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SOAPdenovo
Home > Analysis Platform > SOAPdenovo
Introduction:

SOAPdenovo is a de novo assembler designed for short-read sequencing data. In this module, it assembles clean paired-end reads into scaffolds and generates scaftigs for downstream metagenomic analysis.

SOAPdenovo

SOAPdenovo is a novel short-read assembly method that can build a de novo draft assembly for the human-sized genomes. The program is specially designed to assemble Illumina GA short reads. It creates new opportunities for building reference sequences and carrying out accurate analyses of unexplored genomes in a cost effective way.

Workflow

  1. Input clean paired-end reads
    Upload filtered paired-end FASTQ files, including clean R1 and clean R2 reads.

  2. Build assembly configuration
    Generate a SOAPdenovo library configuration file using read length, insert size, and paired-end file paths.

  3. Run de novo assembly
    Assemble reads with SOAPdenovo using the selected k-mer and assembly parameters.

  4. Filter scaffolds
    Remove scaffolds shorter than 500 bp to keep reliable assembly sequences.

  5. Generate scaftigs
    Break scaffolds at continuous N regions to produce N-free scaftig sequences.

  6. Summarize assembly results
    Report scaffold number, total scaffold length, scaffold N50, scaftig number, and total scaftig length.

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