nucleoside

A Nobel Discovery

by Gertrud U. Rey On October 2nd, 2023, the Nobel Assembly at Karolinska Institutet announced the award of the 2023 Nobel Prize in Physiology or Medicine to Katalin Karikó and Drew Weissman. The decision was based on a series of fundamental discoveries that led to the development of the COVID-19 messenger RNA (mRNA) vaccines. Katalin …

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A cell protein that synthesizes an antiviral ribonucleotide

3 Comments / Basic virology, Information / By Vincent Racaniello

Some antiviral drugs, like acyclovir for treatment of herpes simplex virus infections, are chain terminators that block RNA or DNA synthesis. They are modified nucleotides that can be incorporated into a growing RNA strand, but no additional nucleotides can be added. Amazingly, a cell protein has been found that can synthesize antiviral chain terminators.

nucleoside

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