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Science 31 Mar 2020 Can a particle accel ...

Can a particle accelerator help design COVID-19 vaccine? Australia set to find out

AFP
Published Mar 31, 2020, 4:17 pm IST
Updated Mar 31, 2020, 4:17 pm IST
Using the technology, within five minutes one can understand why a drug does or does not attach to a COVID-19 protein, researchers said
Images combined from a 3D medical animation, depicting the shape of coronavirus as well as the cross-sectional view. Image shows the major elements including the Spike S protein, HE protein, viral envelope, and helical RNA (Photo | Wikimedia Commons - Scientificanimations.com)
 Images combined from a 3D medical animation, depicting the shape of coronavirus as well as the cross-sectional view. Image shows the major elements including the Spike S protein, HE protein, viral envelope, and helical RNA (Photo | Wikimedia Commons - Scientificanimations.com)

Sydney: Australian scientists are using the largest particle accelerator in the southern hemisphere to help fast-track the hunt for a vaccine against COVID-19, researchers said Tuesday.

The Australian Synchrotron in Melbourne uses intense X-rays emitted by electrons coursing through the accelerator to examine key proteins in the virus, programme director Andrew Peele told AFP.

 

Acting as a kind of microscope, the accelerator lets the researchers construct atomic-level 3-D maps of the proteins so they can develop drugs that bind to the virus, potentially preventing or treating the disease.

"We shine the light on the proteins and the light that scatters off them tells us where every atom in the (COVID-19) protein molecule is," Peele said.

"You need to know what the protein looks like so you can design a drug to attach to it," he added.

"It's like designing a key for a lock, you need to know the dimensions of the keyhole." Researchers from around the world have sent the Melbourne team dozens of sample of proteins which they think might bind with the COVID-19 virus in a way that could minimise or protect from the disease, Peele said.

"Using our technology, within five minutes you can understand why a drug does or doesn't work in attaching to a COVID-19 protein," Peele said, likening the process to completing a jigsaw puzzle.

The government-funded project hopes its fast-tracking technology will shorten the normal development time for effective vaccines.

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