Analysis of two independent cohorts of patients with Bardet–Biedl syndrome (BBS) with known recessive biallelic pathogenic mutations in one of 17 BBS genes shows an enrichment of rare nonsynonymous secondary variants in the same gene set, with significant over-representation of secondary alleles in chaperonin-encoding genes.
- Maria Kousi
- Onuralp Söylemez
- Nicholas Katsanis