Por favor, use este identificador para citar o enlazar este Item:http://hdl.handle.net/20.500.12105/15785
Título
APPRIS principal isoforms and MANE Select transcripts define reference splice variants.
Autor(es)
Pozo, Fernando | Rodriguez, Jose Manuel CNIC | Martínez Gómez, Laura | Vazquez, Jesus CNIC | Tress, Michael L
Fecha de publicación
2022-09-16
Cita
Bioinformatics. 2022 Sep 16;38(Suppl_2):ii89-ii94.
Idioma
Inglés
Tipo de documento
journal article
Resumen
Selecting the splice variant that best represents a coding gene is a crucial first step in many experimental analyses, and vital for mapping clinically relevant variants. This study compares the longest isoforms, MANE Select transcripts, APPRIS principal isoforms, and expression data, and aims to determine which method is best for selecting biological important reference splice variants for large-scale analyses.
Proteomics analyses and human genetic variation data suggest that most coding genes have a single main protein isoform. We show that APPRIS principal isoforms and MANE Select transcripts best describe these main cellular isoforms, and find that using the longest splice variant as the representative is a poor strategy. Exons unique to the longest splice isoforms are not under selective pressure, and so are unlikely to be functionally relevant. Expression data are also a poor means of selecting the main splice variant. APPRIS principal and MANE Select exons are under purifying selection, while exons specific to alternative transcripts are not. There are MANE and APPRIS representatives for almost 95% of genes, and where they agree they are particularly effective, coinciding with the main proteomics isoform for over 98.2% of genes.
APPRIS principal isoforms for human, mouse and other model species can be downloaded from the APPRIS database (https://appris.bioinfo.cnio.es), GENCODE genes (https://www.gencodegenes.org/) and the Ensembl website (https://www.ensembl.org). MANE Select transcripts for the human reference set are available from the Ensembl, GENCODE and RefSeq databases (https://www.ncbi.nlm.nih.gov/refseq/). Lists of splice variants where MANE and APPRIS coincide are available from the APPRIS database.
Supplementary data are available at Bioinformatics online.
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