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Shomali A, Aliniaeifard S, Kamrani YY, Lotfi M, Aghdam MS, Rastogi A, Brestič M. Interplay among photoreceptors determines the strategy of coping with excess light in tomato. Plant J 2024. [PMID: 38402588 DOI: 10.1111/tpj.16685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 01/30/2024] [Accepted: 02/05/2024] [Indexed: 02/27/2024]
Abstract
This study investigates photoreceptor's role in the adaption of photosynthetic apparatus to high light (HL) intensity by examining the response of tomato wild type (WT) (Solanum lycopersicum L. cv. Moneymaker) and tomato mutants (phyA, phyB1, phyB2, cry1) plants to HL. Our results showed a photoreceptor-dependent effect of HL on the maximum quantum yield of photosystem II (Fv /Fm ) with phyB1 exhibiting a decrease, while phyB2 exhibiting an increase in Fv /Fm . HL resulted in an increase in the efficient quantum yield of photosystem II (ΦPSII ) and a decrease in the non-photochemical quantum yields (ΦNPQ and ΦN0 ) solely in phyA. Under HL, phyA showed a significant decrease in the energy-dependent quenching component of NPQ (qE ), while phyB2 mutants showed an increase in the state transition (qT ) component. Furthermore, ΔΔFv /Fm revealed that PHYB1 compensates for the deficit of PHYA in phyA mutants. PHYA signaling likely emerges as the dominant effector of PHYB1 and PHYB2 signaling within the HL-induced signaling network. In addition, PHYB1 compensates for the role of CRY1 in regulating Fv /Fm in cry1 mutants. Overall, the results of this research provide valuable insights into the unique role of each photoreceptor and their interplay in balancing photon energy and photoprotection under HL condition.
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Affiliation(s)
- Aida Shomali
- Photosynthesis Laboratory, Department of Horticulture, College of Aburaihan, University of Tehran, Tehran, Iran
| | - Sasan Aliniaeifard
- Photosynthesis Laboratory, Department of Horticulture, College of Aburaihan, University of Tehran, Tehran, Iran
- Controlled Environment Agriculture Center (CEAC), College of Agriculture and Natural Resources, University of Tehran, Tehran, Iran
| | - Yousef Yari Kamrani
- Experimental Biophysics, Institute for Biology, Humboldt-University of Berlin, Invaliden Str. 42, 10115, Berlin, Germany
| | - Mahmoud Lotfi
- Photosynthesis Laboratory, Department of Horticulture, College of Aburaihan, University of Tehran, Tehran, Iran
| | | | - Anshu Rastogi
- Laboratory of Bioclimatology, Department of Ecology and Environmental Protection, Faculty of Environmental Engineering and Mechanical Engineering, Poznan University of Life Sciences, Piątkowska 94, 60-649, Poznań, Poland
| | - Marian Brestič
- Department of Plant Physiology, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, A. Hlinku 2, Nitra, 949 76, Slovak Republic
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