MetaCNV

MetaCNV infers copy number variations (CNVs) in human genomes from low-coverage sequencing data by integrating results from multiple CNV callers to produce absolute, unbiased copy-number estimates.


Key Features:

  • Consensus Approach: Integrates results from multiple established copy-number callers to produce a combined inference of CNVs.
  • Low-Coverage Optimization: Optimized to maintain CNV detection accuracy on low-coverage sequencing datasets.
  • Meta-Model Framework: Employs a meta-model that combines strengths of individual calling models while mitigating their limitations.
  • Integration with Multiple Callers: Incorporates outputs from callers including ReadDepth, SVDetect, and CNVnator to refine CNV predictions.
  • Versatility Across Coverage Levels: Applies to low, normal, and high coverage datasets while retaining robust performance.

Scientific Applications:

  • CNV analysis from limited material: Enables precise copy-number inference when sequencing input or coverage is constrained.
  • Regional analysis of heterogeneous tissues: Facilitates CNV characterization in specific areas within heterogeneous samples, such as small regions of tissue.
  • Cancer genomics and disease-associated alterations: Supports identification of genomic copy-number alterations in cancerous regions and other disease contexts.

Methodology:

Consensus methodology integrates outputs from multiple copy-number callers (ReadDepth, SVDetect, CNVnator) into a meta-model to infer absolute, unbiased copy numbers across the genome, optimized for low-coverage sequencing data.

Topics

Details

Tool Type:
command-line tool
Added:
1/18/2021
Last Updated:
2/22/2021

Operations

Publications

Friedrich S, Barbulescu R, Helleday T, Sonnhammer EL. MetaCNV - a consensus approach to infer accurate copy numbers from low coverage data. Unknown Journal. 2020. doi:10.21203/rs.2.15757/v2.