Bacteria Carrying Phage (image) Cell Press Share Print E-Mail Caption This photo shows how a novel lytic phage SW1 is carried by cells so that related bacteria may recognize each other and others may be killed so that the bacteria that carry the phage have a competitive advantage when foraging for food. Credit Sooyeon Song and Missy Hazen Usage Restrictions Credit Required. 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.