Viruses can transfer genes to organisms they are not known to infect, including organisms in different domains (superkingdoms) of life, according to a study published in the journal Frontiers in Microbiology. Malik et al find that viruses and cellular organisms share a large group of genes that help cells to function, suggesting that viruses may have an ancient cell-like origin. Image credit: John Voo / CC BY 2.0. Viruses can sometimes infect very...
