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Update README.md
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willem-stock committed Jul 1, 2024
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Expand Up @@ -57,7 +57,8 @@ nohup bash ../scripts/main.sh &

this will generate a nohup.out where you can monitor the process

[remark: if the analyses is halted whilst not all files in a folder have been processed, just execute the main.sh again as it will skip the files which have been processed]
> [!NOTE]
> if the analysis is halted whilst not all files in a folder have been processed, just execute the main.sh again as it will skip the files which have already been processed
## Optimising
* using the sequences of not only the primers, but also the anchor sequences in the primer sequence file (primer_set.fa ) will likely improve the results
Expand All @@ -79,14 +80,15 @@ The reads that failed to map to the consensus sequences are in the unmapped fold


The output files can be further processed with phyloseq in R (an r script is available in this repository to get you started: CONCOMPRA_local_postprocessing.R)
Alternatively, you can use vsearch (which is present in the CONCOMPRA environment) to assign a taxonomy to your consensus sequences.
For this, you'll have to:
* download one of the [available reference databases](https://www.drive5.com/usearch/manual/sintax_downloads.html)
* create aa UDB database file from the database file
```
vsearch -makeudb_usearch $DATABASE.gz -output $DATABASE.udb
```
* generate taxonomic annotations
```
vsearch --sintax $FASTA_FILE --db $DATABASE.udb --tabbedout reads.sintax
```
> [!TIP]
> You can use vsearch (which is present in the CONCOMPRA environment) to assign a taxonomy to your consensus sequences.
> For this, you'll have to:
> * download one of the [available reference databases](https://www.drive5.com/usearch/manual/sintax_downloads.html)
> * create a UDB database file
> ```
> vsearch -makeudb_usearch $DATABASE.gz -output $DATABASE.udb
> ```
> * generate taxonomic annotations
> ```
> vsearch --sintax $FASTA_FILE --db $DATABASE.udb --tabbedout reads.sintax
> ```

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