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The Function of the CLE Peptides in Plant Development and Plant-Microbe Interactions
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Trends in Plant Science 8: Nitric oxide induces stomatal closure and enhances the adaptive plant responses against drought stress. Plant Physiology Giba, Z.
Pattern recognition receptors and signaling in plant–microbe interactions
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Kopyra, M. Nitric oxide stimulates seed germination and counteracts the inhibitory effect of heavy metals and salinity on root growth of Lupinus luteus.
Phenolic acids act as signaling molecules in plant-microbe symbioses
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Mackerness, S. Early signalling components in ultraviolet-B responses: distinct roles for different reactive oxygen species and nitric oxide. FEBS Letters Quorum sensing is an example of multicellular behaviour in prokaryotes and regulates diverse physiological processes in beneficial and pathogenic bacteria.
This can be achieved either through AHL production in planta or by engineering plants with the ability to degrade AHL molecules. The latter approach is particularly promising as a mechanism to confer disease resistance to Erwinia species. The degree of communication within and between mixed bacterial communities and the role that naturally produced plant metabolites may have upon this communication are likely to be fruitful areas for research in the coming years.
I thank James Newton for reviewing the manuscript. Thin layer chromatogram showing the range of AHLs produced by various Erwinia carotovora species. After chromatography, AHLs were located by overlaying the chromatogram with agar seeded with the Chromobacterium violaceum strain mutant for cviI the gene required for AHL synthesis.
The presence of AHLs is indicated by complementation of the mutation and restoration of the production of the purple pigment, violacein. The sensitivity of the C. The photograph shows the leaves 4 d after infection. Inhibition of quorum sensing responses. In B, the well contains water whilst in C it contains a crude strawberry extract. Inhibition of antibiotic production an AHL response is revealed by growth of the E.