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Relationship between non-photochemical quenching efficiency and the energy transfer rate from phycobilisomes to photosystem II
The chromophorylated PBLcm domain of the ApcE linker protein in the cyanobacterial phycobilisome (PBS) serves as a bottleneck for Förster resonance...
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Non-photochemical quenching triggered by abscisic acid mitigates the inhibition of photosynthesis in rice under drought
Abscisic acid (ABA) plays a key role in drought. Non-photochemical quenching (NPQ), as a photoprotective mechanism, also plays an important role in...
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Temperature map** of non-photochemical quenching in Chlorella vulgaris
Light intensity and temperature independently impact all parts of the photosynthetic machinery in plants and algae. Yet to date, the vast majority of...
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Non-photochemical quenching may contribute to the dominance of the pale mat-forming lichen Cladonia stellaris over the sympatric melanic Cetraria islandica
The mat-forming fruticose lichens Cladonia stellaris and Cetraria islandica frequently co-occur on soils in sun-exposed boreal, subarctic, and alpine...
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History of excess-light exposure modulates extent and kinetics of fast-acting non-photochemical energy dissipation
Many challenging environmental conditions create a scenario where plants must respond to excess excitation energy. This review addresses the role of...
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Quenching of G4-DNA intrinsic fluorescence by ligands
G-quadruplex (G4) structures formed by the guanine-rich DNA regions exhibit several distinctive optical properties, including UV absorption and...
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Photoprotection by photoinhibitory and PSII-reaction centre quenching controls growth of Ulva rigida (Chlorophyta) and is a pre-requisite for green tide formation
Main ConclusionThe combined photoinhibitory and PSII-reaction centre quenching against light stress is an important mechanism that allows the green...
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Excitation transfer and quenching in photosystem II, enlightened by carotenoid triplet state in leaves
Accumulation of carotenoid (Car) triplet states was investigated by singlet–triplet annihilation, measured as chlorophyll (Chl) fluorescence...
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Psb27, a photosystem II assembly protein, enables quenching of excess light energy during its participation in the PSII lifecycle
Photosystem II (PSII), the enzyme responsible for oxidizing water into molecular oxygen, undergoes a complex lifecycle during which multiple assembly...
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Identification of multiple nonphotochemical quenching processes in the extremophilic red alga Cyanidioschyzon merolae
Nonphotochemical quenching acts as a frontline response to prevent excitation energy from reaching the photochemical reaction center of photosystem...
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PSII supercomplex disassembly is not needed for the induction of energy quenching (qE)
Photoprotection by non-photochemical quenching is important for optimal growth and development, especially during dynamic changes of the light...
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Rapid formation of antheraxanthin and zeaxanthin in seconds in microalgae and its relation to non-photochemical quenching
The violaxanthin (V)–antheraxanthin (A)–zeaxanthin (Z) (VAZ) cycle was deemed a non-second-scale process of photoprotection in higher plants and...
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Disentangling the sites of non-photochemical quenching in vascular plants
In nature, plants experience large fluctuations in light intensity and they need to balance the absorption and utilization of this energy...
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Regulatory effects of silicon nanoparticles on the growth and photosynthesis of cotton seedlings under salt and low-temperature dual stress
BackgroundSilicon nanoparticles (SiO 2 -NPs) play a crucial role in plants mitigating abiotic stress. However, the regulatory mechanism of SiO 2 -NPs in...
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Exciton quenching by oxidized chlorophyll Z across the two adjacent monomers in a photosystem II core dimer
This study aimed to clarify (1) which pigment in a photosystem II (PSII) core complex is responsible for the 695-nm emission at 77 K and (2) the...
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A light-induced decrease in the photochemical reflectance index (PRI) can be used to estimate the energy-dependent component of non-photochemical quenching under heat stress and soil drought in pea, wheat, and pumpkin
The remote sensing of a plant’s physiological state is a key problem of precision agriculture. The photochemical reflectance index (PRI), which is...
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Analysis of state 1—state 2 transitions by genome editing and complementation reveals a quenching component independent from the formation of PSI-LHCI-LHCII supercomplex in Arabidopsis thaliana
BackgroundThe light-harvesting antennae of photosystem (PS) I and PSII are pigment-protein complexes responsible of the initial steps of sunlight...
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Reduction of PSII photosynthetic performance by low temperature is the reason for the growing inhibition of Kobresia pygmaea Clarke
Kobresia pygmaea Clarke is mainly distributed in the alpine region from 3800 to 4500 m elevation on the Qinghai-Tibet Plateau. It is excellent in...
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Exacerbation of drought-induced physiological and biochemical changes in leaves of Pisum sativum upon restriction of COX and AOX pathways of mitochondrial oxidative electron transport
Drought stress affects photosynthesis, leading to significant decrease in crop productivity. In the current study, the importance of the cytochrome...
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Development and characterization of Chlamydomonas reinhardtii low chlorophyll mutants to improve photosynthetic efficiency and biomass
The ability of the microalgae to utilize light efficiently is the critical factor for growth and biomass productivity through photosynthesis. Here,...
