Evolutionary changes in a key protein synthesis enzyme, isoleucyl-tRNA synthetase (IleRS), may help bacteria fine-tune how quickly proteins are made, report researchers from Institute of Science Tokyo, Japan; the University of Zagreb Faculty of Science, Croatia; and ETH Zürich, Switzerland.
Source: [Phys.org](https://phys.org/news/2026-10-evolutionary-key-enzyme-bacteria-proteins.html)