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Showing 1 to 18 of 18 for “"methyl jasmonate"”.
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Enhancing human health promoting activity through the regulation of the methyl jasmonate mediated glucosinolate biosynthesis in Brassica oleracea
… bioactivity. Recent data suggest that methyl jasmonic acid (MeJA) can increase concentrations of GS and polyphenolics in Brassica plants. In Chapter 2 tissue/organ specific responses to MeJA treatments were investigated in five cultivars of broccoli and two cultivars of kale in field …
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Dissecting the jasmonate singalling pathway in Arabidopsis thaliana
… thesis aimed to further our understanding of jasmonate signalling by identifying specific promoter elements and associated transcription factors important for gene regulation by methyl jasmonate. A cDNA encoding a β-glucosidase, PYK10, was previously isolated using the differential display …
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Applications of titanium-mediated reductive coupling and cyclocarbonylation reactions toward natural product synthesis
… analogues, in particular PGF<sub>2α</sub> and methyl jasmonate. Based on this hetero Pauson-Khand strategy, we have established an efficient racemic route to both the prostaglandin and the methyl jasmonate core skeletons. Moderate to excellent selectivities with regard to the hetero …
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The effects of jasmonates on the proliferation of human prostate cancer cell lines in culture
Jasmonic acid (JA), cis-Jasmone (CJ), and Methyl jasmonate (MJ), belong to a family of plant stress hormones known as the jasmonates. In plants, these compounds function as activators of cellular responses to diverse situations including cell death. Proliferation and cytotoxicity assays showed that …
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Metabolite Production in Callus Culture of Burdock (Arctium lappa L.)
… developed, we added different concentrations of methyl jasmonate and sucrose to the culture media and assessed their effects on callus growth and phenolic production. To identify and quantify the phenolic components in burdock callus, we analyzed the phenolic extraction from callus by the …
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Manipulation of Anthocyanin Accumulation by Vaccinium Pahalae in Vitro
… was exhibited by cultures treated with exogenous methyl jasmonate (MJ), a signaling compound. The addition of 0.5 muM MJ alone provoked a striking 2.8 fold increase in anthocyanin production over the control, however, no additive effect on anthocyanin production was observed in any treatments …
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Development of Novel Anti-microbial Plant Essential-Oil Treatments to Reduce the Postharvest Incidence of Botrytis cinerea of Strawberries
… <p>The combination of ethanol (495.5 ppm), methyl jasmonate (4.5 ppm), citral (30 ppm), linalool (30 ppm), and vanillin (30 ppm) was the most effective formula to reduce rot and increase shelf-life overall and strawberries treated with 600 ppm of this blend maintained acceptable organoleptic …
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Integrated Multiple-tactic Management of the Redbanded Stink Bug on Soybeans in Louisiana
… the field. Results from this study showed that methyl jasmonate had a significant impact on the number of fire ants collected during a 5-minute time interval. Overall, results from this research provide important information on the integrated pest management (IPM) of P. guildinii and other stink …
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Gene expression associated with drought tolerance in Xerophyta viscosa Baker
… exogenous supply of abscisic acid, ethylene and methyl jasmonate. Localization studies of the XVDH encoded protein showed that XVDH is located in the plasma membrane-cell wall region.
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Improving biomass of the marine microalga Nannochloropsis oculata by chemical elicitation
… was cultured autotrophically in the presence of methyl jasmonate (MJ) and salicylic acid (SA) to determine the effects on growth and lipid biosynthesis. Interestingly, 100 μM of MJ added on day 21 of cultivation elicited a 34.3% higher accumulation of lipids than nitrogen starved conditions (0 …
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Combinatorial biochemistry of triterpene saponins in plants
… induction of triterpene saponin biosynthesis by methyl jasmonate treatment, a genome-wide cDNA-AFLP transcript profiling was carried out for the five plants. Taking into account the putative functional annotation and the expression pattern of the visualized transcript tags, a set of 259 candidate …
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A molecular approach to study the monoterpene-induced response in Arabidopsis thaliana
… ocimene or myrcene caused increased levels of methyl jasmonate (MeJA) in Arabidopsis rosette leaves. However, plants treated with monoterpene prior to wounding or feeding by cabbage looper did not reveal any significant priming effect for these pre-treatments.
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The glucosinolate/myrosinase system: variation in glucosinolates, hydrolysis products, transcript abundance, and quinone reductase bioactivity in Brassica sp. crops
… this study. Lastly, we examined the effect of methyl jasmonate (MeJA) elicitation on the transcript levels of glucosinolate/myrosinase system genes in broccoli. MeJA treatment showed significant effects on transcript abundance for a number of the surveyed genes, although varietal and …
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Circadian regulation and phytohormone responses of cytochrome P450 monooxygenase genes in Arabidopsis
… different phytohormone treatments including methyl jasmonate (MeJ), salicylic acid (SA), abscisic acid (ABA) and indole-3-acetic acid (IAA). My analysis of transcript profiles of seedlings treated with individual hormones indicated the responses of many P450 genes to these hormone treatments …
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Genetic and phenotypic characterisation of an Arabidopsis thaliana jasmonic acid signalling mutant, jam2
… accumulation after exogenous application of the methyl ester of JA, methyl jasmonate (MeJA), was employed. A recessive, monogenic mutant, jasmonic acid modified2 (jam2), was isolated from T-DNA activation tagged lines and characterized genetically and phenotypically. jam2 was found not to be …
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Dietary interventions for reduction of prostate carcinogenesis in rodent models
… effects of consumption of standard broccoli and methyl-jasmonate (MeJa) treated broccoli, a broccoli higher in bioactive, indole-glucosinolates, on expression of EMT markers in TRAMP mice with well-differentiated adenocarcinoma. Immunohistochemical analysis of E-cadherin and N-cadherin across a …
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Functional studies of lignin biosynthesis genes and putative flowering gene in Miscanthus x giganteus and studies on indolyl glucosinolate biosynthesis and translocation in Brassica oleracea
… gene expression levels in response to exogeneous methyl jasmonate (MeJA) treatment were analyzed in different tissue types at different developmental stages of broccoli. Greater accumulation of GSs with MeJA treatment was observed in apical leaves of broccoli seedlings and florets of plants at …
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Reinigung, Klonierung und heterologe Expression der Methyljasmonat-Esterase aus Lycopersicon esculentum
… und beschrieben werden, das die Hydrolyse von Methyljasmonat (MeJA) zu Jasmonsäure (JA) katalysiert. Das Enzym wurde als Methyljasmonat-Esterase (MeJA-Esterase) bezeichnet. Mittels Methyl-[2-14C]JA und [Methyl-3H]MeJA wurden qualitative und quantitative Enzymtestsysteme etabliert, welche die …