phenylpropanoid/oryza sativa

Phenylpropanoids, flavonoids and plant growth regulators in rice (Oryza sativa) variety (UPR 1823) inoculated with different cyanobacterial strains namely Anabaena oryzae, Anabaena doliolum, Phormidium fragile, Calothrix geitonos, Hapalosiphon intricatus, Aulosira fertilissima, Tolypothrix tenuis,

The whitebacked planthopper (WBPH), has become a devastating pest for rice crops, causes serious yield losses each year, and urgently needs biological control. Here, we developed a WBPH-resistant rice cultivar by overexpressing the OsF3H gene. A genetic functional analysis of the OsF3H gene

Vitamins are plant growth regulators and activators of defense responses against pathogens. The cytomolecular mechanisms involved in the induction of resistance by chemicals especially vitamins on monocotyledonous plants are largely unknown. Here, we show that riboflavin, which acts as a defense

Rice (Oryza sativa L.) is a staple food for most of the world's population, as it is eaten by nearly half of its inhabitants. Phenylpropanoid glycosides derived from plants have various biomedical effects. The comparison of the concentrations of the four major phenylpropanoid glycosides in

Insecticide is always used to control the damage from pests, while the potential influence on plants is rarely known. Time-course metabolic changes of wild and Bacillus thuringiensis (Bt) transgenic rice (Oryza sativa L.) plants after insecticide treatment were investigated by using gas

Polysaccharide-linked hydroxycinnamoyl esters (PHEs) over-accumulate in the internodes of a rice (Oryza sativa L.) mutant, Fukei 71 (F71). This accumulation is accompanied by over-expression of phenylalanine ammonialyase (PAL). In this study, we show that only one member of the

The MYB gene family represents one of the largest groups of transcription factors in plants. Recent evidences have also demonstrated key role of MYB transcription factors in regulating the expression of major genes involved in the biosynthesis of phenylpropanoid compounds which confer biotic and

Glycosylation is an important mechanism of controlling the reactivities and bioactivities of plant secondary metabolites and phytohormones. Rice (Oryza sativa) Os9BGlu31 is a glycoside hydrolase family GH1 transglycosidase that acts to transfer glucose between phenolic acids, phytohormones, and

NH₄⁺ is not only the primary nitrogen for rice, a well-known NH₄⁺ specialist, but is also the chief limiting factor for its production. Limiting NH₄⁺ triggers a series of physiological and biochemical responses that help rice optimise

Ammonium (NH4+) is the predominant nitrogen (N) source in many natural and agricultural ecosystems, including flooded rice fields. While rice is known as an NH4+-tolerant species, it nevertheless suffers NH4+ toxicity at elevated soil concentrations. NH4+ excess rapidly leads to the disturbance of

Reversible protein ubiquitination plays essential roles in regulating cellular processes. Although many reports have described the functions of ubiquitination in plant defense responses, few have focused on global changes in the ubiquitome. To better understand the regulatory roles of ubiquitination

Two distinct biosynthetic pathways for Phe in plants have been proposed: conversion of prephenate to Phe via phenylpyruvate or arogenate. The reactions catalyzed by prephenate dehydratase (PDT) and arogenate dehydratase (ADT) contribute to these respective pathways. The Mtr1 mutant of rice (Oryza

Methyl jasmonate (MeJA) and methyl salicylate (MeSA) are important signaling molecules that induce plant defense against insect herbivores and microbial pathogens. We tested the hypothesis that allelopathy is an inducible defense mechanism, and that the JA and SA signaling pathways may activate

We examined a novel rice mutant, Fukei 71 (Oryza sativa L.), for alterations in the levels of hydroxycinnamoyl esters that are linked to cell wall polysaccharides and lignin units. In this mutant, a recessive mutation at a single locus caused the collapse of parenchyma cells in the internodes. Light

The plants and root-associated microbiomes are closely related. Plant metabolic substances can serve as a nutrient source for the microbiome, and in return, the microbiome can regulate the production of plant metabolic substances. Wild rice (Oryza rufipogon), as the ancestor of cultivated rice