MPMI Cover (IMAGE) American Phytopathological Society Caption This work provides another example of how plant hormones can be used by microbes as an environmental cue, which seems to be emerging as a common strategy as scientists learn more about how pathogens and parasites sense their plant hosts. Credit APS 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.