Cited by 73Epigenetics and DNA MethylationPlant Molecular Biology ResearchPlant Stress Responses and Tolerance

Epigenomics of plant responses to environmental stress

Open access
Kumar, Suresh·2018·Epigenomes

Published version of a preprint

Abstract

Genome-wide epigenetic changes in plants are being reported during development and environmental stresses, which are often correlated with gene expression at the transcriptional level. The sum total of the biochemical changes in nuclear DNA, post-translational modifications in histone proteins and variations in the biogenesis of non-coding RNAs in a cell is known as an epigenome. These changes are often responsible for variation in the expression of the gene without any change in the underlying nucleotide sequence. The changes might also cause variation in chromatin structure resulting in the changes in function/activity of the genome. The epigenomic changes are dynamic with respect to the endogenous and/or environmental stimuli, which affect phenotypic plasticity of the organism. Both the epigenetic changes and variation in gene expression might return to the pre-stress state soon after the withdrawal of the stress. However, a part of the epigenetic changes may be retained, which is reported to play a role in acclimatization and adaptation as well as in the evolutionary process. Probable exploitation of epigenome-engineering for improved stress tolerance in plants has become essential for better utilization of the genetic resources. This review delineates the importance of epigenomics towards the possible improvement of plant responses to environmental stresses for climate resilient agriculture.

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Crossref · 10.3390/epigenomes2010006

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  • Chromatin regulators and associated enzymes could be key targets for epigenetic engineering to improve climate resilience.

    “The chromatin’s plasticity during environmental changes suggests that chromatin regulators and associated enzymes could be key targets for epigenetic engineering to improve climate resilience (Kumar, 2017; Kumar, 2018).”

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Authors
Kumar, S.
Affiliations
Indian Agricultural Research Institute (IN)
Corresponding author
Kumar, Suresh
Venue
Epigenomes
Publisher
MDPI AG
Published
2018-03-16
Volume
2
Issue
1
Pages
6
ISSN
2075-4655 (ISSN-L)
OpenAlex
W2791555312
Cited by
73
References
125
Citations by year
2026: 6 · 2025: 9 · 2024: 8 · 2023: 6 · 2022: 8 · 2021: 8 · 2020: 14 · 2019: 11 · 2018: 3
FWCI
3.20
Type
journal article
Language
en
Open access
Locations
  • Epigenomes (publishedVersion, cc-by)
  • Preprints.org (acceptedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
Keywords
environmental stress, histone modifications, chromatin structure, phenotypic plasticity, stress memory, acclimatization, stress tolerance, climate-resilient agriculture

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