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Hot-spring bacteria reveal ability to use far-red light for photosynthesis
Date:8/21/2014

how this photosynthetic process works in global-scale environments where cyanobacteria may be photosynthesizing with far-red light, in order to more fully understand the global impact of photosynthesis in oxygen production, carbon fixation, and other events that drive geochemical processes on our planet," Bryant said.

The research raises questions about the possibility of introducing into plants the capacity to use far-red wavelengths for photosynthesis. But Bryant said much more basic research is required first. "Our research already has shown that it would not be enough to insert a new far-red-light-absorbing pigment into a plant unless you also have the right protein scaffolds to bind it so that it will work efficiently. In fact, it could be quite deleterious to just start sticking long-wavelength-absorbing chlorophylls into the photosynthetic apparatus," he said.

"We now have clearly established that photosynthesis can occur in far-red light, in a wavelength range where people previously did not think that oxygenic photosynthesis could take place, and we have provided details about many of the processes involved. Now there are a whole set of associated scientific questions that need to be answered about more of the details before we can begin to investigate any applications that may or may not be possible," Bryant said. "Our research has opened up many new questions for basic scientific research."


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Contact: Barbara K. Kennedy
science@psu.edu
814-863-4682
Penn State
Source:Eurekalert  

Page: 1 2 3

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