منابع مشابه
The phenylpropanoid pathway in Arabidopsis.
The phenylpropanoid pathway serves as a rich source of metabolites in plants, being required for the biosynthesis of lignin, and serving as a starting point for the production of many other important compounds, such as the flavonoids, coumarins, and lignans. In spite of the fact that the phenylpropanoids and their derivatives are sometimes classified as secondary metabolites, their relevance to...
متن کاملAn Arabidopsis mutant defective in the general phenylpropanoid pathway.
Mutants of Arabidopsis deficient in a major leaf phenylpropanoid ester, 2-O-sinapoyl-L-malate, were identified by thin-layer chromatographic screening of methanolic leaf extracts from several thousand mutagenized plants. Mutations at a locus designated SIN1 also eliminate accumulation of the sinapic acid esters characteristic of seed tissues. Because of increased transparency to UV light, the s...
متن کاملGlycosyltransferase efficiently controls phenylpropanoid pathway
BACKGROUND In a previous study, anthocyanin levels in potato plants were increased by manipulating genes connected with the flavonoid biosynthesis pathway. However, starch content and tuber yield were dramatically reduced in the transgenic plants, which over-expressed dihydroflavonol reductase (DFR). RESULTS Transgenic plants over-expressing dihydroflavonol reductase (DFR) were subsequently t...
متن کاملNucleotide sequence variation at two genes of the phenylpropanoid pathway, the FAH1 and F3H genes, in Arabidopsis thaliana.
The FAH1 and F3H genes encode ferulate-5-hydroxylase and flavanone-3-hydroxylase, which are enzymes in the pathways leading to the synthesis of sinapic acid esters and flavonoids, respectively. Nucleotide variation at these genes was surveyed by sequencing a sample of 20 worldwide Arabidopsis thaliana ecotypes and one Arabidopsis lyrata spp. petraea stock. In contrast with most previously studi...
متن کاملDiadenosine polyphosphates (Ap3A and Ap4A) behave as alarmones triggering the synthesis of enzymes of the phenylpropanoid pathway in Arabidopsis thaliana
It is known that cells under stress accumulate various dinucleoside polyphosphates, compounds suggested to function as alarmones. In plants, the phenylpropanoid pathways yield metabolites protecting these organisms against various types of stress. Observations reported in this communication link these two phenomena and provide an example of a metabolic "addressee" for an "alarm" signaled by dia...
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ژورنال
عنوان ژورنال: The Arabidopsis Book
سال: 2011
ISSN: 1543-8120,1543-8120
DOI: 10.1199/tab.0152