Titlebook: Signal Molecules in Plants and Plant-Microbe Interactions; Ben J. J. Lugtenberg Conference proceedings 1989 Springer-Verlag Berlin Heidelb

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Phosphorylation of Plant Plasma Membrane Proteins in Response to Oligosaccharides that Regulate Protl 1984; West . 1984; Darvill and Albersheim 1984). In dicotyledonous plants polygalacturonides are major constituents of the primary cell wall and oligomeric fragments are released in response to pathogen or insect attacks. The nature of the polygalacturonic acid (PGA) oligomers that are released .,

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The Potential Use of the Glucuronidase Reporter Gene and Antisense Technologies to Unravel Biologicahogens (Lamb et al 1989) and induction of nodulation (Firmin et al 1986; Zaat et al 1987). Furthermore, they have been implicated in UV-protection (Schmelzer et al 1988) and regulation of auxin transport (Jacobs and Rubery 1988). The multitude of functions suggest complex regulation and one might wo

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Signalling Elements in Higher Plants: Identification and Molecular Analysis of an Auxin-Binding Prothese receptors initiates the production of active messengers, including the well studied cyclic adenosine monophosphate (cAMP) as well as the recently discovered messenger molecules that are derived from phosphoinositides such as arachidonic acid, inositol-l,4,5-triphosphate, and 1,2-diacylglycerol

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Release of Phytoalexin Elicitor-Active Oligogalacturonides by Microbial Pectic Enzymesnts, but shorter oligogalacturonides do not have this effect (Hahn . 1981; Nothnagel . 1983; Jin & West 1984; Davis . 1986; Robertsen 1986; De Lorenzo . 1987b; Cervone . 1989). Phytoalexin elicitor-active oligogalacturonides are thought to be released from the plant cell wall by the action of two gr

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Elicitation of Phytoalexins by Synthetic Oligoglucosides, Synthetic Oligogalacturonides, and their Doalexins is a response observed in a number of plant-pathogen interactions (Dixon 1986; Ebel 1986). Phytoalexins accumulate rapidly at the site of infection, and reach levels inhibitory to microbial growth quickly enough to play a role in defense against disease (Hahn . 1985). Several studies have d

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Conditional Requirement for Chemotaxis in Induction of Rooty Tumors by ,, on Roots of ,,pact on plant health. Little is known about production and regulation of plant factors that influence the rhizosphere environment. Components of exudates from roots can influence the gene expression and growth of soilborne microorganisms (for ex Stachel et al 1985, Peters et al 1986, reviewed in Cur