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Rubisco in seagrasses converged on lower catalytic efficiencies and CO2/O2 affinities than in their terrestrial and freshwater relatives, as a result of correlative adaptation between Rubisco and the effectiveness of their CO2-concentrating mechanisms.
An embryo-maternal communication orchestrates cell division orientation and cell fate specification during embryonic root development. This signalling is mediated by the WIP gene family members expressed embryonically and maternally.
The normalized difference vegetation index is an established remote sensing indicator for measuring greenspace, but this Letter highlights a potential drawback to be taken into account when applying the index in urban areas.
How pathogen signals perceived by receptor kinases activate plant immunity is not fully understood. Here the authors show that phosphocoding of a shared phosphatase ensures signalling from growth and immune receptors to specific cellular responses.
S-acylation modifies cysteine residues of proteins with fatty acid moieties. An optimized acyl-resin-assisted capture assay was used to perform a comprehensive analysis of plant protein S-acylation. These data provide an atlas of S-acylation in Arabidopsis.
Pyruvate use in respiration or biosynthesis is a pivotal decision in cells. The identification of two distinct pools of pyruvate inside plant mitochondria demonstrates the heterogeneity and flexibility of pyruvate use in plant metabolism.
Polysaccharide methylation, important for cell wall structure and function, occurs in the Golgi and relies on the import of S-adenosyl methionine (SAM) molecules into the Golgi lumen by Golgi SAM transporters. This work shows the discovery and relevance of putative SAM transporters.
Division tracking of mesophyll cells shows that initial division plane orientations alternate creating cell walls at right angles, and intercellular spaces. Disruption of this pattern halts initiation of multi-cell junctions and intercellular spaces.
Patterns for the cultivation and domestication of ancient cereals can be difficult to reconstruct, but this Article demonstrates a functional ecological model that can identify soil disturbance and related plant traits, marking a new understanding of early cereal management.
Vitamin D insufficiency is a major public health problem requiring dietary fortification and supplement solutions. This study produced gene-edited tomato lines that accumulate provitamin D3 in fruits, offering a new dietary source of vitamin D3.
Pan et al. develop a versatile CRISPR-Combo platform for simultaneous genome editing (targeted mutagenesis or base editing) and gene activation in plants, representing a versatile genome engineering tool with promising applications in crop breeding.
To enhance CO2 fixation, algae concentrate CO2 in an organelle called the pyrenoid. A biophysical model provides systematic analysis of the mechanism and determines the minimal steps for its engineering into crops to enhance yields.
Foliar spray of double-stranded RNA carried on clay particles or BioClay affords protection against multiple life stages of whitefly in crop hosts. The sprayed dsRNA makes its way to the vasculature of plants and is taken up by whiteflies during feeding.
Gene regulation modulates endoplasmic reticulum (ER) stress by as yet largely unknown effectors in plants. A systems biology approach identifies and characterizes GBF2 as a new transcriptional regulator of plant ER stress responses.
The genome of the flying spider-monkey tree fern and investigations on stem formation and secondary metabolite biosynthesis promote our understanding of fern evolution and arborescence, facilitating the protection and utilization of this endangered species.
By analysing the state of representation of traditional varieties of 25 major crops in ex situ repositories, this study demonstrates conservation progress made over more than a half-century and identifies the gaps remaining to be filled.
Soil-borne Agrobacterium tumefaciens can transform plants by transferring part of its DNA, which subsequently integrates into the host genome. This study reveals how the 5′ end of this bacterial DNA becomes stably attached to plant genomic DNA.
Upstream open reading frames (uORFs) can repress translation efficiency to achieve low but precise protein production. Wu et al. show that uORFs function to buffer a stable production of a clock protein, TOC1, for sustaining a robust circadian rhythm in plant cells.
A network of ABA-responsive transcription factors emerges from a genome-wide comparative analysis of four Brassicaceae species, including Arabidopsis thaliana and extremophyte Schrenkiella parvula. Rewiring of growth hormone subnetworks might explain the different physiological responses to stress.
Mutant analysis shows that sucrose synthase makes no substantial contribution to transitory starch synthesis in Arabidopsis leaves, resolving a 20-year-old controversy about one of the most important pathways of photosynthetic metabolism.
