Topic
RNA
About: RNA is a research topic. Over the lifetime, 111695 publications have been published within this topic receiving 5475262 citations. The topic is also known as: ribonucleic acid.
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TL;DR: The RNAs and proteins specified by five early genes of bacteriophage T7 have been identified by electrophoresis on sodium dodecyl sulfate, polyacrylamide gels using a slab gel system in which 25 samples can be run simultaneously and then dried for autoradiography.
2,127 citations
TL;DR: It is reported here that human METTL14 catalyzes m6A RNA methylation, and together with METTL3, the only previously known m 6A methyltransferase, these two proteins form a stable heterodimer core complex ofMETTL3-14 that functions in cellular m6 a deposition on mammalian nuclear RNAs.
Abstract: Certain adenosine residues within mammalian RNAs undergo reversible N6 methylation. Two methyltransferase enzymes, METTL3 and METTL14, as well as the splicing factor WTAP are identified as core components of the multiprotein complex that deposits RNA N6-methyladenosine (m6A) in nuclear RNAs.
2,081 citations
TL;DR: A new role for circRNAs in regulating gene expression in the nucleus is revealed, in which EIciRNAs enhance the expression of their parental genes in cis, and a regulatory strategy for transcriptional control via specific RNA-RNA interaction between U1 snRNA and EICIRNAs is highlighted.
Abstract: Noncoding RNAs (ncRNAs) have numerous roles in development and disease, and one of the prominent roles is to regulate gene expression A vast number of circular RNAs (circRNAs) have been identified, and some have been shown to function as microRNA sponges in animal cells Here, we report a class of circRNAs associated with RNA polymerase II in human cells In these circRNAs, exons are circularized with introns 'retained' between exons; we term them exon-intron circRNAs or EIciRNAs EIciRNAs predominantly localize in the nucleus, interact with U1 snRNP and promote transcription of their parental genes Our findings reveal a new role for circRNAs in regulating gene expression in the nucleus, in which EIciRNAs enhance the expression of their parental genes in cis, and highlight a regulatory strategy for transcriptional control via specific RNA-RNA interaction between U1 snRNA and EIciRNAs
2,077 citations
TL;DR: It is proposed that the IVS portion of the RNA has several enzyme-like properties that enable it to break and reform phosphodiester bonds and that enzymes, small nuclear RNAs and folding of the pre-rRNA into an RNP are unnecessary for these reactions.
2,077 citations
TL;DR: A method is described to synthesize small RNAs of defined length and sequence using T7 RNA polymerase and templates of synthetic DNA which contain the T7 promoter to increase the variety of RNAs which can be made.
Abstract: A method is described to synthesize small RNAs of defined length and sequence using T7 RNA polymerase and templates of synthetic DNA which contain the T7 promoter. Partially single stranded templates which are base paired only in the -17 to +1 promoter region are just as active in transcription as linear plasmid DNA. Runoff transcripts initiate at a unique, predictable position, but may have one nucleotide more or less on the 3' terminus. In addition to the full length products, the reactions also yield a large amount of smaller oligoribonucleotides in the range from 2 to 6 nucleotides which appear to be the result of abortive initiation events. Variants in the +1 to +6 region of the promoter are transcribed with reduced efficiency but increase the variety of RNAs which can be made. Transcription reaction conditions have been optimized to allow the synthesis of milligram amounts of virtually any RNA from 12 to 35 nucleotides in length.
2,063 citations