CoCoNet

CoCoNet applies deep learning to bin viral metagenomes by modeling contig co-occurrence patterns to group contigs into viral genomes for reconstruction and characterization of viral communities.


Key Features:

  • Deep Learning Framework: CoCoNet employs deep learning to model co-occurrence patterns of contigs and partitions contigs based on sequence composition and abundance.
  • Performance Superiority: CoCoNet has been demonstrated to outperform existing binning methods on viral datasets, improving accuracy of viral genome reconstruction from fragmented metagenomic data.
  • Computational Efficiency: Processing 100,000 contigs completes in approximately four hours on ten Intel CPU cores (2.4 GHz) with peak memory usage of 27 GB.
  • Scalability: The method can be scaled to larger datasets but may require high-RAM servers for processing substantially bigger data volumes.

Scientific Applications:

  • Viral Metagenomics: Suited for viral metagenomic studies that require accurate binning of contigs into their respective viral genomes to characterize viral community composition.
  • Microbiome Research: Improves genome assembly and binning accuracy to support investigations linking microbiomes to biological processes.

Methodology:

Assembles overlapping DNA sequencing reads into contigs and uses deep learning to model contig co-occurrence patterns, grouping contigs that belong to the same viral genome.

Topics

Details

License:
Apache-2.0
Tool Type:
command-line tool
Programming Languages:
Python
Added:
6/14/2021
Last Updated:
8/23/2021

Operations

Publications

Arisdakessian CG, Nigro OD, Steward GF, Poisson G, Belcaid M. CoCoNet: an efficient deep learning tool for viral metagenome binning. Bioinformatics. 2021;37(18):2803-2810. doi:10.1093/bioinformatics/btab213. PMID:33822891.

PMID: 33822891
Funding: - National Science Foundation Division of Ocean Sciences: 1636402 - Office of Integrative Activities: 1557349-Ike Wai - Securing Hawaii’s Water Future: 1736030–G2P

Documentation

Links