Blue-light-regulated transcription factor, Aureochrome, in photosynthetic stramenopiles

Journal of Plant Research
Fumio Takahashi

Abstract

During the course of evolution through various endosymbiotic processes, diverse photosynthetic eukaryotes acquired blue light (BL) responses that do not use photosynthetic pathways. Photosynthetic stramenopiles, which have red algae-derived chloroplasts through secondary symbiosis, are principal primary producers in aquatic environments, and play important roles in ecosystems and aquaculture. Through secondary symbiosis, these taxa acquired BL responses, such as phototropism, chloroplast photo-relocation movement, and photomorphogenesis similar to those which green plants acquired through primary symbiosis. Photosynthetic stramenopile BL receptors were undefined until the discovery in 2007, of a new type of BL receptor, the aureochrome (AUREO), from the photosynthetic stramenopile alga, Vaucheria. AUREO has a bZIP domain and a LOV domain, and thus BL-responsive transcription factor. AUREO orthologs are only conserved in photosynthetic stramenopiles, such as brown algae, diatoms, and red tide algae. Here, a brief review is presented of the role of AUREOs as photoreceptors for these diverse BL responses and their biochemical properties in photosynthetic stramenopiles.

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Citations

Feb 11, 2016·Journal of Plant Research·Sam-Geun Kong, Koji Okajima
Jul 13, 2016·The Journal of Physical Chemistry. B·Yuki AkiyamaMasahide Terazima
Mar 1, 2017·Plant, Cell & Environment·Deqiang DuanmuJ Clark Lagarias
Oct 29, 2018·Protoplasma·Karl J NiklasStuart A Newman
Feb 17, 2018·Biophysics and Physicobiology·Yoichi Nakatani, Osamu Hisatomi
Mar 9, 2017·Journal of Plant Research·Nana KinoshitaTaizo Motomura
Aug 30, 2018·Biochemical Society Transactions·Vasco Giovagnetti, Alexander V Ruban
Mar 7, 2021·Journal of Plant Physiology·Xiaoqi YangDelin Duan
Aug 30, 2018·The Journal of Physical Chemistry. B·Hiroyuki TsukunoHiroyuki Mino
Jan 23, 2018·The Journal of Physical Chemistry. B·Yusuke NakasoneMasahide Terazima
Dec 16, 2021·Science Advances·Joan S Font-MuñozGotzon Basterretxea

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