TY - ADVS AU - Maquat,Lynne E. TI - Nonsense-mediated and Staufen1-mediated mRNA decay: related pathways of post-transcriptional control in mammalian cells T2 - From DNA to proteins : the multiple levels of regulation, PY - 2007/// CY - London PB - Henry Stewart Talks KW - Cellular control mechanisms KW - Genetic regulation KW - Messenger RNA KW - RNA stability KW - Cytoskeletal Proteins KW - physiology KW - Eukaryotic Initiation Factors KW - metabolism KW - Exons KW - Nonsense Mediated mRNA Decay KW - Protein Isoforms KW - RNA Cap-Binding Proteins KW - RNA Processing, Post-Transcriptional KW - RNA Splicing KW - RNA Stability KW - RNA, Double-Stranded KW - RNA, Messenger KW - RNA-Binding Proteins N1 - Animated audio-visual presentation with synchronized narration; Title from title frames; Contents: Three core Upf NMD factors -- Exon junction complexes (EJCs) -- Upf1 -- Mechanism of NMD -- Activation of EJC-bound Upf1 -- Role of NMD in downregulating spliced mRNAs to eliminate truncated proteins -- NMD downregulating functional protein isoforms -- Restriction to newly synthesized mRNAs during a pioneer round of translation -- Cap Binding Protein (CBP) heterodimer CBP80-CBP20 -- Eukaryotic translation initiation factor (eIF) 4E and steady state mRNA -- Role of CBP80 in enhancing efficiency of NMD by promoting the interaction of Upf1 with EJC-bound Upf2 -- Staufen (Stau)1-mediated mRNA decay (SMD) -- Double-stranded RNA binding protein Stau1 -- Mechanism of action of SMD; Access restricted to subscribers UR - https://hstalks.com/bs/629/ UR - https://hstalks.com/bs/p/22/ ER -