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Calcium in plant defence-signalling pathways.
This work focuses on calcium signalling in plant defence responses, particularly on the generation of the calcium signal and downstream calcium-dependent events participating in the establishment of defence responses with special reference to calcium-binding proteins.
Analysis and Effects of Cytosolic Free Calcium Increases in Response to Elicitors in Nicotiana plumbaginifolia Cells Article, publication date, and citation information can be found at
Cell suspensions obtained from Nicotiana plumbaginifolia plants stably expressing the apoaequorin gene were used to analyze changes in cytosolic free calcium concentrations, demonstrating that [Ca2+]cyt increase is mediated by cryptogein–receptor interaction.
The pre-symbiotic growth of arbuscular mycorrhizal fungi is induced by a branching factor partially purified from plant root exudates.
The isolation of a semipurified fraction from exudates of carrot hairy roots, highly active on germinating spores of Gigaspora gigantea, which is proposed to be a key plant signal for the development of AM fungi.
Cadmium affects tobacco cells by a series of three waves of reactive oxygen species that contribute to cytotoxicity.
It is shown that the accumulation of O(2) (-*) of mitochondrial origin and membrane peroxidation are key players in Cd(2+)-induced cell death and trigger all the cadmium-dependent deleterious effects.
A novel calmodulin-binding protein functions as a negative regulator of osmotic stress tolerance in Arabidopsis thaliana seedlings.
The AtCaMBP25 gene functions as a negative effector of osmotic stress tolerance and likely participates in stress signal transduction pathways.
The nucleus together with the cytosol generates patterns of specific cellular calcium signatures in tobacco suspension culture cells.
It is shown here that the nuclear compartment contributes together with the cytosol to produce calcium signal patterns that discriminate hypo- from hyper-osmotic treatments, i.e. turgor from tension.
Functional expression of a tobacco gene related to the serine hydrolase family -- esterase activity towards short-chain dinitrophenyl acylesters.
Sequence similarities between the tobacco esterase and expressed sequence tags in databases suggest the existence of members of this enzyme family in various plant species.