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Galactinol Regulates JA Biosynthesis to Enhance Tomato Cold Tolerance
Journal of Agricultural and Food ChemistryLow temperatures can inhibit plant growth and development and reduce fruit yield. This study demonstrated that the expression of AnGolS1 from Ammopiptanthus nanus (A. nanus) encoding a galactinol synthase enhanced tomato cold tolerance. In AnGolS1-overexpressing plants, the jasmonic acid (JA) biosynthesis substrates 13-hydroperoxylinolenicacid and 12 ...
Yudong Liu, Li Zhang, Huidong Zhang
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Localization of galactinol, raffinose, and stachyose synthesis in Cucurbita pepo leaves
Planta, 1992The biochemical pathway of stachyose synthesis was localized by immunocytochemical and (14)C-labeling techniques in mature Cucurbita pepo L. leaves. Galactinol synthase (GaS; EC 2.4.1.123), the first unique enzyme in this pathway, was immunolocalized within the intermediary cells of minor veins in conventionally fixed and cryo-fixed, resin-embedded ...
D U, Beebe, R, Turgeon
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Biochemical and Biophysical Research Communications
The Raffinose Family of Oligosaccharides (RFOs), including Galactinol, Raffinose, and Stachyose, are pivotal carbohydrates with significant roles in abiotic stress tolerance and growth within dynamic environments. Plant development is profoundly influenced by light, a major environmental signal.
Avriti Ranjan +3 more
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The Raffinose Family of Oligosaccharides (RFOs), including Galactinol, Raffinose, and Stachyose, are pivotal carbohydrates with significant roles in abiotic stress tolerance and growth within dynamic environments. Plant development is profoundly influenced by light, a major environmental signal.
Avriti Ranjan +3 more
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Glycosyl Imidates, 78. An Efficient Synthesis of Galactinol and Isogalacatinol
Liebigs Annalen, 1997Abstract2:3,4:5‐Di‐O‐cyclohexylidene‐D‐/L‐myo‐inositol (2) could be readily converted into 6‐O‐ and 1‐O‐unprotected L‐ and D‐myo‐inositol derivatives L‐ and D‐4 and L‐ and D‐6, respectively. Their reaction with trichloroacetimidate 7 as galactosyl donor in the presence of tin(II) trifluoromethanesulfonate as catalyst afforded the desired α(1–6)‐ and α ...
Thomas G. Mayer, Richard R. Schmidt
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Functional analysis of the 5′ regulatory region of the maize GALACTINOL SYNTHASE2 gene
Plant Science, 2013Maize (Zea mays) GALACTINOL SYNTHASE (GolS) is a key enzyme in the raffinose biosynthetic pathway. We have previously characterized the maize GolS2 (ZmGolS2) gene as heat shock induced in maize germinating seeds and cultured cells. Here we report the identification, isolation and characterization of the 1.5Kb, 5' regulatory region of the ZmGolS2 gene ...
Lei, Gu +4 more
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Arabidopsis galactinol synthases 1 (AtGOLS1) negatively regulates seed germination
Plant Science, 2018Seed germination begins the growth phases of plants and its rate is affected not only by plant hormones, including abscisic acid (ABA), gibberellin (GA) and brassinosteroids (BRs), but also by environmental factors. In this study, we searched for additional chemical reagents that affect seed germination, using the det2-1 and ga1-3 mutants that showed ...
Ji-Hye, Jang +5 more
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Vorkommen und verbreitung von galactinol in blättern höherer pflanzen
Phytochemistry, 1967Zusammenfassung Aus dem Extrakt von 2 kg Blattern von Lamium maculatum wurden durch Trennung an einer Kohle-Celite-Saule 1,72 g Galactinol isoliert und kristallisiert. Die quantitative Bestimmung des Galactinols und verschiedener Oligosaccharide zeigte, das Galactinol in ahnlicher Menge in den Blattern vorkommt wie Raffinose und Stachyose.
M. Senser, O. Kandler
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Winter induction of the galactinol synthase gene is associated with endodormancy in chestnut trees
Trees, 2013From the start of autumn and throughout winter dormancy, starch stored in the stems and buds of woody plants is broken down into oligosaccharides, mainly raffinose family oligosaccharides (RFOs). Given that RFO synthesis protects plants against winter cold, the enzyme galactinol synthase (catalyzing the first step in RFO synthesis) could play an ...
Cristian Ibáñez +5 more
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Journal of Experimental Botany
Abstract Galactinol synthase (GolS), which catalyses the synthesis of galactinol, is the first critical enzyme in the biosynthesis of raffinose family oligosaccharides (RFOs) and contributes to plant growth and development, and resistance mechanisms. However, its role in fruit development remains largely unknown.
Huidong Zhang +8 more
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Abstract Galactinol synthase (GolS), which catalyses the synthesis of galactinol, is the first critical enzyme in the biosynthesis of raffinose family oligosaccharides (RFOs) and contributes to plant growth and development, and resistance mechanisms. However, its role in fruit development remains largely unknown.
Huidong Zhang +8 more
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On the Structure of Galactinol
Journal of the American Chemical Society, 1953Elvin A. Kabat +3 more
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