Article
Phytochrome-interacting transcription factors PIF4 and PIF5 induce leaf senescence in Arabidopsis.
Nature communications - 14 Aug 2014
Sakuraba Yasuhito, Jeong Jinkil, Kang Min-Young, Kim Junghyun, Paek Nam-Chon, Choi Giltsu
Abstract excerpt
Plants initiate senescence to shed photosynthetically inefficient leaves. Light deprivation induces leaf senescence, which involves massive transcriptional reprogramming to dismantle cellular components and remobilize nutrients. In darkness, intermittent pulses of red light can inhibit senescence, likely via phytochromes. However, the precise molecular mechanisms transducing the signals from light perception to...
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