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Review

Plant Nitric Oxide Signaling under Drought Stress

1
Centre for Research in Biotechnology for Agriculture, University of Malaya, Kuala Lumpur 50603, Malaysia
2
Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia
3
School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong, China
*
Author to whom correspondence should be addressed.
Academic Editor: Gábor Feigl
Plants 2021, 10(2), 360; https://doi.org/10.3390/plants10020360
Received: 30 December 2020 / Revised: 26 January 2021 / Accepted: 10 February 2021 / Published: 13 February 2021
(This article belongs to the Special Issue Nitric Oxide Signaling of Plants)
Water deficit caused by drought is a significant threat to crop growth and production. Nitric oxide (NO), a water- and lipid-soluble free radical, plays an important role in cytoprotection. Apart from a few studies supporting the role of NO in drought responses, little is known about this pivotal molecular amendment in the regulation of abiotic stress signaling. In this review, we highlight the knowledge gaps in NO roles under drought stress and the technical challenges underlying NO detection and measurements, and we provide recommendations regarding potential avenues for future investigation. The modulation of NO production to alleviate abiotic stress disturbances in higher plants highlights the potential of genetic manipulation to influence NO metabolism as a tool with which plant fitness can be improved under adverse growth conditions. View Full-Text
Keywords: abiotic stress; crop improvement; drought; nitric oxide; S-nitrosylation; signaling molecule; water deficit abiotic stress; crop improvement; drought; nitric oxide; S-nitrosylation; signaling molecule; water deficit
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MDPI and ACS Style

Lau, S.-E.; Hamdan, M.F.; Pua, T.-L.; Saidi, N.B.; Tan, B.C. Plant Nitric Oxide Signaling under Drought Stress. Plants 2021, 10, 360. https://doi.org/10.3390/plants10020360

AMA Style

Lau S-E, Hamdan MF, Pua T-L, Saidi NB, Tan BC. Plant Nitric Oxide Signaling under Drought Stress. Plants. 2021; 10(2):360. https://doi.org/10.3390/plants10020360

Chicago/Turabian Style

Lau, Su-Ee, Mohd Fadhli Hamdan, Teen-Lee Pua, Noor Baity Saidi, and Boon Chin Tan. 2021. "Plant Nitric Oxide Signaling under Drought Stress" Plants 10, no. 2: 360. https://doi.org/10.3390/plants10020360

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