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Table 1 PCR primer/probe sequences and additional PCR conditions to identify AMR genes in gut microbiota

From: Combining stool and stories: exploring antimicrobial resistance among a longitudinal cohort of international health students

Primer/probe

Sequencea 5′ → 3′

Primer/probe concentration in reaction volume (nM)

Cycling conditions

CTX-M_Fw

ATGTGCAGYACCAGTAARGTKATGGC

500

95 °C, 15 min

CTX-M_Rv

ATCACKCGGRTCGCCNGGRAT

500

40 × 95 °C, 15 s;

CTX-M-1_probe

JOE-CCCGACAGCTGGGAGACGAAACGT-BHQ1

100

58 °C, 20 s

CTX-M-2_probe

6FAM-CAGGTGCTTATCGCTCTCGCTCTGTT-BHQ1

100

72 °C, 30 s

CTX-M-9_probe

JOE-CTGGATCGCACTGAACCTACGCTGA-BHQ1

100

 

NDM_Fw

ATTAGCCGCTGCATTGAT

400

95 °C, 15 min

NDM_Rv

CATGTCGAGATAGGAAGTG

400

42 × 95 °C, 15 s;

NDM_probe

6FAM- CTG[+ C]CA[+ G]AC[+ A]TT[+ C]GGTGC-BHQ1

200

60 °C, 60 s

  1. nM nanomolar
  2. aNucleic acids between brackets and preceded by + are locked nucleic acids