Table 1 Primers used in the study

16S rRNA

5'-GCGCAATCAGCGTCAGGTAATG-3' 5'-GCTAAGAGATCAGCCTATGTCC-3'

14

cagA-3'region

5'-ACC CTA GTC GGT AAT GGG TTA-3' 5'-GTA ATT GTC TAG TTT CGC-3'

15

babA2

5'-AAT CCA AAA AGG AGA AAA AGT ATG AAA-3' 5'-TGT TAG TGA TTT CGG TGT AGG ACA-3'

17

iceA1

5'-GTG TTT TTA ACC AAA GTA TC-3' 5'-CTA TAG CCA STY TCT TTG CA-3'

18

iceA2

5'-GTT GGG TAT ATC ACA ATT TAT-3' 5'-TTR CCC TAT TTT CTA GTA GGT-3'

18

vacAs1a

5'-GTC AGC ATC ACA CCG CAA C-3' 5'-CTG CTT GAA TGC GCC AAA C-3'

16

vacAs1b

5'-AGC GCC ATA CCG CAA GAG-3' 5'-CTG CTT GAA TGC GCC AAA C-3'

16

vacAs2

5'-GCT AAC ACG CCA AAT GAT CC-3' 5'-CTG CTT GAA TGC GCC AAA C-3'

16

vacAm1

5'-GGT CAA AAT GCG GTC ATG G-3' 5'-CCA TTG GTA CCT GTA GAA AC-3'

16

vacAm2

5'-GGA GCC CCA GCA AAC ATT G-3' 5'-CAT AAC TAG CGC CTT GCA C-3'

16

jhp0917

5'-TGG TTT CTA CTG ACA GAG CGC-3' 5'-AAC ACG CTG ACA GGA CAA TCT CCC-3'

12

jhp0918

5'-CCT ATA TCG CTA ACG CGC TCG C-3' 5'-AAG CTG AAG CGT TTG TAA CG-3'

12