ArticlePloS one2013
Dissection of photosynthetic electron transport process in sweet sorghum under heat stress.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.
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Who cites it
43 citing papers in PubMed, 147 citations in OpenAlex.
- Artificial Light at Night Alters Photosynthetic Electron Transport in Two Deciduous Species.Biology · 2026Article
- Adapting Crops to Rising Temperatures: Understanding Heat Stress and Plant Resilience Mechanisms.International journal of molecular sciences · 2025Review
- Regulation of Light Absorption and Energy Dissipation in Sweet Sorghum Under Climate-Relevant COBiology · 2025Article
- Effects of exogenous glycine betaine on growth and development of tomato seedlings under cold stress.Frontiers in plant science · 2024Article
- Photosynthetic responses of heat-stressed apple leaves to foliar application of salicylic and ascorbic acid.Photosynthetica · 2024Article
- Physiological and molecular insights on wheat responses to heat stress.Plant cell reports · 2022Review
- Pre-Acclimation to Elevated Temperature Stabilizes the Activity of Photosystem I in Wheat Plants Exposed to an Episode of Severe Heat Stress.Plants (Basel, Switzerland) · 2022Article
- High-resolution dissection of photosystem II electron transport reveals differential response to water deficit and heat stress in isolation and combination in pearl millet [Frontiers in plant science · 2022Article
- Dissecting photosynthetic electron transport and photosystems performance in Jerusalem artichoke (Frontiers in plant science · 2022Article
- Heat Stress-Mediated Constraints in Maize (Frontiers in plant science · 2022Review
- Mechanisms of elevated COPlant cell reports · 2021Review
- Drought and Heat Stress in Cool-Season Food Legumes in Sub-Tropical Regions: Consequences, Adaptation, and Mitigation Strategies.Plants (Basel, Switzerland) · 2021Review
- Comparative Study of Drought Stress Effects on Traditional and Modern Apple Cultivars.Plants (Basel, Switzerland) · 2021Article
- Leaf Monoterpene Emission Limits Photosynthetic Downregulation under Heat Stress in Field-Grown Grapevine.Plants (Basel, Switzerland) · 2021Article
- Physiological, Biochemical, and Root Proteome Networks Revealed New Insights Into Salt Tolerance Mechanisms inFrontiers in plant science · 2021Article
- Photochemical Efficiency of Photosystem II in Inverted Leaves of Soybean [Frontiers in plant science · 2021Article
- Temperature-dependent regulation of electron transport and ATP synthesis in chloroplasts in vitro and in silico.Photosynthesis research · 2020Article
- Functioning of the Photosynthetic Apparatus in Response to Drought Stress in Oat × Maize Addition Lines.International journal of molecular sciences · 2020Article
- Chlorophyll a Fluorescence Transient and 2-Dimensional Electrophoresis Analyses Reveal Response Characteristics of Photosynthesis to Heat Stress inPlants (Basel, Switzerland) · 2020Article
- Moderate heat stress accelerates photoinhibition of photosystem I under fluctuating light in tobacco young leaves.Photosynthesis research · 2020Article
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Authors and funding
6 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant photosynthesis and photosystem II (PSII) are susceptible to high temperature. However, photosynthetic electron transport process under heat stress remains unclear. To reveal this issue, chlorophyll a fluorescence and modulated 820 nm reflection were simultaneously detected in sweet sorghum. At 43°C, J step in the chlorophyll a fluorescence transient was significantly elevated, suggesting that electron transport beyond primary quinone of PSII (Q(A)) (primary quinone electron acceptor of PSII) was inhibited. PSI (Photosystem I) photochemical capacity was not influenced even under severe heat stress at 48°C. Thus, PSI oxidation was prolonged and PSI re-reduction did not reach normal level. The inhibition of electron transport between PSII and PSI can reduce the possibility of PSI photoinhibition under heat stress. PSII function recovered entirely one day after heat stress at 43°C, implying that sweet sorghum has certain self-remediation capacity. When the temperature reached 48°C, the maximum quantum yield for primary photochemistry and the electron transport from PSII donor side were remarkably decreased, which greatly limited the electron flow to PSI, and PSI re-reduction suspended. The efficiency of an electron transferred from the intersystem electron carrier (plastoquinol, PQH₂) to the end electron acceptors at the PSI acceptor side increased significantly at 48°C, and the reason was the greater inhibition of electron transport before PQH₂. Thus, the fragment from Q(A) to PQH₂ is the most heat sensitive in the electron transport chain between PSII and PSI in sweet sorghum.
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