Daniel Cerdán Vélez
danielcerdan.bsky.social
Daniel Cerdán Vélez
@danielcerdan.bsky.social
Bioinformatician
Spanish National Cancer Research Centre (CNIO)
Reposted by Daniel Cerdán Vélez
Has APPRIS selected the wrong principal isoform?

Send us an email via the adresses on the website and we will investigate.
December 3, 2025 at 11:09 AM
Reposted by Daniel Cerdán Vélez
So, still a lot of work to be done to get down a final agreed set of coding genes. One big step would be to eliminate all readthrough genes. Let's see ...

And that winds up our work in @gencodegenes.bsky.social

It has been fun.

Work carried out by Miguel Maquedano and @danielcerdan.bsky.social
September 30, 2025 at 3:39 PM
Reposted by Daniel Cerdán Vélez
So, our definitive paper on the human reference gene set is out this week in Database (Oxford).

We merged and compared @ensembl.org / @gencodegenes.bsky.social , RefSeq and UniProtKB coding genes and investigated the agreements and discrepancies.

Details of what we found in the thread ...
September 30, 2025 at 2:25 PM
Reposted by Daniel Cerdán Vélez
FlyBase needs your help!

Because of recent changes to government funding, the NIH grant that supported FlyBase has been "terminated." flybase.org
June 9, 2025 at 2:42 PM
Reposted by Daniel Cerdán Vélez
We have updated APPRIS to @gencodegenes.bsky.social v48/ @ensembl.bsky.social v114. New principal isoforms for human, mouse, rat, cow and fruit fly ( @flybase.bsky.social ).

Principal isoforms for a total of 73 human genes have been updated manually.
June 12, 2025 at 1:21 PM
Reposted by Daniel Cerdán Vélez
¡Abierta la preinscripción del Máster en Bioinformática y Ciencias de Datos en Medicina Personalizada de Precisión y Salud 2025/26!
📍Organizan: @saludisciii.bsky.social @cniostopcancer.bsky.social @bsc-cns.bsky.social
🤝 Colaboran: SEBiot,Instituto Roche
📅 Plazas limitadas
🔗 masterbioinformatica.com
May 12, 2025 at 8:45 AM
Reposted by Daniel Cerdán Vélez
Users of APPRIS may have noticed that there is a new category of principal isoforms, Principal:M.

These principal isoforms are exclusive to the human gene set and are principal isoforms that have been manually corrected. In GENCODE v47 there were 45 genes with Principal:M isoforms.

Here is DCD:
February 24, 2025 at 12:21 PM
Reposted by Daniel Cerdán Vélez
@vigalondo.bsky.social mil gracias por compartir un rato con nosotras tras Carretera Perdida, por formarnos los libros y por hablarnos de la maquina de café gratuita ✨ El segundo chocolate caliente lo tiré al suelo y acabamos comiendo tarta de cereza en la Estupenda
February 7, 2025 at 2:42 AM
Reposted by Daniel Cerdán Vélez
Our paper analysing the protein coding genes added as part of the new T2T-CHM13 assembly of the human genome was officially published over the holidays.

In particular it shows that what was previously thought to be the human WASH1C gene is actually a pseudogene.

bsky.app/profile/mich...
We find that 12 of the 13 WASHC1 paralogues are likely to be pseudogenes, and that the only functional WASHC1 gene is on chromosome 20, not on chromosome 9 as was previously thought.

This goes some way to explaining why so little is known about this vital gene, an integral part of the WASH complex.
January 7, 2025 at 10:30 AM
Reposted by Daniel Cerdán Vélez
So, this week's paper is about signal peptides and what they reveal about the function of N-terminally extended protein isoforms and other upstream translation such as uORFs.

www.biorxiv.org/content/10.1...
The rapid degradation of translated upstream regions points to an inefficient translation initiation process
Large-scale experimental analyses find ever more abundant evidence of translation from start codons upstream of the canonical start site. This translation either generates entirely new proteins (from ...
www.biorxiv.org
November 28, 2024 at 8:20 AM
Reposted by Daniel Cerdán Vélez
Por aquí necesitan ayuda 👇🏻
November 26, 2024 at 3:36 PM
Reposted by Daniel Cerdán Vélez
¡SORTEÓN WHOVIAN!
¡Para celebrar que hoy es el Doctor Who Day
sorteamos una colección completa de los cómics que hemos publicado del Doctor, es decir, 11 TEBEOS!
👉 Síguenos
👉 Comparte este maripost. Retuitea este skeet. Ya sabes lo que quiero
👉 ¡El sorteo termina a las 23:59 del 25/11!
¡¡SUERTE!!
November 23, 2024 at 11:20 AM
Reposted by Daniel Cerdán Vélez
So, we have posted a new paper at BioRxiv. We carried out a deep manual curation of the human peptides identified in PeptideAtlas. This allowed to fill in some of the blanks in the @gencodegenes.bsky.social human gene set, including 16 novel protein coding genes.
www.biorxiv.org/content/10.1...
A deep audit of the PeptideAtlas database uncovers evidence for unannotated coding genes and aberrant translation
The human genome has been the subject of intense scrutiny by experimental and manual curation projects for more than two decades. Novel coding genes have been proposed from large-scale RNASeq, ribosom...
www.biorxiv.org
November 18, 2024 at 9:42 AM
Reposted by Daniel Cerdán Vélez
A deep audit of the PeptideAtlas database uncovers evidence for unannotated coding genes and aberrant translation https://www.biorxiv.org/content/10.1101/2024.11.14.623419v1
A deep audit of the PeptideAtlas database uncovers evidence for unannotated coding genes and aberrant translation https://www.biorxiv.org/content/10.1101/2024.11.14.623419v1
The human genome has been the subject of intense scrutiny by experimental and manual curation projec
www.biorxiv.org
November 16, 2024 at 1:39 AM
Reposted by Daniel Cerdán Vélez
APPRIS has new annotations for GENCODE human v46 and mouse M35. The human reference set now has 16,483 genes with Principal:P1 isoforms and mouse has 18,782 genes.

Agreement with MANE Select transcripts in human (no MANE Select in mouse) has risen slightly to 17,661 genes.

appris.bioinfo.cnio.es#/
{APPRIS} - Annotating principal splice isoforms
Explore and download data on alternative splicing annotations and principal isoforms with the APPRIS Database, WebServer and WebServices.
appris.bioinfo.cnio.es
July 3, 2024 at 3:29 PM
Reposted by Daniel Cerdán Vélez
We have just published a paper in which we take an in depth look at translation of 5' UTR regions.

The key takeaways are that it is common and that most translation from 5' UTR is in-frame, so the effect at the protein level is to extend the N-terminal.

academic.oup.com/nar/advance-...
Evidence for widespread translation of 5′ untranslated regions
Abstract. Ribosome profiling experiments support the translation of a range of novel human open reading frames. By contrast, most peptides from large-scale
academic.oup.com
July 3, 2024 at 11:22 AM
Reposted by Daniel Cerdán Vélez
APPRIS has annotated principal and alternative isoforms and TRIFID functional isoform scores for Ensembl Bos taurus version e111: appris.bioinfo.cnio.es#/
March 26, 2024 at 12:27 PM
Hello!
March 21, 2024 at 11:56 AM