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mrvollger committed Aug 20, 2024
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Expand Up @@ -36,9 +36,9 @@ Once you have a phased bam file, you can identify [Fiber-seq inferred regulatory

### Infer nucleosomes and MSPs

Once you have CpG and m6A information in your ONT BAM file, you can use [`ft add-nucleosomes`](fibertools/help.md#ft-add-nucleosomes) to infer nucleosomes and MSPs. With Dorado, we find the best results when restricting to m6A modifications with an ML score of 250 or higher.
Once you have CpG and m6A information in your ONT BAM file, you can use [`ft add-nucleosomes`](fibertools/help.md#ft-add-nucleosomes) to infer nucleosomes and MSPs. With Dorado, we find the best results when restricting to the 90% of calls that `dorado` is most confident in as determined by [modkit](https://github.com/nanoporetech/modkit).
```bash
ft add-nucleosomes --ml 250 input.bam output.bam
modkit call-mods -p 0.1 input.bam - | ft add-nucleosomes - output.bam
```

### Alignment and phasing
Expand All @@ -49,4 +49,4 @@ We recommend using [WhatsHap](https://whatshap.readthedocs.io/en/latest/) for ph
After this point, you will have a Fiber-seq BAM file that is compatible with all the [extraction](fibertools/extracting/extracting.md) commands in `fibertools`.

### Fiber-seq peaks and UCSC browser tracks
Some users report reasonable success in applying the [FIRE pipeline](https://github.com/fiberseq/FIRE) to ONT data. However, **please note that FIRE models were not trained or validated for ONT data.** With that said, all the instructions for applying the FIRE pipeline to a PacBio BAM should work for an ONT BAM as well.
Some users report reasonable success in applying the [FIRE pipeline](https://github.com/fiberseq/FIRE) to ONT data. However, **please note that FIRE models were not trained or validated for ONT data.** With that said, we have developed a heuristic for FIRE that appears to work very well with ONT data. To enable this add `ont: true` to your `config.yaml` file when setting up your FIRE run.

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