软件包：atropos（1.1.32+dfsg-1）

NGS read trimming tool that is specific, sensitive, and speedy

Atropos is tool for specific, sensitive, and speedy trimming of NGS reads. It is a fork of the venerable Cutadapt read trimmer, with the primary improvements being:

  1. Multi-threading support, including an extremely fast "parallel
     write" mode.
  2. Implementation of a new insert alignment-based trimming algorithm
     for paired-end reads that is substantially more sensitive and
     specific than the original Cutadapt adapter alignment-based
     algorithm. This algorithm can also correct mismatches between the
     overlapping portions of the reads.
  3. Options for trimming specific types of data (miRNA, bisulfite-seq).
  4. A new command ('detect') that will detect adapter sequences and
     other potential contaminants.
  5. A new command ('error') that will estimate the sequencing error
     rate, which helps to select the appropriate adapter- and quality-
     trimming parameter values.
  6. A new command ('qc') that generates read statistics similar to
     FastQC. The trim command can also compute read statistics both
     before and after trimming (using the '--stats' option).
  7. Improved summary reports, including support for serialization
     formats (JSON, YAML, pickle), support for user-defined templates
     (via the optional Jinja2 dependency), and integration with MultiQC.
  8. The ability to merge overlapping reads (this is experimental and
     the functionality is limited).
  9. The ability to write the summary report and log messages to
     separate files.
 10. The ability to read SAM/BAM files and read/write interleaved
     FASTQ files.
 11. Direct trimming of reads from an SRA accession.
 12. A progress bar, and other minor usability enhancements.

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