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m6anet, eventalign, galaxy #155
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Hi Matthias (tagging you here @mocherry),
Not sure whether you are open to using command line, but you can check out the Thanks! Best wishes, |
Hi Yuk Kei, thanks a lot. |
Hi Yuk Kei,As you may have seen from my recent posts I still have problems with m6anet.The analysis in Galaxy has no been running for 3 or 4 days with no result, with no error though.I tried to follow your previous suggestion, however get stuck again, even when using the sample data.I guess it has to do with me working in a Windows environment, but alas I have not enough coding skills to solve my problems. What is strange though is that the Galaxy implementation does not work.Now, i am quite desperate and I am at a loss how to analyze our data. Whatever Nanopore offers for Windows is not working either.Can you help?Thanks and best,Matthias Von meinem/meiner Galaxy gesendet
-------- Ursprüngliche Nachricht --------Von: Yuk Kei Wan ***@***.***> Datum: 06.03.24 22:15 (GMT+01:00) An: GoekeLab/m6anet ***@***.***> Cc: mocherry ***@***.***>, Mention ***@***.***> Betreff: [EXTERN] Re: [GoekeLab/m6anet] m6anet, eventalign, galaxy (Issue #155)
Hi Matthias (tagging you here @mocherry),
You can pass the --emit-fastq flag to dorado basecaller, which would emit a fastq file, this is sufficient for downstream running nanopolish and m6anet
You can use minimap2 and samtools to get a sorted.bam file:
minimap2 -ax map-ont -uf -t 3 --secondary=no <MMI> <PATH/TO/FASTQ.GZ> > <PATH/TO/SAM> 2>> <PATH/TO/SAM_LOG>
samtools view -Sb <PATH/TO/SAM> > <PATH/TO/BAM>
samtools sort <PATH/TO/BAM> -o <PATH/TO/SORTED.BAM>
samtools index <PATH/TO/BAM>
You can then use the fastq file and the fast5 files (or convert the pod5 files to fast5 files with pod5 convert to_fast5 and run nanopolish index
Then, you can run nanopolish eventalign with the fast5, fastq, and sorted.bam, which will give you an eventalign.txt file to input to m6anet dataprep.
Not sure whether you are open to using command line, but you can check out the nf-core/nanoseq, which does all the steps for you.
Thanks!
Best wishes,
Yuk Kei
—Reply to this email directly, view it on GitHub, or unsubscribe.You are receiving this because you were mentioned.Message ID: ***@***.***>
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Hi Matthias, |
Hi Natalia,well, in the end I gave up after learning that it is no use for the modt recent chemistry we were using.So I used Nanopore's Modkit package for the analysis.Let me know if this helps or if you need more details.BestMatthiasVon meinem/meiner Galaxy gesendet
-------- Ursprüngliche Nachricht --------Von: Natipinello ***@***.***> Datum: 23.08.24 16:07 (GMT+01:00) An: GoekeLab/m6anet ***@***.***> Cc: mocherry ***@***.***>, Mention ***@***.***> Betreff: [EXTERN] Re: [GoekeLab/m6anet] m6anet, eventalign, galaxy (Issue #155)
Hi Matthias,
I´m having the same problem with m6Anet in Galaxy, has been running for 2 days now. Wondering if you managed to work it out? Or if you'd have any suggestions?
Thanks!!
Natalia
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Thank you very much Matthias! I will give it a shot and might get back in touch if I get stuck, if that's OK? |
Sure!Von meinem/meiner Galaxy gesendet
-------- Ursprüngliche Nachricht --------Von: Natipinello ***@***.***> Datum: 23.08.24 18:33 (GMT+01:00) An: GoekeLab/m6anet ***@***.***> Cc: mocherry ***@***.***>, Mention ***@***.***> Betreff: [EXTERN] Re: [GoekeLab/m6anet] m6anet, eventalign, galaxy (Issue #155)
Thank you very much Matthias! I will give it a shot and might get back in touch if I get stuck, if that's OK?
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Dear m6anet-team,
I have a question regarding m6anet, which I try to use in Galaxy to reproduce some RNA-sequencing study in order to get familiar with this topic.
In your manual you write for data-prep:
"will need: * reads.fastq: fastq file generated from basecalling the raw .fast5 files * reads.sorted.bam: sorted bam file obtained from aligning reads.fastq to the reference transcriptome file * transcript.fa: reference transcriptome file"
I was told that with Dorado on fast5/pod5 files, information about modified bases is not preserved in fastq-files and that only in bam-files produced by Dorado this info is contained as a tag.
So, what is the exact pipeline to produce the fastq-files? Will eventalign in Galaxy get the modification from the supplied fast5-files, i.e. is it sufficient to do basecalling (Dorado) with fastq as output option.
How do you suggest to produce the sorted bam-file? What would you use for alignment? Minimap?
Please excuse if these questions sound somewhat naive, but I have had a hard time so far getting m6A-info from the sequencing data I have available and am not at all familiar with Python, which is why I want to do the analysis in galaxy.
Thanks for your help and consideration,
Matthias
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