Aston University creates world first computational reconstruction of a virus in its biological entirety

Feb 3, 2023

2 min

  • First ever computer reconstruction of a virus, including its complete native genome
  • Will open way for investigating biological processes which can’t currently be fully examined because the genome is missing
  • Could lead the way to research into an alternative to antibiotics.


An Aston University researcher has created the first ever computer reconstruction of a virus, including its complete native genome.


Although other researchers have created similar reconstructions, this is the first to replicate the exact chemical and 3D structure of a ‘live’ virus.


The breakthrough could lead the way to research into an alternative to antibiotics, reducing the threat of anti-bacterial resistance.


The research Reconstruction and validation of entire virus model with complete genome from mixed resolution cryo-EM density by Dr Dmitry Nerukh, from the Department of Mathematics in the College of Engineering and Physical Sciences at Aston University is published in the journal Faraday Discussions.


The research was conducted using existing data of virus structures measured via cryo-Electron Microscopy (cryo-EM), and computational modelling which took almost three years despite using supercomputers in the UK and Japan.


The breakthrough will open the way for biologists to investigate biological processes which can’t currently be fully examined because the genome is missing in the virus model.


This includes finding out how a bacteriophage, which is a type of virus that infects bacteria, kills a specific disease-causing bacterium.


At the moment it is not known how this happens, but this new method of creating more accurate models will open up further research into using bacteriophage to kill specific life-threatening bacteria.


This could lead to more targeted treatment of illnesses which are currently treated by antibiotics, and therefore help to tackle the increasing threat to humans of antibiotic resistance.


Dr Nerukh said: “Up till now no one else had been able to build a native genome model of an entire virus at such detailed (atomistic) level.


“The ability to study the genome within a virus more clearly is incredibly important. Without the genome it has been impossible to know exactly how a bacteriophage infects a bacterium.


“This development will now allow help virologists answer questions which previously they couldn’t answer.


“This could lead to targeted treatments to kill bacteria which are dangerous to humans, and to reduce the global problem of antibiotic-resistant bacteria which are over time becoming more and more serious.”


The team’s approach to the modelling has many other potential applications. One of these is creating computational reconstructions to assist cryo-Electron Microscopy – a technique used to examine life-forms cooled to an extreme temperature.

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Aston University: From Metformin to modern obesity therapies

Early beginnings: from herbal medicine to modern drug The origins of a modern diabetes therapy can be traced back to Galega officinalis (goat’s rue), a herb used in European folk medicine for centuries to treat excessive thirst and urination. Its active chemical, guanidine, was found to lower blood sugar in animals in 1918, inspiring the synthesis of a family of drugs known as biguanides. Among these new drugs was metformin, created in 1922 and introduced as a treatment for diabetes in Europe in the late 1950s. However, by the 1970s, metformin was largely disregarded because other biguanide medicines were being withdrawn due to their side-effect of lactic acidosis. Revival in the 1990s: Aston’s role in rediscovery In the early 1990s, research at Aston University provided a decisive turning point. 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The work by Professor Bailey and his colleagues at Aston University has contributed to metformin’s recognition as the primary treatment worldwide for type 2 diabetes. Today, at least half of all patients in Western countries are prescribed metformin — an incredibly cost-effective medicine that continues to save lives. “We identified early on that gut hormones such as GIP were central players in the control of blood glucose and body weight — long before they became the basis for today’s new generation of anti-obesity medicines.” This original research helped lay the scientific foundation for breakthrough treatments like tirzepatide, widely hailed as a game-changer in obesity and diabetes care. Aston University also contributed to the development of dapagliflozin, the first in a new class of drugs that lower blood sugar while also protecting the heart and kidneys. “Millions of people worldwide are living longer and healthier lives because of therapies that have been underpinned by research at Aston University.” Looking ahead Type 2 diabetes remains one of the world’s most pressing health challenges, affecting more than 500 million people globally. Its progressive nature demands a continual search for safer, more effective treatments. From helping rescue a nearly forgotten drug in the 1990s to shaping the next generation of therapies, Aston University’s research has left an enduring mark on clinical practice, regulation, and patient outcomes. The legacy of this work is clear: millions of people worldwide are living longer, healthier lives because of medicines that Aston helped bring to the forefront of modern diabetes and obesity care. About Cliff Bailey is Emeritus Professor of Clinical Science and Anniversary Professor at Aston University in Birmingham, England. He has served on medical and scientific committees of Diabetes UK (formerly the British Diabetic Association), Society for Endocrinology, and European Association for the Study of Diabetes. He has served as a diabetes expert for the approval of new medicines by regulatory agencies including the European Medicines Agency and NICE. His research is mainly directed towards the pathogenesis and treatment of diabetes, especially the development of new agents to improve insulin action and reduce obesity, and the therapeutic application of surrogate beta-cells. Dr Bailey has published over 400 research papers and reviews, and four books, and he is particularly known for research on metformin. References to Case Studies and Key Sources Bailey CJ et al. Metformin: Changing the Treatment Algorithm for Type 2 Diabetes. Aston University REF Impact Case Study, 2014. Bailey CJ. Metformin: Historical Overview. Diabetologia, 2017. Bailey CJ & Day C. Treatment of Type 2 Diabetes: Future Approaches. British Medical Bulletin, 2018.

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