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A Receptor-like Kinase Mediates the Response of Arabidopsis Cells to the Inhibition of Cellulose Synthesis
The results show that THE1 mediates the response of growing plant cells to the perturbation of cellulose synthesis and may act as a cell-wall-integrity sensor. Expand
Growth control and cell wall signaling in plants.
Describing cell wall-related processes that may require or can be targets of CWI signaling and discussing the current understanding ofCWI signaling pathways and future prospects in this emerging field of plant biology are discussed. Expand
Novel receptor kinases involved in growth regulation.
The conservation of both extracellular and kinase domains suggests that the three receptors bind to related ligands and have similar cellular outputs, which may involve the production of reactive oxygen species. Expand
Sphingolipids Containing Very-Long-Chain Fatty Acids Define a Secretory Pathway for Specific Polar Plasma Membrane Protein Targeting in Arabidopsis[W]
It is shown that Arabidopsis has two classes of ceramide synthases discriminating acyl chain length and also that very-long-acyl-chain sphingolipids are required for polar auxin transport in particular during lateral root emergence and a trafficking pathway with specific endomembrane compartments and polar auxIn transport protein cargoes is defined. Expand
Host-pathogen warfare at the plant cell wall.
Some plant cell wall fragments, notably oligogalacturonic acids, elicit similar defence responses in plants as the non-specific PAMP elicitors, suggesting that PAMP signalling may provide a good model for studying cell wall integrity sensing in plants. Expand
CHITINASE-LIKE1/POM-POM1 and Its Homolog CTL2 Are Glucan-Interacting Proteins Important for Cellulose Biosynthesis in Arabidopsis[W][OA]
This article shows that the secreted CTL1/POM1 and its close homolog CTL2 interact with glucan-based polymers and influence cellulose crystallinity and cell expansion, and proposes that the apoplastic CTLs regulate cellulose assembly and interaction with hemicelluloses via binding to emerging cellulose microfibrils. Expand
Homogalacturonan synthesis in Arabidopsis thaliana requires a Golgi-localized protein with a putative methyltransferase domain.
- G. Mouille, M. Ralet, +9 authors H. Höfte
- Biology, Medicine
- The Plant journal : for cell and molecular…
- 25 April 2007
The results lead to the hypothesis that QUA2 is a pectin MT, and that polymerization and methylation of homogalacturonan are interdependent reactions. Expand
Mutations in UDP-Glucose:Sterol Glucosyltransferase in Arabidopsis Cause Transparent Testa Phenotype and Suberization Defect in Seeds1[C][W][OA]
A membrane function for SGs and acyl SGs in trafficking of lipid polyester precursors and cellulose biosynthesis was observed in the double mutant, inconsistent with a predicted role forSGs in priming cellulose synthesis. Expand
The Role of Salicylic Acid in the Induction of Cell Death in Arabidopsis acd111
- P. Brodersen, F. G. Malinovsky, K. Hématy, M. Newman, J. Mundy
- Biology, Medicine
- Plant Physiology
- 27 May 2005
It is shown that sid2-2 fully suppresses SA accumulation and cell death in acd11, although growth inhibition and premature leaf chlorosis still occur, and that some acd 11 phenotypes require NahG-degradable compounds not synthesized via isochorismate. Expand
OCTOPUS Negatively Regulates BIN2 to Control Phloem Differentiation in Arabidopsis thaliana
- Pauline Anne, Marianne Azzopardi, L. Gissot, Sébastien Beaubiat, K. Hématy, J. Palauqui
- Biology, Medicine
- Current Biology
- 5 October 2015
A role for OPS is demonstrated as a positive regulator of the brassinosteroid (BR) signaling pathway upstream of the key transcription factors BES1 and BZR1 and directed protein interactions identified BIN2, a GSK3 protein involved in multiple signaling pathways, as a partner of OPS. Expand