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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.
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.
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.
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.
By editing the mitochondrial genome and screening a large number of deletion mutants, this study shows that clean knockout mutants for a mitochondrial gene can be obtained and used to construct a synthetic cytoplasmic male sterility system.
Wu et al. show that mutations of the Polycomb repressive complex 2 gene, OsFIE2, result in asexual embryo formation in rice, suggesting a critical role of the epigenetic regulation in maintaining the quiescent state of the egg apparatus.
Pre-zygotic reproductive barriers are a vital defence against interspecific pollen transfers in plants. This study shows that SPRI2/SRS7, a transcription factor, regulates the formation of interspecific reproductive barriers in Arabidopsis.
This study reveals the role played by the RNR10-DNR1-auxin module in modulating rice root system architecture and nitrogen uptake, making it a promising target for enhancing nitrogen-use efficiency and grain yield for future sustainable agriculture.
This study demonstrates that orange carrot was selected during the Renaissance period, probably in western Europe, through the selection of three recessive genes that increased the provitamin A carotenoid (α- and β-carotene) content.
Single-nucleus transcriptomes uncover cell type-specific gene reprogramming in response to nod factors in Medicago, including a defence response at 30 min, which largely returned to normal at 6 h. The results reveal that MtFER interacts with LYK3 and regulates rhizobial symbiosis.
A deep-learning-based ‘organelle segmentation network’ (OrgSegNet), performing pixel-wise segmentation to identify various organelles, is an innovative tool for plant organelle phenotyping and 3D cell reconstruction.
Studying cultivar-specific sensitivities of yield components to environmental variables during developmental subphases provides deep insight into the three-way interactions between phenology, yield formation and environmental fluctuations.
The independently evolved extreme holoparasites Balanophora and Sapria display convergent characteristics of genome modifications, including gene loss in particular pathways, reduction of multigene families and relaxed selection pressures.