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Specialised Ribosomes – Does KSHV modulate ribosome composition (360G-Wellcome-203826_Z_16_A)

Historically, ribosomes have been viewed as unchanged homogeneous units with no intrinsic regulatory capacity for mRNA translation. Recent research is shifting this paradigm of ribosome function to one where ribosomes may exert a regulatory function or specificity in translational control. Emerging evidence has identified heterogeneity of ribosome composition in specific cell populations, leading to the concept of specialised ribosomes. Specialised ribosomes may therefore exhibit control and regulation over the translation of specific mRNAs, resulting in a substantial impact on how the genomic template is translated into functional proteins. Due to the emerging concept that cells can control the composition of ribosomes to regulate protein expression, it would seem highly likely that viruses could also manipulate host cell ribosome compositions to enhance the production of viral proteins. We have quantitative proteomic and ribosomal profiling data suggesting Kaposi's sarcoma-associated herpesvirus (KSHV) manipulates ribosomal biogenesis. Firstly, we will investigate changes in composition and stoichiometry of proteins within the ribosome, driven by KSHV. We will isolate ribosomal complexes by tandem affinity purification, during KSHV infection and analyse changes by LC-MS/MS and cryo-EM. We will elucidate how these changes exert ribosome-mediated specificity to promote KSHV lytic infection using a number of cellular and molecular techniques.

£0

30 Sep 2018

Grant details
Amount Awarded 0
Applicant Surname Murphy
Approval Committee Internal Decision Panel
Award Date 2018-09-30T00:00:00+00:00
Financial Year 2017/18
Grant Programme: Title PhD Studentship (Basic)
Internal ID 203826/Z/16/A
Lead Applicant Mr James Murphy
Planned Dates: End Date 2020-09-30T00:00:00+00:00
Planned Dates: Start Date 2017-10-01T00:00:00+00:00
Recipient Org: Country United Kingdom
Region Yorkshire and the Humber
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