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Table 4 Primer sequences for resistance genes of K. pneumoniae

From: Virulence characteristics and antibiotic resistance analysis of Klebsiella pneumoniae isolated from pig farms in Xinjiang, China: revealing potential zoonotic risks

Types of antibacterial drugs

Gene name

Primer sequence (5 ‘-3’)

Fragment size (bp)

Annealing temperature (°C)

β - lactams

blaTEM

F: TCGCCGCATACACTATTCTCAGAATGA

R: ACGCTCACCGGCTCCAGATTTAT

445

55

blaCTX

F: ACTTCAGCCACACGGATTCA

R: AAGTGGAGCGACAGAGC

905

57

blaNDM

F: GGTTTGGCGATCTGGTTTTC

R: CGGAATGGCTCATCACGATC

621

55

blaOXA−48

F: GCGTGGTTAAGGATGAACAC

R: CATCAAGTTCAACCCAACCG

438

55

blaIMP

F: GGAATAGAGTGGCTTAAYTCTC

R: GGTTTAAYAAAACAACCACC

232

55

blaVIM

F: GATGGTGTTTGGTCGCATA

R: CGAATGCGCAGCACCAG

390

55

blaDHA

F: GCCTGTTTGGTGCTCTGA

R: GCACGGTTATACGGCTGA

460

55

blaKPC

F: CGTCTAGTTCTGCTGTCTTG

R: CTTGTCATCCTTGTTAGGCG

798

55

Aminoglycosides

aadA

F: GTGGATGGCGGCCTGAAGCC

R: AATGCCCAGTCGGCAGCG

525

62

Tetracyclines

tet(B)

F: AAACCATTACGGCATTCTGC

R: GACCGGATACACCATCCATC

659

55

Chloramphenicol class

cmlA

F: GGCCTCGCTCTTACGTCATC

R: GCGACACCAATACCCACTAGC

989

57

floR

F: TATCTCCCTGTCGTTCCAG

R: AGAACTCGCCGATCAATG

399

53

Sulfonamide class

sul2

F: CGGCATCGTCAACATAACCT

R: TGTGCGGATGAAGTCAGCTC

721

66

Quinolones

parC

F: CTGGGTAAATACCATCCGCAC

R: CGGTTCATCTTCATTACGAA

987

59

gyrA

F: ATGAGCGACCCTTGCGAGAGAAAT

R: AGCCCTTCAATGCTGATGTCTTC

685

60

gyrB

F: CCTCCCAGACCAAAGACAAACT

R: CAGCATTGCTTTCGGATAACG

821

53