Figure 1. Bartonella angiogenic factor A (IMAGE) Fujita Health University Caption This study identifies the molecular mechanism by which Bartonella bacteria cause lesions to appear over a patient's body. Credit Kentaro Tsukamoto 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.