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Table 1 8plex, 5plex and 9plex primers and respective cycling conditions. The gene name, primer sequence and amplicon size are reported. Lowercase letters in the gene sequences (8plex) represent the tails added in order to obtain the same annealing temperature

From: Comparative genomics of European avian pathogenic E. Coli (APEC)

8 PLEX

Gene name

Sequence 5′–3′

Amplicon size bp

R1F +

gcgaaaaGAGTAATGTCGGGGCATTCA

551

R1R +

aggccaTTCCTGGCAAGAGAGATAAG

R2F +

gcgaGATCGACGCCGGAATTTTTT

1141

R2R +

gcgagaAGCTCCATCATCAAGTGAGA

R3F +

agccaGGCCAAAACACTATCTCTCA

1785

R3R +

agcgccGTGCCTAGTTTATACTTGAA

R4F +

gcgcgcaTGCCATACTTTATTCATCA

699

R4R +

gcgcTGGAATGATGTGGCGTTTAT

K12F +

gcaagTTCGCCATTTCGTGCTACTT

916

k12R +

acgcgcTAATCATAATTGGAATGCTGC

chuAF +

aaatttgGACGAACCAACGGTCAGGAT

279

chuAR +

atttagTGTGAAGTGTCAGGAGACGCTG

yjaAF +

aaaaaaCCGCCAGTACCAGGGACA

211

yjaAR +

gcagaaaaATGGAGAATGCGTTCCTCAA

TSPEF+

gcgaaaaaGAGTAATGTCGGGGCATTCA

152

TSPER+

aaggCGCGCCAACAAAGTATTACG

  1. Cycling conditions: 95 °C for 5 min (Initial denaturation), followed by 2 cycles 95 °C (denaturation) for 30s, 50 °C for 30s (annealing), and 72 °C for 60s followed by 33 cycles 95 °C for 30s (denaturation), 58 °C for 30 s (annealing), and 72 °C for 60s (polymerization). On completion of 35 cycles the, a final polymerization was performed at 72 °C for 420 s