Emerging Trends in Epigenetic Regulation of Nutrient Deficiency Response in Plants

Sirohi, G. S.; Pandey, Bharati; Deveshwar, Priyanka; Giri, Jitender

doi:10.1007/s12033-016-9919-0

Cited by 30 publications

(11 citation statements)

References 151 publications

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“…Evidence for altered chromatin structure and cytosine DNA methylation patterns and RNAs production is steadily increasing, including confirmation of partial heritability (Sirohi et al . ). Additional evidence for epigenetic responses to salt/alkaline stress and heavy metal pollution in a wide range of species (see Alonso et al .…”

Section: Key Phenotypic Traits In Mediterranean Plantsmentioning

confidence: 97%

Uncovering the contribution of epigenetics to plant phenotypic variation in Mediterranean ecosystems

2017

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Epigenetic signals can affect plant phenotype and fitness and be stably inherited across multiple generations. Epigenetic regulation plays a key role in the mechanisms of plant response to the environment, without altering DNA sequence. As plants cannot adapt behaviourally or migrate instantly, such dynamic epigenetic responses may be particularly crucial for survival of plants within changing and challenging environments, such as the Mediterranean-Type Ecosystems (MTEs). These ecosystems suffer recurrent stressful events (warm and dry summers with associated fire regimes) that have selected for plants with similar phenotypic complex traits, resulting in similar vegetation growth forms. However, the potential role of epigenetics in plant adaptation to recurrent stressful environments such as the MTEs has generally been ignored. To understand the full spectrum of adaptive processes in such contexts, it is imperative to prompt study of the causes and consequences of epigenetic variation in natural populations. With this purpose, we review here current knowledge on epigenetic variation in natural populations and the genetic and epigenetic basis of some key traits for plants in the MTEs, namely those traits involved in adaptation to drought, fire and oligotrophic soils. We conclude there is still much to be learned about 'plant epigenetics in the wild' and, thus, we propose future research steps in the study of natural epigenetic variation of key traits in the MTEs at different scales.

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Section: Key Phenotypic Traits In Mediterranean Plantsmentioning

confidence: 97%

Uncovering the contribution of epigenetics to plant phenotypic variation in Mediterranean ecosystems

2017

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“…11,66 Throughout the life cycle of a plant, the realization of optimal physiological function requires a stable supply of nutrients, with a nutrient deficiency the normal growth of plants will be affected and plant biomass will be reduced. 67 Furthermore, under nutrient stress the ASA-GSH circulatory system, which is an important pathway for ROS removal, can be altered, potentially reducing ROS removal efficiency. 11,12 Dopamine alleviated the inhibitory effect of nutrient stress on plant photosynthesis, probably by regulating certain physiological and biochemical processes related to photosynthesis.…”

Section: Nutrient Stressmentioning

confidence: 99%

Functions of dopamine in plants: a review

Liu

Gao

Liu

et al. 2020

Plant Signaling & Behavior

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Dopamine (3-hydroxytyramine or 3,4-dihydroxyphenethylamine) has many functions in animals, but also shows several other functions in plants. Since the discovery of dopamine in plants in 1968, many studies have provided insight into physiological and biochemical functions, and stress responses of this molecule. In this review, we describe the biosynthesis of dopamine, as well as its role in plant growth and development. In addition, endogenous or exogenously applied dopamine improved the tolerance against several abiotic stresses, such as drought, salt, and nutrient stress. There are also several studies that dopamine contributes to the plant immune response against plant disease. Dopamine affects the expression of many abiotic stresses related genes, which highlights its role as a multi-regulatory molecule and can coordinate many aspects of plant development. Our review emphasized the effects of dopamine against environmental stresses along with future research directions, which will help improve the yield of eco-friendly crops and ensure food security.

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“…Studies have identified that alteration in chromatin structure and methylation pattern govern environmental adaptability in plants under nutrient deficiency (Sirohi et al, 2016). It has been reported that miRNAs also regulate gene expression via DNA methylation.…”

Section: Conclusion and Future Perspectivesmentioning

confidence: 99%

Involvement of Small RNAs in Phosphorus and Sulfur Sensing, Signaling and Stress: Current Update

2017

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Plants require several essential mineral nutrients for their growth and development. These nutrients are required to maintain physiological processes and structural integrity in plants. The root architecture has evolved to absorb nutrients from soil and transport them to other parts of the plant. Nutrient deficiency affects several physiological and biological processes in plants and leads to reduction in crop productivity and yield. To compensate this adversity, plants have developed adaptive mechanisms to enhance the acquisition, conservation, and mobilization of these nutrients under deficient or adverse conditions. In addition, plants have evolved an intricate nexus of complex signaling cascades, which help in nutrient sensing and uptake as well as to maintain nutrient homeostasis. In recent years, small non-coding RNAs such as micro RNAs (miRNAs) and endogenous small interfering RNAs have emerged as important component in regulating plant stress responses. A set of these small RNAs (sRNAs) have been implicated in regulating various processes involved in nutrient uptake, assimilation, and deficiency. In response to phosphorus (P) and sulphur (S) deficiencies, role of sRNAs, miR395 and miR399, have been identified to be instrumental; however, many more miRNAs might be involved in regulating the plant response to these nutrient stresses. These sRNAs modulate expression of target genes in response to P and S deficiencies and regulate their uptake and utilization for proper growth and development of the plant. This review summarizes the current understanding of uptake, sensing, and signaling of P and S and highlights the regulatory role of sRNAs in adaptive responses to these nutrient stresses in plants.

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Emerging Trends in Epigenetic Regulation of Nutrient Deficiency Response in Plants

Cited by 30 publications

References 151 publications

Uncovering the contribution of epigenetics to plant phenotypic variation in Mediterranean ecosystems

Uncovering the contribution of epigenetics to plant phenotypic variation in Mediterranean ecosystems

Functions of dopamine in plants: a review

Involvement of Small RNAs in Phosphorus and Sulfur Sensing, Signaling and Stress: Current Update

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