Journal ArticleDOI
Xanthones in cell suspension cultures of two Centaurium species
Ludger Beerhues,Ursel Berger +1 more
TLDR
Cell suspension cultures of Centaurium erythraea and C. littorale contain 3, 5, 6, 7, 8-pentamethoxy-1- O -primeverosylxanthone as a main constituent, and in both cell cultures, xanthone formation paralleled cell growth.About:
This article is published in Phytochemistry.The article was published on 1994-03-01. It has received 26 citations till now. The article focuses on the topics: Centaurium erythraea & Xanthone.read more
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Journal ArticleDOI
Tetraoxygenated naturally occurring xanthones
Valdir Peres,Tanus Jorge Nagem +1 more
TL;DR: This review, with 350 references, gives information on the chemical study of 234 naturally occurring tetraoxygenated xanthones in 12 families, 53 genus and 182 species of higher plants, and two which are described as fungal and lichen metabolites.
Journal ArticleDOI
Benzophenone synthase from cultured cells of Centaurium erythraea
TL;DR: Biosynthesis of 2,3′,4,6‐tetrahydroxybenzophenone from m‐hydroxybenZoyl‐CoA and malonyl-CoA was shown in cell‐free extracts from cultured cells of Centaurium erythraea.
Journal ArticleDOI
Regioselective oxidative phenol couplings of 2,3',4,6-tetrahydroxybenzophenone in cell cultures of Centaurium erythraea RAFN and Hypericum androsaemum L.
TL;DR: In this article, a regioselective cyclization of an intermediate benzophenone to a xanthone was shown to depend on cytochrome P450, as shown by the effectiveness of established P450 inhibitors.
Journal ArticleDOI
4-Hydroxycinnamoyl-CoA hydratase/lyase, an enzyme of phenylpropanoid cleavage from Pseudomonas, causes formation of C6-C1 acid and alcohol glucose conjugates when expressed in hairy roots of Datura stramonium L.
Adinpunya Mitra,Melinda J. Mayer,Fred A. Mellon,Anthony J. Michael,Arjan Narbad,Adrian J. Parr,Keith W. Waldron,Nicholas J. Walton +7 more
TL;DR: 4-Hydroxycinnamoyl-CoA hydratase/lyase (HCHL), a crotonase homologue of phenylpropanoid catabolism from Pseudomonas fluorescens strain AN103, led to the formation of 4-hydroxybenzaldehyde metabolites when expressed in hairy root cultures of Datura stramonium L. established by transformation with Agrobacterium rhizogenes.
References
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A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding
TL;DR: This assay is very reproducible and rapid with the dye binding process virtually complete in approximately 2 min with good color stability for 1 hr with little or no interference from cations such as sodium or potassium nor from carbohydrates such as sucrose.
Journal ArticleDOI
A revised medium for rapid growth and bio assays with tobacco tissue cultures
Toshio Murashige,Folke Skoog +1 more
TL;DR: In vivo redox biosensing resolves the spatiotemporal dynamics of compartmental responses to local ROS generation and provide a basis for understanding how compartment-specific redox dynamics may operate in retrograde signaling and stress 67 acclimation in plants.
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Nutrient requirements of suspension cultures of soybean root cells.
TL;DR: The nutrient requirements of suspension cultures from soybean root have been investigated, and a simple medium consisting of mineral salts, sucrose, vitamins and 2,4-dichlorophenoxyacetic acid (2, 4- d) has been designed.
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Organic Growth Factor Requirements of Tobacco Tissue Cultures
Journal ArticleDOI
Xanthones from guttiferae
Graham J. Bennett,Hiok-Huang Lee +1 more
TL;DR: In this article, the distribution of xanthones is examined in relation to the taxonomic divisions of the Guttiferae, and various pharmacological properties of Xanthones are summarized.