ArticleScientific reports2017
A pathway for protective quenching in antenna proteins of Photosystem II.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 27 citations in OpenAlex.
- Simulations of Excitonic Couplings in Spinach Light-Harvesting Complex II Using a More Realistic Model in the Presence of Photosystem II Core.ACS omega · 2025Article
- Can biocrust moss hide from climate change? Fine-scale habitat sheltering improves summer stress resistance in Syntrichia caninervis.American journal of botany · 2025Article
- Cryo-EM structure of a plant photosystem II supercomplex with light-harvesting protein Lhcb8 and α-tocopherol.Nature plants · 2023Article
- A perspective on the major light-harvesting complex dynamics under the effect of pH, salts, and the photoprotective PsbS protein.Photosynthesis research · 2023Review
- pH-Dependent Conformational Switch Impacts Stability of the PsbS Dimer.The journal of physical chemistry letters · 2023Article
- Macromolecular conformational changes in photosystem II: interaction between structure and function.Biophysical reviews · 2022Review
- Rapeseed (Frontiers in plant science · 2022Article
- Conformational Dynamics of Light-Harvesting Complex II in a Native Membrane Environment.Biophysical journal · 2021Article
- Dynamical and allosteric regulation of photoprotection in light harvesting complex II.Science China. Chemistry · 2020Article
- Molecular dynamics simulations in photosynthesis.Photosynthesis research · 2020Review
- The Photosystem II Subunit S under Stress.Biophysical journal · 2017Article
- The Dynamics of Energy Dissipation and Xanthophyll Conversion in Arabidopsis Indicate an Indirect Photoprotective Role of Zeaxanthin in Slowly Inducible and Relaxing Components of Non-photochemical Quenching of Excitation Energy.Frontiers in plant science · 2017Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Photosynthesis is common in nature, converting sunlight energy into proton motive force and reducing power. The increased spectral range absorption of light exerted by pigments (i.e. chlorophylls, Chls) within Light Harvesting Complexes (LHCs) proves an important advantage under low light conditions. However, in the exposure to excess light, oxidative damages and ultimately cell death can occur. A down-regulatory mechanism, thus, has been evolved (non-photochemical quenching, NPQ). The mechanistic details of its major component (qE) are missing at the atomic scale. The research herein, initiates on solid evidence from the current NPQ state of the art, and reveals a detailed atomistic view by large scale Molecular Dynamics, Metadynamics and ab initio Simulations. The results demonstrate a complete picture of an elaborate common molecular design. All probed antenna proteins (major LHCII from spinach-pea, CP29 from spinach) show striking plasticity in helix-D, under NPQ conditions. This induces changes in Qy bands in excitation and absorption spectra of the near-by pigment pair (Chl613-614) that could emerge as a new quenching site. Zeaxanthin enhances this plasticity (and possibly the quenching) even at milder NPQ conditions.
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