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This genome-wide association study identifies CELL DIVISION CYCLE-ASSOCIATED PROTEIN 7 (CDCA7) as a regulator of DNA methylation in natural Arabidopsis thaliana populations. CDCA7 binds the chromatin remodeller DDM1 and modulates the control of CG methylation.
This study reports a modular-cloning-based platform for high-throughput chloroplast engineering in Chlamydomonas reinhardtii that allows large-scale characterization of genetic parts and prototyping of new traits, as demonstrated for the photorespiration pathway.
Using advanced imaging techniques and computer modelling, the authors were able to create a detailed structural model of a nuclear pore complex from a seed plant.
In maize, ZmDapF1 suppresses the activity of ZmMDH6 in chloroplasts, exacerbating oxidative damage under drought. Knocking out ZmDapF1 or using its favourable allele with lower gene expression enhances drought resilience without yield penalty.
Seagrass genomes of the deep-water Zostera pacifica and shallow-water Z. marina from the Eastern Pacific Ocean provide evidence for low-light adaptation exemplified in the wild hybrid Z. marina × pacifica subjected to low-light stress in aquaria.
This study reports that m6A on retrotransposon RNAs is recognized by nuclear readers CPSF30-L and ECT12, which associate with SUVH4/5/6 and ATXR5/6 to enhance H3 K9 dimethylation and H3 K27 monomethylation at specific sites, thereby leading to closed heterochromatin states and transcriptional silencing.
Rab5 GTPases deliver RopGEF8 from endosomes to the pollen plasma membrane, establishing polarity for germination. This crosstalk between trafficking and signalling GTPases is crucial for the reproductive success of flowering plants.
This study reports an unusual tomato ripening regulator, SlSAD8, that targets distinct subcellular compartments to disturb nuclear gene transcription and chloroplast-associated protein degradation, thus uncovering a pathway for fruit ripening.
Pl@ntBERT is a language-based AI model that learned the ‘syntax’ of plant assemblages, predicting likely species and inferring habitats by modelling biotic relationships.
Four receptor-like cytoplasmic kinases (RLCKs) phosphorylate guanine nucleotide exchange factors (RopGEFs), filling a critical gap in the signalling pathway connecting cell surface auxin and RHO GTPases (ROPs) in Arabidopsis.
Kang et al. uncover an anterograde signalling pathway that coordinates the transition of chloroplast function from biogenesis to degeneration, ensuring the timely onset of leaf senescence.
This study characterizes the pan-centromere landscape and evolutionary dynamics in Brassica, generating and comparing telomere-to-telomere genome assemblies of multiple morphotypes and shedding light on centromere evolution during domestication.
This study reports that the gene SMPED1, located in a previously identified dichogamy-determining region in Alpinia species, controls the timing of sex-organ synchrony, improving our understanding of the evolutionary mechanisms of plant sexual diversity.
This study reveals that mobile transcriptional regulators DELLA and SHORT-ROOT control the number of root inner cortex cell layers able to host symbiotic arbuscular mycorrhizal fungi in Medicago truncatula.
This study reveals that plant proteins MAIL1, MAIN and MAIL2 function as anti-silencing factors that maintain active gene expression. They bind specific DNA motifs to prevent Polycomb-mediated repression, which is crucial for normal development.
Feng et al. uncover a retrograde trafficking route from the plant vacuole, showing that sorting nexins retrieve the plant-specific SNARE VAMP727 and revealing distinct pathways from the core retromer system.
Iridoids are terpenoid metabolites found in thousands of plants. Using single-cell transcriptomics, the authors discovered an unexpected enzyme that has been neofunctionalized to catalyse the cyclization required to form the iridoid scaffold.
A chromatin-associated complex, which is dynamically regulated by TOR kinase at the translational level, functions to suppress the transcription of stress-responsive genes marked by histone acetylation, thereby coordinating plant growth and stress tolerance.
