Plant nutrient uptake and metabolism

Phosphate Deficiency Attenuates SnRK1 Activity to Modulate the Phosphate Starvation Response in Arabidopsis thaliana

This study shows that phosphate deficiency reduces SnRK1 activity, which in turn modulates the phosphate starvation response in Arabidopsis thaliana by affecting physiological, proteomic, and metabolic responses.

Inhibiting 2-oxoglutarate dehydrogenase reveals the mechanisms and limits of metabolic plasticity in developing maize kernels

This study investigates the role of 2-oxoglutarate dehydrogenase in maize kernels by knocking it down and analyzing metabolic changes and structural impacts.

A constitutively active cortical nitrate-uptake cell state underlies nitrogen-use efficiency in perennial ryegrass

The paper identifies a constitutively active cortical nitrate-uptake cell state in perennial ryegrass linked to nitrogen-use efficiency, showing differences in transporter expression between high- and low-NUE genotypes.

Structural basis for phosphorylation-induced inactivation of the rice ammonium transporter AMT1;1

This study determines cryo-EM structures of the rice ammonium transporter OsAMT1;1 in wild-type and phosphomimetic states, revealing how phosphorylation induces inactivation by stabilizing a closed channel conformation.

Potassium deficiency reinforces the endodermal but not the exodermal suberized barrier in maize seminal roots

This study shows that potassium deficiency in maize increases endodermal suberin and reduces passage cells, reinforcing the endodermal barrier but not the exodermal one, limiting K leakage from the stele.

Multi-Omics Integration Predicts Cell-Specific Gene Regulatory Response and Rhizosphere Dynamics in Maize Root Fertilizer Treatment

This study integrates multi-omics data to predict cell-specific gene regulatory responses and rhizosphere dynamics in maize roots under fertilizer treatments.

Emergence of tolerance and avoidance strategies from local and systemic responses to nitrogen: insights from modelling of auxin-mediated root plasticity

The paper models auxin-mediated root plasticity to show how local and systemic responses to nitrogen influence uptake and use, revealing a trade-off between avoidance and tolerance strategies.

Nitrate regulates anchor root development

This study identifies nitrate's role in regulating anchor root formation and shows cytokinin's inhibitory effect through IBA to IAA conversion.

Redirecting vacuolar nitrate transport improves nitrogen use efficiency and seed protein content

This study shows that redirecting vacuolar nitrate transport in Arabidopsis increases seed protein content without affecting yield or carbon allocation.

LBD-type transcription factors suppress local and systemic nitrogen responses through distinct regulatory pathways

This study shows that LBD transcription factors repress local and systemic nitrogen responses in Arabidopsis through distinct pathways, enhancing nitrate uptake and N-related gene expression in their absence.

Sentinel plants enable quantitative monitoring of bioavailable nitrate in soils and microbial environments

This paper introduces sentinel plants as living biosensors to monitor bioavailable nitrate in soils and microbial environments, identifying a microbial consortium that enhances plant growth.

The carbon-nitrogen metabolism gene E1OGDH1 influences maize root system architecture and nitrogen plasticity

This study identifies E1OGDH1 as a gene influencing maize root system architecture and nitrogen plasticity through genetic and functional analyses.

Salt stress shifts wild tomato root systems toward transport efficiency along a gravitropism-constrained Pareto front

The paper models how salt stress alters root system architecture in wild tomatoes by incorporating lateral-root curvature and identifies a heritable genetic locus associated with transport efficiency.

Water-conducting roots responsible for nitrogen uptake in maize (Zea mays)

This study shows that maize crown roots are more effective than embryonic roots in nitrate uptake, especially under dry soil conditions.

A tunable receptor separates root barrier formation from nutrient signaling through ligand-perception states

This study shows how the receptor SCHENGEN3 separates root barrier formation from nutrient signaling through distinct ligand-perception states in different plant species.

Uncoupling the Effects of Highland Maize Chromosomal Inversion Inv4m from Leaf Phosphorus Deficiency Responses

This study investigates the role of maize inversion Inv4m in adaptation to phosphorus-deficient soils and finds that phosphorus deficiency does not drive its adaptive value.

Wounding-Induced Redirection of Sugar Transport Fuels Tissue Repair

This study shows that plants redirect sugar transport to fuel tissue repair after wounding by converting sucrose to glucose in the cell wall and importing it into adjacent cells.

Evolutionary Rewiring of Root Cell-Type Nitrogen Responses

The paper shows that nitrogen responses in plant roots are cell-type specific and evolve across species, with NLP7 proteins modulating these responses in Arabidopsis and tomato.

Night-time control of carbohydrate availability in grasses differs radically from that in Arabidopsis

The paper compares night-time carbohydrate control in grasses and Arabidopsis, finding differences in sucrose and starch turnover rates and suggesting regulatory mechanisms involving Tre6P.

Phenological stage influences how white lupin (Lupinus albus) root exudate metabolites respond to phosphorus supply

This study shows that phenological stage has a stronger effect on root exudate metabolites in white lupin than phosphorus supply, with phosphorus effects only observed during flowering.

Comparative cross-species transcriptomic analysis identifies new candidates of Pooideae nitrate response

This study compares transcriptomic responses to nitrate in Arabidopsis, Brachypodium, and barley to identify conserved and species-specific mechanisms, providing a pipeline for cross-species transcriptomic analysis.

Systemic and local regulation of root growth by vascular trehalose 6-phosphate is correlated with re-allocation of primary metabolites between shoots and roots

This study shows vascular trehalose 6-phosphate (Tre6P) regulates root growth systemically and locally by modulating metabolite allocation between shoots and roots.

SlCIPK26 enhances tomato fertility by activating the K+ transporter SlHAK5 in reproductive tissues

This study identifies SlCIPK26 as a key regulator of SlHAK5 in tomato reproductive tissues, enhancing fertility through K+ transport.

Phosphate Starvation-Induced CORNICHON HOMOLOG 5 as Endoplasmic Reticulum Cargo Receptor for PHT1 Transporters in Arabidopsis

This study identifies AtCNIH5 as a Pi starvation-inducible ER cargo receptor that interacts with AtPHT1s to regulate their plasma membrane targeting in Arabidopsis.

A transcriptomic atlas of grass senescence reveals divergent underground sink networks limit nitrogen recycling in annuals

The paper constructs a transcriptomic atlas of grass senescence to identify molecular mechanisms of nitrogen recycling, finding divergent underground sink networks in annual crops.

Molecular basis of delayed leaf senescence induced by short-term treatment with low phosphate in rice

This study shows that short-term low phosphate treatment delays rice leaf senescence by altering metabolic and senescence-associated processes, with MIR827 playing a key role.

Cracking vacuolar fumarate and malate transport shows its function in Arabidopsis metabolism and growth.

This study shows that vacuolar malate and fumarate transport is essential for growth in Arabidopsis, affecting carbon and nitrogen metabolism, pH, and ionic balance.

Leaf age modulates physiological and metabolic responses to contrasting nitrogen forms in Chinese fir (Cunninghamia lanceolata (Lamb.) Hook)

This study examines how leaf age affects physiological and metabolic responses to ammonium and nitrate in Chinese fir, showing age-dependent strategies for nitrogen utilization.

A plasma membrane Ca2+-dependent protein kinase PtCDPK2 promotes phosphorus starvation resilience in Phaeodactylum tricornutum

This study identifies PtCDPK2 as a key protein kinase involved in phosphorus starvation resilience in diatoms by regulating cellular responses to phosphorus availability.

ZmSWEET Sucrose transporters expressed in the endosperm adjacent to the maize embryo are necessary for carbon partitioning and embryo growth

This study identifies ZmSWEET sucrose transporters in maize endosperm adjacent to the embryo as essential for carbon partitioning, embryo growth, and seed development.