STIL,a peculiar molecule from styles,specifically dephosphorylates the pollen receptor kinase LePRK2 and stimulates pollen tube growth in vitro |
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| Authors: | Diego L Wengier María A Mazzella Tamara M Salem Sheila McCormick Jorge P Muschietti |
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| Affiliation: | 1.Instituto de Ingeniería Genética y Biología Molecular (INGEBI),CONICET,Argentina;2.Departamento de Fisiología y Biología Molecular y Celular,Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires,Buenos,Argentina;3.Plant Gene Expression Center, United States Department of Agriculture/Agricultural Research Service,Albany,USA;4.Department of Plant and Microbial Biology,University of California at Berkeley,Berkeley,USA |
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| Abstract: | Background LePRK1 and LePRK2 are two pollen receptor kinases localized to the plasma membrane, where they are present in a high molecular weight complex (LePRK complex). LePRK2 is phosphorylated in mature and germinated pollen, but is dephosphorylated when pollen membranes are incubated with tomato or tobacco style extracts. |
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