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- ChiRP-Seq (Chromatin Isolation by RNA purification) is a high-throughput sequencing method to discover regions of the genome which are bound by a specific RNA (or by a ribonucleoprotein containing the RNA of interest). Recent studies have shown that a significant proportion of some genomes (including mouse and human genomes) synthesize RNA that apparently do not code for proteins. The function of most of these non-coding RNA still has to be ascertained. Various genomic methods are being developed to map the functional association of these novel RNA to distinct regions of the genome to gain a better understanding of their function. ChiRP-Seq is one of these new methods which uses the massively parallel sequencing capability of 2nd generation sequencers to catalog the binding sites of these novel RNA molecules on a genome. Although many have believed that RNAs mainly encode for proteins a very large portion of the eukaryotic genome is composed of RNAs that do not. These RNAs were originally considered junk until new advancements lead to the realization that they may indeed have a biological purpose. Over the last few years lncRNAs have been the least explored and functionally characterized emerging regulatory molecules, especially in comparison to their short counterparts, small ncRNAs. ChiRP-Seq is a new technique that has allowed us to map long RNA occupancy across the genome at a higher resolution than ever before. ChiRP-Seq works via affinity capture of a target complex of lncRNA and chromatin by tiling antisense-oligos. This technique will allow scientists to generate a map of genomic binding sites of several hundred bases very accurately due to high sensitivity and low background. (en)
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- ChiRP-Seq (Chromatin Isolation by RNA purification) is a high-throughput sequencing method to discover regions of the genome which are bound by a specific RNA (or by a ribonucleoprotein containing the RNA of interest). Recent studies have shown that a significant proportion of some genomes (including mouse and human genomes) synthesize RNA that apparently do not code for proteins. The function of most of these non-coding RNA still has to be ascertained. Various genomic methods are being developed to map the functional association of these novel RNA to distinct regions of the genome to gain a better understanding of their function. ChiRP-Seq is one of these new methods which uses the massively parallel sequencing capability of 2nd generation sequencers to catalog the binding sites of these (en)
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