Opportunity Overview
Antimicrobial drugs, such as antibiotics, antivirals and antifungals, revolutionised medicine. They are essential for fighting diseases, and make surgery and cancer therapies safer. Unfortunately, many of the microbes which these drugs fight are becoming 'resistant' and the antimicrobial drugs no longer work. Worldwide, more than 700,000 people each year die due to antimicrobial drug-resistant disease. Antimicrobial resistance (AMR) is increasing rapidly; the United Nations predicts that number of deaths due to antimicrobial drug-resistant disease may climb to as many as 10 million deaths per year by 2050 if no action is taken.
Our work focuses on AMR in Shigella bacteria. Shigella are the main cause of severe diarrhoea among children in low-and middle-income countries and also cause sexually transmissible illness in men who have sex with men. Over 200 million people become ill from Shigella each year and over 200,000 people die. There is no widely available vaccine against Shigella and, like many other bacteria, they are becoming resistant to antimicrobials. The World Health Organisation list Shigella as one of twelve priority organisms for antimicrobial resistance (AMR).
When bacteria reproduce, they typically divide into two daughter cells. The process by which AMR genes are passed from parent to daughter cells is well understood and monitored. However, many bacterial species are also able to transfer genes for AMR between different cells using mobile genetic elements (MGEs). This is called 'transmissible AMR' and - as the name suggests - involves direct transfer of genes between two bacteria. Our pilot work shows that about half of the AMR in Shigella is transmissible. We don't fully understand how MGEs move about in bacterial populations, but it is clear that some AMR-MGEs stay in bacteria which go on to cause lots of infections, while others don't.
Understanding how AMR MGEs spread amongst bacterial populations, and which MGEs will be successful is...
Our work focuses on AMR in Shigella bacteria. Shigella are the main cause of severe diarrhoea among children in low-and middle-income countries and also cause sexually transmissible illness in men who have sex with men. Over 200 million people become ill from Shigella each year and over 200,000 people die. There is no widely available vaccine against Shigella and, like many other bacteria, they are becoming resistant to antimicrobials. The World Health Organisation list Shigella as one of twelve priority organisms for antimicrobial resistance (AMR).
When bacteria reproduce, they typically divide into two daughter cells. The process by which AMR genes are passed from parent to daughter cells is well understood and monitored. However, many bacterial species are also able to transfer genes for AMR between different cells using mobile genetic elements (MGEs). This is called 'transmissible AMR' and - as the name suggests - involves direct transfer of genes between two bacteria. Our pilot work shows that about half of the AMR in Shigella is transmissible. We don't fully understand how MGEs move about in bacterial populations, but it is clear that some AMR-MGEs stay in bacteria which go on to cause lots of infections, while others don't.
Understanding how AMR MGEs spread amongst bacterial populations, and which MGEs will be successful is...
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Start FreeSolicitation Details
| Issuing agency | MRC |
|---|---|
| Country | United Kingdom |
| Category | Research Development |
| Published | January 01, 2024 |
| Procurement stage | Active solicitation |
| Response due | December 31, 2026 |
| Status | Open — accepting responses |
| Official source | View original notice |
| Last verified | August 09, 2026 |
Source: UK Research and Innovation (UKRI) — Open Government Licence v3.0.
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