Vesicle-associated membrane proteins 721 and 722 are required for unimpeded growth of Arabidopsis under ABA application

Copyright © 2012 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 170(2013), 5 vom: 15. März, Seite 529-33
1. Verfasser: Yi, Changhyun (VerfasserIn)
Weitere Verfasser: Park, Sohyeon, Yun, Hye Sup, Kwon, Chian
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis Proteins R-SNARE Proteins VAMP721 protein, Arabidopsis VAMP722 protein, Arabidopsis Abscisic Acid 72S9A8J5GW
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245 1 0 |a Vesicle-associated membrane proteins 721 and 722 are required for unimpeded growth of Arabidopsis under ABA application 
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520 |a Soluble N-ethylmaleimide sensitive factor attachment protein receptor (SNARE) proteins are core factors in driving vesicle fusion with target membranes, which is critical in eukaryotes having distinct subcellular organelles. Amongst them, vesicle-associated membrane proteins (VAMP) 721 and 722 are involved in plant growth/development and immunity. In the course of stress responses, plants often show retarded growth. The precise mechanism of this retardation is not fully understood. The plant stress hormone abscisic acid (ABA), which can cause growth inhibition, down-regulates VAMP721/722 protein levels but not transcript levels. Enhanced growth inhibition and early depletion of the amount of VAMP721/722 caused by ABA in haploinsufficient VAMP721(+/-)VAMP722(-/-) and VAMP721(-/-)VAMP722(+/-) plants suggest that ABA impedes plant growth in part by reducing VAMP721/722 proteins. Since VAMP721/722 are engaged in exocytosis, our data implies that ABA-induced growth retardation may result from diminished secretory activities leading to decreased transport of molecules required for plant growth in the plasma membrane and cell wall 
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650 7 |a R-SNARE Proteins  |2 NLM 
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700 1 |a Park, Sohyeon  |e verfasserin  |4 aut 
700 1 |a Yun, Hye Sup  |e verfasserin  |4 aut 
700 1 |a Kwon, Chian  |e verfasserin  |4 aut 
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