Dr Chris Brown (IMAGE) University of Otago Caption Dr Chris Brown uses research software developed at the University of Otago to analyse CRISPR defence systems in bacterial genomes. The results contributed to a recent study published in Nature on bacteria-virus interactions shown in the centre of the screen. Credit University of Otago Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.