Table 3.

Results of RT-qPCR analysis of the Relative Expression (RE) of the abaR and aidA genes (Quorum network genes) in the A. baumannii isolates from patients with bacteraemic pneumonia (Pn-B) or non-bacteraemic pneumonia (Pn-NB).

A. baumannii strains from Pn-NB patients			A. baumannii strains from Pn-B patients
Strain (MLSTa)	abaR (RE)	aidA (RE)	Strain (MLSTa)	abaR (RE)	aidA (RE)
Ab 8_GEIH-2010 (ST-2)	0.035	0.108	Ab 148_GEIH-2010 (ST-2)	0.094	0.022
	0.592*	1.545*		1.032*	1.204*
	0.940**	0.873**		1.407**	0.598**
Ab 73_GEIH-2010 (ST-2)	0.036	0.361	Ab 215_GEIH-2010 (ST-2)	0.085	0.001
	0.564*	1.695*		0.883*	0.001*
	0.763**	0.450**		1.376**	0.001**
Ab 125_GEIH-2010 (ST-257)	0.047	0.156	Ab 232_GEIH-2010 (ST-2)	0.139	0.001
	0.431*	1.582*		0.692*	0.001*
	1.366**	1.076**		0.845**	0.001**
Ab 157_GEIH-2010 (ST-2)	0.001	0.172	Ab 275_GEIH-2010 (ST-181)	0.110	0.001
	0.329*	2.308*		0.638*	0.001*
	1.272**	0.685**		1.430**	0.001**
Ab 240_GEIH-2010 (ST-2)	0.078	0.150	Ab 371_GEIH-2010 (ST-79)	0.059	0.001
	0.561*	0.858*		0.503*	0.001*
	0.553**	0.703**		1.233**	0.001**
Ab 268_GEIH-2010 (ST-181)	0.034	0.139	Ab 461_GEIH-2010 (ST-2)	0.099	0.001
	0.683*	1.530*		1.221*	0.001*
	0.845**	0.717**		2.713**	0.001**
Ab 276_GEIH-2010 (ST-181)	0.108	0.126
	0.553*	1.007*
	0.586**	0.722**

The results are expressed as the mean values of the two biological replicates.

^aMLST (Mutilocus Sequence Typing by Pasteur database, https://pubmlst.org/) (Villar et al., 2014). In bold, RE ≤ 0.001, not detected by RT-PCR.

^* Results of RT-qPCR analysis of the Relative Expression (RE) of the abaR/aidA genes (Quorum network genes) in the presence of 3-Oxo-C12-HSL in strains of A. baumannii from patients with bacteraemic pneumonia (Pn-B) or non-bacteraemic pneumonia (Pn-NB).

^** Results of RT-qPCR analysis of the Relative Expression (RE) of the abaR/aidA genes (Quorum network genes) in the presence of H₂O₂ in strains of A. baumannii from patients with bacteraemic pneumonia (Pn-B) or non-bacteraemic pneumonia (Pn-NB).