Segtor

Segtor annotates genomic coordinates, intervals, single nucleotide variations (SNVs), insertions and deletions (indels), and translocations to determine their positions relative to known genes and potential impact on protein translation.

Key Features:

• Segment tree indexing: Employs segment trees to index and query genomic intervals by start and end coordinates, avoiding the need for traditional database management systems.
• Variant support: Annotates single nucleotide variations (SNVs), insertions and deletions (indels), and translocations relative to gene features.
• Cross-species genome support: Operates on species and genome assemblies available from the UCSC Genome Browser.
• Annotation statistics: Produces summary statistics that report counts of genomic coordinates falling within specific gene regions.
• Scalability for NGS datasets: Designed to process large genomic datasets typical of next-generation sequencing outputs.

Scientific Applications:

• Variant annotation: Assigns genomic variants to gene regions to support interpretation of their potential functional consequences.
• Large-scale genomics: Enables analysis of extensive next-generation sequencing datasets to map coordinates and intervals onto gene structures.
• Protein impact assessment: Supports investigations into the relationship between observed mutations and potential effects on protein translation.

Methodology:

Implements segment trees to manage genomic intervals using start and end coordinates, annotates SNVs, indels, and translocations, uses genome assemblies available from the UCSC Genome Browser, and generates counts of coordinates within gene regions while avoiding traditional database management systems.