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Exon trapping or 'gene trapping' is a molecular biology technique that exploits the existence of the intron-exon splicing to find new genes. [13] The first exon of a 'trapped' gene splices into the exon that is contained in the insertional DNA .
Exon shuffling is a molecular mechanism for the formation of new genes. It is a process through which two or more exons from different genes can be brought together ectopically , or the same exon can be duplicated , to create a new exon-intron structure. [ 1 ]
Exon skipping is used to restore the reading frame within a gene. Genes are the genetic instructions for creating a protein, and are composed of introns and exons.Exons are the sections of DNA that contain the instruction set for generating a protein; they are interspersed with non-coding regions called introns.
Exon trapping is a molecular biology technique to identify potential exons in a fragment of eukaryote DNA of unknown intron-exon structure. [1] This is done to determine if the fragment is part of an expressed gene .
An exon junction complex (EJC) is a protein complex which forms on a pre-messenger RNA strand at the junction of two exons which have been joined together during RNA splicing. The EJC has major influences on translation , surveillance , localization of the spliced mRNA , and m 6 A methylation .
Distinction between genome, exome, and transcriptome. The exome consists of all of the exons within the genome. In contrast, the trascriptome varies between cell types (e.g. neurons vs cardiac cells), only involving a portion of the exons that are actually transcribed into mRNA.
Exome sequencing workflow: part 1. Exome sequencing, also known as whole exome sequencing (WES), is a genomic technique for sequencing all of the protein-coding regions of genes in a genome (known as the exome). [1]
Insertion of a SINE upstream of a coding region may result in exon shuffling or changes to the regulatory region of the gene. Insertion of a SINE into the coding sequence of a gene can have deleterious effects and unregulated transposition can cause genetic disease. The transposition and recombination of SINEs and other active nuclear elements ...