MarViN

MarViN refines genotype calls using linkage-disequilibrium modeling to improve genotype inference from low-coverage whole-genome sequencing data.


Key Features:

  • Efficient Modeling of Linkage-Disequilibrium: Uses a multivariate Gaussian distribution to model linkage-disequilibrium for genotype refinement from sequencing data.
  • Speed and Scalability: Operates hundreds of times faster than traditional methods such as hidden Markov models and scales linearly with the number of samples.
  • Applicability to Diverse Coverage Levels: Validated on both low- and high-coverage sequencing datasets for robust genotype refinement across coverage regimes.

Scientific Applications:

  • Large-scale cohort genotyping: Enables cost-effective and rapid genotype inference across large genomic cohorts.
  • Population genetics: Facilitates analysis of linkage patterns and allele frequency variation within populations.
  • Disease association studies: Improves genotype accuracy for downstream association testing in genetic epidemiology.
  • Evolutionary biology: Supports studies of genetic variation and LD structure relevant to evolutionary inference.

Methodology:

Models linkage-disequilibrium using a multivariate Gaussian distribution to refine genotypes from sequencing-derived data.

Topics

Details

Tool Type:
command-line tool
Operating Systems:
Linux
Programming Languages:
C++, Python
Added:
8/3/2017
Last Updated:
11/25/2024

Operations

Publications

Arthur R, O’Connell J, Schulz-Trieglaff O, Cox AJ. Rapid genotype refinement for whole-genome sequencing data using multi-variate normal distributions. Bioinformatics. 2016;32(15):2306-2312. doi:10.1093/bioinformatics/btw097. PMID:27153730.

Documentation

Links