TABLE 6.

XylR/DmpR family members involved in degradation pathways of aromatic compounds

Regulatory protein	Bacterial genus	Regulated operon(s)	Pathway substrate(s)	RBS	Positiona	Inducer(s)	Accession no. or reference
XylR	Pseudomonas	xylUWCMABN, xylS	Toluene, m- and p-xylene	TTGATCAAATCGACAG-N14-TTGATGATTTGCTCAA	−172 to −127	Toluene, xylene, p-chlorobenzaldehyde, alkylbenzyl alcohols, m-amino- and o- and p- nitrotoluene	AAA26028
DmpR	Pseudomonas	dmpKLMNOPQBCD EFGHI	Phenol	ATAAGCATTTGCTCAA-N14-TTGATCAAATGCTTAA	−171 to −126	Phenol, o-, m-, and p-cresol, 3,4-dimethyl- phenol	A47074
MopR	Acinetobacter	mopKLMNOP	Phenol	TTGATGAAATCAGCAT-N9-TTCATTATTTGATGAA (?)	−151 to −111 (?)	Chlorophenol, phenol, o-, and m-cresol	CAA62584
AphR	Comamonas	aphKLMNOPQB, aphCEFGHJI	Phenol	GCTTGATCA-N2-TGATCATGC (?)	−181 to −162 (?)	NDb	BAA34177
TouR	Pseudomonas	touABCDEF, dmp- like operon	Toluene, o-xylene, phenol	TTAATCATCTGGTGAA-N13-TTAACCAATTAATAA (?)	−149 to −106 (?)	o-, m-, and p-cresol, 2,3-, 2,4- 2,5-, and 3,4-dimethylphenol	CAB52211
TbuT	Burkholderia	tbuA1UBVA2C	Toluene	TTACCAATTGATGAAATCAAC-N19-TGATCTGATCA AAAACTGA (?)	−207 to −145 (?)	Benzene, toluene, ethylbenzene, o-xylene, phenol, o- and m-cresol, trichloroethylene	AAC44567
TbmR	Burkholderia	tbmABCDEF	Toluene/benzene	ACGATTTGATGAAAGCAGC-N4-GGCGGCTGCATCA AATCATCAA (?)	−201 to −156 (?)	Benzene, toluene, ethylbenzene, o-xylene, phenol, o- and m-cresol, trichloroethylene	120
ArcR	Acinetobacter	areCBA	Benzylalcohol esters	ATTGTACATTGTTCAGATTCTGGACAATGTACAAT	−139 to −105	Benzaldehyde, benzylalcohol, acetate, propionate, butyrate, 2- and 4-hydroxy- benzylacetate	AF150928
HbpR	Pseudomonas	hbpCA, hbpD	2-Hydroxybiphenyl	TTAATAAATTTATGAA-N16-TTCATAATATGGTGA	−227 to −180	2-Hydroxy-, 2,2′-dihydroxy-, and 2-amino- biphenyl	AAA84988

^aRelative to the transcription start site.

^bND, not determined.