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Table 2 Primers used for PCR amplification, site directed mutagenesis and sequencing of the ftsI and acrR genes

From: A novel PBP3 substitution in Haemophilus influenzae confers reduced aminopenicillin susceptibility

Use of primers

Forward primer sequence

Reverse primer sequence

Ampification of full length ftsI gene

5′ – CCTGCGTGTTTGAAAGTTGAAAGAGATG – 3’

5′ – AACAAAGTAAGGGCGAGGATATTCCCAAAG – 3’

Introduction of Y528H substitutiona in ftsI in NTHi3655

5′ – GAAAATGGACATTATGTAAATAAGCATGTGGCATTTACTGCGGG – 3’

5′ – CCCGCAGTAAATGCCACATGCTTATTTACATAATGTCCATTTTC – 3’

Amplification and sequencing of the acrR gene

5′ – TTGTGGGTTTACGGCTTACC – 3’

5′ – CCGATGACACCGACAAAAAT – 3’

Sequencing of ftsI gene fw1 (using primer walking)

5′ – CCAATAAACTCTACAGTTAAATGCTCGC – 3’

 

Sequencing of ftsI gene fw2 (using primer walking)

5′ – AGCGGACGATAAACACCGAAACTACCA – 3’

 

Sequencing of ftsI gene fw3 (using primer walking)

5′ – ATACTTAAGGTAACATCTTGTGCATCATAT – 3’

 
  1. a Induces nucleotide substitution 1582 T > C to change the codon from a tyrosine residue (TAT) to a histidine residue (CAT)