The London Telegraph reports that blue roses will be avaliable in about a year. "The discovery was made by chance by two biochemists conducting research into drugs for cancer and Alzheimers in a medical laboratory at Vanderbilt University, Nashville, Tennessee.
Professor Peter Guengerich and Dr Elizabeth Gillam were trying to find out how the human liver breaks down drugs when they came across a liver enzyme that had a startling effect.
When we moved a liver enzyme into a bacterium, the bacterium turned blue, Dr Guengerich said. "We were aware that there were people in the world who had been interested in making coloured flowers, especially a blue rose, for a number of years." (Via