Variants appearing in multiple families that were present in the GO functional categories for “cytoskeleton” or “extracellular matrix” (or related terms) were prioritized for genotyping. Additional enrolled affected and unaffected family members were sequenced at the variant site by the Sanger method to establish whether the variant segregated with the AIS phenotype.
PCR was conducted in 20 µL reactions containing 10 µL
Premix D (Epicentre Biotechnologies, Madison, WI, USA), 0.2 µL
Taq Polymerase (Sigma, St. Louis, MO, USA), 60 ng genomic DNA, and 10 µM Forward and Reverse Primers. PCR reactions were run on a
SimpliAmp Thermocycler (Fisher Scientific, Waltham, MA, USA) with a touchdown PCR protocol [38 (
link)]. Primer sequences were obtained from Integrated DNA Technologies and are provided in
Supplementary Files S2. Sanger sequencing was performed by Quintara Biosciences and chromatograms were analyzed using the
CodonCode Aligner v9.0 (CodonCode Corporation, Centerville, MA, USA,
https://www.codoncode.com/index.htm (accessed on 16 June 2021)).
Pedigrees for each sequenced family are provided in
Supplementary Files S1 and were created using PedigreeXP software (PC Pal,
https://www.pedigreexp.com (accessed on 16 June 2021)).
Terhune E.A., Wethey C.I., Cuevas M.T., Monley A.M., Baschal E.E., Bland M.R., Baschal R., Trahan G.D., Taylor M.R., Jones K.L, & Hadley Miller N. (2021). Whole Exome Sequencing of 23 Multigeneration Idiopathic Scoliosis Families Reveals Enrichments in Cytoskeletal Variants, Suggests Highly Polygenic Disease. Genes, 12(6), 922.