| cluster_otus | OTU clustering with chimera filtering (UPARSE-OTU algorithm) | |
| uchime2_ref | Find chimeras by database search | |
| uchime3_denovo | Filter chimeras in denoised amplicon sequences | |
| unoise3 | Correct errors (denoise) amplicon reads, includes chimera filter | |
| uparse_ref | Classify mock community sequences (recognizes chimeras and read errors) |