Structural Biology Center for HIV/Host Interactions in Trafficking and Assembly

$4,497,210P50FY2012GMNIH

University Of Utah, Salt Lake City UT

Investigators

Linked publications & trials

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Abstract

DESCRIPTION (provided by applicant): Our Center for the Structural Biology of Cellular Host Elements in Egress, Trafficking, and Assembly of HIV (CHEETAH) studies the structural biology of HIV-Host interactions involved in viral trafficking and assembly (as broadly defined). Our biological studies will focus on the structural biology, biochemistry, cell biology and molecular virology of five key aspects of the HIV-1 life cycle: 1) Reverse transcription and preintegration complex transformations and trafficking, 2) TRIM5a restriction, 3) Rev-dependent DEAD-box helicase transformations, 4) Virion assembly and budding, and 5) Virion structure, energetics and maturation. In each case, we aim to understand: 1) The molecular machines that drive these events, 2) The mechanisms by which host pathways are recruited and utilized, and 3) The underlying viral and cellular structures. In parallel, we will pursue technological developments in four different areas that will facilitate our biological studies and are important frontiers in HIV research: 1) Single-molecule analyses of native Rev complexes, 2) Multiscale computer simulations of viral capsid structure and assembly, 3) Advances in virus imaging, and 4) Development and application of methodology for imaging HIV in tissues. The efforts of our Center will also be extended through: 1) Extensive collaborations with other PSO Centers and colleagues, and access to scientific resources within the biomedical community, 2) A Collaborative Development Program that will fund promising collaborators who will enhance and benefit from interactions with our Center, and 3) Training programs for younger scientists. Our overall goals are to lay the groundwork for development of new antiviral strategies and to continue to develop HIV into an unparalleled model system for studying how a human virus interacts with its host.

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