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Table 2 Primers used for genetic resistance profiling and virulence gene detection by PCR

From: Resistance and virulence distribution in enterococci isolated from broilers reared in two farming systems

Gene

Primers

Product size (bp)

tet(M)

5′-ACAGAAAGCTTATTATATAAC-3′

5′-TGGCGTGTCTATGATGTTCAC-3′

171

erm(B)

5′-GAAAAGGTACTCAACCAAATA-3′

5′-AGTAACGGTACTTAAATTGTTTAC-3

639

aac(6′)-Ie-aph(2″)-Ia

5′-CCAAGAGCAATAAGGGCATA-3′

5′-CACTATCATAACCACTACCG-3′

369

pbp5

5′ CATGCGCAATTAATCGG 3′

5′ CATAGCCTGTCGCAAAAC 3′

444

cylA

5′-TAGCGAGTTATATCGTTCACTGTA-3′

5′-CTCACCTCTTTGTATTTAAGCATG-3́

1282

gelE

5′-ACCCCGTATCATTGGTTT-3′

5′-ACGCATTGCTTTTCCATC-3´

419

esp

5´-TTGCTAATGCTAGTCCACGACC −3′

5′-GCGTCAACACTTGCATTGCCGAA-3´

993

agg

5´-AAGAAAAAGAAGTAGACCAAC-3′

5′-AAACGGCAAGACAAGTAAATA-3´

1553

  1. Abbreviations: tet(M) tetracycline resistance gene, erm(B) macrolide resistance gene, aac (6′)-Ie-aph (2″)-Ia aminoglycoside resistance gene, pbp5 penicillin resistance gene, cylA cytolisin A gene, gelE gelatinase E gene, esp enterococcal surface protein gene, agg aggregation substance gene, bp base pairs