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Biochemistry Seminar: Prof. Sujatha Jagannathan (University of Colorado Anschutz Medical Campus, Department of Biochemistry and Molecular Genetics), “When cell's garbage disposal fails: Compromised RNA quality control in the human muscle disease"

Event Type
Seminar/Symposium
Topics
biochemistry, biological sciences, host-pathogen interactions, microbial physiology, microbiology, molecular biology, molecular evolution, protein structure, regulation of gene expression, signal trasduction
Sponsor
Prof. Auinash Kalsotra, Department of Biochemistry
Location
Contact Department for Zoom Link
Virtual
wifi event
Date
Sep 17, 2021   12:00 pm  
Speaker
Prof. Sujatha Jagannathan, Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus
Contact
Sherry Unkraut
E-Mail
sunkraut@illinois.edu
Phone
217-333-2013
Views
63
Originating Calendar
Biochemistry Department Seminars

Abstract: Robustness in biological systems relies on quality control. While errors in the DNA are repaired to maintain fidelity in the flow of genetic information, errors in mRNA are dealt with by degrading the erroneous molecules via surveillance processes such as nonsense-mediated mRNA decay (NMD). Though all mRNAs degraded by NMD follow a set of canonical rules, the converse – that every mRNA that follows the rule is subject to NMD – is not true. The long-term goal of our research program is to understand the molecular logic governing the varying efficiency in RNA quality control and its impact on gene expression, and in turn, cellular phenotypes. In this talk, I will share our findings from investigating the cause and consequence of NMD inhibition in human skeletal muscle by the myopathic transcription factor, DUX4.

 

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