Epigenetic control of plant senescence and linked processes
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TLDR
The review outlines the concept of epigenetic control of interconnected regulatory pathways steering stress responses and plant development and summarizes recent findings on global alterations in chromatin structure, histone and DNA modifications, and ATP-dependent chromatin remodelling during plant senescence and linked processes.Abstract:
Senescence processes are part of the plant developmental programme. They involve reprogramming of gene expression and are under the control of a complex regulatory network closely linked to other developmental and stressresponsive pathways. Recent evidence indicates that leaf senescence is regulated via epigenetic mechanisms. In the present review, the epigenetic control of plant senescence is discussed in the broader context of environmentsensitive plant development. The review outlines the concept of epigenetic control of interconnected regulatory pathways steering stress responses and plant development. Besides giving an overview of techniques used in the field, it summarizes recent findings on global alterations in chromatin structure, histone and DNA modifications, and ATPdependent chromatin remodelling during plant senescence and linked processes.read more
Citations
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Evolution and conservation of JmjC domain proteins in the green lineage
TL;DR: The results show that JmjC domain proteins are a conserved family in which domain organization and cofactor binding sites have been modified in some species and provide insights into KDM evolution and lay a foundation for functional characterization of KDMs.
Journal ArticleDOI
A Mutation in Plant-Specific SWI2/SNF2-Like Chromatin-Remodeling Proteins, DRD1 and DDM1, Delays Leaf Senescence in Arabidopsis thaliana
Eun Ju Cho,Seung Hee Choi,Ji Hong Kim,Ji-Eun Kim,Min Hee Lee,Byung Yeoup Chung,Hye Ryun Woo,Jin-Hong Kim +7 more
TL;DR: The data suggest that SWI2/SNF2 chromatin remodeling proteins such as DRD1 and DDM1 may influence leaf senescence possibly via epigenetic regulation.
Journal ArticleDOI
Changes in genomic 5-methylcytosine level mirror the response of orthodox (Acer platanoides L.) and recalcitrant (Acer pseudoplatanus L.) seeds to severe desiccation.
Beata Patrycja Plitta-Michalak,Mirosława Z. Naskręt-Barciszewska,S. Kotlarski,Dominik Tomaszewski,Tadeusz Tylkowski,Jan Barciszewski,Paweł Chmielarz,Marcin Michalak +7 more
TL;DR: In the present comparative study, changes in the global levels of 5-methylcytosine (m5C) in orthodox and recalcitrant seeds of Acer platanoides L. and Acer pseudoplatanus L. were characterized during progressive stages of severe drying to indicate that desiccation-induced changes in m5C are both tissue- and seed category-specific and are highly correlated with recal citrant seed viability.
Journal ArticleDOI
Differences in gene expression between natural and artificially induced leaf senescence in barley.
Armin Springer,Georg Acker,Sandra Bartsch,Heike Bauerschmitt,Steffen Reinbothe,Christiane Reinbothe +5 more
TL;DR: Analysis of primary leaves of barley shows that both types of senescence are similar with respect to the morphological changes including the loss of chlorophyll, disintegration of thylakoids, and formation of plastoglobules, but the time elapsed for reachingSenescence completion was different and ranged from 7 to 8 days for artificially senescing, MeJA-treated plants to 7-8 weeks for naturally senesced plants.
Journal ArticleDOI
Regulation of Leaf Longevity by DML3-Mediated DNA Demethylation.
TL;DR: This research unraveled a novel epigenetic regulatory mechanism underlying leaf senescence in which DML3 is expressed at the onset of and during senescences to demethylate promoter, gene body or 3'-UTR regions to activate a set of SAGs.
References
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