Slug of Social Amoebae (image) Université de Genève Share Print E-Mail Caption This is a slug made up of social amoebae. In red are the reactive oxygen species produced by the sentinel cells, which are necessary for the generation of DNA nets that defend the slug. Credit ©Thierry Soldati, UNIGE Usage Restrictions None Share Print E-Mail 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.