Table 2.

Primers used in this study

Gene	Primers sequences	Product size [bp]
16S rRNA	5′-GGG AGT AAA GTT AAT ACC TTT GC-3′ 5′-CTC AAG CTT GCC AGT ATC AG-3′	204
katE	5′-AAC GAG TGA GGC TTT ACC TGC-3′ 5′-AAC CTG AAA CTC TGC ACA ACG-3′	173
katG	5′-CTG CGT TTT GAT CCT GAG TTC–3′ 5′-GGC CCG ATG TAG CGA GAT T-3′	137
feoB	5′-CGT GTA GGT AAC TGG GCT GGC-3′ 5′-AGG TCT GCG ATG AGA TGG TGG-3′	127
fepA	5′-AGC TGA CTG ACA GCA CCA TCG-3′ 5′-CGG GAT GAT CGA CAA ACG GTC G-3′	554
fhuA	5′-AGA CAC TAT CAC CGT TAC CGC TG-3′ 5′- GCC GCG AAT GAT CAG GTG GTC-3′	265
fecA	5′-AGG TTA ATA TCG CAC CGG GAT CG-3′ 5′-ATG GCA TCC ATG TTG CCG AGC-3′	565
iroN	5′-AAG TCA AAG CAG GGG TTG CCC G-3′ 5′-GAC GCC GAC ATT AAG ACG CAG-3′	667
fyuA	5′-GCA GTA GGC ACG ATG TTG TA-3′ 5′-TGA TTA ACC CCG CGA CGG GAA-3′	377
iutA	5′-GGC TGG ACA TCA TGG GAA CTG G-3′ 5′-CGT CGG GAA CGG GTA GAA TCG-3′	302