Long-read sequencing reveals extensive FMR1 somatic mosaicism in Fragile-X associated tremor/ataxia syndrome in human brain
Anna M. Dischler, Akshay Kumar Avvaru, Susana Lopez-Ignacio, Cristina Lau, Martin W. Breuss, Verónica Martínez‐Cerdeño, Harriet Dashnow, Caroline Dias
This study uses long-read sequencing to reveal extensive somatic mosaicism in FMR1 repeats and methylation in FXTAS brain tissue, identifying expansions and contractions beyond traditional methods' resolution.
bioRxiv · Oct 7, 2025 · PreprintGenetics