TABLE 1.

Oligonucleotide primers

Primer	Sequence (5′→3′)	Application
23SP1	ACGGCGGCCGTAACTATA	PCR of a 307-bp fragment of 23S rRNA gene; sequencing of the PCR fragment from both directions
23SP2	ACAGGCCAGTTAGCTA
gyrAP1	ATGCATGAATTAGGCCTTACT	PCR of a 360-bp fragment of gyrA gene; sequencing of the PCR fragment from both directions
gyrAP2	TTCTTCACTCGCCTTAGTCAT
rpoBP1	TTTGATTCGCTCATGCCCCAT	PCR of a 330-bp fragment of rpoB gene; sequencing of the PCR fragment from both directions
rpoBP2	CACAACCTTTTTATAAGGGGC
rdxAP1	TTTGAGCATGGGGCAGATT	PCR of an 850-bp fragment covering the entire rdxA gene with primer rdxAP1 and rdxAP12; sequencing of the PCR fragment using all 5 primers
rdxAP2	GAAGAAATCGCTGAAATCG
rdxAP3	GTTAATGGTGGTATGCTCT
rdxAP4	CAAATTTGCATGGGCGTGA
rdxAP12	AGAGCGATTAAAACCATTCT