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In vivo imaging of an elicitor-induced nitric oxide burst in tobacco.
- I. Foissner, D. Wendehenne, C. Langebartels, J. Durner
- Biology, Medicine
- The Plant journal : for cell and molecular…
- 1 September 2000
NO-induced fluorescence was found in several cellular compartments, and could be inhibited by a NO scavenger and an inhibitor of nitric oxide synthase, and revealed additional similarities between plant and animal host responses to infection. Expand
Arabidopsis Exocyst Subcomplex Containing Subunit EXO70B1 Is Involved in Autophagy‐Related Transport to the Vacuole
It is shown that exo70B1 is functionally completely different from EXO70A1 exocyst subunit and adopted a specific role in autophagic transport, which represents an endomembrane trafficking route, which is widely used in plants, not only during stress situations, but also for vacuole biogenesis and during developmental processes. Expand
The Fine Structure of Fuscheria terricolaBerger et al., 1983 and a Proposed New Classification of the Subclass Haptoria Corliss, 1974 (Ciliophora, Litostomatea)
The different kinds of kinetids which contribute to the rhabdos and the dorsal brush (presence/absence) are the clue characters for a revised classification of the Haptoria. Expand
Reversible protein phosphorylation regulates the dynamic organization of the pollen tube cytoskeleton: effects of calyculin A and okadaic acid
The changes in actin organization caused by the PP2A inhibitors were similar to those observed upon overexpression of AtRop1, suggesting that hyperphosphorylation interferes with the signalling pathway of small GTPases. Expand
Nitric oxide burst and nitric oxide-dependent gene induction in plants
Data on the NO burst induced by elicitor treatment of tobacco is presented and it is shown that NO treatment of Arabidopsis thaliana plants induces transcription of several genes associated with defense responses, revealing additional similarities between plant and animal host responses to infection. Expand
Wide-ranging effects of eight cytochalasins and latrunculin A and B on intracellular motility and actin filament reorganization in characean internodal cells.
This work investigated the effects of cytochalasins A, B, C, D, E, H and J and dihydrocytochalasin B in an ideal experimental system for cell motility, the giant internodal cells of the characean alga Nitella pseudoflabellata to provide insights into the mechanisms by which cytocalasins and latrunculins interfere with characeans actin to inhibit motility. Expand
FM dyes label sterol-rich plasma membrane domains and are internalized independently of the cytoskeleton in characean internodal cells.
The inhibitor experiments suggest that FM uptake is active but independent of actin filaments, actin polymerization and microtubules, and that the plasma membrane of characean internodal cells contains discrete domains which are enriched in sterols and probably correspond to clusters of lipid rafts. Expand
Disturbance of endomembrane trafficking by brefeldin A and calyculin A reorganizes the actin cytoskeleton of Lilium longiflorum pollen tubes
It is shown that subapical membrane aggregations and actin baskets supporting retrograde membrane flow can also be induced by calyculin A, indicating that dephosphorylation by type 2 protein phosphatases is required for proper formation of membrane coats and polar membrane trafficking. Expand
Microtubule disassembly enhances reversible cytochalasin-dependent disruption of actin bundles in characean internodes
This first report on the complete and reversible disassembly of characean actin bundles provides new insights into the mechanism of actin bundle assembly and organization and supports the idea of indirect interactions between actin filaments and microtubules. Expand
Microfilaments and microtubules control the shape, motility, and subcellular distribution of cortical mitochondria in characean internodal cells
- I. Foissner
- Biology, Medicine
- 22 December 2004
Observations suggest that mitochondria of characean internodes possess motor proteins for microtubules and actin filaments, both of which can be used either as tracks for migration or for immobilization within the cell. Expand