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The industrial use of elicitors as alternative tools for disease control needs the identification of abundant sources of them. We report on an elicitor obtained from the green algae Ulva spp. A fraction containing most exclusively the sulfated polysaccharide known as ulvan-induced expression of a GUS gene placed under the control of a lipoxygenase gene(More)
Staggered Spondaic Word (SSW) test results were studied in 93 normally achieving children and 97 children referred to a learning disabilities clinic. All subjects were 8-11 years of age. The SSW test was found to differentiate between the normally achieving children and those experiencing classroom learning difficulties. Further, it was found that the(More)
Essential oil from Gaultheria procumbens is mainly composed of methylsalicylate (MeSA) (>96%), a compound which can be metabolized in plant tissues to salicylic acid, a phytohormone inducing plant immunity against microbial pathogens. The potential use of G. procumbens essential oil as a biocontrol agent was evaluated on the model plant Arabidopsis(More)
The Asp-derived amino acid pathway has been studied during the early stages of development in two maize genotypes, Io and F2, differing in germination efficiency and post-germination growth. In both genotypes expression of Ask2 (monofunctional Asp-kinase-2), Akh1 and Akh2 (bifunctional Asp-kinase-homo-Ser dehydrogenase-1 and 2), increased throughout(More)
mapped to mouse chromosome 11 (1, 2). Csfg has also been reported to lie on chromosome 11 (3), although this claim has recently been challenged (4). Comparative mapping studies have identified regions of extensive homology between mouse chromosome 11 and human chromosomes 5 and 17 (4), allowing linkage data for mouse chromosome 11 to be applied to the human(More)
Although freshwater insects are known to accumulate trace metals in the laboratory from both water and food, the relative importance of metal sources for these animals, as well as the rate at which they take up and eliminate their metal, has not been measured in nature. We describe a novel in situ approach that allowed us to determine that trophic transfer(More)
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