Protocols used for MLST of Yersinia pseudotuberculosis

Genes

The Y. pseudotuberculosis MLST scheme uses internal fragments of the following seven house-keeping genes:

  • adk (adenylate kinase)

  • argA (N-acetylglutamate synthase)

  • aroA (3-phosphoshikimate-1-carboxylvinyltransferase)

  • glnA (glutamine synthase)

  • thrA (aspartokinase I/homoserine dehydrogenase I)

  • tmk (thymidylate kinase)

  • trpE (anthranilate synthase component I)

PCR Amplification

The primer pairs we use for the PCR amplification of internal fragments of these genes are:

Product length:

adk_P1:

F 5’-ATGCGTATCATTCTGCTGGG-3’

641 bp

adk_P2:

R 5’-CCGAGAATAGTCGCCAGTTC-3’

argA_P1:

F 5’-GGATTTCGCCACTCAGTTCC-3’

615 bp

argA_P2:

R 5’-ATCAGTCACCCCTTGTGATG-3’

aroA_P3:

F 5’-AGCGGCCAATTGGCCATTTG-3’

802 bp

aroA_P4:

R 5’-CACATCGCCATACGGTGGTC-3’

glnA_P1:

F 5’-GCTGACTTCTTCGAAGAAGG-3’

701 bp

glnA_P2:

R 5’-GACATATGGCAGTGCATACC-3’

thrA_P3:

F 5’-CGTCTTTGCGGTGATGTCG-3’

823 bp

thrA_P2:

R 5’-GTTGGTGTCATACAAGAATTTACG-3’

tmk_P3:

F 5’-TATTGAAGGGCTTGAAGGGG-3’

606 bp

tmk_P4:

R 5’-TGATTGGTCAGCCACTGAGC-3’

trpE_P3:

F 5’-CACCAGTTACAACAAGCGCC-3’

743 bp

trpE_P4:

R 5’-GTATCCAAATCACCGTGAGC-3’

An annealing temperature of 55° C is fine for all genes.

Sequencing

adk_S1: F 5’-TGGAGAAATACGGCATTCCG-3’ adk_S2: R 5’-ACATTACGGGTTCCGTCCAG-3’

argA_S3: F 5’-CAAGACATTTGTTGTCATGC-3’ argA_S4: R 5’-ATGGCTAACTGAGTTGCAAC-3’

aroA_S3: F 5’-TGCACAGATCGATTATCTGG-3’ aroA_S2: R 5’-ATGGTCATTGCAGCATCAGG-3’

glnA_S1: F 5’-TTTGATGGCTCCTCGATTGGTG-3’ glnA_S2: R 5’-TTGGTCATGGTATTGAAGCG-3’

thrA_S1: F 5’-GATGTGATGGAACATCTGGC-3’ thrA_S2: R 5’-GTCACCACATGGAAGCCATC-3’

tmk_S5: F 5’-GGCCCAAGGGATTAACGATAT-3’ tmk_S2: R 5’-AATGGGTTGGGAGGCATCAAT-3’

trpE_S1: F 5’-CCAGAGATGGCGTTACAGTG-3’ trpE_S4: R 5’-TAGCCCACTGCACCGCCGTA-3’

Allele template

Allelic profile of Y. pseudotuberculosis strain SP93422.

adk (389 bp):

AAAGCAGGTTCTGAGTTAGGTCTGAAAGCAAAAGAAATTATGGATGCGGGCAAGTTGGTGACTGATGAGTTAGTTATCGCAT
TAGTCAAAGAACGTATCACACAGGAAGATTGCCGCGATGGTTTTCTGTTAGACGGGTTCCCGCGTACCATTCCTCAGGCAGAT
GCCATGAAAGAAGCCGGTATCAAAGTTGATTATGTGCTGGAGTTTGATGTTCCAGACGAGCTGATTGTTGAGCGCATTGTCGG
CCGTCGGGTACATGCTGCTTCAGGCCGTGTTTATCACGTTAAATTCAACCCACCTAAAGTTGAAGATAAAGATGATGTTACCG
GTGAAGAGCTGACTATTCGTAAAGATGATCAGGAAGCGACTGTCCGTAAGCGTCTTAT

argA (361 bp):

CTAGTATCGTCAACGATATAGGCTTATTACATAGCCTTGGGATCAGATTAGTCGTGGTATACGGTGCCCGACCACAGATTGAC
AGTAATCTGGCAGATCATAACTACGAACCTATTTATCATAAACATACCCGAGTGACTGACGCCCGGACTCTGGAGATGGTCA
AGCAAGCGGCCGGTTTATTACAACTGGATATCACGGCCAGGCTTTCAATGAGTTTGAACAACACCCCACTGCAAGGTGCTCAT
ATCAACGTAGTTAGCGGTAACTTTATCATTGCTCAACCGCTAGGTGTGGATGATGGTGTTGATTATTGCCATAGCGGGCGTATC
CGGCGCATTGATGAAGAAGCTATTCATCG

aroA (357 bp):

TTGATGGGCGTGTCTCTAGCCAGTTCCTGACTGCTTTATTGATGACCGCCCCGCTGGCGGAGCAAGATACGACTATTCGGATT
TGGGTGATCTGGTTTCCAAACCTTATATCGATATTACTCTGCACTTGATGAAAGCATTTGGTATTGACGTGGGGCATGAGAAC
TACCAAATTTTCCACATCAAAGGGGGTCAGACCTACCGCTCACCAGGGACTTATTTGGTTGAGGGCGATGCCTCGTCGGCTTC
CTACTTCTTAGCGGCTGCGGCTATTAAGGGGGGAACAGTGCGTGTCACTGGTATTGGCAAGAAAAGTGTACAGGGCGACACT
AAATTTGCCGATGTGTTGGAAAAAA

glnA (338 bp):

CACTGATTATCCGTTGTGACATTCTTGAGCCAGGCACCATGCAGGGCTATGACCGCGATCCACGTTCTATCTCCAAACGTG
TGAAGACTTCCTGAAATCTTCAGGTATCGCTGATACCGTGTTGTTCGGGCCAGAACCAGAATTCTTCCTGTTTGACGATATC
CGTTTTGGTAGCAGCATCAATGGGTCACACGTATCCATCGATGACGTCGAAGGCGCATGGAACTCCAGCACCAAATACGA
AGGCGGCAACAAAGGCCACCGTCCTGCAGTAAAAGGCGGTTACTTCCCTGTTCCTCCGGTCGACTCTGCACAAGACCTCC
GTTCTGCCATGTGT

thrA (342 bp):

TCAATATTATTGCTATCGCTCAAGGCTCGTCTGAGCGCTCTATTTCTGTGGTTGTCAATAATGATGCGGTCACTACCGGGGTGC
AGTTTGCCACCAGATGCTGTTTAACACGGATCAAGTCATTGAGGTGTTTGTCATTGGCGTGGGTGGTGTGGGGGGCGCATTAA
TCGAACAAATCTATCGCCAGCAACCGTGGTTGAAACAGCGTCATATCGATTTACGTGTTTGTGGTATCGCGAATTCCAAAGCC
ATGTTGACCAACGTGCATGGCATTGCATTAGATAACTGGCGTCAGGAACTGGCTGAAGTTCAGGAGCCGTTTAACCTGAGCC
GCTTGATCC

tmk (375 bp):

AAAACTGCGTGATTTGATTAAGCAAGGTATTGACGGTGAGGTCCTGACGGATAAAGCCGAGGTATTAATGCTGTATGCCG
CCAGGGTGCAATTAGTAGAAAATGTCATCAAGCCAGCACTGGCGCGTGGCAGTTGGGTTGTGGGTGACCGCCATGATTTG
TCATCACAGGCATATCAGGGCGGGGGGCGAGGGATTGACAGCCAACTGATGGCCTCGTTACGTGACACGGTGTTAGGCG
AATTCCGGCCAGACCTGACCTTATATTTGGATCTGCCACCGGCTGTGGGCTTGGCGCGCGCGCGCGCGCGCGGTGAATTGG
ACCGTATCGAACAAGAGTCACTGGCGTTTTTTGAGCGAACCCGCGCACGTTACCT

trpE (465 bp):

CCATCCCGCCGTTTTACGCTGCCCTGCCCATCACCGCTGGCGGCCTATCAGACACTGAAAGACCATAATCCCAGCCCCTAC
ATGTTTTTCATGCAAGACAATGATTTTTCTCTGTTTGGCGCATCACCTGAAAGCGCACTGAAATACGATGCCAGCAACCGT
CAAATTGAGATTTACCCGATTGCGGGTACTCGTCCACGCGGTCGTCGTCCTAATGGAGAACTCGATCGTGATTTAGACAG
CCGTATCGAGTTGGAAATGCGTACTGACCATAAAGAGATGGCAGAACATTTAATGTTGGTGGATCTGGCTCGTAACGATC
TGGCACGTATTTGCGAACCCGGTAGCCGCTATGTTGCAGATTTAACCAAAGTTGACCGTTACTCTTTTGTCATGCATCTGG
TGTCCCGCGTGATTGGCACTCTGCGTCAAGATTTAGATGTGCTGCATGCTTATCAAGCGTGT