Viruses are among the smallest living things on Earth. Small but dangerous since they carry pathogens that cause common infections. These parasites infect cells and are caught by contagion, through direct or indirect contact with an already infected individual. They may be omnipresent on Earth, but we still know very little about them at present. But the development of artificial intelligence is accelerating research in this area. In a new study published on October 9 in the journal Cellresearchers reveal they have discovered 70,500 new ribonucleic acid (RNA) viruses using AI. Many of them would be “bizarre”, completely different from what we know. For their work, the researchers used a tool called ESMFold (developed by Meta). The latter allowed them to examine protein structure prediction. That is to say: guess the 3D shape of a protein from its mixture of amino acids. This shape determines how it will function in the body. Using a “metagenomics” method which involves analyzing all the genomes of an environment without isolating each virus, scientists have discovered new RNA viruses. To identify them, they trained the AI to identify a part of their genome producing the RdRp protein, necessary for copying their RNA. By spotting (…)
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