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Image credit: Joe Earle
Volume 197, Issue 4, April 2025
News and Views
Turn up the red: MADS-RIN-DIVARICATA1 module positively regulates carotenoid biosynthesis in nonclimacteric pepper fruits
Hijacking host metabolism: PstEXLX1 suppresses Triticum aestivum defense responses by targeting a formate dehydrogenase
Letters
The relationship between wall extensibility, hydraulic conductance, and turgor pressure during expansive growth
A dimensionless number elucidates the behavior of turgor pressure and growth rate as water uptake decreases and provides insight into plant growth during water deficits.
The microRNA-encoded peptide miPEP398b regulates heat tolerance in grapevine
A microRNA-encoded peptide modulates heat tolerance in grapevine via a circular regulatory pathway involving heat shock factors and heat shock proteins.
CLCf is an endosomal resident proton/chloride antiporter during salt stress
CHLORIDE CHANNEL f (CLCf) has a role in maintaining trans-Golgi Network/Early Endosome function under all conditions and is unlikely to mediate plasma membrane chloride transport during salt stress.
Research Reports
Membranous translation platforms in the chloroplast of Chlamydomonas reinhardtii
A spatiotemporal “assembly line” involving 2 membrane types supports translation for photosynthesis complex biogenesis.
MIZU-KUSSEI 1 regulates root hydrotropism and cytokinin signal transduction by interacting with cytokinin receptors
MIZU-KUSSEI1 plays an essential role in root hydrotropism by regulating the cytokinin signaling response.
Research Articles
The polar-localized borate exporter BOR1 facilitates boron transport in tapetal cells to the developing pollen grains
A borate exporter facilitates boron transport in tapetal cells toward the locule, thereby supporting pollen development in young anthers under boron-limited conditions.
TTLOC: A Tn5 transposase-based approach to localize T-DNA integration sites
TTLOC is a Tn5 transposase-based tool for evaluating genetically engineered plants, with potential applications in crop breeding and plant synthetic biology.
Time-course dual RNA-seq analyses and gene identification during early stages of plant-Phytophthora infestans interactions
A time-course dual RNA-sequencing analysis of the early stages of interactions between Phytophthora infestans and 3 solanaceous species reveals host resistance and pathogen virulence genes.
Loss of the cytochrome b6f subunit PetN destabilizes the complex and severely impairs state transitions in Anabaena variabilis
The cytochrome b6f complex in the cyanobacterium Anabaena variabilis ATCC 29413 requires the small subunit PetN for stability and the complex's potential role in state transitions.
AtSRGA: A shiny application for retrieving and visualizing stress-responsive genes in Arabidopsis thaliana
The Arabidopsis thaliana Stress-Responsive Gene Atlas visualizes gene behavior under 11 stress-related conditions and offers an interactive, user-friendly interface accessible to all researchers.
The OsIAA3-OsARF16-OsBUL1 auxin signaling module regulates grain size in rice
The auxin signaling pathway targets a gene encoding an atypical bHLH protein that positively regulates rice grain size by promoting cell expansion.
Chromatin remodeling factor 28 and heat shock factor A2 activate binding immunoglobulin protein 3 under heat stress
A chromatin remodeling factor positively regulates pepper plant heat tolerance by activating a heat shock protein through HEAT SHOCK FACTORA2-dependent and -independent pathways.
Target of rapamycin signaling regulates starch degradation via α-glucan water dikinase in a unicellular red alga
Target of rapamycin signaling enhances starch contents by regulating the activity of α-glucan water dikinase, through changing its phosphorylation status in the red alga Cyanidioschyzon merolae.
MiR164a-targeted NAM3 inhibits thermotolerance in tomato by regulating HSFA4b-mediated redox homeostasis
MicroRNA164a enhances heat tolerance in tomato, whereas its target gene NO APICAL MERISTEM 3 counteracts this effect through changes in redox homeostasis and the accumulation of heat shock proteins.
Three Rho of Plant (ROP)-GTPase regulatory proteins control ROP-mediated alkaloid biosynthesis in Catharanthus roseus
Specific Rho of plant (ROP)-GTPase regulatory proteins control ROP-GTPase-mediated modulation of monoterpene indole alkaloid biosynthesis by interacting with distinct ROPs in Catharanthus roseus.
The carboxylesterase AtCXE12 converts volatile (Z)-3-hexenyl acetate to (Z)-3-hexenol in Arabidopsis leaves
A carboxylesterase hydrolyzes the green leaf volatile (Z)-3-hexenyl acetate in Arabidopsis leaves, and similar activity in leaf extracts from several other plant species suggests a conserved mechanism for green leaf volatile metabolism.
The transcription factors MYB80 and TEK coordinate callose wall degradation and pollen exine formation in Arabidopsis
The transcription factors MYB80 and TEK regulate 5 genes encoding β-1,3-glucanase, which plays an important role in callose degradation of the tetrad wall and timely formation of the pollen wall.
Increased chloroplast area in the rice bundle sheath through cell-specific perturbation of brassinosteroid signaling
Cell-specific manipulation of brassinosteroid signaling reveals a role in chloroplast development in rice that can be used to increase chloroplast area in bundle sheath cells.
Heat stress response and transposon control in plant shoot stem cells
In heat-stressed Arabidopsis, shoot meristem stem cells preserve their developmental programs, while surrounding somatic cells exhibit a strong heat response.
Cistanthe longiscapa exhibits ecophysiological and molecular adaptations to the arid environments of the Atacama Desert
Cistanthe longiscapa exhibits weak or strong CAM photosynthesis under varying aridity levels in the Atacama Desert, which is associated with contrasting gene expression patterns during dawn and dusk.
A powdery mildew core effector protein targets the host endosome tethering complexes HOPS and CORVET in barley
An effector protein from powdery mildew fungi interacts with a shared component of 2 barley endosomal tethering complexes, thereby interfering with host endomembrane trafficking and immunity.
PHOTOPERIOD 1 enhances stress resistance and energy metabolism to promote spike fertility in barley under high ambient temperatures
The major barley photoperiod response gene PHOTOPERIOD 1 enhances stress resistance, thereby maintaining spike carbon metabolism to drive floret and grain development under high ambient temperatures.
Nodule organogenesis in Medicago truncatula requires local stage-specific auxin biosynthesis and transport
Dynamic spatiotemporal expression of auxin biosynthesis and auxin transport carrier genes results in specific auxin outputs during different stages of nodule primordia and nodule meristem formation.
Ceratostigma willmottianum mineralizes atmospheric carbon dioxide into calcium carbonate in a high-calcium environment
The flowering shrub Ceratostigma willmottianum converts atmospheric CO2 into CaCO3 in high-calcium environments.
Regulation of Crassulacean acid metabolism at the protein level in Kalanchoë laxiflora
Regulation of Crassulacean acid metabolism depends on adaptive changes in proteins and post-translational modifications, in addition to transcript and protein abundance.
A galactolipase activated by high light helps cells acclimate to stress in cyanobacteria
A galactolipase has been identified in Synechococcus elongatus PCC 7942 and shown to be involved in high-light-induced deacylation of membrane lipids, allowing cells to acclimate to such conditions.
Integration of multi-omics data and deep phenotyping provides insights into responses to single and combined abiotic stress in potato
Integrated multi-omics analysis of high-throughput phenotyping in potato reveals distinct molecular signatures of acclimation to single and combined abiotic stresses related to climate change.
Multiscale imaging locates thermogenic tissues and reveals the role of Ca2+ in floral thermogenesis
Infrared thermal imaging integrated with micro X-ray fluorescence enables locating thermogenic tissues in the lotus (Nelumbo nucifera Gaertn.) receptacle.
Breaking the barrier of human-annotated training data for machine learning-aided plant research using aerial imagery
Machine learning approach accelerates plant phenotyping by reducing large amounts of human-annotated data, enabling faster and more efficient detection of a plant trait using aerial imagery.
Large-scale comparative wheat phosphoproteome profiling reveals temperature-associated molecular signatures in wheat
A framework enables identification of protein phosphorylation sites associated with varying temperature sensitivities in wheat.
Diphthamide formation in Arabidopsis requires DPH1-interacting DPH2 for light and oxidative stress resistance
Biosynthesis of the diphthamide modification of Arabidopsis eukaryotic TRANSLATION ELONGATION FACTOR 2 and common levels of light and oxidative stress tolerance require DPH1 and its interactor DPH2.
Mutations in HEADING DATE 1 affect transcription and cell wall composition in rice
A zinc finger transcription factor that is central to photoperiodic flowering also plays a role in determining cell wall composition and abiotic stress responses in rice.
The transcription factors PIF4 and PIF5 interact with WRINKLED1 to modulate fatty acid biosynthesis during seed maturation
PHYTOCHROME-INTERACTING FACTOR (PIF)4 and PIF5 promote fatty acid biosynthesis during seed maturation by interacting with WRINKLED1, a transcription factor that regulates fatty acid biosynthesis.
The molecular basis and evolution of the organellar RNA editosome by complementary DYW deaminases in seed plants
Mutational analysis identified key amino acid residues required to activate the plant organellar RNA-editing enzyme through complementation, suggesting a shared mechanism across diverse species.
Jasmonic acid signaling and glutathione coordinate plant recovery from high light stress
ROS production at high light induces oxylipin biosynthesis, while jasmonic acid acts as a molecular memory of the stress and activates gene expression promoting recovery from high light stress.