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Ectromelia Virus Encodes A Novel Family Of Ankyrin/F-box Proteins That Manipulate The SCF Ubiquitin Ligase And NF-κB Activation
DownloadSpring 2012
Ectromelia virus (ECTV) is the causative agent of lethal mousepox, and is highly related to the human pathogen, variola virus, the causative agent of smallpox. Poxviruses contain large dsDNA genomes that encode numerous open reading frames that manipulate cellular signalling pathways. We used...
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Fall 2024
DNA serves as a detailed blueprint for cellular functions, but continuous exposure to damaging agents poses a threat to genomic stability, especially through DNA double-strand breaks. Cells utilize two main repair pathways, non-homologous end joining (NHEJ) and homologous recombination (HR), to...
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Investigating the Functional Consequences of the Interaction Between Engineered Ubiquitin Variants and the Salmonella Novel E3 Ligase SspH1
DownloadFall 2024
During infection some pathogenic gram-negative bacteria, such as Salmonella, manipulate the host ubiquitination system through the delivery of secreted effectors known as novel E3 ubiquitin ligases (NELs). Despite the presence of NELs amongst these well-studied bacterial species, their unique...
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Fall 2017
The information contained in our genome is essential for the proper functioning of different physiological processes in cells that are required for our growth and survival, making the maintenance of genome integrity a task of utmost priority. Our cells have evolved a highly elaborate, complex and...
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Spring 2013
K63-linked polyubiquitin is synthesized by the E2 Ubc13, and plays non-degradative roles in immunity and the DNA damage response, yet a full molecular understanding of its synthesis and subsequent recognition remains incomplete. Although previously considered a slow enzyme, we demonstrate that...
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Fall 2010
The significance of poxvirus manipulation of the host ubiquitin proteasome system has become increasingly apparent. Ubiquitin is post-translationally added to target proteins by a highly conserved enzymatic cascade, typically resulting in protein degradation via the 26S proteasome. The highly...