Results of thermotolerant Campylobacter spp. identification by the restriction enzyme analysis procedure: digestion with Tsp509I enzyme (gel obtained by capillary electrophoresis). NC=negative control, lanes 1 to 6=C. jejuni or C. coli isolates, J=C. jejuni ATCC 33560, C=C. coli CCUG 11283, U=C. upsaliensis CCUG 14913, L=C. lari CCUG 23947, and M=100 bp molecular size marker