Reaction Center Excitation in Photosystem II: From Multiscale Modeling to Functional Principles

A Sirohiwal, DA Pantazis - Accounts of Chemical Research, 2023 - ACS Publications
Conspectus Oxygenic photosynthesis is the fundamental energy-converting process that
utilizes sunlight to generate molecular oxygen and the organic compounds that sustain life …

Structure function studies of Photosystem II using X-ray free electron lasers

J Yano, J Kern, VK Yachandra - Annual review of biophysics, 2024 - annualreviews.org
The structure and mechanism of the water-oxidation chemistry that occurs in photosystem II
have been subjects of great interest. The advent of X-ray free electron lasers allowed the …

Quasiparticle Self-Consistent GW-Bethe–Salpeter Equation Calculations for Large Chromophoric Systems

A Förster, L Visscher - Journal of chemical theory and …, 2022 - ACS Publications
The GW-Bethe–Salpeter equation (BSE) method is promising for calculating the low-lying
excitonic states of molecular systems. However, so far it has only been applied to rather …

Charge separation in the photosystem II reaction center resolved by multispectral two-dimensional electronic spectroscopy

HH Nguyen, Y Song, EL Maret, Y Silori, R Willow… - Science …, 2023 - science.org
The photosystem II reaction center (PSII RC) performs the primary energy conversion steps
of oxygenic photosynthesis. While the PSII RC has been studied extensively, the similar time …

Alternative Fast and Slow Primary Charge‐Separation Pathways in Photosystem II

M Capone, A Sirohiwal, M Aschi… - Angewandte Chemie …, 2023 - Wiley Online Library
Photosystem‐II (PSII) is a multi‐subunit protein complex that harvests sunlight to perform
oxygenic photosynthesis. Initial light‐activated charge separation takes place at a reaction …

Unraveling quantum coherences mediating primary charge transfer processes in photosystem II reaction center

A Jha, PP Zhang, V Tiwari, L Chen, M Thorwart… - Science …, 2024 - science.org
Photosystem II (PSII) reaction center (RC) is a unique complex that is capable of efficiently
separating electronic charges across the membrane. The primary energy-and charge …

Bidirectional energy flow in the photosystem II supercomplex

C Leonardo, SJ Yang, K Orcutt, M Iwai… - The Journal of …, 2024 - ACS Publications
The water-splitting capability of Photosystem II (PSII) of plants and green algae requires the
system to balance efficient light harvesting along with effective photoprotection against …

Two-dimensional electronic spectroscopy of the far-red-light photosystem II reaction center

Y Silori, R Willow, HH Nguyen, G Shen… - The Journal of …, 2023 - ACS Publications
Understanding the role of specific pigments in primary energy conversion in the
photosystem II (PSII) reaction center has been impeded by the spectral overlap of its …

From antenna to reaction center: Pathways of ultrafast energy and charge transfer in photosystem II

SJ Yang, EA Arsenault, K Orcutt… - Proceedings of the …, 2022 - National Acad Sciences
The photosystem II core complex (PSII-CC) is the smallest subunit of the oxygenic
photosynthetic apparatus that contains core antennas and a reaction center, which together …

Triplet states in the reaction center of Photosystem II

S Bhattacharjee, F Neese, DA Pantazis - Chemical Science, 2023 - pubs.rsc.org
In oxygenic photosynthesis sunlight is harvested and funneled as excitation energy into the
reaction center (RC) of Photosystem II (PSII), the site of primary charge separation that …