Topics by category

Rarefaction curves and subsampling
Sequence comparison and alignment
Chimeras
Sequence database search
Clustering
Read quality filtering
Paired read assembly (merging pairs into contigs)
Taxonomy
Errors and biases in amplicon sequencing
File formats
Output files
Operational Taxonomic Units (OTUs)
Parameters and options
Diversity
USEARCH software installation and use
Commentaries and rebuttals
Benchmark tests
Publications and citing USEARCH
OTU analysis
Denoising
Machine learning
Designing 16S experiments
Downloads