PPP algorithm

120,000 new RNA virus species discovered by mining the SRA (paper).

Syncmers are better than minimizers (paper).

Video talks on 16S data analysis posted.

URMAP ultra-fast read mapper (paper).

~20% of taxonomy annotations in SILVA and Greengenes are wrong (paper).

Taxonomy prediction is <50% accurate for 16S V4 sequences (paper).

97% OTU threshold is wrong for species, should be 99% for full-length 16S, 100% V4 (paper).