Table 1.

Phenylpropanoid-related bacterial sensor proteins.

Sensor protein	Species	Ligand	Reference
HcaR	Acinetobacter sp.	Hydroxycinnamoyl-CoA	Parke and Ornston, 2003
FerC	Sphingobium sp.	Feruloyl-CoA	Kasai et al., 2012
CouR	Rhodococcus jostii	p-coumaroyl-CoA	Otani et al., 2016
PadR	Bacillus subtilis	p-coumaric acid	Siedler et al., 2017
FapR	Bacillus subtilis	Malonyl-CoA	Xu et al., 2014
FdeR	Herbaspirillum seropedicae	Naringenin	Wassem et al., 2017
TtgR	Pseudomonas putida	Naringenin	Meyer et al., 2019
KaeR	Lactobacillus brevis	Kaempferol	Pande et al., 2011
QdoR	Bacillus subtilis	Quercetin and kaempferol	Siedler et al., 2014
YetL	Bacillus subtilis	Kaempferol and apigenin	Hirooka et al., 2009
EmrR	Escherichia coli	Vanillin and syringaldehyde	Ho et al., 2018
VanR	Corynebacterium glutamicum	Vanillate	Heravi et al., 2015
DesR	Sphingobium sp.	Vanillate and syringate	Araki et al., 2019
YqhC	Escherichia coli	Vanillin	Frazão et al., 2018
PcaV	Streptomyces coelicolor	Vanillin and protocatechuate	Machado et al., 2019