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Evolutionary diversification of galactinol synthases in Rosaceae: adaptive roles of galactinol and raffinose during apple bud dormancy [PDF]
Journal of Experimental Botany, 2018 Galactinol synthase (GolS) is a key enzyme in the biosynthetic pathway of raffinose family oligosaccharides (RFOs), which play roles in carbon storage, signal transduction, and osmoprotection. The present work assessed the evolutionary history of GolS genes across the Rosaceae using several bioinformatic tools. Apple (Malus × domestica) GolS genes were
Vitor Da Silveira Falavigna +2 more
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Industrial Crops and Products, 2021
Abstract Plants respond to abiotic stress through a series of transcriptional profile and metabolic process modifications through signaling events. Raffinose family oligosaccharides (RFOs) play a role in the regulatory mechanisms of abiotic stress tolerance and are catalyzed by the key enzyme, galactinol synthase (GolS), in plants.
Ling Liu +6 more
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Abstract Plants respond to abiotic stress through a series of transcriptional profile and metabolic process modifications through signaling events. Raffinose family oligosaccharides (RFOs) play a role in the regulatory mechanisms of abiotic stress tolerance and are catalyzed by the key enzyme, galactinol synthase (GolS), in plants.
Ling Liu +6 more
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Biosynthesis of galactinol by lactose synthetas
International Journal of Biochemistry, 19821. myo-Inositol was galactosylated by UDP-galactose in the presence of alpha-lactalbumin plus rat mammary Golgi membranes enriched in galactosyltransferase (EC 2.4.1.22). 2. The isolated product migrated on GLC as two peaks of material, apparently identical to galactinol (galactosylinositol) isolated from rat milk. 3. These findings make it likely that
M D, White, S, Ward, N J, Kuhn
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Two galactinol synthases contribute to the drought response of Camellia sinensis
Planta, 2023CsGolS2-1 and CsGolS2-2 are involved in the transcriptional mechanism and play an important role in the drought response of tea plants. GolS is critical for the biosynthesis of galactinol and has been suggested to contribute to drought tolerance in various plants. However, whether GolS plays a role in drought response and the underlying transcriptional
Yezi, Xiao +8 more
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Production of Galactinol from Sucrose by Plant Enzymes
Bioscience, Biotechnology and Biochemistry, 2003 Galactinol, 1-O-(alpha-D-galactopyranosyl)-myo-inositol, was produced from sucrose as a starting material. UDP-Glc was prepared with sucrose and UDP using sucrose synthase partially purified from sweet potato roots. Then, the UDP-Glc was converted to UDP-Gal using yeast UDP-Gal 4-epimerase from a commercial source. Finally, galactinol was produced from
WAKIUCHI, Nariaki +2 more
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Identification of galactinol in potato tubers
Potato Research, 1969An oligosaccharide detected by gas chromatography of trimethylsilyl derivatives of potato extracts has been isolated and identified as galactinol, 1-0-α-D-galactopyranosyl-(1R)-myo-inositol. Galactinol was not detected in freshly harvested tubers, but 0.1% was found in cold-stored tubers.
R. Pressey, R. Shaw
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Isolation and identification of galactinol from castor oilseed meal
JAOCS, Journal of the American Oil Chemists' Society, 1992Galactinol, 1‐O‐α‐D‐galactopyranosyl‐D‐myo‐inositol, is an essential intermediate in the biosynthesis of raffinose saccharides in plant tissues. The unavailability of a commercial source for this metabolite has hindered research on raffinose saccharide metabolism to date.
Tsung Min Kuo
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Galactinol synthase across evolutionary diverse taxa: Functional preference for higher plants? [PDF]
FEBS Letters, 2012 Galactinol synthase (GolS), a GT8 family glycosyltransferase, synthesizes galactinol and raffinose series of oligosaccharides (RFOs). Identification and analysis of conserved domains in GTs among evolutionarily diverse taxa, structure prediction by homology modeling and determination of substrate binding pocket followed by phylogenetic analysis of GolS
Sonali Sengupta +2 more
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Isolation of galactinol from leaves of Cucumis sativus
Plant Science, 1987Abstract A simple procedure for the isolation of galactinol from leaves of Cucumimis sativus L. has been developed. The procedure yielded approx. 60% of the galactinol originally present in leaves with an apparent purity of 97%. Gas chromatographic and mass spectral analysis indicated that the compound was identical to galactinol isolated from ...
D.M. Pharr +4 more
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Galactinol in the leaves of the resurrection plant Boea hygroscopica
Phytochemistry, 1999Abstract The content of low molecular weight substances was analysed in leaf samples of the resurrection plant Boea hygroscopica F. Muell. submitted to dehydration. Drying treatment caused a variation in the carbohydrate pool, with a decrease of all sugars except sucrose which notably increased, becoming the prevalent one in dried leaves ...
Franca Marinone Albini +6 more
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