StCDPK1 is expressed in potato stolon tips and is induced by high sucrose concentration

StCDPK1 encodes a calcium-dependent protein kinase (CDPK) from Solanum tuberosum, which is transiently induced upon tuberization in swelling stolons. In situ hybridization determined that StCDPK1 mRNA is localized in the apical dome of tuberizing stolon tips, close to the region where sucrose was re...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 54(2003), 392 vom: 01. Nov., Seite 2589-91
1. Verfasser: Raíces, Marcela (VerfasserIn)
Weitere Verfasser: Ulloa, Rita M, MacIntosh, Gustavo C, Crespi, Martín, Téllez-Iñón, María T
Format: Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Calcium-Binding Proteins Plant Proteins Okadaic Acid 1W21G5Q4N2 Sucrose 57-50-1 Protein Kinases EC 2.7.-
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245 1 0 |a StCDPK1 is expressed in potato stolon tips and is induced by high sucrose concentration 
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520 |a StCDPK1 encodes a calcium-dependent protein kinase (CDPK) from Solanum tuberosum, which is transiently induced upon tuberization in swelling stolons. In situ hybridization determined that StCDPK1 mRNA is localized in the apical dome of tuberizing stolon tips, close to the region where sucrose was reported to accumulate. The expression of StCDPK1, and other tuber-specific genes was enhanced when in vitro-cultured potato plants were transferred to high sucrose or high sorbitol containing media. Glucose, fructose or a mixture of both showed no effect on CDPK expression. Okadaic acid blocked sucrose-inducible gene expression, suggesting that phosphatases from the PP1/PP2A family could also participate in the regulation of StCDPK1 and other tuberization-related genes 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Plant Proteins  |2 NLM 
650 7 |a Okadaic Acid  |2 NLM 
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700 1 |a Ulloa, Rita M  |e verfasserin  |4 aut 
700 1 |a MacIntosh, Gustavo C  |e verfasserin  |4 aut 
700 1 |a Crespi, Martín  |e verfasserin  |4 aut 
700 1 |a Téllez-Iñón, María T  |e verfasserin  |4 aut 
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