Table 1. Genotype and characteristics of S. Typhimurium ATCC 14028 mutant strains used in this study.

Genotype	Characteristics	Source or reference
ΔfliC fljB	Lacks phase 1 and 2 flagellin	Miao et al. [38]
ΔbcsA	Lacks cellulose	White et al. [29]
ΔcsgA	Lacks fimbriae	White et al. [29]
ΔcsgA bcsA	Lacks cellulose and fimbriae	As described in methods
ΔcsgD	Missing the major biofilm transcriptional regulator coding sequence, lacks cellulose and fimbriae	MacKenzie et al. [39]