우 13가지의 유형으로 모두 분리할 수 있었다. The results typed by random amplification of polymorphic DNA (RAPD) were compared with those obtained by Enterobacterial repititive intergenic consensus (ERIC) fingerprinting and ribotyping-PCR. The discriminatory power of RAPD typing was the best among the methods tested. RAPD typing with two different primers for 13 Listeria spp. reference strains produced 11 patterns each. In contrast, ERIC fingerprinting produced 9 patterns and ribotyping-PCR produced 7 patterns each. Composite of two separate RAPD (Lis 11 and primer 6) results or RAPD (Lis11)/ ribotyping-PCR differentiated all 13 Listeria spp. reference strains. Therefore, composite of 2 separate RAPD (Lis11 and primer 6) or composite of RAPD (Lis11)/ribotyping-PCR is expected the most promising approach for typing field isolated Listeria spp. strains.
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