Table 1. Expected RFLPs of esp PCR amplicons.

The digestion patterns are shown (bp).

espA allele	AluI	DdeI	espB allele	BstUI	espD allele	BstUI	tir allele	DdeI
alpha	237	173, 64	alpha	444, 147, 135	alpha	335, 335	alpha	201, 157, 90, 85
beta	175, 62	143, 64, 34	beta	523, 135, 56	beta	467, 203	beta	530
beta2	103, 72, 62	173, 64	gamma	523, 78, 56, 45	gamma	377, 275	gamma	236, 192, 99
gamma	175, 62	207, 30	espB-alpha2	444, 279	espD-N1	670	gamma2	376, 157
							tir-alpha2	291, 157, 85
			espB-alpha3	714			tir-N2	291, 147, 89