The physiological role of the unfolded protein response in plants

Unfolded protein response (UPR) is a signaling mechanism activated by misfolded protein accumulation in the endoplasmic reticulum. It is a widespread process that has been described in organisms ranging from yeasts to mammals. In recent years, our understanding of UPR signaling pathway in plants has...

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Autores principales:	Moreno,Adrian A, Orellana,Ariel
Lenguaje:	English
Publicado:	Sociedad de Biología de Chile 2011
Materias:	endoplasmic reticulum plant signaling unfolded protein response
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602011000100010
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spelling	oai:scielo:S0716-976020110001000102011-09-01The physiological role of the unfolded protein response in plantsMoreno,Adrian AOrellana,Ariel endoplasmic reticulum plant signaling unfolded protein response Unfolded protein response (UPR) is a signaling mechanism activated by misfolded protein accumulation in the endoplasmic reticulum. It is a widespread process that has been described in organisms ranging from yeasts to mammals. In recent years, our understanding of UPR signaling pathway in plants has advanced. Two transcription factors from Arabidopsis thaliana have been reported to function as the sensor/ transducer of this response (AtbZIP60 and AtbZIP28). They seem to be involved in both heat and biotic stress. Furthermore, overexpression of one of them (AtbZIP60) produces plants with a higher tolerance for salt stress, suggesting that this transcription factor may play a role in abiotic stress. Furthermore, some data suggest that crosstalk between genes involved in abiotic stress and UPR may also exist in plants. On the other hand, UPR is related to programmed cell death (PCD) in plants given that that triggering UPR results in induction of PCD-related genes. This article reviews the latest progress in understanding UPR signaling in plants and analyzes its relationship to key processes in plant physiology.info:eu-repo/semantics/openAccessSociedad de Biología de ChileBiological Research v.44 n.1 20112011-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602011000100010en10.4067/S0716-97602011000100010
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	endoplasmic reticulum plant signaling unfolded protein response
spellingShingle	endoplasmic reticulum plant signaling unfolded protein response Moreno,Adrian A Orellana,Ariel The physiological role of the unfolded protein response in plants
description	Unfolded protein response (UPR) is a signaling mechanism activated by misfolded protein accumulation in the endoplasmic reticulum. It is a widespread process that has been described in organisms ranging from yeasts to mammals. In recent years, our understanding of UPR signaling pathway in plants has advanced. Two transcription factors from Arabidopsis thaliana have been reported to function as the sensor/ transducer of this response (AtbZIP60 and AtbZIP28). They seem to be involved in both heat and biotic stress. Furthermore, overexpression of one of them (AtbZIP60) produces plants with a higher tolerance for salt stress, suggesting that this transcription factor may play a role in abiotic stress. Furthermore, some data suggest that crosstalk between genes involved in abiotic stress and UPR may also exist in plants. On the other hand, UPR is related to programmed cell death (PCD) in plants given that that triggering UPR results in induction of PCD-related genes. This article reviews the latest progress in understanding UPR signaling in plants and analyzes its relationship to key processes in plant physiology.
author	Moreno,Adrian A Orellana,Ariel
author_facet	Moreno,Adrian A Orellana,Ariel
author_sort	Moreno,Adrian A
title	The physiological role of the unfolded protein response in plants
title_short	The physiological role of the unfolded protein response in plants
title_full	The physiological role of the unfolded protein response in plants
title_fullStr	The physiological role of the unfolded protein response in plants
title_full_unstemmed	The physiological role of the unfolded protein response in plants
title_sort	physiological role of the unfolded protein response in plants
publisher	Sociedad de Biología de Chile
publishDate	2011
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602011000100010
work_keys_str_mv	AT morenoadriana thephysiologicalroleoftheunfoldedproteinresponseinplants AT orellanaariel thephysiologicalroleoftheunfoldedproteinresponseinplants AT morenoadriana physiologicalroleoftheunfoldedproteinresponseinplants AT orellanaariel physiologicalroleoftheunfoldedproteinresponseinplants
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The physiological role of the unfolded protein response in plants

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