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.
PMID: 27153730