Transgenic Fruit Fly (IMAGE) Stockholm University Caption This is a transgenic fruit fly expressing green fluorescent protein in the liver-like fat body -- the main target of corazonin. Credit Image by Meet Zandawala Usage Restrictions Creative commons 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.