نتایج جستجو برای: fungal elicitor
تعداد نتایج: 54389 فیلتر نتایج به سال:
Abstract Grapevine powdery mildew is caused by Erysiphe necator that seriously harms grape production in the world. Stilbene synthase makes phytoalexins contribute to resistance of grapevine against mildew. A novel VqNSTS3 was identified and cloned from Chinese wild Vitis quinquangularis accession Danfeng-2. Novel transferred into susceptible ‘Thompson Seedless’ Agrobacterium-mediated transform...
Abstract Common in Fungal Extracellular Membrane (CFEM) domain proteins are considered to be unique fungi and closely related pathogenicity. However, the Puccinia striiformis f. sp. tritici ( Pst ) effector containing CFEM has not been reported. Here, we obtained an effector, PstCFEM1, a functional N-terminal signal peptide sequence from race CYR31. qRT-PCR assay indicated that transcript level...
We analyzed the expression patterns of several pathogen defense-related genes in primary leaf buds of parsley by in situ RNA hybridization. Labeled antisense RNA probes were generated from seven selected cDNAs detecting transcripts from genes that are rapidly and strongly activated in cultured parsley cells upon treatment with fungal elicitor. These genes encode two enzymes of general phenylpro...
To deter pathogenic microorganisms and herbivores, plants have developed an inducible chemical defense system. It is known that the induced synthesis of low molecular weight compounds can be provoked by exposing cultured cells to fungal cell wall fragments. In this study we show that endogenous jasmonic acid and its methyl ester accumulate rapidly and transiently after treatment of plant cell s...
Plants or plant cells in vitro, show physiological and morphological response to microbial, physical or chemical factors which are known as ‘elicitors’. Elicitation is a process of induced or enhanced synthesis of secondary metabolites by the plants to ensure their survival persistence and competitiveness. The application of elicitors, which is currently the focus of research, has been consider...
Opium poppy (Papaver somniferum) produces a diverse array of bioactive benzylisoquinoline alkaloids, including the narcotic analgesic morphine and the antimicrobial agent sanguinarine. In contrast to the plant, cell cultures of opium poppy do not accumulate alkaloids constitutively but produce sanguinarine in response to treatment with certain fungal-derived elicitors. The induction of sanguina...
Resistance of soybean (Glycine max L.) seedlings to Phytophthora megasperma var. sojae (Pms) is in part due to the accumulation in infected tissue of a compound which is toxic to Pms. The accumulation of this compound, a phytoalexin called glyceollin, is triggered by infection, but it can also be triggered by molecules, "elicitors," present in cultures of Pms. The ability of the Pms elicitor to...
Cultured parsley (Petroselinum crispum) cells respond to treatment with elicitors derived from different species of the genus Phytophthora with transcript accumulation of defense-associated genes and the production of furanocoumarin phytoalexins. Pep-25, an oligopeptide fragment of a Phytophthora sojae 42-kDa cell wall protein, and a cell wall elicitor preparation derived from Phytophthora para...
The tomato (Lycopersicon esculentum) resistance (R) gene Cf-9 is required for resistance to races of the fungal pathogen Cladosporium fulvum expressing the elicitor Avr9 and also confers responsiveness to Avr9 in Cf-9-containing transgenic tobacco (Nicotiana tabacum; Cf9 tobacco). Although protein phosphorylation is required for many early Avr9/Cf-9-signaling events, so far the only phosphoryla...
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