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VOL. 9, ISSUE 7 (2024)
An overview of molecular regulation of plant responses to temperature stress: Insights into the role of ncRNAs
Authors
Pooja Moni Baruah, Niraj Agarwala
Abstract
In plants, temperature stress triggers complex responses crucial for
survival and adaptation. Understanding these responses at molecular levels is
essential. High temperatures lead to the production of heat shock proteins
(HSPs) and phytochromes, which help in protein folding and temperature sensing.
Cold stress activates signaling pathways involving OST1 and COLD1, which
regulate gene expression and calcium influx. Heat stress disrupts
photosynthesis, membrane stability, and causes oxidative stress. Plants counter
these effects with antioxidant enzymes and osmotic regulation. Understanding
these mechanisms is vital for developing stress-tolerant crops to ensure
sustainable agriculture. Non-coding RNAs (ncRNAs) like microRNAs (miRNAs), long
non-coding RNAs (lncRNAs), and circular RNAs (circRNAs) play key roles in
regulating gene expression under temperature stress. miRNAs adjust
stress-responsive genes by targeting them directly. circRNAs act as molecular
sponges, sequestering miRNAs and thus controlling their activity. lncRNAs are
involved in chromatin remodelling and transcriptional regulation, affecting the
expression of stress-responsive genes. Together, these ncRNAs create a complex
regulatory network that enhances plant resilience to temperature changes,
ensuring optimal growth and development under adverse conditions.
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Pages:32-38
How to cite this article:
Pooja Moni Baruah, Niraj Agarwala "An overview of molecular regulation of plant responses to temperature stress: Insights into the role of ncRNAs". International Journal of Botany Studies, Vol 9, Issue 7, 2024, Pages 32-38
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