Next Article in Journal
Accurate Prediction of Transcriptional Activity of Single Missense Variants in HIV Tat with Deep Learning
Next Article in Special Issue
Salt Stress—Regulation of Root Water Uptake in a Whole-Plant and Diurnal Context
Previous Article in Journal
Cardiac RGS Proteins in Human Heart Failure and Atrial Fibrillation: Focus on RGS4
Previous Article in Special Issue
Effect of Salinity on Stomatal Conductance, Leaf Hydraulic Conductance, HvPIP2 Aquaporin, and Abscisic Acid Abundance in Barley Leaf Cells
 
 
Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
Journals
IJMS
Volume 24
Issue 7
10.3390/ijms24076134
ijms-logo
Submit to this Journal Review for this Journal Propose a Special Issue
► Article Menu

Article Menu

share Share announcement Help format_quote Cite question_answer Discuss in SciProfiles
first_page
settings
Order Article Reprints
Font Type:
Arial Georgia Verdana
Font Size:
Aa Aa Aa
Line Spacing:
Column Width:
Background:
Article

Priming Potato Plants with Melatonin Protects Stolon Formation under Delayed Salt Stress by Maintaining the Photochemical Function of Photosystem II, Ionic Homeostasis and Activating the Antioxidant System

by
Marina V. Efimova
1,
Elena D. Danilova
1,
Ilya E. Zlobin
1,2,
Lilia V. Kolomeichuk
1,
Olga K. Murgan
1,
Ekaterina V. Boyko
1 and
Vladimir V. Kuznetsov
1,2,*
1
Department of Plant Physiology, Biotechnology and Bioinformatics, Biological Institute, National Research Tomsk State University, Lenin Avenue 36, Tomsk 634050, Russia
2
K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya Street 35, Moscow 127276, Russia
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2023, 24(7), 6134; https://doi.org/10.3390/ijms24076134
Submission received: 24 February 2023 / Revised: 22 March 2023 / Accepted: 23 March 2023 / Published: 24 March 2023
(This article belongs to the Special Issue Molecular Regulation of Drought and Salinity Tolerance in Plants)
Browse Figures
Review Reports Versions Notes

Abstract

Melatonin is among one of the promising agents able to protect agricultural plants from the adverse action of different stressors, including salinity. We aimed to investigate the effects of melatonin priming (0.1, 1.0 and 10 µM) on salt-stressed potato plants (125 mM NaCl), by studying the growth parameters, photochemical activity of photosystem II, water status, ion content and antioxidant system activity. Melatonin as a pleiotropic signaling molecule was found to decrease the negative effect of salt stress on stolon formation, tissue water content and ion status without a significant effect on the expression of Na+/H+-antiporter genes localized on the vacuolar (NHX1 to NHX3) and plasma membrane (SOS1). Melatonin effectively decreases the accumulation of lipid peroxidation products in potato leaves in the whole range of concentrations studied. A melatonin-induced dose-dependent increase in Fv/Fm together with a decrease in uncontrolled non-photochemical dissipation Y(NO) also indicates decreased oxidative damage. The observed protective ability of melatonin was unlikely due to its influence on antioxidant enzymes, since neither SOD nor peroxidase were activated by melatonin. Melatonin exerted positive effects on the accumulation of water-soluble low-molecular-weight antioxidants, proline and flavonoids, which could aid in decreasing oxidative stress. The most consistent positive effect was observed on the accumulation of carotenoids, which are well-known lipophilic antioxidants playing an important role in the protection of photosynthesis from oxidative damage. Finally, it is possible that melatonin accumulated during pretreatment could exert direct antioxidative effects due to the ROS scavenging activity of melatonin molecules.
Keywords: Solanum tuberosum L.; melatonin; priming; chloride salinity; ion homeostasis; proline; flavonoids; antioxidant enzymes; photosystem II; gene expression Solanum tuberosum L.; melatonin; priming; chloride salinity; ion homeostasis; proline; flavonoids; antioxidant enzymes; photosystem II; gene expression

Share and Cite

MDPI and ACS Style

Efimova, M.V.; Danilova, E.D.; Zlobin, I.E.; Kolomeichuk, L.V.; Murgan, O.K.; Boyko, E.V.; Kuznetsov, V.V. Priming Potato Plants with Melatonin Protects Stolon Formation under Delayed Salt Stress by Maintaining the Photochemical Function of Photosystem II, Ionic Homeostasis and Activating the Antioxidant System. Int. J. Mol. Sci. 2023, 24, 6134. https://doi.org/10.3390/ijms24076134

AMA Style

Efimova MV, Danilova ED, Zlobin IE, Kolomeichuk LV, Murgan OK, Boyko EV, Kuznetsov VV. Priming Potato Plants with Melatonin Protects Stolon Formation under Delayed Salt Stress by Maintaining the Photochemical Function of Photosystem II, Ionic Homeostasis and Activating the Antioxidant System. International Journal of Molecular Sciences. 2023; 24(7):6134. https://doi.org/10.3390/ijms24076134

Chicago/Turabian Style

Efimova, Marina V., Elena D. Danilova, Ilya E. Zlobin, Lilia V. Kolomeichuk, Olga K. Murgan, Ekaterina V. Boyko, and Vladimir V. Kuznetsov. 2023. "Priming Potato Plants with Melatonin Protects Stolon Formation under Delayed Salt Stress by Maintaining the Photochemical Function of Photosystem II, Ionic Homeostasis and Activating the Antioxidant System" International Journal of Molecular Sciences 24, no. 7: 6134. https://doi.org/10.3390/ijms24076134

APA Style

Efimova, M. V., Danilova, E. D., Zlobin, I. E., Kolomeichuk, L. V., Murgan, O. K., Boyko, E. V., & Kuznetsov, V. V. (2023). Priming Potato Plants with Melatonin Protects Stolon Formation under Delayed Salt Stress by Maintaining the Photochemical Function of Photosystem II, Ionic Homeostasis and Activating the Antioxidant System. International Journal of Molecular Sciences, 24(7), 6134. https://doi.org/10.3390/ijms24076134

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

Article Metrics

Back to TopTop