Vav-1 Expression in a Worm (IMAGE) Genetics Society of America Caption This is a salse-color image of live transgenic Caenorhabditis elegans expressing VAV-1 fused with a fluorescent protein. VAV-1 is found in a restricted number of sites in worms (pink areas), including a single neuron involved in regulating sleep. Credit Image courtesy of Amanda Fry and Ken Norman. 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.