The PR2 database
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pr2-database.bsky.social
The PR2 database
@pr2-database.bsky.social
PR2 is a set of three interconnected sequence public databases focusing on protist taxonomic groups: a reference sequence database (pr2), a primer database (pr2-primers) and a metabarcode database (metapr2).
https://pr2-database.org/
Access to the PR2 web interface is here:
app.pr2-database.org
PR2 databasePR2 reference database
VALIDATE after changes to update screen.
app.pr2-database.org
October 28, 2025 at 8:59 AM
Changelog
pr2database.github.io
October 7, 2025 at 8:35 AM
Some functional traits have been added:

- HAB (Harmful Algal Bloom) species
- ecological function - from Sommeria-Klein et al. 2021
April 3, 2025 at 10:53 AM
A few taxonomic groups have been updated from work performed during the 2023 Barcelona EukRef workshop and from individual contributions including:

- Picozoa
- Choropicophyceae
- Rhodophyta
- Dinophyceae
- Foraminifera
April 3, 2025 at 10:53 AM
- The web interface now provides access to the ROD database that contains full-length eukaryotic ribosomal operons developed by @krabberod.bsky.social
April 3, 2025 at 10:53 AM
Please let us know of any problem here: github.com/pr2database/...
Issues · pr2database/pr2database
Protist Ribosomal Reference database (PR2) - SSU rRNA gene database - Issues · pr2database/pr2database
github.com
April 2, 2025 at 2:05 PM
We are back on-line. It took less time than anticipated to upgrade R....
April 2, 2025 at 1:55 PM