Table 4. Primers for ChIP PCR detection.

Gene	Function of gene	Sequence of primer (5′-3′)	PCR product size
feoAB1 (EF120624.1)	Fe2+ transport system protein	pforward: CGGGGTACCACATAGAATTCATGCTGC promoter1: AAACTGCAGATCTTGACCTGCTGATCCA	553 bp
feoAB2 (MGR_1447-46)	Fe2+ transport system protein	p2f: CATGCCGGCGAAACCAAGCGC p2l: GGCGGCGCCTCCGATGGG	205 bp
katG (MGR_4274)	Catalase-peroxidase	katGpf: CGCACGATCGTCATTTCCTC katGpl: GTCGCTCTCCCATTCAACCAAT	282 bp
sodB (MGR_3446)	Superoxide dismutase	sodBpf: GCCCGCAAGATAATTTCGATACAG sodBpl: CGGGATATGCATAATGTTGAAGGG	529 bp
rpsJ (MGR_3815)	30S ribosomal protein S10	rspJpf: GCCGATCATCGAGTAGTCCT rspJpl: CGTTAAATCGGATCGGCGC	249 bp