castasterone

(2R,3S,5S,8S,9S,10R,13S,14S,17R)-17-[(2S,3R,4R,5S)-3,4- dihydroxy-5,6-dimethylheptan-2-yl]-2,3-dihydroxy-10,13-dimethyl-1,2,3,4,5,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-6-one ergostan-6-one, 2,3,22,23-tetrahydroxy-, (2alpha,3alpha,5alpha,22R,23R,24S)- PubMed: DWF1 functions as a C-24 reductase to convert 24-methylene brassinosteroids to 24-methyl brassinosteroids in Arabidopsis thaliana. PubMed: Overexpression of Arabidopsis thaliana brassinosteroid-related acyltransferase 1 gene induces brassinosteroid-deficient phenotypes in creeping bentgrass. PubMed: Farnesylation-mediated subcellular localization is required for CYP85A2 function. PubMed: Castasterone confers copper stress tolerance by regulating antioxidant enzyme responses, antioxidants, and amino acid balance in B. juncea seedlings. PubMed: Response of the plant hormone network to boron deficiency. PubMed: Castasterone and citric acid treatment restores photosynthetic attributes in Brassica juncea L. under Cd(II) toxicity. PubMed: Brassinolide-like activity of castasterone analogs with varied side chains against rice lamina inclination. PubMed: Overexpression of Populus trichocarpa CYP85A3 promotes growth and biomass production in transgenic trees. PubMed: Synthetic Protocol for AFCS: A Biologically Active Fluorescent Castasterone Analog Conjugated to an Alexa Fluor 647 Dye. PubMed: Occurrence of brassinosteroids in non-flowering land plants, liverwort, moss, lycophyte and fern. PubMed: Effects of 24-epibrassinolide and green light on plastid gene transcription and cytokinin content of barley leaves. PubMed: Barley Brassinosteroid Mutants Provide an Insight into Phytohormonal Homeostasis in Plant Reaction to Drought Stress. PubMed: Novel rice mutants overexpressing the brassinosteroid catabolic gene CYP734A4. PubMed: Co-application of 6-ketone type brassinosteroid and metal chelator alleviates cadmium toxicity in B. juncea L. PubMed: Farnesylation mediates brassinosteroid biosynthesis to regulate abscisic acid responses. PubMed: A Reverse-Genetics Mutational Analysis of the Barley HvDWARF Gene Results in Identification of a Series of Alleles and Mutants with Short Stature of Various Degree and Disturbance in BR Biosynthesis Allowing a New Insight into the Process. PubMed: ARF7 increases the endogenous contents of castasterone through suppression of BAS1 expression in Arabidopsis thaliana. PubMed: An improved synthesis of [26-(2)H3]castasterone. PubMed: Brassinosteroid-BODIPY conjugates: Design, synthesis, and properties. PubMed: Brassinosteroids are involved in controlling sugar unloading in Vitis vinifera 'Cabernet Sauvignon' berries during véraison. PubMed: [Role of Ca ions in the induction of heat-resistance of wheat coleoptiles by brassinosteroids]. PubMed: [The role of reactive oxygen species and calcium ions in the implementation of the stress-protective effect of brassinosteroids on plant cells]. PubMed: Arsenic induced modulation of antioxidative defense system and brassinosteroids in Brassica juncea L. PubMed: BdBRD1, a brassinosteroid C-6 oxidase homolog in Brachypodium distachyon L., is required for multiple organ development. PubMed: Biosynthetic relationship between C₂₈-brassinosteroids and C₂₉-brassinosteroids in rice (Oryza sativa) seedlings. PubMed: In vivo imaging of brassinosteroid endocytosis in Arabidopsis. PubMed: Occurrence of phosphorylated castasterone in Arabidopsis thaliana and Lycopersicum esculentum. PubMed: Blue light-promoted rice leaf bending and unrolling are due to up-regulated brassinosteroid biosynthesis genes accompanied by accumulation of castasterone. PubMed: Interactive effect of brassinosteroids and cytokinins on growth, chlorophyll, monosaccharide and protein content in the green alga Chlorella vulgaris (Trebouxiophyceae). PubMed: A cell-based reporter assay for screening for EcR agonist/antagonist activity of natural ecdysteroids in Lepidoptera (Bm5) and Diptera (S2) cell cultures, followed by modeling of ecdysteroid-EcR interactions and normal mode analysis. PubMed: Synergistic effect of auxins and brassinosteroids on the growth and regulation of metabolite content in the green alga Chlorella vulgaris (Trebouxiophyceae). PubMed: Hormone profiles in microalgae: gibberellins and brassinosteroids. PubMed: An improved simplified high-sensitivity quantification method for determining brassinosteroids in different tissues of rice and Arabidopsis. PubMed: Arabidopsis PIZZA has the capacity to acylate brassinosteroids. PubMed: BAT1, a putative acyltransferase, modulates brassinosteroid levels in Arabidopsis. PubMed: Transgenic Arabidopsis thaliana expressing a barley UDP-glucosyltransferase exhibit resistance to the mycotoxin deoxynivalenol. PubMed: Hormonal changes during non-climacteric ripening in strawberry. PubMed: Fluorescent castasterone reveals BRI1 signaling from the plasma membrane. PubMed: Biosynthesis of a cholesterol-derived brassinosteroid, 28-norcastasterone, in Arabidopsis thaliana. PubMed: Plant steroid hormones produced under Ni stress are involved in the regulation of metal uptake and oxidative stress in Brassica juncea L. PubMed: Rice CYP734A cytochrome P450s inactivate brassinosteroids in Arabidopsis. PubMed: Rice CYP734As function as multisubstrate and multifunctional enzymes in brassinosteroid catabolism. PubMed: CYP85A1 is required for the initiation of female gametogenesis in Arabidopsis thaliana. PubMed: Fragmentation investigation of brassinosteroid compounds by ion trap and quadrupole time-of-flight mass spectrometry. PubMed: Arabidopsis CYP72C1 is an atypical cytochrome P450 that inactivates brassinosteroids. PubMed: The synthesis of androstane brassinosteroid analogues with alpha-azido acid ester groups in position 17beta. PubMed: ASKtheta, a group-III Arabidopsis GSK3, functions in the brassinosteroid signalling pathway. PubMed: Isolation and characterization of brassinosteroids from algal cultures of Chlorella vulgaris Beijerinck (Trebouxiophyceae). PubMed: Shooting control by brassinosteroids: metabolomic analysis and effect of brassinazole on Malus prunifolia, the Marubakaido apple rootstock. PubMed: Binding assays for brassinosteroid receptors. PubMed: A theoretical approach to the solvation of brassinosteroids. PubMed: Effects of brassinosteroids on the plant responses to environmental stresses. PubMed: Arabidopsis CYP85A2 catalyzes lactonization reactions in the biosynthesis of 2-deoxy-7-oxalactone brassinosteroids. PubMed: Castasterone is a likely end product of brassinosteroid biosynthetic pathway in rice. PubMed: Do brassinosteroids mediate the water stress response? PubMed: [Enzyme immunoassay of (24R)-brassinosteroids]. PubMed: BEN1, a gene encoding a dihydroflavonol 4-reductase (DFR)-like protein, regulates the levels of brassinosteroids in Arabidopsis thaliana. PubMed: Metabolism of brassinosteroids in plants. PubMed: Characterization of two brassinosteroid C-6 oxidase genes in pea. PubMed: Roles of brassinosteroids and related mRNAs in pea seed growth and germination. PubMed: Co-regulation of brassinosteroid biosynthesis-related genes during xylem cell differentiation. PubMed: Metabolic changes in fruits of the tomato dx mutant. PubMed: Tomato cytochrome P450 CYP734A7 functions in brassinosteroid catabolism. PubMed: The role of OsBRI1 and its homologous genes, OsBRL1 and OsBRL3, in rice. PubMed: Synthesis of 26,27-bisnorcastasterone analogs and analysis of conformation-activity relationship for brassinolide-like activity. PubMed: The UGT73C5 of Arabidopsis thaliana glucosylates brassinosteroids. PubMed: Arabidopsis CYP85A2, a cytochrome P450, mediates the Baeyer-Villiger oxidation of castasterone to brassinolide in brassinosteroid biosynthesis. PubMed: Brassinosteroids are inherently biosynthesized in the primary roots of maize, Zea mays L. PubMed: BAS1 and SOB7 act redundantly to modulate Arabidopsis photomorphogenesis via unique brassinosteroid inactivation mechanisms. PubMed: shk1-D, a dwarf Arabidopsis mutant caused by activation of the CYP72C1 gene, has altered brassinosteroid levels. PubMed: The last reaction producing brassinolide is catalyzed by cytochrome P-450s, CYP85A3 in tomato and CYP85A2 in Arabidopsis. PubMed: CYP90C1 and CYP90D1 are involved in different steps in the brassinosteroid biosynthesis pathway in Arabidopsis thaliana. PubMed: Binding of brassinosteroids to the extracellular domain of plant receptor kinase BRI1. PubMed: 2,3-Epoxybrassinosteroids are intermediates in the biosynthesis of castasterone in seedlings of Secale cereale. PubMed: Brassinosteroid deficiency due to truncated steroid 5alpha-reductase causes dwarfism in the lk mutant of pea. PubMed: Novel biosynthetic pathway of castasterone from cholesterol in tomato. PubMed: Stereoselective synthesis of (22R)- and (22S)-castasterone/ponasterone A hybrid compounds and evaluation of their molting hormone activity. PubMed: Synthesis of brassinosteroids of varying acyl side chains and evaluation of their brassinolide-like activity. PubMed: Determination of brassinosteroids in the sub-femtomolar range using dansyl-3-aminophenylboronate derivatization and electrospray mass spectrometry. PubMed: Cytochrome P450-catalyzed brassinosteroid pathway activation through synthesis of castasterone and brassinolide in Phaseolus vulgaris. PubMed: CYP72B1 inactivates brassinosteroid hormones: an intersection between photomorphogenesis and plant steroid signal transduction. PubMed: Brassinosteroids promote root growth in Arabidopsis. PubMed: Hormone levels and response during de-etiolation in pea. PubMed: Crystal structure of a hypoallergenic isoform of the major birch pollen allergen Bet v 1 and its likely biological function as a plant steroid carrier. PubMed: Arabidopsis brassinosteroid-insensitive dwarf12 mutants are semidominant and defective in a glycogen synthase kinase 3beta-like kinase. PubMed: Uncoupling brassinosteroid levels and de-etiolation in pea. PubMed: Brassinosteroids and plant steroid hormone signaling. PubMed: Spirostanic analogues of castasterone. PubMed: Action of brassinosteroids in the cotton leafworm Spodoptera littoralis. PubMed: Synthesis and biological activity of 26-norbrassinolide, 26-norcastasterone and 26-nor-6-deoxocastasterone. PubMed: Roots and shoots of tomato produce 6-deoxo-28-norcathasterone, 6-deoxo-28-nortyphasterol and 6-deoxo-28-norcastasterone, possible precursors of 28-norcastasterone. PubMed: The ecdysteroid agonist/antagonist and brassinosteroid-like activities of synthetic brassinosteroid/ecdysteroid hybrid molecules. PubMed: Brassinosteroid-6-oxidases from Arabidopsis and tomato catalyze multiple C-6 oxidations in brassinosteroid biosynthesis. PubMed: Accumulation of 6-deoxocathasterone and 6-deoxocastasterone in Arabidopsis, pea and tomato is suggestive of common rate-limiting steps in brassinosteroid biosynthesis. PubMed: Selective interaction of triazole derivatives with DWF4, a cytochrome P450 monooxygenase of the brassinosteroid biosynthetic pathway, correlates with brassinosteroid deficiency in planta. PubMed: Brassinosteroid levels increase drastically prior to morphogenesis of tracheary elements. PubMed: Synthesis and bioactivity of 6alpha- and 6beta-hydroxy analogues of castasterone. PubMed: 28-Norcastasterone is biosynthesized from castasterone. PubMed: Biosynthetic pathways of brassinolide in Arabidopsis. PubMed: Involvement of brassinosteroids in the gravitropic response of primary root of maize. PubMed: Metabolic transformation of the brassinosteroid 24-epi-castasterone by the cockroach Periplaneta americana. PubMed: Biosynthesis of brassinosteroids in cultured cells of Catharanthus roseus. PubMed: A putative role for the tomato genes DUMPY and CURL-3 in brassinosteroid biosynthesis and response. PubMed: Brassinosteroid-insensitive dwarf mutants of Arabidopsis accumulate brassinosteroids. PubMed: Brassinosteroid/Sterol synthesis and plant growth as affected by lka and lkb mutations of Pea PubMed: The tomato DWARF enzyme catalyses C-6 oxidation in brassinosteroid biosynthesis. PubMed: Brassinosteroids in Arabidopsis thaliana. PubMed: Brassinosteroids from seeds of Arabidopsis thaliana. PubMed: Blockage of Brassinosteroid Biosynthesis and Sensitivity Causes Dwarfism in Garden Pea. PubMed: Identification of castasterone, 6-deoxocastasterone, typhasterol and 6-deoxotyphasterol from the shoots of Arabidopsis thaliana. PubMed: Teasterone 3-Myristate: A New Type of Brassinosteroid Derivative in Lilium longiflorum Anthers. PubMed: Hydroxylation of the native brassinosteroids 24-epicastasterone and 24-epibrassinolide by the fungus Cunninghamella echinulata. PubMed: Identification of Two Brassinosteroids from the Cambial Region of Scots Pine (Pinus silverstris) by Gas Chromatography-Mass Spectrometry, after Detection Using a Dwarf Rice Lamina Inclination Bioassay.