Plant Micronutrient Interactions and Effects

Iron sensing modules participate in rhizospheric pH perception in rice

The paper identifies Fe availability as a key factor in rhizospheric pH perception in rice through JA-auxin crosstalk.

Combining agronomic biofortification with a Zn-efficient wheat line synergistically increases grain Zn concentrations with varied effects on Cd in wheat grains

This study shows that combining genetic and agronomic biofortification strategies significantly increases wheat grain zinc while varying cadmium levels.

IRON DEFICIENCY RESHAPES THE POPLAR ROOT AND EXUDATE METABOLITE PROFILES AND DRIVES EXUDATE-MEDIATED IRON MOBILIZATION

This study investigates how iron deficiency under alkaline conditions alters poplar root and exudate metabolite profiles and their ability to mobilize iron.

FE DEFICIENCY-INDUCED KELCH REPEAT PROTEIN 1 (FDK1) links coumarin metabolism and iron homeostasis during alkaline iron deficiency in Arabidopsis

This study identifies FDK1 as a regulator of coumarin metabolism and iron homeostasis in Arabidopsis under alkaline iron deficiency.

The conserved function of bHLH121 and overexpression of N-terminal bHLH121 fragment suppresses iron deficiency response in Arabidopsis

This study investigates the conserved function of bHLH121 in Arabidopsis Fe homeostasis and shows that N-terminal fragment overexpression suppresses Fe deficiency response.

The plasma membrane bound transporter COPPER TRANSPORTER 2 facilitates palladium uptake in Arabidopsis

This study identifies COPT2 as a transporter facilitating palladium uptake in Arabidopsis and shows it activates similar detoxification mechanisms as zinc, copper, and cadmium.

HY5 orchestrates the transcriptional network controlling coumarin-mediated iron acquisition under elevated pH conditions

This study identifies HY5 as a master regulator of coumarin-mediated iron acquisition under alkaline conditions in Arabidopsis thaliana.

Redox-active di-O-methylated coumarins exudation contributes to genotype-dependent iron deficiency tolerance in soybean

This study identifies genotype-dependent exudation of catechol methylsideretin in soybean roots under Fe deficiency, showing its role in Fe mobilization and tolerance.

MYB28 and MYB29 transcription factors regulate iron homeostasis and iron-mobilizing coumarin biosynthesis in Arabidopsis thaliana

This study identifies MYB28 and MYB29 as regulators of iron homeostasis and coumarin biosynthesis in Arabidopsis under iron deficiency.

Asynchronous origins of Yellow-Stripe transporters and Nicotianamine Synthase underlie the evolution of plant Strategy-II iron uptake

The paper traces the evolutionary origins of YSL transporters and NAS in plants, showing they arose asynchronously and independently, supporting the exaptation of pre-existing transport mechanisms for Strategy-II iron uptake.

Genome-wide association study of grain iron and zinc concentrations in a diverse CIMMYT wheat panel across contrasting moisture environments

This study identifies genetic loci associated with grain iron and zinc concentrations in wheat under different moisture conditions using genome-wide association analysis.

Haplotypes variations of yellow stripe like (TaYSL) genes are associated with grain iron and zinc contents in wheat (Triticum aestivum L.)

This study identifies TaYSL gene haplotypes associated with grain iron and zinc content in wheat and shows their distribution in global wheat collections.

Expanding the TaNAS gene family in bread wheat and exploring potential for intragenic biofortification

This study identifies 34 TaNAS genes in bread wheat and shows overexpression of specific TaNAS genes increases grain Fe, Zn, and NA concentrations without affecting agronomic traits.

Proline-2'-deoxymugineic acid (PDMA) increases seed quality and yield by alleviating iron deficiency symptoms in soybean under calcareous-alkaline conditions

This study shows that PDMA improves soybean growth, yield, and nutrient content under calcareous-alkaline conditions by enhancing Fe uptake and reducing deficiency symptoms.

Field and lab phenomics facilitate detection of genetic variation for iron deficiency chlorosis tolerance in sorghum

The paper develops field and lab phenotyping methods to detect genetic variation for iron deficiency chlorosis tolerance in sorghum, showing improved genetic signal detection with filtered data and controlled-environment assays.

CRISPR/Cas9 editing of the wheat iron sensor TaHRZ1 confirms its conserved role in iron homeostasis and allocation in grains

This study uses CRISPR-Cas9 to edit wheat TaHRZ1 homoeologs, showing enhanced iron loading in grains and supporting their role in iron homeostasis.

Zinc and iron homeostatic interactions in a mutant lacking nicotianamine vacuolar storage and citrate xylem loading

This study examines how disrupting citrate and nicotianamine (NA) transport in Arabidopsis affects metal homeostasis, leading to oxidative stress and developmental defects.

Cell wall charge gates iron availability in plant roots

The paper shows that plant cell wall charge regulates iron retention and bioavailability by acting as an electrostatic gate, with implications for nutrient homeostasis.

TurboID-based proteomic profiling reveals proxitome of the IRT1 metal transporter and new insight into metal uptake regulation in plants

The paper uses TurboID to identify IRT1 interacting proteins in Arabidopsis, revealing new insights into metal uptake regulation.

Significant increase in root exudation of 2'-deoxymugineic acid (DMA) as a response to zinc deficiency in rice

This study shows that rice plants increase DMA exudation under Zn deficiency, supporting its role as a general stress response, though Zn uptake does not increase.

Seed specific overexpression of a modified wheat Or gene leads to enhanced β-carotene in rice and wheat grains

This study shows that overexpressing a modified wheat Or gene in rice and wheat seeds increases β-carotene content by up to 13-fold in rice and 7-fold in wheat.

A three amino acid sequence gates protein stability control of bHLH104 and iron uptake in Arabidopsis thaliana

This study identifies a three-amino-acid sequence in bHLH104 that is critical for its regulation by the BTS E3 ligase, affecting iron homeostasis in Arabidopsis thaliana.

Systemic Iron Signaling via OPT3 Influences Reductive Uptake and Coumarin Secretion

This study shows that systemic signaling via OPT3 coordinates reductive Fe uptake and coumarin secretion in Arabidopsis under Fe limitation.

Point mutation in sensor triples zinc levels in Sorghum bicolor

The paper identifies a point mutation in the ZSM of sorghum bZIP19/23 homolog that increases seed zinc levels by three-fold without developmental issues.

OsIDS3L, a Non-Canonical Dioxygenase Enhancing Iron Homeostasis and Micronutrient Biofortification in Rice

This study identifies OsIDS3L as a gene involved in iron homeostasis and micronutrient biofortification in rice, suggesting a non-canonical phytosiderophore biosynthesis pathway.

Iron and zinc biofortification in potato through the introduction of NICOTIANAMINE SYNTHASE and FERRITIN genes

This paper develops a high-iron and high-zinc potato variety by co-expressing AtNAS1 and PvFERRITIN genes, achieving significant biofortification without yield loss.

Natural variation in the Arabidopsis thaliana root and shoot response to boron deficiency reveals sensitive and responsive phenes and phylogenetic and geographic clustering of boron efficiency adaptations

This study examines Arabidopsis thaliana responses to boron deficiency across 185 accessions, identifying phenes and clustering patterns related to boron efficiency.

Foliar Application of Polymer-coated Manganese Dioxide Nanoparticles: Mechanisms of Uptake and Metabolic Responses in Manganese Deficient Barley

This study shows that polymer-coated MnO2 nanoparticles improve Mn uptake and metabolic functions in Mn-deficient barley through stomatal entry and translocation, without causing leaf damage.

The chloroplast ionome shines new light on organellar Fe homeostasis

The paper quantifies chloroplast ionomes in multiple species and shows that genetic manipulation affects iron storage in chloroplasts.

Four ZIPs contribute to Zn, Fe, Cu and Mn acquisition at the outer root domain

The paper identifies ZIP transporters involved in Zn, Fe, Cu, and Mn uptake in Arabidopsis roots and highlights their roles in metal acquisition.