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7 resultats
Correlation between hordatine accumulation, environmental factors and genetic diversity in wild barley (Hordeum spontaneum C. Koch) accessions from the Near East Fertile Crescent.
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Wild barley shows a large morphological and phenotypic variation, which is associated with ecogeographical factors and correlates with genotypic differences. Diversity of defense related genes and their expression in wild barley has been recognized and has led to attempts to exploit genes from H.
Chromosome arm location of the genes for the biosynthesis of hordatines in barley.
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Hordatines A and B, the strong antifungal compounds in barley (Hordeum vulgare), are biosynthesized from p-coumaroyl- and feruloyl-CoA and agmatine by two successive reactions catalyzed by agmatine coumaroyltransferase (ACT) and peroxidase. ACT catalyzes the formation of agmatine conjugates
A new class of N-hydroxycinnamoyltransferases. Purification, cloning, and expression of a barley agmatine coumaroyltransferase (EC 2.3.1.64).
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Agmatine coumaroyltransferase (ACT), which catalyzes the first step in the biosynthesis of antifungal hydroxycinnamoylagmatine derivatives, was purified to apparent homogeneity from 3-day-old etiolated barley (Hordeum vulgare L.) seedlings. The enzyme was highly specific for agmatine as acyl
Barley coleoptile peroxidases. Purification, molecular cloning, and induction by pathogens.
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A cDNA clone encoding the Prx7 peroxidase from barley (Hordeum vulgare L.) predicted a 341-amino acid protein with a molecular weight of 36,515. N- and C-terminal putative signal peptides were present, suggesting a vacuolar location of the peroxidase. Immunoblotting and reverse-transcriptase
Evolutionary changes in defensive specialized metabolism in the genus Hordeum.
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Plants have developed defensive specialized metabolites over the course of evolution. In the genus Hordeum, which includes the important cereal crop barley, specialized metabolites such as hordatines, benzoxazinones, and gramine have been identified. Hordeum species are classified into four clades,
Combined mass spectrometric and chromatographic methods for in-depth analysis of phenolic secondary metabolites in barley leaves.
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Structural analysis via HPLC-ESI-MSn, UPLC-HESI-MS/MS and NMR reported 152 phenolic secondary metabolites in spring barley seedlings (Hordeum vulgare L.). Flavonoids with various patterns of glycosylation and acylation, as well as hydroxycinnamic acid glycosides, esters and amides, were identified
Drought-related secondary metabolites of barley (Hordeum vulgare L.) leaves and their metabolomic quantitative trait loci.
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Determining the role of plant secondary metabolites in stress conditions is problematic due to the diversity of their structures and the complexity of their interdependence with different biological pathways. Correlation of metabolomic data with the genetic background provides essential information
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