TABLE 1.

Presence of quorum-sensing genes in strains of the B. cepacia complex

Species and strain	Source (location) or genotype	cepI	cepR	bviI	bviR	cepI reporter bioassay	Reference or source
B. cepacia genomovar I
ATCC 25416	Onion (United States)	+a	+	−b	−	+	18
ATCC 17759	Soil (Trinidad)	+	+	−	−	+	18
CEP509	CF (Australia)	+	+	−	−	+	18
B. multivorans
C5393	CF (Canada)	−	+	−	−	+	18
249-2	Laboratory (United States)	−	+	−	−	+	18
LMG13010	CF (Belgium)	−	+	−	−	+	18
B. cepacia genomovar III
J2315	CF (United Kingdom)	+	+	−	−	+	18
K56-2	CF (Canada)	+	+	−	−	+	18
C5424	CF (Canada)	+	+	−	−	+	18
K56-I2	cepI::tmp	+	+	−	−	+	16
K56-R2	cepR::Tn5-OT182	+	+	−	−	+	16
B. stabilis
LMG14294	CF (Belgium)	+	+	−	−	+	18
LMG14291	CF (Belgium)	+	+	−	−	+	18
LMG07000	Blood (Sweden)	+	+	−	−	+	18
B. vietnamiensis
PC259	CF (United States)	+	+	+	+	+	18
LMG15232	CF (Sweden)	+	+	+	+	+	18
LMG10929	Rice (Vietnam)	+	+	+	+	+	18
G4c	Environment	+	+	+	+	+	B. Conway
DBO1c	Environment	+	+	+	+	+	33
B. cepacia genomovar VI
LMG18943	CF	−	+	−	−	+	3
LO6	CF	−	+	−	−	+	3
B. cepacia genomovar VII
ATCC 53266	Soil (United States)	−	−	−	−	+	T. Coenye
CEP996	CF (Australia)	−	−	−	−	+	T. Coenye
AMMD	Biocontrol strain	−	−	−	−	+	T. Coenye

^a+, presence of the gene or activity in the autoinducer bioassay. 

^b−, absence of the gene or the activity in the autoinducer bioassay. 

^cTyped as B. vietnamiensis by the Cystic Fibrosis Foundation B. cepacia research laboratory and repository (J. LiPuma, personal communication).