Green Plants Share Bacterial Toxin

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Green fluorescence shows lipid A previously known only as a toxin from bacteria in leaves from pea seedlings. ((Peter ArmstrongUC Davis photo)
Green fluorescence shows lipid A, previously known only as a toxin from bacteria, in leaves from pea seedlings. ((Peter Armstrong/UC Davis photo)

A toxin that can make bacterial infections turn deadly is also found in higher plants, researchers at UC Davis, the Marine Biology Laboratory at Woods Hole, Mass. and the University of Nebraska have found. Lipid A, the core of endotoxin, is located in the chloroplasts, structures that carry out photosynthesis within plant cells.


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