Pyrophosphate: fructose-6-phosphate 1-phosphotransferase is involved in the tolerance of Arabidopsis seedlings to salt and osmotic stresses
作者： Hyemin Lim , Man-Ho Cho , Seong Hee Bhoo , Tae-Ryong Hahn
DOI: 10.1007/S11627-013-9578-9
关键词: Biology 、 Gene 、 Protein subunit 、 Arabidopsis 、 Glycolysis 、 Mutant 、 Biochemistry 、 Wild type 、 Osmotic shock 、 Pyrophosphate
摘要: In plants, pyrophosphate: fructose-6-phosphate 1-phosphotransferase (PFP) is a regulatory enzyme that participates in glycolysis and gluconeogenesis. Arabidopsis contains two PFPα subunit genes (PFPα1 PFPα2) PFPβ (PFPβ1 PFPβ2). The single-knockout mutants of the PFP were isolated, double quadruple pfp generated by crossing single mutants. To elucidate role stress tolerance, responses knockout to conditions, including osmotic salt stresses, examined. seedling growth pfpα1/α2 pfpβ1/β2 pfpα1/α2/β1/β2 mutant was severely retarded under conditions compared with wild type. expression increased response stresses. contrast, vegetative type after stage similarly affected These findings suggest plays adaptation seedlings
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