Characterization of N-acylhomoserine lactone-degrading bacteria associated with the Zingiber officinale (ginger) rhizosphere: Co-existence of quorum quenching and quorum sensing in Acinetobacter and Burkholderia

Table 2 Strains used in the study

Strain	Description	Source/reference
E. coli
DH5α	recA endA1 hsdR17 supE4 gyrA96 relA1 Δ(lacZYA-argF)U169 (Φ80dlacZ Δ M15)	[37]
pSB1075	lasRlasl' (P. aeruginosa PAO1)::luxCDABE (Photorhabdus luminescens [ATCC 29999]) fusion in pUC18 Amp^R, AHL biosensor producing bioluminescence	[40]
pSB401	luxRluxl' (Photobacterium fischeri [ATCC 7744])::luxCDABE (Photorhabdus luminescens [ATCC 29999]) fusion; pACYC184-derived, Tet^R, AHL biosensor producing bioluminescence	[40]
C . *violaceum*
CV026	Double mini-Tn5 mutant derived from ATCC 31532, Kan^R, Hg^R, cviI::Tn5 xylE, plus spontaneous Str^R AHL biosensor, produces violacein pigment only in the presence of exogenous AHL	[15]
*Er. carotovora*
GS101	AHL producing Erwinia strain, pectinolytic positive	[44]
PNP22	AHL-synthase mutant	[44]
*P. aeruginosa*
PAO1	Prototroph	Lab collection
lecA::lux	lecA::luxCDABE genomic reporter fusion in PAO1	[35]
Ginger rhizosphere-associated bacteria
Acinetobacter GG2	Ginger rhizosphere-associated bacterium	This study
Burkholderia GG4	Ginger rhizosphere-associated bacterium	This study
Klebsiella Se14	Ginger rhizosphere-associated bacterium	This study

ISSN: 1471-2180