Exons Encode Enhancers
نویسندگان
چکیده
منابع مشابه
Coding exons function as tissue-specific enhancers of nearby genes.
Enhancers are essential gene regulatory elements whose alteration can lead to morphological differences between species, developmental abnormalities, and human disease. Current strategies to identify enhancers focus primarily on noncoding sequences and tend to exclude protein coding sequences. Here, we analyzed 25 available ChIP-seq data sets that identify enhancers in an unbiased manner (H3K4m...
متن کاملTranscriptional Enhancers in Protein-Coding Exons of Vertebrate Developmental Genes
Many conserved noncoding sequences function as transcriptional enhancers that regulate gene expression. Here, we report that protein-coding DNA also frequently contains enhancers functioning at the transcriptional level. We tested the enhancer activity of 31 protein-coding exons, which we chose based on strong sequence conservation between zebrafish and human, and occurrence in developmental ge...
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A typical gene contains two levels of information: a sequence that encodes a particular protein and a host of other signals that are necessary for the correct expression of the transcript. While much attention has been focused on the effects of sequence variation on the amino acid sequence, variations that disrupt gene processing signals can dramatically impact gene function. A variation that d...
متن کاملUnexpected selection to retain high GC content and splicing enhancers within exons of multiexonic lncRNA loci.
If sequencing was possible only for genomes, and not for RNAs or proteins, then functional protein-coding exons would be recognizable by their unusual patterns of nucleotide composition, specifically a high GC content across the body of exons, and an unusual nucleotide content near their edges. RNAs and proteins can, of course, be sequenced but the extent of functionality of intergenic long non...
متن کاملIndividual exons encode the integral membrane domains of human myelin proteolipid protein.
The gene encoding human proteolipid protein (PLP) was isolated from a human genomic library by hybridization with labeled DNA of a PLP-specific cDNA clone. The entire PLP gene spans approximately 17 kilobases. Restriction and sequence analysis revealed seven exons and six introns. The entire nucleotide sequences of the exons and of the exon-intron transitions were determined, and the intron len...
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ژورنال
عنوان ژورنال: Science
سال: 2012
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.336.6079.277-a