EurekaMag.com logo
+ Site Statistics
References:
53,869,633
Abstracts:
29,686,251
+ Search Articles
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on LinkedInFollow on LinkedIn

+ Translate

RCD1-DREB2A interaction in leaf senescence and stress responses in Arabidopsis thaliana



RCD1-DREB2A interaction in leaf senescence and stress responses in Arabidopsis thaliana



Biochemical Journal 442(3): 573-581



Transcriptional regulation of gene expression is one major determinant of developmental control and stress adaptation in virtually all living organisms. In recent years numerous transcription factors controlling various aspects of plant life have been identified. The activity of transcription factors needs to be regulated to prevent unspecific, prolonged or inappropriate responses. The transcription factor DREB2A (DEHYDRATION-RESPONSIVE ELEMENT BINDING 2A) has been identified as one of the main regulators of drought and heat responses, and it is regulated through protein stability. In the present paper we describe evidence that the interaction with RCD1 (RADICAL-INDUCED CELL DEATH 1) contributes to the control of DREB2A under a range of conditions. The interaction is mediated by a novel protein motif in DREB2A and a splice variant of DREB2A which lacks the interaction domain accumulates during heat stress and senescence. In addition RCD1 is rapidly degraded during heat stress, thus our results suggest that removal of RCD1 protein or the loss of the interaction domain in DREB2A appears to be required for proper DREB2A function under stress conditions.

(PDF emailed within 0-6 h: $19.90)

Accession: 055333746

Download citation: RISBibTeXText

PMID: 22150398

DOI: 10.1042/BJ20111739



Related references

Overexpression of the RADICAL-INDUCED CELL DEATH1 (RCD1) gene of Arabidopsis causes weak rcd1 phenotype with compromised oxidative-stress responses. Bioscience, Biotechnology, and Biochemistry 70(8): 1827-1831, 2006

Loss of stress-induced expression of catalase3 during leaf senescence in Arabidopsis thaliana is restricted to oxidative stress. Plant Science 161(2): 301-314, 2001

Mechanisms of induction of the stress-responsive transcription factors HsfA2 and DREB2A by 12-oxo-phytodienoic acid in Arabidopsis thaliana. Bioscience, Biotechnology, and Biochemistry 78(4): 647-650, 2015

Maize similar to RCD1 gene induced by salt enhances Arabidopsis thaliana abiotic stress resistance. Biochemical and Biophysical Research Communications, 2018

Identification of a novel gene HYS1/CPR5 that has a repressive role in the induction of leaf senescence and pathogen-defence responses in Arabidopsis thaliana. Plant Journal 29(4): 427-437, 2002

Antisense suppression of deoxyhypusine synthase delays Arabidopsis thaliana leaf senescence and confers increased tolerance to environmental stress. Plant Biology (Rockville) : 155, 2001

Interaction studies of the human and Arabidopsis thaliana Med25-ACID proteins with the herpes simplex virus VP16- and plant-specific Dreb2a transcription factors. Plos One 9(5): E98575-E98575, 2015

A senescence-associated gene of Arabidopsis thaliana is distinctively regulated during natural and artificially induced leaf senescence. Plant molecular biology 30(4): 739-754, 1996

Leaf proteome responses of Arabidopsis thaliana exposed to mild cadmium stress. Journal of Plant Physiology 167(4): 247-254, 2010

Dynamics of Jasmonate Metabolism upon Flowering and across Leaf Stress Responses in Arabidopsis thaliana. Plants 5(1): -, 2016

Effects of cytokinin and senescence-inducing factors on expression of PARR5-GUS gene construct during leaf senescence in transgenic Arabidopsis thaliana plants. Plant Growth Regulation 56(1): 21-30, 2008

RCD1 and SRO1 are necessary to maintain meristematic fate in Arabidopsis thaliana. Journal of Experimental Botany 62(3): 1271-1284, 2011

Expression of the Apx gene family during leaf senescence of Arabidopsis thaliana. Planta 222(5): 926-932, 2005

Transcription factors regulating leaf senescence in Arabidopsis thaliana. Plant Biology 10 Suppl 1: 63-75, 2008

Regulation of antioxidative enzymes during leaf senescence of Arabidopsis thaliana. Free Radical Research 37(Supplement 2): 33, 2003