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Table 2 Specificity thresholds used in TOPSI runs for S. aureus

From: A high-throughput pipeline for the design of real-time PCR signatures

Specificity parameter

Strict threshold

Relaxed threshold

M0 - longest stretch of contiguous matches with a non-target that has no mismatches

18

18

M1 - longest stretch of contiguous matches with a non-target that has at most one mismatch

20

40

M2 - longest stretch of contiguous matches with a non-target that has at most two mismatches

22

40

M3 - longest stretch of contiguous matches with a non-target that has at most three mismatches

24

40

Maximum overall identity with a non-target sequence

90%

90%