Evolution And Function Of A Novel Lateral Flagellar Locus, Flag-2, In Pathogenic Escherichia Coli
Funder
National Health and Medical Research Council
Funding Amount
$465,158.00
Summary
This project will study how the bacteria that cause infant diarrhoea colonize the intestine and induce disease. We have identified a novel genetic region that allows E. coli to survive and persist in the intestine. Similar genes are also present in closely related organisms. This project will help us to undestand how new diseases evolve and emerge and may lead to the development of new vaccines to protect against infant diarrhoea.
A Cluster Randomised Controlled Trial Of Selective Decontamination Of The Digestive Tract In Critically Ill Patients
Funder
National Health and Medical Research Council
Funding Amount
$4,113,393.00
Summary
Sepsis is the most common cause of death in intensive care patients. Selective Decontamination of the Digestive Tract (SDD) is a treatment to reduce the risk of infection and improve survival for these patients. Many trials suggest SDD works but there has not been widespread uptake due to concerns that SDD will increase antibiotic resistance.rates. This trial will provide a definitive answer. If SDD reduces mortality without increasing antibiotic resistance, the study will have a global impact.
Use Of Statistical And Mathematical Models To Investigate Infectious Disease Transmission Dynamics To Better Inform Control Measures In Hospitals And The Community
Funder
National Health and Medical Research Council
Funding Amount
$408,388.00
Summary
Globally tuberculosis infects over 9 million people yearly. In low incidence countries TB is re-emerging, with HIV, drug resistance and migration driving this. Australia needs to examine the transmission of TB within our country and The Asia-Pacific region. This proposal will quantify the risk for importation of highly drug resistant TB into Australia and assess the factors that lead to outbreaks. Models will be informative for Australian TB policy development and contribute to regional and glob ....Globally tuberculosis infects over 9 million people yearly. In low incidence countries TB is re-emerging, with HIV, drug resistance and migration driving this. Australia needs to examine the transmission of TB within our country and The Asia-Pacific region. This proposal will quantify the risk for importation of highly drug resistant TB into Australia and assess the factors that lead to outbreaks. Models will be informative for Australian TB policy development and contribute to regional and global efforts for TB control.Read moreRead less
Pathogenomics: New Ways To Exploit Genome Sequence Data From Pathogenic Bacteria.
Funder
National Health and Medical Research Council
Funding Amount
$547,372.00
Summary
Bacterial pathogens are locked in an evolutionary battle of survival with their eukaryote hosts. The rapidly evolving genes of medically-important pathogens are generally those required for adaptation to the human host. This project aims to exploit the abundance of available bacterial genome sequences to predict rapid evolution in bacterial pathogens using computational methods. The protein products of such genes offer novel targets for therapeutic intervention.
Bacterial Pathogenomics: Whole-genome Sequencing To Investigate Infection Transmission, Pathogenesis And Antibiotic Resistance
Funder
National Health and Medical Research Council
Funding Amount
$475,946.00
Summary
As bacterial superbugs – resistant to multiple antibiotics – dominate the headlines, the pipeline for new antibiotics has all but dried up. High-throughput DNA sequencing heralds a golden opportunity for infectious disease research. By studying the entire collection of genes - the genome - of large numbers of multidrug resistant bacterial strains, we aim to better understand the genetic changes that govern the emergence and global spread of superbugs and translate these findings into the clinic.
Infectious pathogens invade cells by hijacking cellular pathways, termed endocytosis, that normally internalise material from outside the cell. We will identify the molecular details of these pathways and how they are modulated in response to infection with Salmonella, a leading cause of human gastroenteritis. Such studies are necessary in order to understand host-pathogen interactions so that treatments can be developed targeting the symptoms of infection
This program will investigate the strategies used by pathogenic bacteria to cause human diseases. The research will focus on how bacteria initiate infections, how they invade, cause cell and tissue damage and respond to their human host. It will also examine how the host’s innate immune system interacts with these bacteria. The results will provide new insights into host-pathogen interactions and reveal new targets for the development of novel antibacterial drugs and vaccines.
Understanding the basic biology of cells will allow us to pinpoint key mechanisms and molecules that underpin multiple diseases and are targets for treatments. The broad aims of this research program include the development of new therapies for chronic inflammatory diseases, understanding how proteins are sorted and trafficked inside cells in processes that are essential to immunity and cancer biology, and identifying new intracellular targets to block bacterial invasion and infectious diseases.