title: Emerging Trends in Epigenetic Regulation of Nutrient Deficiency Response in Plants.
abstract: Diverse environmental stimuli largely affect the ionic balance of soil, which have a direct effect on growth and crop yield. Details are fast emerging on the genetic/molecular regulators, at whole-genome levels, of plant responses to mineral deficiencies in model and crop plants. These genetic regulators determine the root architecture and physiological adaptations for better uptake and utilization of minerals from soil. Recent evidence also shows the potential roles of epigenetic mechanisms in gene regulation, driven by minerals imbalance. Mineral deficiency or sufficiency leads to developmental plasticity in plants for adaptation, which is preceded by a change in the pattern of gene expression. Notably, such changes at molecular levels are also influenced by altered chromatin structure and methylation patterns, or involvement of other epigenetic components. Interestingly, many of the changes induced by mineral deficiency are also inheritable in the form of epigenetic memory. Unravelling these mechanisms in response to mineral deficiency would further advance our understanding of this complex plant response. Further studies on such approaches may serve as an exciting interaction model of epigenetic and genetic regulations of mineral homeostasis in plants and designing strategies for crop improvement.
authors.affiliation: National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India.
authors.forename: Gunjan
authors.initials: G
authors.lastname: Sirohi
authors.affiliation: National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India.
authors.forename: Bipin K
authors.initials: BK
authors.lastname: Pandey
authors.affiliation: Department of Botany, Sri Aurobindo College, University of Delhi, New Delhi, India.
authors.forename: Priyanka
authors.initials: P
authors.lastname: Deveshwar
authors.affiliation: National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India. jitender@nipgr.ac.in.
authors.forename: Jitender
authors.initials: J
authors.lastname: Giri
mesh_terms: D000222:Adaptation, Physiological; D019175:DNA Methylation; D044127:Epigenesis, Genetic; D018506:Gene Expression Regulation, Plant; D017343:Genes, Plant; D063245:Plant Development; D018517:Plant Roots / Q000033:anatomy & histology / Q000235:genetics / Q000502:physiology; D010944:Plants / Q000033:anatomy & histology / Q000235:genetics*; D013312:Stress, Physiological
keywords: Abiotic stress; Epigenetic; MicroRNAs; Mineral homeostasis; Plant adaptation
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