# question about unclassified

**URL:** <https://forum.biobakery.org/t/question-about-unclassified/329>\
**Category:** MetaPhlAn\
**Created:** [April 8, 2020, 6:40pm UTC](https://forum.biobakery.org/t/question-about-unclassified/329 "2020-04-08T18:40:46Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![fbeghini](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.biobakery.org/fbeghini/32/81_2.png) [@fbeghini](https://forum.biobakery.org/u/fbeghini)\
**Post date:** [September 28, 2020, 8:12am UTC](https://forum.biobakery.org/t/question-about-unclassified/329/16 "2020-09-28T08:12:20Z")

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Yes, the method is practically identical, we introduced a couple of QC on the alignment quality and a new expanded database comprising 12k species (see [https://forum.biobakery.org/t/can-you-tell-us-about-the-db-updates/310](https://forum.biobakery.org/t/can-you-tell-us-about-the-db-updates/310)). We try to use maximum 150 markers per species, for complete marker statistics you can check the marker info file here [https://www.dropbox.com/sh/7qze7m7g9fe2xjg/AAAlyQITZuUCtBUJxpxhIroIa/mpa\_v30\_CHOCOPhlAn\_201901\_marker\_info.txt.bz2?dl=1](https://www.dropbox.com/sh/7qze7m7g9fe2xjg/AAAlyQITZuUCtBUJxpxhIroIa/mpa_v30_CHOCOPhlAn_201901_marker_info.txt.bz2?dl=1)

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