Shawn Christensen, microbiology doctoral student (IMAGE) University of California - Davis Caption Shawn Christensen is first author of a study showing that common floral bacteria can induce pollen germination. Credit Abby Ray Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.