Dear Tom,
I feel that you need Ensembl expertise to help with this question.
Forwarding to the list and cc'ing Thomas and Rhoda

a


On Sat, Mar 24, 2012 at 6:48 PM, Tom A <[email protected]> wrote:

> Dear Arek,
>
> As a part of my work I need to retrieve unspliced and mature sequences for
> all RNA types I can find. I have tried biomart resources and mRNA/pre-mRNA
> works great. However in case of rRNA and miRNA I always get the same
> sequence no matter if I choose cDNA or transcript_exon_intron. In case of
> miRNA I presume the sequence is always the pre-mRNA one? (and the actual
> miRNA should be pulled from miRBase). In case of rRNA I am not sure why
> there is no data.
>
> Secondly in case of all the other types of RNA what types would have the
> unspliced transcripts and which would not (misc-RNA, snoRNA, snRNA, lincRNA
> and MT-r/tRNA)? Also are all unspliced sequences derived from alignments
> and predictions or are they actually experimentally verified? I presume
> that if ensembl does not have this data it would be hard to find anywhere
> else.
>
> Thanks very much for your help.
> Tom
>



-- 

Arek Kasprzyk, MD, MSc, PhD
BioMart Project Lead
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