# Annotation result

**URL:** https://forum.qiime2.org/t/annotation-result/24388
**Category:** General Discussion
**Created:** [October 8, 2022, 1:36pm UTC](https://forum.qiime2.org/t/annotation-result/24388 "2022-10-08T13:36:35Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![Nico1as](https://forum.qiime2.org/letter_avatar_proxy/v4/letter/n/3bc359/32.png) [@Nico1as](https://forum.qiime2.org/u/Nico1as)
#### Post date: [October 8, 2022, 1:36pm UTC](https://forum.qiime2.org/t/annotation-result/24388/1 "2022-10-08T13:36:35Z")

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I'm a beginner. Some of my annotation results contained a large number of blank archaea (even more than 70% in some samples). And only to the domain level. Just like this Fig.  
 ![1665223112358](https://forum-qiime2-org.s3.dualstack.us-west-2.amazonaws.com/original/2X/8/8fcbc6bf78942aaf803c30d7c332b8dfaae8d841.png)

Did the sample itself contain unknown archaea or was there a problem with the annotation or processing of the data?

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### Author: ![SoilRotifer](https://forum.qiime2.org/user_avatar/forum.qiime2.org/soilrotifer/32/21071_2.png) [@SoilRotifer](https://forum.qiime2.org/u/SoilRotifer)
#### Post date: [October 8, 2022, 1:47pm UTC](https://forum.qiime2.org/t/annotation-result/24388/2 "2022-10-08T13:47:28Z")

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Hi @Nico1as, welcome to :qiime2:!

These related threads should help answer your question:

> [@What's the difference between ;\_\_ and ;g\_\_ in Greengene database?](https://forum.qiime2.org/t/whats-the-difference-between-and-g-in-greengene-database/17615/2):
>
> Hi @Ryuk, If you search the forum you'll find many existing solutions to this question. Here are a couple: Also checkout some of the FAQs related to this topic: -Good luck!

-Mike

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### Author: ![Nico1as](https://forum.qiime2.org/letter_avatar_proxy/v4/letter/n/3bc359/32.png) [@Nico1as](https://forum.qiime2.org/u/Nico1as)
#### Post date: [October 9, 2022, 4:55am UTC](https://forum.qiime2.org/t/annotation-result/24388/3 "2022-10-09T04:55:14Z")

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@SoilRotifer Thanks a lot! It really helps.
