Comments (3)
Dear all,
Many thanks for the great tool! I want to second @wendy517 questions. I run REDItoolDnaRna.py with RNA-seq data, the ENSEMBL reference genome, and with -s 2 -g 2 -S as described in the nature methods. Everything worked perfectly but the results are +, -, * stranded. Two questions, (i) in theory there could be overlapping transcripts on opposing strands. In case there is an editing site on both mRNA on the same position - just opposite strand - would REDItool be able to distinguish them? And (ii) is the strand set to * if the inference of -g 2 fails?
I used the NEBNext Ultra II Directional RNA Library Prep Kit were the reads should map to the opposite strand from which they originate - I guess. In that case I also have to reverse the strand of the resulting editing site?
I would highly appreciate insights from your side.
Many thanks!
Best wishes,
Florian
from reditools.
I am sorry, but I can't sort it out. From what I see the REDItools option fits my RNA-seq assay and that yields stranded information about the editing. However, if I want to detect mRNA A-to-I editing, should I select A-to-G on the "+" and "-" strand or T-to-C events on the "-"?
And how is the reference base and editing event determined in case the strand was not infered? I find entries with undecided strand but statments about the the reference base and substitution.
I would really appreciate your help here.
Best wishes,
Florian
from reditools.
Hi All,
I am also running into issues with inferring the correct strand identity when using REDItoolKnown on some RNA-seq data. I am using the rediportal database as reference and I am having weird cases where an edit site is identified at
20 4819100 A -
in my RNA-seq data, but the rediportal database has the same site as
20 4819100 T -
I presume the strandedness has been incorrectly identified in the RNA seq data as I would expect the A to G edit to be on the + stand? I used infer_experiment.py
to work out the strandedness in my RNA-seq data and used the following flags -s 2 -g 2 -S
as recommended. Any further insight greatly appreciated.
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Related Issues (18)
- question about REDItoolDnaRnav13.py
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