Genome-wide analysis of alternative splicing in cow: implications in bovine as a model for human diseases

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Abstract
Alternative splicing (AS) is a primary mechanism of functional regulation in the human genome, with 60% to 80% of human genes being alternatively spliced. As part of the bovine genome annotation team, we have analysed 4567 bovine AS genes, compared to 16715 human and 16491 mouse AS genes, along with Gene Ontology (GO) analysis. We also analysed the two most important events, cassette exons and intron retention in 94 human disease genes and mapped them to the bovine orthologous genes. Of the 94 human inherited disease genes, a protein domain analysis was carried out for the transcript sequences of 12 human genes that have orthologous genes and have been characterised in cow.