Oxygenic photosynthesis in far-red light: strategies and mechanisms

E Elias, TJ Oliver, R Croce - Annual Review of Physical …, 2024 - annualreviews.org
Oxygenic photosynthesis, the process that converts light energy into chemical energy, is
traditionally associated with the absorption of visible light by chlorophyll molecules …

Opportunities and challenges for assigning cofactors in cryo-EM density maps of chlorophyll-containing proteins

CJ Gisriel, J Wang, GW Brudvig, DA Bryant - Communications Biology, 2020 - nature.com
The accurate assignment of cofactors in cryo-electron microscopy maps is crucial in
determining protein function. This is particularly true for chlorophylls (Chls), for which small …

Structural basis for the adaptation and function of chlorophyll f in photosystem I

K Kato, T Shinoda, R Nagao, S Akimoto… - Nature …, 2020 - nature.com
Chlorophylls (Chl) play pivotal roles in energy capture, transfer and charge separation in
photosynthesis. Among Chls functioning in oxygenic photosynthesis, Chl f is the most red …

Far-red absorption and light-use efficiency trade-offs in chlorophyll f photosynthesis

V Mascoli, L Bersanini, R Croce - Nature plants, 2020 - nature.com
Plants and cyanobacteria use the chlorophylls embedded in their photosystems to absorb
photons and perform charge separation, the first step of converting solar energy to chemical …

The structure of Photosystem I acclimated to far-red light illuminates an ecologically important acclimation process in photosynthesis

C Gisriel, G Shen, V Kurashov, MY Ho, S Zhang… - Science …, 2020 - science.org
Phototrophic organisms are superbly adapted to different light environments but often must
acclimate to challenging competition for visible light wavelengths in their niches. Some …

Molecular diversity and evolution of far-red light-acclimated photosystem I

CJ Gisriel, DA Bryant, GW Brudvig… - Frontiers in Plant …, 2023 - frontiersin.org
The need to acclimate to different environmental conditions is central to the evolution of
cyanobacteria. Far-red light (FRL) photoacclimation, or FaRLiP, is an acclimation …

Evidence that chlorophyll f functions solely as an antenna pigment in far-red-light photosystem I from Fischerella thermalis PCC 7521

DA Cherepanov, IV Shelaev, FE Gostev… - … et Biophysica Acta (BBA …, 2020 - Elsevier
Abstract The Photosystem I (PSI) reaction center in cyanobacteria is comprised of~ 96
chlorophyll (Chl) molecules, including six specialized Chl molecules denoted Chl1A/Chl1B …

Breaking the red limit: Efficient trapping of long-wavelength excitations in chlorophyll-f-containing photosystem I

M Tros, V Mascoli, G Shen, MY Ho, L Bersanini… - Chem, 2021 - cell.com
Photosystem I (PSI) converts photons into electrons with a nearly 100% quantum efficiency.
Its minimal energy requirement for photochemistry corresponds to a 700-nm photon …

Recent structural discoveries of photosystems I and II acclimated to absorb far-red light

CJ Gisriel - Biochimica et Biophysica Acta (BBA)-Bioenergetics, 2024 - Elsevier
Photosystems I and II are the photooxidoreductases central to oxygenic photosynthesis and
canonically absorb visible light (400–700 nm). Recent investigations have revealed that …

Experimental and calculated infrared spectra of disubstituted naphthoquinones

N Agarwala, L Rohani, G Hastings - Spectrochimica Acta Part A: Molecular …, 2022 - Elsevier
In recent years there has been interest in incorporating substituted 1, 4-naphthoquinones
(NQs) into the A 1 binding site in photosystem I (PSI) photosynthetic protein complexes. This …