Table 1 SNPs targeted in the ASO-PCR designed to survey the Callao-1 strain.

From: Screening of inmates transferred to Spain reveals a Peruvian prison as a reservoir of persistent Mycobacterium tuberculosis MDR strains and mixed infections

Targeted SNP

Primer sequences

PCR product size (bp)

DNA target

A 2365238 G

IG2135-F:5′-CCTTGGCATCTTTGCGATCC-3′

350

All strains except prison present branch variants

IG2135-Rwt: 5′-GGCAGGCGCAAACGTT-3′

G 618771 T

Rv0528-F: 5′-GCTGTTCGTGTCCCTCGT-3′

271

Non–Callao-1

Rv0528-Rwt:5′-GAAGTGGAACACCAGGTTGC-3′

G 3411528 A

Rv3050c-F: 5′-GTCAGATGCGCCACGAAC-3′

218

Callao-1 (all variants)

Rv3050c-Rmut: 5′-GCGACGGTACGCACCT-3′

A 4238842 G

Rv3792-Fmut: 5′-AATCAAGGCGGCGGTAGG-3′

155

Callao-1 (all variants)

Rv3792-R: 5′-CGTCTGCGGGTAGGTAGTG-3′