Abstract
IT has been known for more than 10 years that there are two light-induced electron paramagnetic resonance (EPR) signals in plants. A recent review has summarized what is known about them1. My purpose here is to characterize in a preliminary way a hitherto unreported light-induced EPR signal in Anacystis nidulans, which I name signal III. This signal can readily be distinguished from the other two signals. I do not know why nobody has detected it before, but it is real, and its source is being investigated.
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References
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WEAVER, E. New Light-induced EPR Signal in Anacystis nidulans. Nature 226, 183–184 (1970). https://doi.org/10.1038/226183a0
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DOI: https://doi.org/10.1038/226183a0
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