Exome Sequencing
Exome sequencing is a genomic technique that selectively sequences the protein-coding regions of the genome, known as the exome, which constitutes about 1-2% of the human genome but accounts for approximately 85% of disease-causing mutations. It involves capturing and sequencing exonic DNA using targeted enrichment methods, such as hybridization-based capture or amplicon-based approaches, followed by high-throughput sequencing technologies like Illumina platforms. This method is widely used in medical genetics and research to identify genetic variants associated with diseases, particularly rare Mendelian disorders and complex traits.
Developers should learn exome sequencing when working in bioinformatics, genomics, or healthcare technology, as it is essential for analyzing genetic data in clinical diagnostics, personalized medicine, and research studies. It is particularly valuable for identifying pathogenic mutations in rare diseases, cancer genomics, and population genetics, enabling efficient and cost-effective analysis compared to whole-genome sequencing. Use cases include variant calling, annotation, and interpretation in tools like GATK, ANNOVAR, or custom pipelines for diagnostic labs and research institutions.