Desat1-E Isoform Expression (IMAGE) University of Toronto Caption This image shows pheromone expression in the oenocytes of adult female and male Drosophila melanogaster. Credit Professor Joel Levine 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.