A paler shade of green: engineering cellular chlorophyll content to enhance photosynthesis in crowded environments

EA Cutolo, Z Guardini, L Dall'Osto, R Bassi - New Phytologist, 2023 - Wiley Online Library
In natural ecosystems, plants compete for space, nutrients and light. The optically dense
canopies limit the penetration of photosynthetically active radiation and light often becomes …

[HTML][HTML] The atomistic modeling of light-harvesting complexes from the physical models to the computational protocol

E Cignoni, V Slama, L Cupellini… - The Journal of Chemical …, 2022 - pubs.aip.org
The function of light-harvesting complexes is determined by a complex network of dynamic
interactions among all the different components: the aggregate of pigments, the protein, and …

The nature of carotenoid S* state and its role in the nonphotochemical quenching of plants

D Accomasso, G Londi, L Cupellini… - Nature …, 2024 - nature.com
In plants, light-harvesting complexes serve as antennas to collect and transfer the absorbed
energy to reaction centers, but also regulate energy transport by dissipating the excitation …

Ultrafast dynamics of photosynthetic light harvesting: Strategies for acclimation across organisms

OC Fiebig, D Harris, D Wang… - Annual Review of …, 2023 - annualreviews.org
Photosynthetic light harvesting exhibits near-unity quantum efficiency. The high efficiency is
achieved through a series of energy and charge transfer steps within a network of pigment …

Machine learning exciton Hamiltonians in light-harvesting complexes

E Cignoni, L Cupellini, B Mennucci - Journal of Chemical Theory …, 2023 - ACS Publications
We propose a machine learning (ML)-based strategy for an inexpensive calculation of
excitonic properties of light-harvesting complexes (LHCs). The strategy uses classical …

Glutamic Acid and Poly-γ-glutamic Acid Enhanced the Heat Resistance of Chinese Cabbage (Brassica rapa L. ssp. pekinensis) by Improving Carotenoid …

J Quan, W Zheng, J Tan, Z Li, M Wu, SB Hong… - International Journal of …, 2022 - mdpi.com
Heat stress is one of the most common agrometeorological risks in crop production in the
middle and lower reaches of the Yangtze River in China. This study aimed to investigate …

Impact of structure, coupling scheme, and state of interest on the energy transfer in CP29

S Petry, JC Tremblay, JP Götze - The Journal of Physical …, 2023 - ACS Publications
The Qy and Bx excitation energy transfer (EET) in the minor light-harvesting complex CP29
(LHCII B4. 1) antenna complex of Pisum sativum was characterized using a computational …

Spectral densities and absorption spectra of the core antenna complex CP43 from photosystem II

P Sarngadharan, S Maity… - The Journal of Chemical …, 2022 - pubs.aip.org
Besides absorbing light, the core antenna complex CP43 of photosystem II is of great
importance in transferring excitation energy from the antenna complexes to the reaction …

Kinetics of the xanthophyll cycle and its role in photoprotective memory and response

A Short, TP Fay, T Crisanto, R Mangal… - Nature …, 2023 - nature.com
Efficiently balancing photochemistry and photoprotection is crucial for survival and
productivity of photosynthetic organisms in the rapidly fluctuating light levels found in natural …

How the pH controls photoprotection in the light-harvesting complex of mosses

L Pedraza-González, E Cignoni… - Journal of the …, 2023 - ACS Publications
In response to varying light conditions, light-harvesting complexes (LHCs) switch from a light-
harvesting state to a quenched state to protect the photosynthetic organism from excessive …