SES System (2 of 2) (IMAGE) VTT Technical Research Centre of Finland Caption VTT's SES system is a general tool for gene expression, which reduces the need for organism-specific techniques. The system's functionality has already been demonstrated in a wide range of yeast and filamentous fungus species. Credit VTT 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.