Table 1.

Summary of genetic background, daily transfer population size, and number of cumulative generations for each population analyzed in this study

Population*	Initial genotype	Biofilm-related polymorphisms†	Transfer volume	Generations‡
113	∆mutL	acrB; fimE	1 mL	2,000
125	WT	hns; fimE	1 mL	2,000
126	∆mutL	acrB; fimE	1 mL	2,000
129	WT	acrB; fimE; hns	1 mL	2,000
210	∆mutL	acrB; fimE; hns	100 μL	4,150
221	WT	hns	100 μL	4,150
233	∆mutL	acrB; fimE; hns	100 μL	4,150
326	∆mutL	hns	10 μL	6,330
410	∆mutL	acrB; fimE	1 μL	8,500
417	∆mutL	acrB; fimE	1 μL	8,500

^*The first digit of each population encodes the transfer volume treatment.

^†After 1 y.

^‡After 2.5 y.