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nsilva
LICENSE.txt
README.md
add_qiime_taxonomy.py
test_openref.cpp

README.md

bsponge

A pipeline for open-reference clustering and annotation of amplicon sequencing data

Description

Prerequisites:

  1. Input sequence libraries in fasta format
  2. Reference database in fasta format, with taxonomy included in the sequence description or as a separate file
  3. (optional and undocumented) Aligned reference sequences in fasta format (to be able to join alignments with different references)

Steps of the pipeline:

  1. For each input sample, align reads to reference database, with a single best hit, to obtain the alignments in .sam format.

  2. Run open-reference clustering using the provided software (test_openref.cpp). The resulted clusters may include reads from all input samples.

  3. Convert the formats and/or add the taxonomy associated with the reference database sequences

Installation

The software was tested on Ubuntu Linux, with usearch software to run the alignments.