Photosynthetic Processes and Mechanisms

The paper investigates the evolutionary changes in mitochondrial and plastid targeting sequences in land plants, showing divergence in charge and the emergence of a phosphatase involved in targeting sequence processing.

This study identifies chloroplast NADH dehydrogenase-like complex (NDH) as a protective factor against PSI photoinhibition under chilling stress by comparing two cucumber cultivars.

This study investigates CAO gene duplication across Viridiplantae, finding independent duplications in land plants and a conserved degron sequence in embryophytes.

The paper identifies structural determinants of far-red absorption in Photosystem I of Arabidopsis by analyzing cryo-EM structures and quantum mechanics calculations.

This study uses cryo-ET and AI-based methods to analyze thylakoid membrane organization in spinach chloroplasts, revealing similarities to green algae despite differences in 3D architecture.

This study shows that reducing Cyt b6/f content in tobacco enhances PSI protection against photoinhibition under fluctuating light but reduces electron transport capacity.

This study identifies a unique Lhce light-harvesting complex in Euglena gracilis that dynamically associates with PSII and expands PSI light harvesting, revealing an alternative strategy for light acclimation in secondary plastids.

This study validates the use of Clark-type O2 electrodes to measure photosynthesis and respiration in Arabidopsis seedlings, showing their sensitivity to environmental and genetic factors.

This study shows that both the violaxanthin and diadinoxanthin xanthophyll cycles can efficiently contribute to NPQ in the diatom Phaeodactylum tricornutum.

This study compares single-cell transcriptomes of two independently evolved C4 dicot species to identify conserved gene expression patterns in bundle sheath cells.

The paper identifies common variants of the Farquhar-von-Caemmerer-Berry model that can introduce errors in photosynthetic parameter estimation, particularly the 'min-A variant' and omission of triose phosphate utilization thresholds.

This study uses cryo-ET to reveal the structure and dynamics of native pyrenoid Rubisco in Chlamydomonas reinhardtii, showing variations in active site and dimer interface and associations with binding proteins.

This study shows that RBD1 and HCF136 opposingly regulate psbA translation in response to light-induced D1 damage in chloroplasts.

This study identifies CrHCF244 as a psbA translation factor in Chlamydomonas, showing functional conservation with Arabidopsis HCF244 and suggesting alternative factors exist.

This paper develops a model showing that dynamic oxygen permeability in Trichodesmium enhances nitrogen fixation and growth by reducing photorespiration and maintaining low intracellular oxygen levels.

The paper investigates the role of c-di-AMP and SbtB in cyanobacterial diurnal metabolism, finding that their disruption leads to metabolic dysregulation and diurnal lethality.

This study examines photosynthetic variation in maize and sorghum cultivars across canopy strata, finding significant differences in CO2 assimilation and physiological traits.

This paper develops a GC-MS-based method to measure PEPC activity in vivo by analyzing positional 13C enrichment in aspartate from Synechocystis cultures.

The paper analyzes carbon metabolism acclimation in Arabidopsis thaliana rosettes under different environmental conditions, finding tissue-specific differences in photosynthetic and metabolic responses.

This study shows light-dark cycle-dependent rhythmic coordination between mitochondrial and chloroplast activity in Chlamydomonas reinhardtii.

This paper introduces the LIgHT approach to test mechanistic hypotheses of genetic variations in plant stress tolerance, finding that chilling stress tolerance is linked to avoiding PSII photodamage.

The paper develops a cyanobacterial platform to screen Rubisco mutants, identifying a variant with improved thermostability and resilience to detrimental exchanges.

This study expresses flavodiiron proteins in Nicotiana tabacum, showing they enhance pseudo-cyclic electron transport and compete with cyclic electron transport under fluctuating light conditions.

This study solves cryo-EM structures of phycobilisomes from Gloeobacter violaceus under different light conditions, revealing unique proteins and structural adaptations for light intensity changes.

This study investigates the role of the xanthophyll cycle in Nannochloropsis oceanica, showing it balances photoprotection and light-use efficiency by modulating enzyme levels and photoprotective mechanisms.

This study examines how Arabidopsis thaliana responds to oscillating light by analyzing chlorophyll fluorescence and developing a model to explain the observed dynamics.

This paper uses in vivo directed evolution to improve the oxygen resistance of a fast Rubisco variant from Gallionellaceae, identifying mutations that enhance carboxylation efficiency under ambient oxygen.

The paper identifies ARC6 as a regulator of chloroplast division by modulating ARC3 activity through its J-like domain, ensuring proper Z-ring assembly and positioning.

This paper identifies Rbp3 as an RRM domain protein in Synechocystis that binds mRNAs encoding photosynthesis proteins and localizes near ribosomes.

The paper investigates the phylogenetic distribution and regulation of threonine 78 phosphorylation in Rubisco activase across plant species, finding light-dependent dephosphorylation only in Arabidopsis.