Autoinducer production and quorum-sensing dependent phenotypes of Pseudomonas aeruginosa vary according to isolation site during colonization of intubated patients

Favre-Bonté, Sabine; Chamot, Eric; Köhler, Thilo; Romand, Jacques-A; van Delden, Christian

doi:10.1186/1471-2180-7-33

Table 2 Characterization of P. aeruginosa isolates from intubated patients

From: Autoinducer production and quorum-sensing dependent phenotypes of Pseudomonas aeruginosa vary according to isolation site during colonization of intubated patients

Isolates	Patients	Genotype	Site of Isolation	Production^c of		Elastase^a(OD₄₉₅/OD₆₆₀)	Production^a of		Adhesion^a (%)	Biofilm^a (%)
				Proteases	Rhamnolipids		3-oxo-C₁₂-HSL (μM)	C₄-HSL (μM)
61G3^d	8	D	TA	+ + +	BD^b	0.5	0.51	15	88	31
61E8	8	D	TA	+ + +	BD	0.59	0.41	24	88	11
60A3^d	8	B	TA	+ + +	+	0.68	0.33	7.8	100	13
60B5	8	D	TA	+ + +	BD	0.65	0.36	5	139	33
63E8	8	B	ID	+ + +	+	0.3	1.3	2.4	116	83
63E9	8	B	ID	+ + +	+ +	0.34	2.5	1.1	111	105
63E11^d	8	B	ID	+ + +	+ + +	0.29	0.19	2.9	105	89
63G3	8	B	ID	+ + +	+	0.24	0.63	15	115	59
63G6	8	D	ID	+ + +	BD	0.3	0.36	3	120	98
63G8	8	B	ID	+ + +	+ +	0.2	0.21	3.3	106	125
63H2	8	B	ID	+ + +	+ + +	0.12	2.7	2.9	137	74
62F2	8	D	ID	+ + +	BD	0.32	0.37	3.1	99	10
62F3^d	8	D	ID	+ + +	+	0.22	0.17	2.4	101	20
62G3	8	D	ID	+ + +	BD	0.3	0.29	3.3	110	25
54A7	12	C	TA	+ + +	+ +	0.5	0.36	30	104	59
54A8	12	B	TA	+ + +	+	0.63	0.41	19	115	49
54A9	12	C	TA	+ + +	+ + +	0.5	0.38	12	105	49
54B1	12	C	TA	+ + +	+	0.64	0.77	30	99	60
54D5^d	12	B	TA	+ + +	+	0.48	0.35	14	116	50
54D6^d	12	B	TA	+ + +	+ + +	0.43	0.31	18	80	53
54E1	12	B	TA	+ + +	+ +	0.72	1	7.9	121	58
55A1^d	12	B	ID	+ +	BD	0.19	2.6	2.1	116	78
55A2	12	B	ID	+ +	+	0.27	1.2	1.3	122	75
55A5	12	B	ID	+ +	+ +	0.26	2.5	2.8	137	102
55D2	12	B	ID	+ +	+	0.27	2	3.4	118	68
55E4	12	B	ID	+ +	+ +	0.31	2.5	2.7	115	88
55F3^d	12	B	ID	+ +	+ + +	0.22	2.5	2.2	101	59
55G2	12	B	ID	+ +	+ +	0.17	4	2	117	84
55G4	12	B	ID	+ +	+	0.19	1.3	1.6	112	103
55A6	12	B	ID	+ +	+ + +	0.25	2.1	3.4	126	109
56A1	13	B	TA	+ + +	+ +	0.64	0.44	6.4	85	46
59B3	13	C	TA	+ + +	+ +	0.45	0.3	7.9	88	39
59B4^d	13	B	TA	+ + +	+ +	0.47	0.16	9.5	83	48
59A1^d	13	B	TA	+ + +	+ + +	0.52	0.13	9.3	99	38
59B6	13	P	TA	+ + +	+ +	0.45	0.28	13.5	83	41
59C1	13	P	TA	+ + +	+ + +	0.52	0.27	11.3	106	77
59C2	13	P	TA	+ + +	+	0.47	0.33	13.3	101	59
63A1	13	B	ID	+ + +	+ +	0.23	1.4	1.8	114	91
63A3^d	13	B	ID	+ + +	+ + +	0.3	0.33	3.1	137	77
61A12^d	13	B	ID	+ + +	+ + +	0.15	2.6	2.2	129	90
61G12	13	B	ID	+ + +	+ +	0.11	2.7	2.4	121	87
62C2	13	B	ID	+ + +	+ +	0.15	2.6	3.1	121	97
62C3	13	B	ID	+ + +	+ + +	0.08	1.3	3.3	143	86

^a Values are mean of three independent experiments with a standard deviation of < 10%.
^b BD, below detection.
^c +++, high level; ++, intermediate level; +, low level.
^d lasR and rhlR genes sequenced

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ISSN: 1471-2180

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