Clair

Clair calls small genetic variants from single-molecule sequencing pileup data using deep neural networks to enable accurate germline small-variant detection.


Key Features:

  • High Accuracy and Efficiency: Achieves higher precision and recall than Clairvoyante, Longshot, and Medaka for small-variant calling from single-molecule sequencing data.
  • Speed Optimization: Optimized for fast processing on conventional CPUs without requiring specialized hardware.
  • Approaching Accuracy Limits: Benchmarking and analysis of missed variants indicate performance approaching theoretical accuracy limits of current deep neural network methods applied to pileup data.

Scientific Applications:

  • Germline Variant Calling: Provides highly accurate small-variant detection for studies of inherited genetic variation.
  • Structural Variant Analysis and Genome Assembly: Although focused on small variants, its precision can contribute to structural variant calling efforts and complex genome assembly projects.
  • Epigenetic Research: Processing of single-molecule sequencing data supports detection of epigenetic marks relevant to gene regulation studies.

Methodology:

Employs a deep neural network architecture tailored for analyzing pileup data from single-molecule sequencing, trained on extensive datasets and optimized to distinguish true genetic variants from sequencing noise.

Topics

Details

License:
BSD-3-Clause
Tool Type:
library
Programming Languages:
Python
Added:
1/14/2020
Last Updated:
12/16/2020

Operations

Publications

Luo R, Wong C, Wong Y, Tang C, Liu C, Leung C, Lam T. Clair: Exploring the limit of using a deep neural network on pileup data for germline variant calling. Unknown Journal. 2019. doi:10.1101/865782.

Luo R, Wong C, Wong Y, Tang C, Liu C, Leung C, Lam T. Exploring the limit of using a deep neural network on pileup data for germline variant calling. Nature Machine Intelligence. 2020;2(4):220-227. doi:10.1038/s42256-020-0167-4.

Funding: - HKU | University Research Committee, University of Hong Kong: 104004820 - Research Grants Council, University Grants Committee: 27204518 - Innovation and Technology Fund: ITF/331/17FP