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11-Apr-2017 UNBIAS paper: 16S read abundance does not correlate with species abundance!

Search_16S paper: new method for finding 16S genes in chromosomes and contigs.

28-Dec-2016 USEARCH v9.2 posted. What's new.

24-Nov-2016 UPARSE tutorial video posted on YouTube. Make OTUs from MiSeq reads.

19-Nov-2016 UNCROSS paper posted. 2% of Illumina reads are assigned to wrong sample!

Getting started
  What's new in v10
  Command line
  Tutorials and lecture slides
  Papers and citing USEARCH

  All commands
  Commands by category
      search, clustering, fasta/q files
      trees & distance matrices
      OTU commands
  Command-line options

  Technical support
  Known bugs

Marker gene metagenomics (16S, ITS...)
  OTU / denoising analysis
  Quality control for OTUs
  Example scripts with test data
  Diversity and taxonomy analysis
  OTU tables

Topics in sequence analysis
OTU analysis, clustering methods,
  taxonomy, diversity analysis,
  next-gen reads

Old manuals 
  Version 9.2
  Version 8.1
  Version 7
  Version 6