Caixas de petri com bactérias (IMAGE) Instituto Gulbenkian de Ciencia Caption Caixas de petri com bactérias. Credit Roberto Keller Usage Restrictions This image can only be used to illustrate news from Instituto Gulbenkian de Ciência. 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.