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Abstract
MicroRNAs are emerging players in plant development and response to stresses, both biotic and abiotic such as micronutrient deficiency. These small RNAs regulate cognate downstream targets either by transcript cleavage or translational inhibition. Micronutrient deficiencies lead to poor quality and yield of crops and impaired human health. Over the years several microRNAs have been identified which regulate expression of genes controlling uptake, mobilization and homeostasis of macronutrients such as nitrogen, phosphorus and sulfur to ensure sufficiency without toxicity. This review attempts to understand the roles played by micro RNAs involved in homeostasis of the micronutrients boron, manganese, zinc, copper, iron, molybdenum and nickel and the cross talk between them upon perception of nutritional stress. Notably and surprisingly, several micro RNAs are not specific for a particular micronutrient stress and the challenge remains to uncover ones (if any) that are directly relevant to the micronutrient. Current findings of this yet infant field could potentiate biotechnological applications towards biofortification, plant innate immunity and remedy heavy metal toxicity.
Keywords: Development, homeostasis, micro RNAs, micronutrients, mutants, overexpression, specificity, transcriptome.
MicroRNA
Title:Small and Hungry: MicroRNAs in Micronutrient Homeostasis of Plants
Volume: 6 Issue: 1
Author(s): Prashanti Patel, Karuna Yadav and Thumballi R. Ganapathi*
Affiliation:
- Plant Cell Culture Technology Section, Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400 085,India
Keywords: Development, homeostasis, micro RNAs, micronutrients, mutants, overexpression, specificity, transcriptome.
Abstract: MicroRNAs are emerging players in plant development and response to stresses, both biotic and abiotic such as micronutrient deficiency. These small RNAs regulate cognate downstream targets either by transcript cleavage or translational inhibition. Micronutrient deficiencies lead to poor quality and yield of crops and impaired human health. Over the years several microRNAs have been identified which regulate expression of genes controlling uptake, mobilization and homeostasis of macronutrients such as nitrogen, phosphorus and sulfur to ensure sufficiency without toxicity. This review attempts to understand the roles played by micro RNAs involved in homeostasis of the micronutrients boron, manganese, zinc, copper, iron, molybdenum and nickel and the cross talk between them upon perception of nutritional stress. Notably and surprisingly, several micro RNAs are not specific for a particular micronutrient stress and the challenge remains to uncover ones (if any) that are directly relevant to the micronutrient. Current findings of this yet infant field could potentiate biotechnological applications towards biofortification, plant innate immunity and remedy heavy metal toxicity.
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Cite this article as:
Patel Prashanti, Yadav Karuna and Ganapathi R. Thumballi*, Small and Hungry: MicroRNAs in Micronutrient Homeostasis of Plants, MicroRNA 2017; 6 (1) . https://dx.doi.org/10.2174/2211536606666170117160338
DOI https://dx.doi.org/10.2174/2211536606666170117160338 |
Print ISSN 2211-5366 |
Publisher Name Bentham Science Publisher |
Online ISSN 2211-5374 |
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The utilization of microRNAs (miRNAs) in animal production represents an emerging frontier in agricultural biotechnology, with the potential to revolutionize the sector. MiRNAs, small non-coding RNA molecules, play a crucial role in regulating gene expression, influencing vital processes such as growth, muscle development, disease resistance, and feed efficiency. Their application ...read more
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