Table 1.

Polyamine MIC changes in amvA, amvR and adeB mutants of A. baumannii AB5075.

	MIC (mg ml−1) [fold change]
Polyamines	WT	amvA::T26	amvR::T26	adeB::T26
Spermine	10	0.625 [16]	20 [0.5]	1.25 [8]
Spermidine	40	0.625 [64]	40	20 [2]
Putrescine	40	40	40	40
Cadaverine	40	40	40	40
	MIC (µg ml−1) [fold change]
Reported AmvA substrates	WT	amvA::T26
Acriflavine	64	16 [4]
Benzalkonium chloride	32	32
Chlorhexidine	15	7.5 [2]
Erythromycin	250	250
Ethidium bromide	32	32
Methyl viologen	100	25 [4]