This work reports the genotypic relatedness of P. aeruginosa in CF patients with the CFTR I1234V mutation, and to determine whether the genotypes are identical among CF siblings and among different families with the same CFTR mutation.
Forty-five CF patients with homozygous CFTR I1234V mutation belonging to a large Arab kindred tribe and eight CF patients with other mutations associated with pancreatic insufficiency (PI).