The roles of lipoprotein multigene families in pathogenesis of Mycoplasma pneumoniae

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/145789

Funding Status
Closed

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Funded Activity Summary

Mycoplasma pneumoniae is one of the most common causes of community acquired pneumonia. Although it can usually be successfully treated with antibiotics, it can result in more severe diseases and can be difficult to diagnose accurately. It has been identified as a target for vaccine development, but this has been hampered by the limited understanding we have of how it causes disease. The attempts at vaccination that have been made have resulted in vaccines which induced more severe, rather than less severe, disease. Investigations of several other related bacteria have shown that they are able to vary their surface proteins and thus may evade the immune system, permitting them to cause more prolonged disease. Better understanding how this occurs, and what this enables the bacteria to do, may assist in developing improved vaccine strategies. This project aims to investigate the six gene families in Mycoplasma pneumoniae which are known to encode surface proteins and establish how and why the bacteria switch from one gene to another during infection. In addition the capacity of bacteria expressing different versions of the six surface proteins to adhere to different tissues will be investigated. Once this is known, these mechanisms may be able to be specifically disrupted to prevent a strain of Mycoplasma pneumoniae from being able to establish prolonged infections. Such a strain might be a useful basis for an effective vaccine.

Funded Activity Details

Start Date: 01-01-2001

End Date: 01-01-2003

Funding Scheme: NHMRC Project Grants

Funding Amount: $257,036.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Allergy

ANZSRC Socio-Economic Objective (SEO)

There are no SEO codes available for this funding activity

Other Keywords

atypical | bacterial | community acquired | lipoprotein | mycoplasma | pathogenesis | phase variation | pneumonia | promoters

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