APOB and cystic fibrosis: In order to evaluate the ApoB-derived peptide ability to counteract microbial infections in CF, their effects were tested on six clinically isolated bacterial strains, i.e., P. aeruginosa RP 73, P. aeruginosa KK 27, P. aeruginosa 14, P. aeruginosa AA2, Burkholderia multivorans LMG 17582, and Burkholderia cenocepacia LMG 18863.