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Giltsu Choi

Researcher at KAIST

Publications -  77
Citations -  8736

Giltsu Choi is an academic researcher from KAIST. The author has contributed to research in topics: Arabidopsis & Phytochrome. The author has an hindex of 40, co-authored 71 publications receiving 7316 citations.

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NDP kinase 2 interacts with two oxidative stress-activated MAPKs to regulate cellular redox state and enhances multiple stress tolerance in transgenic plants.

TL;DR: It is shown that NDPK is associated with H2O2-mediated mitogen-activated protein kinase signaling in plants, and constitutive overexpression of AtNDPK2 in Arabidopsis plants conferred an enhanced tolerance to multiple environmental stresses that elicit ROS accumulation in situ.
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Decoding of Light Signals by Plant Phytochromes and Their Interacting Proteins

TL;DR: This review summarizes plantphytochromes, phytochrome-interacting proteins, and signal transmission from phy tochromes to their interacting proteins.
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PIL5, a Phytochrome-Interacting bHLH Protein, Regulates Gibberellin Responsiveness by Binding Directly to the GAI and RGA Promoters in Arabidopsis Seeds

TL;DR: Together, the results show that light signals perceived by phytochromes cause a reduction in the PIL5 protein level, which in turn regulates the transcription of two DELLA genes directly and that of GA and ABA metabolic genes indirectly.
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Phytochromes promote seedling light responses by inhibiting four negatively-acting phytochrome-interacting factors

TL;DR: It is shown that PIF3 also negatively regulates chlorophyll biosynthesis by repressing biosynthetic genes in the dark and 4 phytochrome-interacting proteins are required for skotomorphogenesis and phy tochromes activate photomorphogenesis by inhibiting these factors.
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PIL5, a phytochrome-interacting basic helix-loop-helix protein, is a key negative regulator of seed germination in Arabidopsis thaliana.

TL;DR: It is reported here that the PIF3-like 5 (PIL5) protein, a basic helix-loop-helix transcription factor, is a key negative regulator of phytochrome-mediated seed germination, and the data identify PIL5 as the first Phy-interacting protein that regulates seed Germination.