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The strict regulation of translation in both space and time is in part governed by cis-regulatory elements located in 5′ mRNA transcript leaders (TLs) and 3′ untranslated regions (UTRs). Due to their role in translation initiation, mRNA 5′ transcript leaders (TLs) strongly influence protein expression.
Cis-regulatory elements (CREs) or cis-regulatory modules (CRMs) are regions of non-coding DNA which regulate the transcription of neighboring genes.CREs are vital components of genetic regulatory networks, which in turn control morphogenesis, the development of anatomy, and other aspects of embryonic development, studied in evolutionary developmental biology.
The 5′ untranslated region (also known as 5′ UTR, leader sequence, transcript leader, or leader RNA) is the region of a messenger RNA (mRNA) that is directly upstream from the initiation codon. This region is important for the regulation of translation of a transcript by differing mechanisms in viruses , prokaryotes and eukaryotes .
Trans-acting factors in alternative splicing in mRNA. Alternative splicing is a key mechanism that is involved in gene expression regulation. In the alternative splicing, trans-acting factors such as SR protein, hnRNP and snRNP control this mechanism by acting in trans. SR protein promotes the spliceosome assembly by interacting with snRNP(e.g. U1, U2) and splicing factors(e.g. U2AF65), and it ...
This is a list of cis-regulatory RNAs.These are RNA motifs which regulate nucleic acid regions on the same molecule, as opposed to trans-acting motifs which regulate a distal molecule.
This is a rendering of cis-acting replication element inspired by an image of common cre structure found in Coronavirus from a review paper by Sola et al., 2015 [1]. Cis-acting replication elements (cre) bring together the 5′ and 3′ ends during replication of positive-sense single-stranded RNA viruses (for example Picornavirus, Flavivirus, Coronavirus, Togaviruses, Hepatitis C virus) and ...
The W box is a deoxyribonucleic acid (DNA) cis-regulatory element sequence, (T)TGAC(C/T), which is recognized by the family of WRKY transcription factors. [1] [2]Functionality and conservation of the W-box element across plant species has been shown by gel shift experiments, random binding site selection, yeast one-hybrid screens and co-transfection assays performed with many different WRKY ...
The cis isomer in this case has a boiling point of 60.3 °C, while the trans isomer has a boiling point of 47.5 °C. [6] In the cis isomer the two polar C–Cl bond dipole moments combine to give an overall molecular dipole, so that there are intermolecular dipole–dipole forces (or Keesom forces), which add to the London dispersion forces and ...