DNAI1 and primary ciliary dyskinesia: Among patients with detected genetic variants in PCD causative genes, we found new potentially pathogenic variant (c.947_948insG located at exon 9 in DNAI1 gene), presented in Axonemal dynein intermediate-chain gene (DNAI1 (OMIM #604366)) was the first reported gene in which mutations were found to be associated with PCD, and so far 73 genetic variants were detected, according to ClinVar.