Assembly functions of respiratory syncytial virus matrix protein

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/292900

Funding Status
Closed

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Funded Activity Summary

Respiratory syncytial virus (RSV) is the single most important cause of lower respiratory infections (pneumonia and bronchiolitis) in young infants. In addition to the morbidity of RSV infection itself, it is well established that symptomatic RSV infection in infancy predisposes to asthma later in life. As all infants are infected by RSV at least once by age 2 yrs, this virus represents a major public health problem. Additionally, re-infection by RSV is increasingly being recognized as a cause of severe lower respiratory disease in the elderly and in immunocompromised patients. The goal of this research is to understand better the mechanisms used by RSV to replicate itself in mammalian cells. Information from this work could be used to design novel antiviral drugs to treat RSV, and novel attenuating mutations that may assist in developing live RSV vaccines. The research focuses on a key viral protein, the matrix (M) protein, which is involved in many steps in virus replication. We aim to understand how M protein interacts with other components of the virus (specifically, envelope proteins) to orchestrate virus assembly. To coordinate assembly of new virus particles, M protein binds to portions of virus envelope glycoproteins and to RSV nucleocapsids (the internal machinery of the virus), bringing them together at the cell membrane. The protein-protein interactions which are responsible for these functions of RSV M protein will be determined.

Funded Activity Details

Start Date: 01-01-2004

End Date: 01-01-2006

Funding Scheme: NHMRC Project Grants

Funding Amount: $239,250.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Applied immunology (incl. antibody engineering xenotransplantation and t-cell therapies)

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

asthma | envelope glycoprotein | matrix proteins | otitis media | pneumonia | replication | respiratory syncytial virus | virus assembly

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