Salmonella Infection and Clearance (image) Goethe University Frankfurt Caption Scheme of Salmonella infection and clearance via autophagy pathway. The critical intracellular signals are ubiquitin that decorates Salmonella and Optineurin that acts as an autophagy receptor critical for targeting of Salmonella to the degradation in the lysosome. Credit Ivan Dikic Usage Restrictions None 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.