K
Kiyoon Kang
Researcher at Seoul National University
Publications - 49
Citations - 1989
Kiyoon Kang is an academic researcher from Seoul National University. The author has contributed to research in topics: Genetically modified rice & Biology. The author has an hindex of 19, co-authored 41 publications receiving 1635 citations. Previous affiliations of Kiyoon Kang include Chonnam National University & Michigan State University.
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Characterization of rice tryptophan decarboxylases and their direct involvement in serotonin biosynthesis in transgenic rice.
TL;DR: The ectopic expression of the three cDNA clones in rice led to the abundant production of the products of the encoded enzymes, tyramine and tryptamine, and the overproduction of TYDC resulted in stunted growth and a lack of seed production due to tyramines accumulation, which increased as the plant aged.
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Enhanced production of melatonin by ectopic overexpression of human serotonin N-acetyltransferase plays a role in cold resistance in transgenic rice seedlings
TL;DR: Experiments using both exogenous treatment of serotonin and senescent detached leaves, which contain a pool of serotonin, significantly enhancedmelatonin biosynthesis, indicating that endogenous serotonin levels play a bottleneck role in the pathway of melatonin biosynthetic.
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Senescence-Induced Serotonin Biosynthesis and Its Role in Delaying Senescence in Rice Leaves
TL;DR: It is found that serotonin is greatly accumulated in rice leaves undergoing senescence induced by either nutrient deprivation or detachment, and its synthesis is closely coupled with transcriptional and enzymatic induction of the tryptophan biosynthetic genes as well as tryPTophan decarboxylase (TDC).
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Molecular cloning of rice serotonin N-acetyltransferase, the penultimate gene in plant melatonin biosynthesis
TL;DR: The results suggest that ASMT rather than SNAT is the rate‐limiting enzyme of melatonin biosynthesis in plants, the terminal enzyme in melatonin synthesis.
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Molecular cloning of a plant N‐acetylserotonin methyltransferase and its expression characteristics in rice
TL;DR: Induction patterns of ASMT mRNA were well matched with the production of melatonin in rice leaves during senescence, as well as several stressors, and ASMT enzyme activity was inhibited by various related compounds.