Shedding light on primary donors in photosynthetic reaction centers
MJ Gorka, A Baldansuren, A Malnati, E Gruszecki… - Biophysical …, 2022 - cell.com
Sunday, February 20, 2022 103a donor is controlled by its redox and electronic properties,
which in turn are controlled almost exclusively by the surrounding protein matrix. In this …
which in turn are controlled almost exclusively by the surrounding protein matrix. In this …
Recent advances in the understanding of superoxide anion radical formation in the photosynthetic electron transport chain
M Kozuleva - Acta Physiologiae Plantarum, 2022 - Springer
The Mehler reaction is the major source of superoxide anion radicals (O2•−) and hydrogen
peroxide molecules in the chloroplast. In terms of mechanism, the Mehler reaction starts as a …
peroxide molecules in the chloroplast. In terms of mechanism, the Mehler reaction starts as a …
Structure of the Acidobacteria homodimeric reaction center bound with cytochrome c
S Dong, G Huang, C Wang, J Wang, SF Sui… - Nature …, 2022 - nature.com
Photosynthesis converts light energy to chemical energy to fuel life on earth. Light energy is
harvested by antenna pigments and transferred to reaction centers (RCs) to drive the …
harvested by antenna pigments and transferred to reaction centers (RCs) to drive the …
Opportunities and challenges for assigning cofactors in cryo-EM density maps of chlorophyll-containing proteins
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 …
determining protein function. This is particularly true for chlorophylls (Chls), for which small …
Cyanobacteria and algae meet at the limits of their habitat ranges in moderately acidic hot springs
Microbial oxygenic photosynthesis in thermal habitats is thought to be performed by Bacteria
in circumneutral to alkaline systems (pH> 6) and by Eukarya in acidic systems (pH< 3), yet …
in circumneutral to alkaline systems (pH> 6) and by Eukarya in acidic systems (pH< 3), yet …
Recent advances in the structural diversity of reaction centers
Photosynthetic reaction centers (RC) catalyze the conversion of light to chemical energy that
supports life on Earth, but they exhibit substantial diversity among different phyla. This is …
supports life on Earth, but they exhibit substantial diversity among different phyla. This is …
Two-dimensional 67 Zn HYSCORE spectroscopy reveals that a Zn-bacteriochlorophyll a P′ dimer is the primary donor (P 840) in the type-1 reaction centers of …
Chloracidobacterium (C.) thermophilum is a microaerophilic, chlorophototrophic species in
the phylum Acidobacteria that uses homodimeric type-1 reaction centers (RC) to convert …
the phylum Acidobacteria that uses homodimeric type-1 reaction centers (RC) to convert …
Superoxide anion radical generation in photosynthetic electron transport chain
MA Kozuleva, BN Ivanov - Biochemistry (Moscow), 2023 - Springer
This review analyzes data available in the literature on the rates, characteristics, and
mechanisms of oxygen reduction to a superoxide anion radical at the sites of photosynthetic …
mechanisms of oxygen reduction to a superoxide anion radical at the sites of photosynthetic …
What We Are Learning from the Diverse Structures of the Homodimeric Type I Reaction Center-Photosystems of Anoxygenic Phototropic Bacteria
RA Niederman - Biomolecules, 2024 - mdpi.com
A Type I reaction center (RC)(Fe-S type, ferredoxin reducing) is found in several phyla
containing anoxygenic phototrophic bacteria. These include the heliobacteria (HB), the …
containing anoxygenic phototrophic bacteria. These include the heliobacteria (HB), the …
A quantitative assessment of (bacterio)chlorophyll assignments in the cryo-EM structure of the Chloracidobacterium thermophilum reaction center
Chlorophylls and bacteriochlorophylls are the primary pigments used by photosynthetic
organisms for light harvesting, energy transfer, and electron transfer. Many molecular …
organisms for light harvesting, energy transfer, and electron transfer. Many molecular …