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Whole-genome sequencing of degraded DNA for investigative genetic genealogy

2022; Elsevier BV; Volume: 8; Linguagem: Inglês

10.1016/j.fsigss.2022.09.008

1875-1768

Janet Cady, Ellen M. Greytak,

Genomics and Phylogenetic Studies

Abstract Whole genome sequencing has opened the doors to Investigative genetic genealogy (IGG) analysis of challenging forensic samples that are not suitable for microarray genotyping. These samples still do not typically achieve high enough coverage for direct genotype calling, therefore a pipeline for imputation from low coverage sequencing data was evaluated using data from the 1000 Genomes Project. This pipeline generated results suitable for IGG down to 0.25X coverage. Additionally, forensic samples from a variety of tissue types and input amounts were sequenced and successfully uploaded to genetic genealogy databases after imputation.