Interaction proteins of invertase and invertase inhibitor in cold-stored potato tubers suggested a protein complex underlying post-translational regulation of invertase

Copyright © 2013 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 73(2013) vom: 15. Dez., Seite 237-44
1. Verfasser: Lin, Yuan (VerfasserIn)
Weitere Verfasser: Liu, Jun, Liu, Xun, Ou, Yongbin, Li, Meng, Zhang, Huiling, Song, Botao, Xie, Conghua
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Cold-induced sweetening Invertase activity Post-translational regulation Potato DNA, Complementary Enzyme Inhibitors Plant Proteins Sucrose mehr... 57-50-1 Protein Kinases EC 2.7.- beta-Fructofuranosidase EC 3.2.1.26
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245 1 0 |a Interaction proteins of invertase and invertase inhibitor in cold-stored potato tubers suggested a protein complex underlying post-translational regulation of invertase 
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520 |a The activity of vacuolar invertase (VI) is vital to potato cold-induced sweetening (CIS). A post-translational regulation of VI activity has been proposed which involves invertase inhibitor (VIH), but the mechanism for the interaction between VI and VIH has not been fully understood. To identify the potential partners of VI and VIH, two cDNA libraries were respectively constructed from CIS-resistant wild potato species Solanum berthaultii and CIS-sensitive potato cultivar AC035-01 for the yeast two-hybrid analysis. The StvacINV1 (one of the potato VIs) and StInvInh2B (one of the potato VIHs), previously identified to be associated with potato CIS, were used as baits to screen the two libraries. Through positive selection and sequencing, 27 potential target proteins of StvacINV1 and eight of StInvInh2B were clarified. The Kunitz-type protein inhibitors were captured by StvacINV1 in both libraries and the interaction between them was confirmed by bimolecular fluorescence complementation assay in tobacco cells, reinforcing a fundamental interaction between VI and VIH. Notably, a sucrose non-fermenting-1-related protein kinase 1 was captured by both the baits, suggesting that a protein complex could be necessary for fine turning of the invertase activity. The target proteins clarified in present research provide a route to elucidate the mechanism by which the VI activity can be subtly modulated 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Cold-induced sweetening 
650 4 |a Invertase activity 
650 4 |a Post-translational regulation 
650 4 |a Potato 
650 7 |a DNA, Complementary  |2 NLM 
650 7 |a Enzyme Inhibitors  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Sucrose  |2 NLM 
650 7 |a 57-50-1  |2 NLM 
650 7 |a Protein Kinases  |2 NLM 
650 7 |a EC 2.7.-  |2 NLM 
650 7 |a beta-Fructofuranosidase  |2 NLM 
650 7 |a EC 3.2.1.26  |2 NLM 
700 1 |a Liu, Jun  |e verfasserin  |4 aut 
700 1 |a Liu, Xun  |e verfasserin  |4 aut 
700 1 |a Ou, Yongbin  |e verfasserin  |4 aut 
700 1 |a Li, Meng  |e verfasserin  |4 aut 
700 1 |a Zhang, Huiling  |e verfasserin  |4 aut 
700 1 |a Song, Botao  |e verfasserin  |4 aut 
700 1 |a Xie, Conghua  |e verfasserin  |4 aut 
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773 1 8 |g volume:73  |g year:2013  |g day:15  |g month:12  |g pages:237-44 
856 4 0 |u http://dx.doi.org/10.1016/j.plaphy.2013.09.012  |3 Volltext 
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