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SALT LAKE CITY Researchers from the University of Utah found that temperature has a big effect on the structure of particles like SARS-CoV-2, the virus that causes COVID-19, in a new study.
Working with researchers from the University of California, Davis, the U. scientists tested how temperature and humidity affect the structure of such particles on surfaces and found even moderate temperature increases broke down the structure of the virus.
The findings were published in a Nov. 28 paper in the journal Biochemical Biophysical Research Communications.
Michael Vershinin, assistant professor in the Department of Physics & Astronomy at the University of Utah, co-authored the paper along with U. colleagues Abhianyu Sharma, Benjamin Preece, Heather Swann, and Saveez Saffarian. Vershinin told KSL.com the study has earned national and international attention since it was published.
Coronavirus May Never Be Eradicated: Fauci
As winter is lashing the northern hemisphere, public health officials are apprehensive as to how the seasonal shift will impact the spread of SARS-CoV-2, the virus that causes COVID-19. A study of individual particle degradation of coronavirus confirms a potential surge of COVID-19 infections in the winter.
The study tested how temperatures and humidity affect the structure of individual SARS-Cov-2 virus-like particles on surfaces and found that just moderate temperature increase has brokedn down the virus structure, while humidity had very little impact.
To survive, the SARS-Cov-2 membrane needs a specific web of proteins arranged in a particular order and when it falls apart, it becomes less infectious. The findings suggest that in winter when temperatures drop, coronavirus remains infectious longer.
HOUSTON: Scientists have used virus-like particles to predict how environmental factors affect the survival of the novel coronavirus on surfaces, and found that the COVID-19 virus may remain infectious longer as temperatures drop in winter.
According to the study, published in the journal Biochemical and Biophysical Research Communications, virus-like particles, or VLPs, faithfully mimic the external structure of the SARS-CoV-2 virus. The researchers from the University of Utah in the US said the VLPs are empty shells made of the same lipids and three types of proteins as present in an active SARS-CoV-2 virus, but without its genetic material RNA that causes infections.