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The endoplasmic reticulum in plant immunity and cell death
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Eichmann, Ruth and Schäfer, P. (Patrick) (2012) The endoplasmic reticulum in plant immunity and cell death. Frontiers in Plant Science, Volume 3 . Article number 200. doi:10.3389/fpls.2012.00200
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WRAP_Eichmann_fpls-03-00200 (1).pdf - Published Version Available under License Creative Commons Attribution. Download (1310Kb) | Preview |
Official URL: http://dx.doi.org/10.3389/fpls.2012.00200
Abstract
The endoplasmic reticulum (ER) is a highly dynamic organelle in eukaryotic cells and a major production site of proteins destined for vacuoles, the plasma membrane, or apoplast in plants. At the ER, these secreted proteins undergo multiple processing steps, which are supervised and conducted by the ER quality control system. Notably, processing of secreted proteins can considerably elevate under stress conditions and exceed ER folding capacities. The resulting accumulation of unfolded proteins is defined as ER stress. The efficiency of cells to re-establish proper ER function is crucial for stress adaptation. Besides delivering proteins directly antagonizing and resolving stress conditions, the ER monitors synthesis of immune receptors. This indicates the significance of the ER for the establishment and function of the plant immune system. Recent studies point out the fragility of the entire system and highlight the ER as initiator of programed cell death (PCD) in plants as was reported for vertebrates. This review summarizes current knowledge on the impact of the ER on immune and PCD signaling. Understanding the integration of stress signals by the ER bears a considerable potential to optimize development and to enhance stress resistance of plants.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QH Natural history > QH301 Biology Q Science > QK Botany Q Science > QR Microbiology > QR180 Immunology |
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| Divisions: | Faculty of Science > Life Sciences (2010- ) | ||||
| Library of Congress Subject Headings (LCSH): | Endoplasmic reticulum , Cell organelles , Plant molecular biology, Eukaryotic cells | ||||
| Journal or Publication Title: | Frontiers in Plant Science | ||||
| Publisher: | Frontiers Media S.A. | ||||
| ISSN: | 1664-462X | ||||
| Official Date: | 22 August 2012 | ||||
| Dates: |
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| Volume: | Volume 3 | ||||
| Page Range: | Article number 200 | ||||
| DOI: | 10.3389/fpls.2012.00200 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access | ||||
| Funder: | Deutsche Forschungsgemeinschaft (DFG) | ||||
| Grant number: | SCHA1444/3-3 |
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