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A Plant Vacuolar Protease, VPE, Mediates Virus-Induced Hypersensitive Cell Death
TLDR
VPE deficiency prevented virus-induced hypersensitive cell death in tobacco plants and showed that plants have evolved a regulated cellular suicide strategy that, unlike PCD of animals, is mediated by VPE and the cellular vacuole. Expand
Stomagen positively regulates stomatal density in Arabidopsis
TLDR
It is shown that a novel secretory peptide, which is designated as stomagen, is a positive intercellular signalling factor that is conserved among vascular plants and provides evidence of a mesophyll-derived positive regulator of stomatal density. Expand
Myosin-dependent endoplasmic reticulum motility and F-actin organization in plant cells
TLDR
A model whereby dynamic three-way interactions between ER, F-actin, and myosins determine the architecture and movement patterns of the ER strands, and cause cytosol hauling traditionally defined as cytoplasmic streaming is suggested. Expand
Vacuolar sorting receptor for seed storage proteins in Arabidopsis thaliana
TLDR
It is shown that a type I membrane protein, AtVSR1/AtELP, of Arabidopsis functions as a sorting receptor for storage proteins, demonstrating a receptor-mediated transport of seed storage proteins to protein storage vacuoles in higher plants. Expand
Identification and Characterization of Nuclear Pore Complex Components in Arabidopsis thaliana[W][OA]
TLDR
Surprisingly, plant nucleoporins shared a similar domain organization to their vertebrate (human) and yeast (Saccharomyces cerevisiae) counterparts and exhibited higher sequence homology to vertebrate nucleoparins than to yeast nucleopOrins. Expand
Myosin XI-i Links the Nuclear Membrane to the Cytoskeleton to Control Nuclear Movement and Shape in Arabidopsis
TLDR
A new type of nucleocytoplasmic linker consisting of a myosin motor and nuclear membrane proteins is described, which might enable rapid nuclear positioning in response to environmental stimuli in plants. Expand
Morphological classification of plant cell deaths
TLDR
A classification based on morphological criteria is suggested of PCD associated with the hypersensitive response to biotrophic pathogens, which can express features of both necrosis and vacuolar cell death, PCD in starchy cereal endosperm and during self-incompatibility. Expand
Transport of Storage Proteins to Protein Storage Vacuoles Is Mediated by Large Precursor-Accumulating Vesicles
TLDR
Results suggest that the unique PAC vesicles might mediate a transport pathway for insoluble aggregates of storage proteins directly to protein storage vacuoles. Expand
A slow maturation of a cysteine protease with a granulin domain in the vacuoles of senescing Arabidopsis leaves.
TLDR
Results indicate that the intermediate of RD21 was accumulated in the vacuoles as an aggregate, and then slowly matured to make a soluble protease by removing the granulin domain during leaf senescence. Expand
Vacuolar Processing Enzyme Is Essential for Mycotoxin-induced Cell Death in Arabidopsis thaliana*
TLDR
In vivo and in vitro analyses demonstrate that γVPE is the proteinase that exhibits a caspase-1 activity that is a key molecule in toxin-induced cell death and suggest that a susceptible response of toxin- induced cell death is caused by the VPE-mediated vacuolar mechanism similar to a resistance response of hypersensitive cell death. Expand
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