Phytochrome B Is Not Detectable in the hy3 Mutant of Arabidopsis, Which Is Deficient in Responding to End-of-Day Far-Red Light Treatments |
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| Authors: | Nagatani Akira; Chory Joanne; Furuya Masaki |
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| Institution: | 1The Laboratory of Plant Biological Regulation, Frontier Research Program, RIKEN Institute Hirosawa 2-1, Wako City, Saitama, 351-01 Japan
2Plant Biology Laboratory, The Salk Institute for Biological Studies San Diego, California 92138, U.S.A. |
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| Abstract: | Immunoblot analysis using a monoclonal antibody specific tophytochrome B (phyB) suggest that this protein is undetectablein the hy3 mutant of Arabidopsis. Photophysiological experimentsrevealed that hy3 mutants do not display end-of-day far-redgrowth responses. Thus, this particular phytochrome responseseems to be mediated in large part by phyB. (Received September 20, 1991; Accepted September 26, 1991) |
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