Rewritten genetic code allows bacteria to fend off viral attacks
By partially rewriting the genetic code in bacteria, two groups of researchers have found they can thwart invading viruses, which must hijack the microbes’ genetic machinery to replicate. … Such recoding might help prevent viral outbreaks in factories that use bacteria to churn out drugs or other products. … The bacteria could also help biologists study the evolution of the genetic code itself, says synthetic biologist Chang Liu, [professor of biomedical engineering] of the University of California, Irvine.