. 2015 Dec 31;60(1):544–553. doi: 10.1128/AAC.01650-15

TABLE 5.

Spermidine and aminoarabinose cell surface modifications are required for P. aeruginosa resistance to aminoglycosides under acidic and DNA-enriched conditions

Strain or relevant genotype	Growth condition	MIC (μg/ml)
Strain or relevant genotype	Growth condition	Gm	Tm	PxnB^a
PAO1	LB (pH 5.5)	32	16	8
PA3553::lux	LB (pH 5.5)	4	4	4
PA4774::lux	LB (pH 5.5)	8	4	4
PAO1	LB + DNA (0.2%)	32	16	8
PA3553::lux	LB + DNA (0.2%)	<2	<2	2
PA4774::lux	LB + DNA (0.2%)	2	2	2

PxnB, polymyxin B.