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Arabidopsis photoreceptor CRY2 controls chlorophyll homeostasis by blue light-induced liquid–liquid phase separation of the CRY2/SPA1/FIO1 complex, resulting in activation of the m6A writer FIO1, regulating mRNAs encoding chlorophyll homeostasis proteins.
The SCOOP signalling peptide family expands to 50 members, whose activities are strictly dependent upon the receptor kinase MIK2. Two subtilase classes process PROSCOOPs, generating bioactive SCOOP peptides. A subtilase mutant phenocopies the mik2 receptor mutant.
14C measurements show coast redwoods (Sequoia sempervirens) remobilize decades- to century-old carbon reserves to regrow leaves after a rare fire. To do so, trees resprout from dormant bud tissue maintained for centuries or more.
A comprehensive pangenome map of 22 elite tea cultivars unveils genetic variants that influence flavour, leaf colour and bud flush timing, facilitating our understanding of the molecular basis of tea quality and genomics-assisted breeding.
The genome of the Asian pitcher plant shows a decaploid structure and highlights the differential contributions of subgenomes to the evolution of novel genes, such as those associated with dioecy and trapping pitcher leaves.
To avoid autoimmunity against the microbiome, plants use PHYTOSULFOKINE RECEPTOR 1-mediated regulation of salicylic acid signalling to tune the plant growth–defence balance in response to microbiota.
This study identified two plant synaptonemal complex central element proteins—SCEP1 and SCEP2. Mutant versions of these proteins do not synapse, have more crossovers but lose crossover interference and show reduced heterochiasmy.
This study shows that the tRNA-modifying enzymes TRM1A/TRM1B are essential to attain the steady-state pool of tRNAs and reveals how they functionally cooperate with RNase P in vivo for the early steps of tRNA biogenesis in Arabidopsis.
This study reports the striking discovery that a water-impermeable barrier known as suberin lamellae was first evolved in the common ancestor of seed plants and contributed to their evolutionary success.
Ji and colleagues show that the specific angiosperm growth-governing DELLA–SLY1/GID2 protein interaction evolved from a broader ancestral affinity, suggesting affinity narrowing to be a general evolutionary driver of interaction specificity.
Using transcriptomic data from ~100,000 informative cells, this study constructed a dynamic cell atlas during the process of de-etiolation induced by light for Arabidopsis seedlings, revealing comprehensive development responses at single-cell resolution.
The cryo-EM structures of SOS1 in the auto-inhibited and activated states reveal that SOS1 undergoes an inhibition–release process upon activation and uses an elevator transport mechanism for Na+/H+ exchange in response to salt stress.
This study reveals differential roles of conserved oligomeric Golgi subunits in governing Golgi integrity, particularly in prompting accelerated energy-scarcity-induced senescence and establishing a link between Golgi integrity and the cellular ageing processes.
The plasma membrane Na+/H+ exchanger SOS1 is crucial for plant salt tolerance. Here the authors report the structure of SOS1 from Arabidopsis thaliana in two conformations, which provide structural and functional insight into SOS1 activity regulation.
Integrating inventory data with machine learning models reveals the global composition of tree types—needle-leaved evergreen individuals dominate, followed by broadleaved evergreen and deciduous trees—and climate change risks.
Large-scale and abrupt forest decline occurred in Central Chile in response to acute drought. The extreme conditions, unprecedented in the recent history of all Mediterranean-type ecosystems, are akin to those projected for the second half of the century.
Martinek et al. found that the ARP2/3 complex forms spot-like structures on peroxisomes where it colocalizes and interacts with autophagosomes. Other experiments suggest that ARP2/3 is involved in pexophagy in plant cells.
The deaminases of base editors alone can induce unpredictable off-target edits. This paper describes a simple and generalizable solution for base editors containing distinct deaminases to suppress off-target edits in plant, yeast and human cells.