DNA libraries can be prepared in as little as 1 day and require only 4–5 Gb of sequencing per exome. By focusing on genes likely to be involved with disease, you can reduce expense and focus sequencing resources on your targeted region. Exome sequencing is a specific variant of the targeted approach discussed above that has also been rapidly incorporated into clinical genetic screening. After genomic material is extracted from the sample, libraries must be prepared. Instead of focusing on candidate genes, all coding regions across the genome are targeted for unbiased screening of coding variants. Targeted sequencing can allow for the detection of variants contributing to therapeutic drug response or adverse effects, and … Targeted exome sequencing for high throughput labs. Small cell lung cancer (SCLC) is generally regarded as a smoker’s cancer. More information: "Whole-exome sequencing reveals germline-mutated small cell lung cancer subtype with favorable response to DNA repair–targeted … However, the genetic factors that affect susceptibility to SCLC have not been fully evaluated. Targeted gene panels can be run at a higher throughput and are often more cost-effective than whole exome sequencing. Targeted exome sequencing also proved to be an efficient and cost-effective strategy to identify pathogenic mutations and deletions in known CAKUT genes. Library prep includes the addition of adapters to identify the samples or molecules in the sample and to help the DNA or RNA adhere to the sequencing apparatus. For more information on Ion AmpliSeq targeted NGS panels, visit here. Keywords: genetic renal disease; genetics and development; kidney development. Tlemsani and colleagues performed whole-exome sequencing on the germ lines of a cohort of participants with SCLC, finding that almost half the cohort carried deleterious variants in cancer-predisposing genes. Whole genome sequencing (WGS) and its corresponding whole genome amplification (WGA) method are more suitable for research and discovery types of applications, while targeted sequencing or targeted gene sequencing is essential to many fast-growing clinical and industrial applications where cost and speed are more important. Unlike exome sequencing, which generates a large number of variants—a sizable proportion of which can be of unknown significance—targeted sequencing helps reduce the risk of stumbling upon these variants. Whole exome sequencing workflow. Exome sequencing detects variants in coding exons, with the capability to expand targeted content to include untranslated regions (UTRs) and microRNA for a more comprehensive view of gene regulation. 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