Regulatory Role of Circadian Clocks on ABA Production and Signaling, Stomatal Responses, and Water-Use Efficiency under Water-Deficit Conditions
Plants deploy molecular, physiological, and anatomical adaptations to cope with long-term water-deficit exposure, and some of these processes are controlled by circadian clocks. Circadian clocks are endogenous timekeepers that autonomously modulate biological systems over the course of the day–night...
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MDPI AG
2022-03-01
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| Online Access: | https://www.mdpi.com/2073-4409/11/7/1154 |
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| author | Yousef Yari Kamrani Aida Shomali Sasan Aliniaeifard Oksana Lastochkina Moein Moosavi-Nezhad Nima Hajinajaf Urszula Talar |
| author_facet | Yousef Yari Kamrani Aida Shomali Sasan Aliniaeifard Oksana Lastochkina Moein Moosavi-Nezhad Nima Hajinajaf Urszula Talar |
| author_sort | Yousef Yari Kamrani |
| collection | DOAJ |
| description | Plants deploy molecular, physiological, and anatomical adaptations to cope with long-term water-deficit exposure, and some of these processes are controlled by circadian clocks. Circadian clocks are endogenous timekeepers that autonomously modulate biological systems over the course of the day–night cycle. Plants’ responses to water deficiency vary with the time of the day. Opening and closing of stomata, which control water loss from plants, have diurnal responses based on the humidity level in the rhizosphere and the air surrounding the leaves. Abscisic acid (ABA), the main phytohormone modulating the stomatal response to water availability, is regulated by circadian clocks. The molecular mechanism of the plant’s circadian clock for regulating stress responses is composed not only of transcriptional but also posttranscriptional regulatory networks. Despite the importance of regulatory impact of circadian clock systems on ABA production and signaling, which is reflected in stomatal responses and as a consequence influences the drought tolerance response of the plants, the interrelationship between circadian clock, ABA homeostasis, and signaling and water-deficit responses has to date not been clearly described. In this review, we hypothesized that the circadian clock through ABA directs plants to modulate their responses and feedback mechanisms to ensure survival and to enhance their fitness under drought conditions. Different regulatory pathways and challenges in circadian-based rhythms and the possible adaptive advantage through them are also discussed. |
| first_indexed | 2024-03-09T12:00:38Z |
| format | Article |
| id | doaj.art-759c0b6368ee43afb1da8af42745b4c0 |
| institution | Directory Open Access Journal |
| issn | 2073-4409 |
| language | English |
| last_indexed | 2024-03-09T12:00:38Z |
| publishDate | 2022-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Cells |
| spelling | doaj.art-759c0b6368ee43afb1da8af42745b4c02023-11-30T23:04:13ZengMDPI AGCells2073-44092022-03-01117115410.3390/cells11071154Regulatory Role of Circadian Clocks on ABA Production and Signaling, Stomatal Responses, and Water-Use Efficiency under Water-Deficit ConditionsYousef Yari Kamrani0Aida Shomali1Sasan Aliniaeifard2Oksana Lastochkina3Moein Moosavi-Nezhad4Nima Hajinajaf5Urszula Talar6Experimental Biophysics, Institute for Biology, Humboldt-University of Berlin, Invaliden Str. 42, 10115 Berlin, GermanyPhotosynthesis Laboratory, Department of Horticulture, Aburaihan Campus, University of Tehran, Pakdasht P.O. Box 33916-53755, Tehran, IranPhotosynthesis Laboratory, Department of Horticulture, Aburaihan Campus, University of Tehran, Pakdasht P.O. Box 33916-53755, Tehran, IranInstitute of Biochemistry and Genetics, Subdivision of the Ufa Federal Research Center of the Russian Academy of Sciences, Pr. Oktyabrya, 71, 450054 Ufa, RussiaPhotosynthesis Laboratory, Department of Horticulture, Aburaihan Campus, University of Tehran, Pakdasht P.O. Box 33916-53755, Tehran, IranChemical Engineering Program, School for Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85287, USAInstitute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, PolandPlants deploy molecular, physiological, and anatomical adaptations to cope with long-term water-deficit exposure, and some of these processes are controlled by circadian clocks. Circadian clocks are endogenous timekeepers that autonomously modulate biological systems over the course of the day–night cycle. Plants’ responses to water deficiency vary with the time of the day. Opening and closing of stomata, which control water loss from plants, have diurnal responses based on the humidity level in the rhizosphere and the air surrounding the leaves. Abscisic acid (ABA), the main phytohormone modulating the stomatal response to water availability, is regulated by circadian clocks. The molecular mechanism of the plant’s circadian clock for regulating stress responses is composed not only of transcriptional but also posttranscriptional regulatory networks. Despite the importance of regulatory impact of circadian clock systems on ABA production and signaling, which is reflected in stomatal responses and as a consequence influences the drought tolerance response of the plants, the interrelationship between circadian clock, ABA homeostasis, and signaling and water-deficit responses has to date not been clearly described. In this review, we hypothesized that the circadian clock through ABA directs plants to modulate their responses and feedback mechanisms to ensure survival and to enhance their fitness under drought conditions. Different regulatory pathways and challenges in circadian-based rhythms and the possible adaptive advantage through them are also discussed.https://www.mdpi.com/2073-4409/11/7/1154ABA signalingabiotic stresscentral oscillatorcircadian clockplant fitness |
| spellingShingle | Yousef Yari Kamrani Aida Shomali Sasan Aliniaeifard Oksana Lastochkina Moein Moosavi-Nezhad Nima Hajinajaf Urszula Talar Regulatory Role of Circadian Clocks on ABA Production and Signaling, Stomatal Responses, and Water-Use Efficiency under Water-Deficit Conditions Cells ABA signaling abiotic stress central oscillator circadian clock plant fitness |
| title | Regulatory Role of Circadian Clocks on ABA Production and Signaling, Stomatal Responses, and Water-Use Efficiency under Water-Deficit Conditions |
| title_full | Regulatory Role of Circadian Clocks on ABA Production and Signaling, Stomatal Responses, and Water-Use Efficiency under Water-Deficit Conditions |
| title_fullStr | Regulatory Role of Circadian Clocks on ABA Production and Signaling, Stomatal Responses, and Water-Use Efficiency under Water-Deficit Conditions |
| title_full_unstemmed | Regulatory Role of Circadian Clocks on ABA Production and Signaling, Stomatal Responses, and Water-Use Efficiency under Water-Deficit Conditions |
| title_short | Regulatory Role of Circadian Clocks on ABA Production and Signaling, Stomatal Responses, and Water-Use Efficiency under Water-Deficit Conditions |
| title_sort | regulatory role of circadian clocks on aba production and signaling stomatal responses and water use efficiency under water deficit conditions |
| topic | ABA signaling abiotic stress central oscillator circadian clock plant fitness |
| url | https://www.mdpi.com/2073-4409/11/7/1154 |
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