THE ROLE OF HYDRATION IN THE PHOTOTRANSFORMATION OF PHYTOCHROME |
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| Authors: | Elaine M.,Tobin ,Winslow R.,Briggs &Dagger Paul K.,Brown |
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| Affiliation: | The Biological Laboratories, Harvard University, Cambridge, Massachusetts 02138, U.S.A. |
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| Abstract: | Abstract— Changes in the visible absorption spectrum and in phototransformation of phytochrome have been found to be associated with dehydration and rehydration. These spectral properties explain the previously reported rapid appearance of phytochrome in imbibing seeds. No evidence was found for the orientation of the phytochrome chromophore in gelatin films or in preparations subjected to a shearing force. |
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