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Genotype Imputation Server

Definition
AI-generated

A genotype imputation server is a managed web or cloud service that runs phasing and imputation against curated reference panels so researchers can upload study genotypes (often as VCF) without building local pipelines or accessing individual-level haplotypes in the reference.

Topics
Cohorts and databases
Related
FAIR Principles Genotype Imputation Imputation Reference Panel

Why it matters in GWAS

Servers democratize access to large panels, standardize builds and software versions, and raise practical issues—data transfer, consent, privacy risk from imputed or phased outputs, and compliance—that must be weighed alongside analytical convenience.

Example usage

"At this locus, Genotype Imputation Server annotations were used to prioritize plausible biological mechanisms."

FAIR Principles Genotype Imputation Imputation Reference Panel Meta-Imputation Haplotype Phasing
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

  • Das S, et al. (2016). Next-generation genotype imputation service and methods. Nat Genet.
  • Sun Q, Li Y. (2026). Advances in haplotype phasing and genotype imputation. Nat Rev Genet. https://doi.org/10.1038/s41576-025-00895-2
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