ScienceDaily — Like a band of detectives surveying the movement of a criminal, researchers using photographic technology have caught at least one culprit in the act.In this case, electron microscopy was used to watch a deadly bacteria breakdown cell walls in wine grape plants -- an image that previously had not been witnessed. The study will be published in Botany. "Basically, we've been interested in determining how the bacteria moves," said Dr. B. Greg Cobb, Texas AgriLife Research plant physiologist in College Station. "How do they go from one part of the plant to another?"