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Small RNA that is activated by SgrR in Escherichia coli during glucose-phosphate stress shRNA: short hairpin RNA - siRNA: small interfering RNA - SL RNA spliced leader RNA multiple families: SmY RNA: mRNA trans-splicing RF01844: Small nuclear RNAs found in some species of nematode worms, thought to be involved in mRNA trans-splicing snoRNA ...
RNA polymerase, assisted by one or more general transcription factors, then selects a transcription start site in the transcription bubble, binds to an initiating NTP and an extending NTP (or a short RNA primer and an extending NTP) complementary to the transcription start site sequence, and catalyzes bond formation to yield an initial RNA product.
The standard RNA codon table organized in a wheel A codon table can be used to translate a genetic code into a sequence of amino acids . [ 1 ] [ 2 ] The standard genetic code is traditionally represented as an RNA codon table, because when proteins are made in a cell by ribosomes , it is messenger RNA (mRNA) that directs protein synthesis .
Studies on RNA interference earned a Nobel Prize for Andrew Fire and Craig Mello in 2006, and another Nobel for studies on the transcription of RNA to Roger Kornberg in the same year. The discovery of gene regulatory RNAs has led to attempts to develop drugs made of RNA, such as siRNA, to silence genes. [83]
RNA polymerase is often incapable of synthesizing a primary transcript if the targeted gene's promoter region contains specific methylated cytosines— residues that hinder binding of transcription-activating factors and recruit other enzymes to stabilize a tightly bound nucleosome structure, excluding access to RNA polymerase and preventing ...
Eukaryotic Transcription. Eukaryotic transcription is the elaborate process that eukaryotic cells use to copy genetic information stored in DNA into units of transportable complementary RNA replica. [1] Gene transcription occurs in both eukaryotic and prokaryotic cells. Unlike prokaryotic RNA polymerase that initiates the transcription of all ...