نتایج جستجو برای: phenylpropanoid pathway
تعداد نتایج: 314097 فیلتر نتایج به سال:
Plants synthesize an array of natural products that play diverse roles in growth, development, and defense. The plant-specific phenylpropanoid metabolic pathway produces as some of its major products flavonoids, monolignols, and hydroxycinnamic- acid conjugates. The reduced epidermal fluorescence 4 (ref4) mutant is partially dwarfed and accumulates reduced quantities of all phenylpropanoid-path...
Cytochrome P450 monooxygenases (P450s) play important roles in the synthesis of diverse secondary compounds in Arabidopsis (Arabidopsis thaliana). Comparison of four data sets analyzing seedlings harvested over a 2-d period of constant conditions after growth with varying photoperiods and thermocycles recorded a total of 98 P450 loci as circadian regulated for at least one of the four condition...
Grapevine (Vitis vinifera L.) is rich in phenylpropanoid compounds, namely flavonoids and stilbenes which, present in most tissues, are described as antioxidants and known to accumulate in response to biotic and abiotic stress. Grapevine is then a choice model for studying the interplay between the phenylpropanoid pathway and nutrient deficiency. Here we report the response to sulfur deficiency...
To understand better the biochemistry and underlying genetic control of postharvest discolouration in lettuce, an F7 recombinant inbred population (Saladin x Iceberg) was grown field trials phenotyped. We identified two distinct phenotypes, pinking browning, which were negatively correlated at phenotypic level located six QTL associated with five browning plus total could not be attributed to e...
The phenylpropanoid pathway in plants synthesizes a variety of structural and defence compounds, and is an important target in efforts to reduce cell wall lignin for improved biomass conversion to biofuels. Little is known concerning the trade-offs in grasses when perturbing the function of the first gene family in the pathway, PHENYLALANINE AMMONIA LYASE (PAL). Therefore, PAL isoforms in the m...
Levels of indolic and phenylpropanoid secondary metabolites in Arabidopsis (Arabidopsis thaliana) leaves undergo rapid and drastic changes during pathogen defense, yet little is known about this process in roots. Using Arabidopsis wild-type and mutant root cultures as an experimental system, and the root-pathogenic oomycete, Pythium sylvaticum, for infections, we analyzed the aromatic metabolit...
The genetic basis of the resistance potatoes to Phytophthora infestans is well-studied. Plant P. genetically controlled, and secondary metabolites play a role, but themselves (e.g., phenylpropanoids) are poorly understood. This study aimed characterize effects two isolates host on metabolite expression in potato plants. To do this, phenylpropanoid pathway, chlorogenic acid, flavonoids, salicyli...
Abstract: The aim of this study was to evaluate changes in the physiological quality soybean seeds throughout a storage period two environments, and how these are related metabolites phenylpropanoid pathway. A completely randomized experimental design used 4 × 8 factorial arrangement (storage periods cultivars) with four replications. We from cultivars contrasts lignin content, color, presence ...
Cinnamic acid and its hydroxylated derivatives (p-coumaric, caffeic, ferulic and sinapic acids) are known allelochemicals that affect the seed germination and root growth of many plant species. Recent studies have indicated that the reduction of root growth by these allelochemicals is associated with premature cell wall lignification. We hypothesized that an influx of these compounds into the p...
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