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View article: Arabidopsis Microtubule-BRI1 Associated Proteins negatively regulate hypocotyl elongation by controlling brassinosteroid-dependent cortical microtubule reorientation
Arabidopsis Microtubule-BRI1 Associated Proteins negatively regulate hypocotyl elongation by controlling brassinosteroid-dependent cortical microtubule reorientation Open
Brassinosteroids (BRs) are steroid-type phytohormones that are essential for plant growth, development, and adaptation to environmental stresses. BRs are known to control microtubule (MT) orientation, which is pivotal for directional growt…
View article: Canonical tyrosine‐based motifs are required for constitutive endocytosis and polarity of <scp>IRT1</scp> and contribute to metal uptake
Canonical tyrosine‐based motifs are required for constitutive endocytosis and polarity of <span>IRT1</span> and contribute to metal uptake Open
SUMMARY Endocytosis regulates the localization and abundance of plasma membrane proteins. Several endocytic mechanisms were shown to operate in plants. The plant metal transporter IRT1 was previously shown to undergo ubiquitin‐mediated end…
View article: A RALF-brassinosteroid signaling circuit regulates Arabidopsis hypocotyl cell shape
A RALF-brassinosteroid signaling circuit regulates Arabidopsis hypocotyl cell shape Open
Plant cells survey and modulate their cell walls to control their shape and anisotropic growth. Signaling mediated by the plant steroid hormones brassinosteroids (BR) plays a central role in coordinating cell wall status and cell growth, a…
View article: Metal-sensing properties of the disordered loop from the Arabidopsis metal transceptor IRT1
Metal-sensing properties of the disordered loop from the Arabidopsis metal transceptor IRT1 Open
The plant iron-regulated transporter 1 (IRT1) iron transporter is a plasma membrane protein that takes up iron in the root under iron-limited conditions. Besides its primary metal substrate iron, IRT1 transports other divalent metals that …
View article: Metal sensing properties of the disordered loop from the Arabidopsis metal transceptor IRT1
Metal sensing properties of the disordered loop from the Arabidopsis metal transceptor IRT1 Open
The plant IRT1 iron transporter is a plasma membrane protein that takes up iron in root upon iron-limited conditions. Besides its primary metal substrate iron, IRT1 transports other divalent metals that overaccumulate in plants when soil i…
View article: Broad application of plant protein tagging with ALFA tag for nanobody-based imaging and biochemical approaches
Broad application of plant protein tagging with ALFA tag for nanobody-based imaging and biochemical approaches Open
Summary Epitope tags are broadly used for detecting, modifying or purifying proteins of interest, but their breadth of application is often rather poor. Recently, the rationally designed ALFA tag and its ALFA Nanobody complements the reper…
View article: The calcium sensor <scp>AtCML8</scp> contributes to Arabidopsis plant cell growth by modulating the brassinosteroid signaling pathway
The calcium sensor <span>AtCML8</span> contributes to Arabidopsis plant cell growth by modulating the brassinosteroid signaling pathway Open
SUMMARY Calcium signaling plays an essential role in integrating plant responses to diverse stimuli and regulating growth and development. While some signaling components and their roles are well‐established, such as the ubiquitous calmodu…
View article: Metal sensing properties of the disordered loop from the Arabidopsis metal transceptor IRT1
Metal sensing properties of the disordered loop from the Arabidopsis metal transceptor IRT1 Open
The plant IRT1 iron transporter is a plasma membrane protein that takes up iron in root upon iron-limited conditions. Besides its primary metal substrate iron, IRT1 also transports other divalent metals that overaccumulate in plants when s…
View article: Direct non-transcriptional link between brassinosteroid perception and cortical microtubule reorientation drives hypocotyl growth
Direct non-transcriptional link between brassinosteroid perception and cortical microtubule reorientation drives hypocotyl growth Open
Brassinosteroids (BRs) are steroid-type phytohormones that are essential for plant growth, development and adaptation to environmental stresses. BRs promote cell wall remodelling through extensive reprogramming of gene expression, thus imp…
View article: Multilayered regulation of iron homeostasis in Arabidopsis
Multilayered regulation of iron homeostasis in Arabidopsis Open
Iron (Fe) is an essential micronutrient for plant growth and development due to its role in crucial processes such as photosynthesis and modulation of the redox state as an electron donor. While Fe is one of the five most abundant metals i…
View article: Phosphorylation by <scp>CIPK23</scp> regulates the high‐affinity Mn transporter <scp>NRAMP1</scp> in <i>Arabidopsis</i>
Phosphorylation by <span>CIPK23</span> regulates the high‐affinity Mn transporter <span>NRAMP1</span> in <i>Arabidopsis</i> Open
Manganese (Mn) is essential for plants but is toxic when taken up in excess. To maintain Mn homeostasis, the root Mn transporter natural resistance associated macrophage protein 1 (NRAMP1) cycles from the plasma membrane to endosomes upon …
View article: SUMO/deSUMOylation of the BRI1 brassinosteroid receptor modulates plant growth responses to temperature
SUMO/deSUMOylation of the BRI1 brassinosteroid receptor modulates plant growth responses to temperature Open
Brassinosteroids (BRs) are a class of steroid molecules perceived at the cell surface that act as plant hormones. The BR receptor BRASSINOSTEROID INSENSITIVE1 (BRI1) offers a model to understand receptor-mediated signaling in plants and th…
View article: The receptor kinase SRF3 coordinates iron-level and flagellin dependent defense and growth responses in plants
The receptor kinase SRF3 coordinates iron-level and flagellin dependent defense and growth responses in plants Open
Iron is critical for host–pathogen interactions. While pathogens seek to scavenge iron to spread, the host aims at decreasing iron availability to reduce pathogen virulence. Thus, iron sensing and homeostasis are of particular importance t…
View article: SUMO/deSUMOylation of the BRI1 brassinosteroid receptor modulates plant growth responses to temperature
SUMO/deSUMOylation of the BRI1 brassinosteroid receptor modulates plant growth responses to temperature Open
Brassinosteroids (BRs) are a class of steroid molecules perceived at the cell surface that act as plant hormones. The BR receptor BRI1 offers a model to understand receptor-mediated signaling in plants and the role of post-translational mo…
View article: The receptor kinase SRF3 coordinates iron-level and flagellin dependent defense and growth responses in plants
The receptor kinase SRF3 coordinates iron-level and flagellin dependent defense and growth responses in plants Open
Summary Iron is critical for host-pathogen interactions. While pathogens seek to scavenge iron to spread, the host aims at decreasing iron availability to reduce pathogen virulence. Thus, iron sensing and homeostasis are of particular impo…
View article: Regulation of Root Nutrient Transporters by CIPK23: ‘One Kinase to Rule Them All’
Regulation of Root Nutrient Transporters by CIPK23: ‘One Kinase to Rule Them All’ Open
Protein kinases constitute essential regulatory components in the majority of cellular processes in eukaryotic cells. The CBL-INTERACTING PROTEIN KINASE (CIPK) family of plant protein kinases functions in calcium (Ca2+)-related signaling p…
View article: Endocytosis in plants: Peculiarities and roles in the regulated trafficking of plant metal transporters
Endocytosis in plants: Peculiarities and roles in the regulated trafficking of plant metal transporters Open
The removal of transmembrane proteins from the plasma membrane via endocytosis has emerged as powerful strategy in the regulation of receptor signalling and molecule transport. In the last decade, IRON‐REGULATED TRANSPORTER1 (IRT1) has bee…
View article: Regulation Of Root Nutrient Transporters By CIPK23: “One Kinase 1 To Rule Them All
Regulation Of Root Nutrient Transporters By CIPK23: “One Kinase 1 To Rule Them All Open
International audience
View article: Endocytosis of BRASSINOSTEROID INSENSITIVE1 Is Partly Driven by a Canonical Tyr-Based Motif
Endocytosis of BRASSINOSTEROID INSENSITIVE1 Is Partly Driven by a Canonical Tyr-Based Motif Open
Clathrin-mediated endocytosis (CME) and its core endocytic machinery are evolutionarily conserved across all eukaryotes. In mammals, the heterotetrameric adaptor protein complex-2 (AP-2) sorts plasma membrane (PM) cargoes into vesicles via…
View article: Dynamic Control of the High-Affinity Iron Uptake Complex in Root Epidermal Cells
Dynamic Control of the High-Affinity Iron Uptake Complex in Root Epidermal Cells Open
In plants, iron uptake from the soil is tightly regulated to ensure optimal growth and development. Iron absorption in Arabidopsis root epidermal cells requires the IRT1 transporter that also allows the entry of certain non-iron metals, su…
View article: Experimental toolbox for quantitative evaluation of clathrin-mediated endocytosis in the plant model <i>Arabidopsis</i>
Experimental toolbox for quantitative evaluation of clathrin-mediated endocytosis in the plant model <i>Arabidopsis</i> Open
Clathrin-mediated endocytosis (CME) is a crucial cellular process implicated in many aspects of plant growth, development, intra- and intercellular signaling, nutrient uptake and pathogen defense. Despite these significant roles, little is…
View article: Advanced Cataloging of Lysine-63 Polyubiquitin Networks by Genomic, Interactome, and Sensor-Based Proteomic Analyses
Advanced Cataloging of Lysine-63 Polyubiquitin Networks by Genomic, Interactome, and Sensor-Based Proteomic Analyses Open
The lack of resolution when studying the many different ubiquitin chain types found in eukaryotic cells has been a major hurdle to our understanding of their specific roles. We currently have very little insight into the cellular and physi…
View article: The bifunctional transporter-receptor IRT1 at the heart of metal sensing and signalling
The bifunctional transporter-receptor IRT1 at the heart of metal sensing and signalling Open
International audience