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According to the press release, LSMU researchers, in cooperation with specialists from the Kaunas clinics, are continuing to sequence the coronavirus genome (genetic material) in various directions.
For the first time in Lithuania, not only human but also animal coronavirus genome sequencing data was obtained. Examination of tissue samples infected with COVID-19 disease in tissue farms in Radviliškis and Jonava districts revealed that different strains of the virus had spread on farms.
“It is likely that the virus has not spread from one farm to another, they are different strains of coronavirus,” says a researcher Lukas Žemaitis.
This mutation is unlikely to spread between humans.
An important discovery of the research group of the LSMU and Kaunas clinics is the mutation of the tissue virus infected by coronavirus F486L in the tissue farm of the Radviliškis district, which, according to the databases, predominates among the animals: tissues, bats, conifers.
“This mutation is unlikely to spread among humans,” said Arūnas Stankevičius, a researcher on the project and a professor in the Department of Anatomy and Physiology at LSMU’s College of Veterinary Medicine.
Meanwhile, a Y453F virus mutation was detected in a tissue farm in the Jonava district, which was found in a study of tissue farms in Denmark and the Netherlands. Although it is known as a “tissue mutation”, it has also been detected in human samples in Denmark and other countries.
During the same period, when samples of infected tissues were collected on the Jonava district farm, samples from Jonava residents with COVID-19 were also examined. The subjects were not agricultural workers.
An important result of this study is that no tissue-spreading viruses were detected in samples from Jonava residents.
AFP / Scanpix photo / Coronavirus in Portugal, associative photo
Researchers at the LSMU and Kaunas clinics also deliberately study samples of sick people from abroad. English strains of coronavirus of global concern have not been identified.
“So far, no rapidly spreading viruses from the UK have been detected in coronavirus samples tested in Lithuania. However, we cannot be sure that it does not exist in Lithuania, because a small number of samples have been analyzed so far. The research must be continued intensively “, says Prof. A.Stankevičius.
LSMU Vice Chancellor for Sciences prof. Vaiva Lesauskaitė stressed that this most extensive study of its kind is continuing in the Baltic States. Their results are periodically shared in the international GISAID database. Currently, 205 human and 9 tissue coronavirus genomes have been studied.
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