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This study reports the structure of a photosystem I assembly intermediate isolated from greening oat seedlings. It defines PsaF as a regulatory checkpoint promoting the association of LHCI that couples biogenesis to function.
Analyses of three newly sequenced modern cultivar cotton genomes revealed sequence and structural variation alongside traces of ancient and ongoing introgressions. Moreover, transcriptome analysis pointed at unique fibre quality traits of cultivars.
In most flowering plants, early divisions of endosperm nuclei are not succeeded by cellularization. This study uncovered a family of clustered auxin response factors as dosage-sensitive, maternally expressed regulators of endosperm cellularization.
Removing the large inverted repeat region from the chloroplast genome revealed a gene dosage benefit for the ribosomal RNA operon. The reduced genome size resulted in increased genome copy numbers and offers potential for synthetic biology.
Tang et al. utilized proximity labelling to assemble the Arabidopsis nuclear pore-associated proteome and revealed the nuclear pore as an integrated platform coupling multiple steps in gene expression regulation, beyond its conventional transport role.
Quan et al. show that warming-induced changes in plant community height in a cold, high-elevation region enhance ecosystem carbon sequestration, emphasizing the importance of plant traits in shaping the carbon cycle under climate change.
The authors integrate spatial (Stereo-seq) and single-cell transcriptomes of the developing maize ear to produce an atlas of maize ear cells and their developmental trajectories. They also identify a pair of transcription factors involved in inflorescence development.
Wang and colleagues report a two-dimensional root carbon trait space coupled with the root economics space, offering molecular insights into the great diversity of root form and function.
Abiotic stresses challenge plant growth. In response, plants often rapidly accumulate proline. This study reveals the filament structures of plant P5CS, the key enzyme in proline synthesis, elucidating a unique mechanism for its efficient catalysis.
This study shows that optimizing soybean nodulation, rather than supernodulation, through editing improves N and C assimilation by balancing source–sink relationships. As a result, soybean yield and protein content are simultaneously increased in field conditions.
This study identifies PPKs as authentic protein kinases phosphorylating the far-red light photoreceptor phytochrome A and demonstrates that liquid–liquid phase separation of TZP promotes PPK-mediated phosphorylation of phytochrome A in far-red light.
Repeat expansions can induce gene silencing exemplified by growth defects in plants to genetic diseases in humans. This paper shows key roles for post-translational modifiers, histone readers and the polycomb repressive complex in this gene silencing.
In global drylands, soils tend to be more fertile beneath tree, shrub and grass islands. Soil fertility was greater beneath taller and wider plants but was unaffected by either grazing pressure or the type of herbivore.
The ‘non-canonical’ type-B BZR/BES transcription factor, MpBZR3, has been shown to be a regulator of the development of female and male reproductive organs in the model bryophyte Marchantia polymorpha.
NARROW LEAF1 (NAL1) exerts a multifaceted influence on rice leaf morphology and yield. Recent crystal study proposed that histidine 233 (H233) is part of the catalytic triad. Here we report that H234 instead of H233 is a component of the catalytic triad alongside D291 and S385.
The cryo-EM structure shows us how thousands of protein components self-assemble into Prochlorococcus α-carboxysome. The scaffolding protein CsoS2 crosslinks the icosahedral-like shell and internal RuBisCOs, and determines the size of α-carboxysome.
Using a combination of single-cell and spatial transcriptomic analysis, Serrano et al. uncover transcriptional dynamics during the establishment of arbuscular mycorrhizal symbiosis.