Challenges facing an understanding of the nature of low-energy excited states in photosynthesis

JR Reimers, M Biczysko, D Bruce, DF Coker… - … et Biophysica Acta (BBA …, 2016 - Elsevier
While the majority of the photochemical states and pathways related to the biological
capture of solar energy are now well understood and provide paradigms for artificial device …

Reversible changes in structure and function of photosynthetic apparatus of pea (Pisum sativum) leaves under drought stress

J Pandey, E Devadasu, D Saini, K Dhokne… - The Plant …, 2023 - Wiley Online Library
The effects of drought on photosynthesis have been extensively studied, whereas those on
thylakoid organization are limited. We observed a significant decline in gas exchange …

Photoprotective role of neoxanthin in plants and algae

C Giossi, P Cartaxana, S Cruz - Molecules, 2020 - mdpi.com
Light is a paramount parameter driving photosynthesis. However, excessive irradiance
leads to the formation of reactive oxygen species that cause cell damage and hamper the …

Observation of dissipative chlorophyll-to-carotenoid energy transfer in light-harvesting complex II in membrane nanodiscs

M Son, A Pinnola, SC Gordon, R Bassi… - Nature …, 2020 - nature.com
Plants prevent photodamage under high light by dissipating excess energy as heat.
Conformational changes of the photosynthetic antenna complexes activate dissipation by …

Protein–protein interactions induce pH-dependent and zeaxanthin-independent photoprotection in the plant light-harvesting complex, LHCII

M Son, R Moya, A Pinnola, R Bassi… - Journal of the …, 2021 - ACS Publications
Plants use energy from the sun yet also require protection against the generation of
deleterious photoproducts from excess energy. Photoprotection in green plants, known as …

Characterization of fluorescent chlorophyll charge-transfer states as intermediates in the excited state quenching of light-harvesting complex II

EE Ostroumov, JP Götze, M Reus, PH Lambrev… - Photosynthesis …, 2020 - Springer
Light-harvesting complex II (LHCII) is the major antenna complex in higher plants and green
algae. It has been suggested that a major part of the excited state energy dissipation in the …

The non-bilayer lipid MGDG stabilizes the major light-harvesting complex (LHCII) against unfolding

D Seiwert, H Witt, A Janshoff, H Paulsen - Scientific reports, 2017 - nature.com
In the photosynthetic apparatus of plants a high proportion of LHCII protein is needed to
integrate 50% non-bilayer lipid MGDG into the lamellar thylakoid membrane, but whether …

Rate-limiting steps in the dark-to-light transition of Photosystem II - revealed by chlorophyll-a fluorescence induction

M Magyar, G Sipka, L Kovács, B Ughy, Q Zhu, G Han… - Scientific reports, 2018 - nature.com
Photosystem II (PSII) catalyses the photoinduced oxygen evolution and, by producing
reducing equivalents drives, in concert with PSI, the conversion of carbon dioxide to sugars …

A proteoliposome-based system reveals how lipids control photosynthetic light harvesting

S Tietz, M Leuenberger, R Höhner, AH Olson… - Journal of Biological …, 2020 - ASBMB
Integral membrane proteins are exposed to a complex and dynamic lipid environment
modulated by nonbilayer lipids that can influence protein functions by lipid-protein …

Ultrafast excitation energy transfer dynamics in the LHCII–CP29–CP24 subdomain of plant photosystem II

TN Do, HL Nguyen, P Akhtar, K Zhong… - The Journal of …, 2022 - ACS Publications
We measure the two-dimensional electronic spectra of the LHCII (M)–CP29–CP24 complex
in photosystem II (PSII) and provide the first study of the ultrafast excitation energy transfer …