Publications by authors named "Alexander V Vikhorev"
Blue barley grain pigmentation results from anthocyanin accumulation in the aleurone layer. Anthocyanins are known for their beneficial effects on human health. The gene encoding the MYELOCYTOMATOSIS 2 (MYC2) transcription factor is potentially responsible for the blue coloration of the aleurone.
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- Plant surface properties are vital for coping with environmental stresses, and the cuticle's outer layer is made up of diverse waxes influenced by specific gene regulators.
- In this study, researchers used a technique called RNA-guided Cas9 endonuclease to create mutations in four barley genes linked to cuticle properties, identifying one gene responsible for a glossy sheath phenotype due to a deficiency in β-diketones.
- The results indicated that the WIN1 transcription factor plays a crucial role in regulating the biosynthesis of β-diketones in barley by activating certain genes during specific developmental stages and in particular plant organs.
Barley ( L.) grain pigmentation is caused by two types of phenolic compounds: anthocyanins (which are flavonoids) give a blue or purple color, and melanins (which are products of enzymatic oxidation and polymerization of phenolic compounds) give a black or brown color. Genes and determine the synthesis of purple anthocyanins in the grain pericarp, whereas melanins are formed under the control of the gene in hulls and pericarp tissues.
View Article and Find Full Text PDFBackground: Anthocyanin compounds playing multiple biological functions can be synthesized in different parts of barley ( L.) plant. The diversity of anthocyanin molecules is related with branching the pathway to alternative ways in which dihydroflavonols may be modified either with the help of flavonoid 3'-hydroxylase (3') or flavonoid 3',5'-hydroxylase (3'5')-the cytochrome P450-dependent monooxygenases.
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