grant

GENETIC ANALYSIS OF POLYSACCHARIDE CAPSULE BIOSYNTHESIS AND REGULATION IN STREPTOCOCCUS PNEUMONIAE [ 2001 - 2003 ]

Also known as: PNEUMOCOCCAL CAPSULE SYNTHESIS AND REGULATION

Research Grant

[Cite as https://purl.org/au-research/grants/nhmrc/157923]

Researchers: Prof James Paton (Principal investigator) ,  A/Pr Renato Morona

Brief description Streptococcus pneumoniae (the pneumococcus) is an important cause of invasive diseases such as pneumonia, meningitis and bacteraemia in humans. Many people carry this organism in the nasopharynx asymptomatically. However, in a small proportion, the organism overcomes host defences and invades the body causing life-threatening disease. An essential virulence factor of the pneumococcus is the polysaccharide capsule which protects it from the immune defences of the host during an infection. Until recently, very little was known of the pneumococcal genes involved in production of this antigen. This project aims to continue characterization of these genes, and examination of the factors which regulate their expression. This regulatory mechanism may be very important, because production of increased levels of the polysaccharide capsule is believed to be an crucial step in the transition from carriage to invasion. An understanding of the molecular events involved in biosynthesis and regulation of capsule production will improve our understanding of the disease process and identify alternative targets for antimicrobial therapy.

Funding Amount $AUD 377,036.72

Funding Scheme NHMRC Project Grants

Notes Standard Project Grant

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