LFQC

LFQC compresses FASTQ files losslessly to reduce storage and transmission requirements for next-generation sequencing (NGS) datasets.


Key Features:

  • Lossless Compression: Preserves the complete fidelity of original FASTQ files with no data loss.
  • Non-reference-based: Performs compression without requiring any external reference genome.
  • FASTQ-structure-aware Compression: Exploits the structure and redundancy of FASTQ records to improve compression efficiency.
  • Benchmarking and Efficiency: Demonstrated superior compression ratios in comparisons with gzip, bzip2, fastqz, fqzcomp, Quip, and DSRC2, particularly on LS454 and SOLiD datasets.

Scientific Applications:

  • Genomic data management: Reduces storage and transmission bottlenecks for large NGS datasets.
  • Whole genome sequencing: Enables more efficient storage and handling of whole genome sequencing FASTQ outputs.
  • Metagenomics: Facilitates management of large metagenomic sequencing datasets.
  • Large-scale genomic analyses: Supports handling of extensive sequencing projects and population-scale data.

Methodology:

LFQC employs a lossless, non-reference-based compression algorithm that leverages FASTQ file structure and redundancy and was benchmarked against gzip, bzip2, fastqz, fqzcomp, Quip, and DSRC2, showing superior compression ratios on LS454 and SOLiD datasets.

Topics

Details

Tool Type:
command-line tool
Operating Systems:
Linux, Mac
Added:
8/3/2017
Last Updated:
12/10/2018

Operations

Publications

Nicolae M, et al. LFQC: a lossless compression algorithm for FASTQ files. Bioinformatics. 2015; 31:3276-81. doi: 10.1093/bioinformatics/btv384

PMID: 26093148

Documentation

Links