AT14A mediates the cell wall-plasma membrane-cytoskeleton continuum in Arabidopsis thaliana cells

AT14A has a small domain that has sequence similarities to integrins from animals. Integrins serve as a transmembrane linker between the extracellular matrix and the cytoskeleton, which play critical roles in a variety of biological processes. Because the function of AT14A is unknown, Arabidopsis th...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 63(2012), 11 vom: 28. Juni, Seite 4061-9
1. Verfasser: Lü, Bing (VerfasserIn)
Weitere Verfasser: Wang, Juan, Zhang, Yu, Wang, Hongcheng, Liang, Jiansheng, Zhang, Jianhua
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis Proteins At14a protein, Arabidopsis
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520 |a AT14A has a small domain that has sequence similarities to integrins from animals. Integrins serve as a transmembrane linker between the extracellular matrix and the cytoskeleton, which play critical roles in a variety of biological processes. Because the function of AT14A is unknown, Arabidopsis thaliana AT14A, which is a transmembrane receptor for cell adhesion molecules and a middle member of the cell wall-plasma membrane-cytoskeleton continuum in plants, has been described. AT14A, co-expressed with green fluorescent protein (GFP), was found to localize mainly to the plasma membrane. The mutant Arabidopsis at14a-1 cells exhibit various phenotypes with cell shape, cell cluster size, thickness, and cellulose content of cell wall, the adhesion between cells, and the adhesion of plasma membrane to cell wall varied by plasmolysis. Using direct staining of filamentous actin and indirect immunofluorescence staining of microtubules, cortical actin filaments and microtubules arrays were significantly altered in cells, either where AT14A was absent or over-expressed. It is concluded that AT14A may be a substantial middle member of the cell wall-plasma membrane-cytoskeleton continuum and play an important role in the continuum by regulating cell wall and cortical cytoskeleton organization 
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700 1 |a Wang, Juan  |e verfasserin  |4 aut 
700 1 |a Zhang, Yu  |e verfasserin  |4 aut 
700 1 |a Wang, Hongcheng  |e verfasserin  |4 aut 
700 1 |a Liang, Jiansheng  |e verfasserin  |4 aut 
700 1 |a Zhang, Jianhua  |e verfasserin  |4 aut 
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