Photosynthetic Processes and Mechanisms

This study identifies HDA6 as an epigenetic regulator that controls chloroplast biogenesis and photosynthesis in Arabidopsis by deacetylating non-histone proteins.

This study uses NIR-II fluorescence confocal microscopy to observe fast chloroplast dynamics in intact leaves, revealing rapid avoidance responses in submerged leaves to red light.

The paper examines RbcL evolution in four plant clades, finding positive selection and convergent substitutions, with stability linked to temperature but weakened after phylogenetic correction.

This paper proposes and evaluates C3.5 photosynthesis, a novel strategy to enhance Rubisco efficiency by coupling mitochondrial bioenergetics to chloroplast carbon assimilation in Arabidopsis.

The paper creates and characterizes LH2 variants in PNSB to study energy transfer dynamics and their impact on light-harvesting efficiency and bacterial fitness.

The paper identifies RNA-binding proteins in cyanobacteria, revealing that metabolic enzymes have conserved RNA-binding functions across species.

This paper reviews methods for detecting Carbon Concentrating Mechanisms (CCMs) in aquatic plants and proposes a new molecular assay for PEPC expression to better characterize photosynthetic diversity in aquatic species.

The paper investigates the evolutionary origin of chaperone dependence in Rubisco biogenesis and finds that this dependence evolved neutrally and can be reversed without affecting catalytic function.

The paper expresses heterologous photosynthesis genes from Chloroflexota in Rhodobacter sphaeroides to study thermophilic photosynthesis and provides metagenomic analysis of high-temperature reaction center sequences.

The paper determines RubisCO structures in Chlamydomonas reinhardtii using CryoET, revealing their arrangement and interactions within the pyrenoid.

The paper identifies a structural variation in lhcb6 in maize landraces that affects photosystem II maximum quantum efficiency through differential accumulation of LHCII antenna components.

The paper presents a cryo-EM structure of a Cyt c:PSI complex from Chlamydomonas reinhardtii, revealing key interactions involved in electron transfer.

This study identifies the evolutionary origin of Lhcx in diatoms and shows its role in photoprotection through non-photochemical quenching.

The paper investigates NPQ development in aspen and Arabidopsis npq mutants under photoinhibitory and non-photoinhibitory conditions, finding that sustained quenching can occur independently of photoinhibition.

This study identifies MutS2A and MutS2B as critical for plastid ribosome quality control in Arabidopsis, resolving ribosome collisions and supporting tissue greening during de-etiolation.

This study shows Chlamydomonas reinhardtii can rapidly reprogram its photoprotective strategies in response to changes in diurnal light intensity, with LL-acclimated cells recovering faster than HL-acclimated cells.

This study characterizes Photosystem I in a red-shifted Acaryochloris marina strain, revealing structural and spectroscopic mechanisms for far-red light absorption and the role of PsaX2 in enabling these adaptations.

The paper identifies conserved RNA structures in plastid genomes across plants using a covariation-based pipeline, revealing known and novel regulatory elements.

This study identifies heme as a chloroplast-to-nucleus retrograde signal that regulates plasmodesmata function to control intercellular trafficking in plants.

This study shows glucose prevents chlorosis in Synechocystis sp. PCC 6803 by altering redox balance and photosynthetic electron flow, suggesting a redox-sensitive checkpoint links metabolic state to nitrogen deprivation response.

This study evolves Synechocystis strains to tolerate high light, finds genetic mutations that improve photosynthesis and biomass, and identifies key genes involved in light tolerance.

The paper identifies APE1 as a Cu-binding superoxide detoxifying enzyme essential for photosynthetic acclimation to oxygenic environments.

This study identifies mutations that enhance high-light tolerance in Synechocystis by increasing NDH proteins and reducing specific phycobilisome linker proteins.

The paper reports the structure of the PSI-SOD supercomplex from Chromera velia, showing how energy conversion and oxidative stress protection are directly coupled.

This study purifies and analyzes PSI-LHCI supercomplexes from Euglena gracilis, revealing a unique pigment profile including diadinoxanthin and distinct from green-lineage organisms.

The paper identifies an ARF2-GRF5 module that regulates chloroplast biogenesis through both GLK-dependent and independent mechanisms in Arabidopsis.

The paper introduces a cost-effective long-read sequencing method for quantifying RNA editing and intron retention in plant chloroplast transcripts, showing MORF2's role in RNA maturation.

The paper identifies lipid metabolism and contact site homologs enriched at the chloroplast envelope-thylakoid interface, revealing their role in maintaining membrane architecture.

This study examines how blue light influences the photosynthetic apparatus of the seagrass Posidonia oceanica across different depths, identifying a novel PSI-LHCII supercomplex and depth-dependent structural adaptations.