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- Genes
The Kingella kingae MLST scheme uses internal fragments of the following six housekeeping genes:
- abcZ (ABC transporter)
- adk (adenosine kinase)
- aroE (Shikimate dehydrogenase)
- cpn60 (heat shock protein)
- gdh (glutamate dehydrogenase)
- recA (DNA repair)
- Primers for PCR amplification
abcZ : abcZ-F : TGACGACCAAGCGAGCGTGTTTGA
abcZ : abcZ-R : TCCGCCTCAACCGCCAATTCCT
adk : adk-F : CACAAGCGCAATTTATTACGCGCGA
adk : adk-R : GTCGTCATCGCGTTGCACCAAGT
aroE : aroE-F : TTTGCCGCACAAGAAGGTGCGCAA
aroE : aroE-R : GGCTGGTTCGCATAAAACATATCG
cpn60 : cpn60-F : TGTTGGCGCAAGCGATTGTTGCT
cpn60 : cpn60-F-3 : AAACCAATGATGTGGCTGGCGACG (For few strains, we use this forward primer in case of failure with the above primer)
cpn60 : cpn60-R : AATGGGCTGTCCAAACCAGCGAT
gdh : gdh-F : CGGCGCGTTGCGCGATATGGTGCA
gdh : gdh-R : CCAGTTGTCCAAAATCGGCATCAC
recA : recA-F : GACGAAGAATTGCAAGTCATTTCCA
recA : recA-R : AGTTTACGCAAGGCTTGGCTCATC
- Sequencing primers
The same primers as for PCR are used.
- PCR conditions
Conditions for housekeeping genes amplification were 15 minutes at 95°C followed by 35 cycles of 95°C for 15 s, 56°C for 30 s and 72°C for 1 min 30 s with a final extension step at 72°C for 10 minutes.
- Allele templates (K. kingae ATCC23330 alleles)
abcZ (453 bp)
TTGGGCGATTTGCGCGATGTGTTGCGCCGTTATCATCAGGTTAGCCACGCGCTAGAAACGCAGCATTCTGATGATTTAATTCGCCA
ACTCAATGAGTTACAAAATGAAATTGAATCGCAAGACGGCTGGCAGTTTGACGCGGCAATCCGCCAAACGATTAGCGAATTGGGGC
TGCCTGAAAATGAATTGATTGGCAACTTGTCGGGTGGTCAGAAAAAACGGGTTGCGTTGGCTCAAGCGTGGGTGCAAAAACCCGAT
ATTTTGTTGCTGGACGAACCGACTAACCATTTGGATATTAACGCGATTATTTGGCTGGAAAATTTGTTGCAAGCGTTTTCAGGCAG
CATGGTGGTGATTACGCACGACCGCCGTTTTTTGGACAACATCGCCAATCGGATTGTGGAATTGGATAGGGGCGTGTTGCGTTCGT
ACGAGGGCAGTTTCAGCAAATAC
adk (351 bp)
ATTTCTACTGGCGATATGCTTCGCGCGGCGATTAAAGCTGGCACACCATTGGGTTTGGAAGCCAAAAAAATCATGGACGAAGGCG
GCTTGGTGTGCGATGACATCATCATCGGCATGGTCAAAGAGCGCGTGGCACAGCCCGATTGCGCCAATGGTTTTTTGTTTGATGG
CTTTCCACGCACCTTGGCACAAGCCGAAGCGATGATTGAAGCAGGTGTGCATTTGGACGCTGTGGTCGAAATCGACGTACCCGAC
GAAACAATCGTAGAACGCATGAGCGGTCGCCGTGTGCATTTGGCATCGGGTCGCACTTATCACTTGAAGCACAATCCGCCCAAAG
TGGCTGGCAAA
aroE (519 bp)
CGCACCTTTGCCGAAAACACCGCACAAGATTTTGGCGATGGCGTTCGCGCTTTTTTTGCACAAAATGGACGTGGAGCAAATGTGA
CCCTGCCGTTTAAAGGTTTTGCCTACGATTTGGTGCAGGCACACACCGAACGCGCTCGGGCAGCGGGCGCAGTCAATACGCTGAT
TCCGCAAGCAGACGGCACTTTGCTGGGCGACAACACCGACGGCGAAGGCTTGGTGCGCGACTTATGCCAGCACTTGCAATTCAAT
CTACACAATAAAAACATTTTGCTTTTGGGCGCAGGTGGCGCGACTCGTGGCGTGGTTTTGCCGCTAGCAGCCTGCAATCCTGCCA
GCATCACCATTGCCAATCGCACACACGATAAAGCCATTGAATTGGCTCAGTTGTTTGATATTGCCGCTCTGCCCTTTCATCAATT
AAATCAATCTTATGACATTATTATCAACGCAACATCGGGTAGCATAGACGATAGCATTCCAGATGTATCGCCCGATATTTTTGCA
GGCTGCTCG
cpn60 (303 bp)
GTTACCGCAGGCATGAATCCTACCGATTTGAAACGCGGTATTGACAAAGCAGTGGCGGCTTTGGTTGGCGAATTGGCAAACATCG
CGAAACCTTGCGAAACATACGAGCAAATCGCTCAAGTGGGCGCGATTTCTGCGAACTCTGACGAGCAAGTTGGCAAAATCATTGC
AGACGCGATGCAAGAAGTCGGCAAAGAGGGCGTGATTACCGTTGAAGACGGCAAATCATTGGAAAACGAGTTAGAAGTGGTTAAA
GGTATGCAATTTGACCGTGGCTACTTGTCGCCTTATTTCGTGAATGAT
gdh (576 bp)
ATGCAAATGCTGTGTTTTGTGGCAATGGAACAACCCAAATCGTTGAGCGCAGACGATGTACGCGATGAAAAATTGAAAGTGGTGG
CTGCACTCAAACCGATGACTTCGGCAGATGTAGATAAAAACGTGATTCGCGCACAATATGTGGCAAACGGCGAGCAAAACGGCTA
TTTGCAAGAACACAATGTGCCAGCCGACAGCCGTACCGAAACCTATGTTGCCATTCGCGCCGAAATTGATACGCCACGTTGGGCA
GGCGTGCCGTTTTATTTGCGTACAGGCAAACGCTTGGCAACGCGCACAGCAGAAATTGTTTTGAATTTCAAAGACCAAGCCAATG
GTTTGTTTGGCACAAATCCTAATCGTTTGGTGATTTCGTTGCAGCCCGATGAAACCGTATCGCTCAAATTGTATGTGAAACAAGT
GGGCAGCGGCTTGGACGTGCAGCCAACCGAAATGGTGTTGGACATGGGCACAGTGTCAGACGAACGCCGCGCCGAAGCGTATGAA
TTGCTGTTGCGCGAAGTGATTGACGGACGTTTGAGCTTGTTCAATCGCCGCGACGAGCTGGAAAAA
recA (354 bp)
TTGGACATTGCCTTGGGTGTGGGCGGTTTACCACGTGGTCGTATTGTGGAAATTTACGGCGCAGAATCATCGGGCAAAACCACTT
TATGTTTGGAATCGATTGCACAATGCCAAAAAGCAGGCGGAACGTGTGCGTTTATTGACGCAGAACACGCATTTGACCCTATTTA
CGCGCGTAAATTGGGCGTAGAAGTCGAAAAATTGTTGGTATCGCAACCCGACACAGGCGAACAAGCTTTGGAAATTTGCGATATG
TTGGTGCGCTCGGGCGGTGTGGATATGGTCGTGATTGATTCGGTTGCCGCACTTGTTCCCAAAGCGGAAATTGAAGGCGACATGG
GCGACAGCCACGTT
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