Question: How to find transposable element genes in ensembl annotation
gravatar for james.lloyd
4.4 years ago by
United States
james.lloyd90 wrote:

I have some differential genes from an RNA-seq experiment and I wanted to look at changes of transposable element genes (transposons). This data is human and I have the ensembl gene names from GRCh37 and the GRCh37.75 GTF. I wanted to add the gene_biotype from the GTF to each gene and look for different types of genes, protein coding vs miRNA and transposable element etc. But now I have look at the biotypes, I see that transposable element are not in the list. I do not know what they fall under. Is there any way to annotate my ensembl genes that are transposable elements as such? 


I thought that this would work because I did this for Arabidopsis using TAIR10 and the gene_type separated all of these features out but biotypes do not pair well with the annotations used by TAIR. Any help would be appreciated! 

ADD COMMENTlink modified 4.4 years ago by abascalfederico1.1k • written 4.4 years ago by james.lloyd90
gravatar for Michael Dondrup
4.4 years ago by
Bergen, Norway
Michael Dondrup47k wrote:

I think they are not annotated in the biotype as a class of its own. Did you try searching for transposon? Transposons are repeats identified by RepeatMasker. To display Transposons in the Ensembl genome browser, open a genome region and click Configure this page, then scroll down to and click Repeat regions on the left, activate those repeat regions that interest you. Use Export data to get the data you need in GTF or any other supported format.

The result could be like this:

ADD COMMENTlink modified 3 months ago by RamRS26k • written 4.4 years ago by Michael Dondrup47k
gravatar for abascalfederico
4.4 years ago by
abascalfederico1.1k wrote:

Using bedtools to determine whether the (RNAseq) expressed exons overlap annotated repeat elements may be of help. All you need is to have the coordinates of both; you can retrieve RepeatMasker annotations from UCSC easily.


ADD COMMENTlink modified 3 months ago by RamRS26k • written 4.4 years ago by abascalfederico1.1k
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