Table 1.

List of primers used for qPCR analyses

Target gene	Primer	Sequence (5′-3′)	Product size (bp)	Ta (°C)	Reference
tfdA	tfdA**F	GAG CAC TAC GCR CTG AAY TCC CG	260	64	[20]
	tfdA**R	CTT CGG CCA CCG GAA GGC CT
ohr/osmC	B5559 F	GTC GAG CAC ATT GAC GAA GA	257	60	This study
	B5559 R	AGA CCG ATG TGG AGT CGT TC

The asterisk in the tfdA primer name is merely nomenclature, and does not reflect any reference to statistical or other measures