Project description:Burkholderia cenocepacia sequence type 32 (ST32) represents one of the most globally distributed strains from Bukrholderia cepacia complex (Bcc), which infected 30% of Czech cystic fibrosis (CF) patients. The aim of this study was to compare gene expression in two pairs of ST32 clinical isolates that were subjected to cultivation in two different conditions, characteristic for chronic B. cenocepacia infection in CF patients. ST32 strain is known to be a problematic epidemic strain, which caused a serious outbreak at the Prague CF centre.
Project description:Burkholderia multivorans comprises opportunistic bacteria infecting hosts such as cystic fibrosis (CF) patients. Bcc long-term infection of CF patient airways has been associated with emergence of phenotypic variation including the mucoid-to-nonmucoid colony morphotype. Here we studied three Burkholderia multivorans clonal isolates (mucoid D2095 (BM11L), and nonmucoid D2214G and D2214P) and a laboratory nonmucoid variant (BM11L-nmv1) obtained under prolonged stationary phase. The aim is to identify possible traits associated to the different morphotypes and find possible mechanisms for this morphotypic variation.