ArticleFrontiers in plant science2016
Sustained Diurnal Stimulation of Cyclic Electron Flow in Two Tropical Tree Species Erythrophleum guineense and Khaya ivorensis.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 26 citations in OpenAlex.
- Integrative genomics and genetics from evolutionary insights to precision breeding in peanuts (Arachis Hypogaea L.).Functional & integrative genomics · 2025Review
- Unlocking the adaptation mechanisms of the oleaginous microalgaFrontiers in microbiology · 2024Article
- The Protective Effect of Exogenous Ascorbic Acid on Photosystem Inhibition of Tomato Seedlings Induced by Salt Stress.Plants (Basel, Switzerland) · 2023Article
- Moderate photoinhibition of PSII and oxidation of P700 contribute to chilling tolerance of tropical tree species in subtropics of China.Photosynthetica · 2023Article
- Diurnal Response of Photosystem I to Fluctuating Light Is Affected by Stomatal Conductance.Cells · 2021Article
- Heat-induced down-regulation of photosystem II protects photosystem I in honeysuckle (Lonicera japonica).Journal of plant research · 2021Article
- NAC Transcription Factor PwNAC11 ActivatesInternational journal of molecular sciences · 2021Article
- Narrowing Diurnal Temperature Amplitude Alters Carbon Tradeoff and Reduces Growth in CFrontiers in plant science · 2020Article
- COPhotosynthesis research · 2019Article
- Moderate Photoinhibition of Photosystem II Significantly Affects Linear Electron Flow in the Shade-Demanding PlantFrontiers in plant science · 2018Article
- Leaf Photosynthetic Parameters Related to Biomass Accumulation in a Global Rice Diversity Survey.Plant physiology · 2017Article
- Ultraviolet-B Radiation (UV-B) Relieves Chilling-Light-Induced PSI Photoinhibition And Accelerates The Recovery Of COScientific reports · 2016Article
- Responses of Photosystem I Compared with Photosystem II to Fluctuating Light in the Shade-Establishing Tropical Tree SpeciesFrontiers in plant science · 2016Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The photosystem II (PSII) activity of C3 plants is usually inhibited at noon associated with high light but can be repaired fast in the afternoon. However, the diurnal variation of photosystem I (PSI) activity is unknown. Although, cyclic electron flow (CEF) has been documented as an important mechanism for photosynthesis, the diurnal variation of CEF in sun leaves is little known. We determined the diurnal changes in PSI and PSII activities, light energy dissipation in PSII and the P700 redox state in two tropical tree species Erythrophleum guineense and Khaya ivorensis grown in an open field. The PSI activity (as indicated by the maximum quantity of photo-oxidizable P700) was maintained stable during the daytime. CEF was strongly activated under high light at noon, accompanying with high levels of non-photochemical quenching (NPQ) and PSI oxidation ratio. In the afternoon, CEF was maintained at a relatively high level under low light, which was accompanied with low levels of NPQ and P700 oxidation ratio. These results indicated that CEF was flexibly modulated during daytime under fluctuating light conditions. Under high light at noon, CEF-dependent generation of proton gradient across the thylakoid membranes (ΔpH) mainly contributed to photoprotection for PSI and PSII. By comparison, at low light in the afternoon, the CEF-dependent formation of ΔpH may be important for PSII repair via an additional ATP synthesis.
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