GDP-L-galactose sodium salt - CAS 6815-91-4
Category: Carbohydrates
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Guanosine 5-diphosphate-L-galactose
1.Overexpression of tomato GDP-L-galactose phosphorylase gene in tobacco improves tolerance to chilling stress.
Wang L1, Meng X, Yang D, Ma N, Wang G, Meng Q. Plant Cell Rep. 2014 Sep;33(9):1441-51. doi: 10.1007/s00299-014-1627-2. Epub 2014 May 16.
KEY MESSAGE: The overexpression of tomato GDP- l -galactose phosphorylase gene enhanced tolerance to chilling stress and reduced photoinhibition of photosystems I and II in transgenic tobacco. Chilling stress is a crucial factor that limits the geographical distribution and yield of chilling-sensitive plants. Ascorbate (AsA) protects plants by scavenging reactive oxygen species and reduces photoinhibition by promoting the conversion of violaxanthin to zeaxanthin in the xanthophyll cycle to dissipate excess excitation energy. Possible mechanisms of AsA for plant photoprotection under chilling stress were investigated by isolating the tomato GDP-L-galactose phosphorylase gene (SlGGP) and producing transgenic tobacco plants with overexpression of SlGGP. The transgenic plants subjected to chilling stress accumulated less H(2)O(2), demonstrated lower levels of ion leakage and malondialdehyde, and acquired higher net photosynthetic rate, higher maximum photochemical efficiency of PSII, and higher D1 protein content compared with the wild-type (WT) plants.
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CAS 6815-91-4 GDP-L-galactose sodium salt

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