№ lp_2_3_45245
Methodological supplement describing laboratory procedures for whole exome sequencing, statistical comparison of maximal intraocular pressure change by ancestry, and detailed sample and variant quality control protocols in a genetic association study.
Section: Supplemental Materials
Abbreviations: IOP; MEE/RHC; QC; GSA; PCA; LD; MAF; PC; WES; BAM; VCF; EUR; AFR; AMR; EAS; SAS; GQ; SNPs; MAD; GTEx; Non-PAR; Indels; HWE; AB; GWAS; FAME; GC; QTL; eQTL; CLPP; FDR; OHTN; RINT
Methodology: Whole exome sequencing and statistical genetic analysis
Sequencing Platform: NovaSeq S4 flow cell (2x151bp)
Library Preparation Kit: KAPA Hyper Prep with Library Amplification Primer Mix (KK8504)
Capture Kit: IDT XGen hybridization and wash kit
Custom Bait: TWIST Biosciences exome bait
Liquid Handling Systems: Agilent Bravo; Hamilton Starlet
Quantification Method: qPCR; Invitrogen Quant-It broad range dsDNA assay
Genotyping Platform: Global Screening Array (GSA)
Software: PLINK 1.9; PLINK 2.0; R; Python; Hail v0.2
Reference Panel: 1000 Genomes Project Phase 3
Ancestry Groups: European (EUR); African (AFR); Admixed American (AMR); East Asian (EAS); South Asian (SAS)
Statistical Analysis: Analysis of variance (aov in R); Tukey honest significant difference test
Quality Control Criteria: Sample-level and variant-level QC including genotype missingness, heterozygosity, relatedness (PI_HAT), sex concordance, ancestry inference, BAM and VCF metrics
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