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Table 2 PCR primers targeting genes coding for antibiotic resistance

From: Longitudinal development of the dust microbiome in a newly opened Norwegian kindergarten

Gene

Primer sequence

PCR conditions

Approximate amplicon size (bp)

mecA

5′-GTAGAAATGACTGAACGTCCGATAA-3′

5′-CCAATTCCACATTGTTTCGGTCTAA-3′

[51]

4 min 94 °C;30 cycles (45 s at 94 °C; 45 s at 50 °C; 60 s at 72 °C); 2 min at 72 °C

310

ermA

5′-GTTCAAGAACAATCAATACAGAG-3′

5′-GGATCAGGAAAAGGACATTTTAC-3′

[52]

5 min 94 °C; 30 cycles (30 s at 94 °C; 30 s at 52 °C, 60 s at 72 °C); 10 min 72 °C

421

aac(6′)-aph(2″)

5′-TTGGGAAGATGAAGTTTTTAGA-3′

5′-CCTTTACTCCAATAATTTGGCT-3′

[53]

3 min 95 °C; 35 cycles (20 s at 95 °C; 20 s at 57 °C; 30 s at 72 °C); 2 min 72 °C

174

vanA

5′-CATGAATAGAATAAAAGTTGCAATA-3′

5′-CCCCTTTAACGCTAATACGATCAA-3′

[54]

10 min 95 °C; 30 cycles (30 s at 94 °C; 30 s at 58 °C; 30 s at 72 °C); 10 min 72 °C

1030