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Contig

Definition
AI-generated

A contig is a continuous assembled stretch of sequence without gaps, built from overlapping reads or clones.

Topics
Sequencing and omics tech
Related
Base Pair (bp) Chromosome Genome Annotation

Why it matters in GWAS

Variant positions, liftover chains, and imputation panels depend on a stable reference assembly; contig names and ordering differ across builds (e.g. GRCh37 vs GRCh38) and must be handled consistently in pipelines.

Example usage

"The assembly contig containing the variant was checked for gaps before structural interpretation."

Base Pair (bp) Chromosome Genome Annotation Genome Coordinate System Liftover Whole-Genome Sequencing (WGS)
Related-term network

Click any node to open that term page.

Node order. The current term is first. Next come every page linked from Related terms, in the same top-to-bottom order as that list. Then new terms appear in two-hop layers: for each of those direct neighbors (in that same order), their related terms are appended if not already listed. A third pass does the same for two-hop nodes. The walk stops when a fixed maximum number of nodes is reached.

References

  • Schneider VA, et al. (2017). Evaluation of GRCh38 and de novo haploid genome assemblies demonstrates the enduring quality of the reference assembly. Genome Res.
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