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Arang Rhie edited this page Feb 8, 2020 · 5 revisions

Merqury

Merqury provides a set of tools for reference free assembly evaluation.
Often, genome assembly projects have illumina whole genome sequencing reads available for the assembled individual. The k-mer spectrum of this read set can be used for independently evaluating assembly quality without the need of a high quality reference.

1. Prepare meryl dbs (details)

  1. Get the right k size
  2. Build k-mer dbs with meryl
  3. Build hap-mers for trios

2. Overall assembly evaluation (details)

  1. Reference free QV estimate
  2. k-mer completeness (recovery rate)
  3. Spectra copy number analysis
  4. Track error bases in the assembly

3. Phasing assessment with hap-mers (details)

  1. Inherited hap-mer plots
  2. Hap-mer blob plots
  3. Hap-mer completeness (recovery rate)
  4. Spectra copy number analysis per hap-mers
  5. Phased block statistics and switch error rates
  6. Track each haplotype block in the assembly