arachis duranensis/carbohydrate

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Estimation of resveratrol content in peanut pericarp and its relation to the in vitro inhibitory activity on carbohydrate metabolizing enzymes.

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The aim of this work was the estimation of resveratrol content in two successive extracts (EtOAc and MeOH) of peanuts (Arachis hypogaea L.) pericarp of Egypt, by TLC and HPLC methods. Results showed the presence of 3.0 and 0.5 microg/mL resveratrol in EtOAc and MeOH extracts respectively. The in

Surface carbohydrate changes on Onchocerca lienalis larvae as they develop from microfilariae to the infective third-stage in Simulium ornatum.

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Use was made of seven FITC labelled lectins as tools to investigate the surface of Onchocerca lienalis larvae as they develop through to the infective third-stage in a natural vector, Simulium ornatum. The lectins were derived from Canavalia ensiformis (Con A), Lens culinaris (lentil), Triticum

Role of carbohydrate moieties in peanut (Arachis hypogaea) peroxidases.

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The activities of a cationic (C.PRX) and an anionic peroxidase isolated from peanut (Arachis hypogaea)-cell suspension culture were drastically reduced when they were deglycosylated with glycopeptidase F or oxidized by 10 mM-periodate. In contrast with the controls, the deglycosylated or the

Carbohydrate-binding specificities of five lectins that bind to O-Glycosyl-linked carbohydrate chains. Quantitative analysis by frontal-affinity chromatography.

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The carbohydrate-binding specificities of lectins purified from Agaricus bisporus (ABA-I), Arachis hypogaea (PNA), Bauhinia purpurea (BPA), Glycine max (SBA), and Vicia villosa (VVA-B4) have been studied by affinity chromatography on columns of the immobilized lectins, and quantitatively analyzed by

Cell-surface carbohydrates of Entamoeba invadens.

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Cell-surface carbohydrates of Entamoeba invadens trophozoites were analyzed using (a) a panel of highly purified lectins specific for molecules containing N-acetylglucosamine or sialic acid, N-acetylgalactosamine, galactose, mannose-like residues, and fucose; (b) Escherichia coli K-12 with

Pneumocystis carinii: surface reactive carbohydrates detected by lectin probes.

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Pneumocystis carinii obtained from rat lungs (RLH) and in vitro culture (RTC) were reacted with a panel of 14 fluorescein isothiocyanate conjugated lectins. Percentage fluorescence and fluorescent intensity were determined for both trophic and cyst forms. All RLH and RTC derived organisms bound

Detection of surface carbohydrates on Pneumocystis carinii by fluorescein-conjugated lectins.

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Lectins react with a wide range of different carbohydrates (Table 1). Even so-called monospecific anti-H(O) lectins from Lotus tetragonolobus, Ulex europaeus, and Anguilla anguilla react not only with the anti-H determinant but also with several fucosylated carbohydrates. Consequently, the type of

Cell surface carbohydrate of Leishmania mexicana amazonensis: differences between infective and non-infective forms.

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The cell surface carbohydrates of Leishmania mexicana amazonensis (amastigotes and promastigotes, both infective and non-infective forms) were comparatively analyzed by agglutination assay employing 28 highly purified lectins, and by binding assay using 125I-labeled lectins. Among the D-GalNAc

Study of surface carbohydrates in Galba truncatula tissues before and after infection with Fasciola hepatica.

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The presence and distribution of surface carbohydrates in the tissues of Galba truncatula snails uninfected or after infection with Fasciola hepatica as well as on the surface of the snail-pathogenic larval stages of the parasite were studied by lectin labelling assay. This is an attempt to find

Characterizing the glycocalyx of poultry spermatozoa: II. In vitro storage of Turkey semen and mobility phenotype affects the carbohydrate component of sperm membrane glycoconjugates.

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The turkey sperm glycocalyx is known to contain residues of sialic acid, alpha-mannose/alpha-glucose, alpha- and beta-galactose, alpha-fucose, alpha- and beta-N-acetyl-galactosamine, monomers and dimers of N-acetyl-glucosamine, and N-acetyl-lactosamine. Potential changes in these carbohydrates

Carbohydrate chain analysis by lectin binding to electrophoretically separated glycoproteins from murine B16 melanoma sublines of various metastatic properties.

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Cellular glycoprotein carbohydrate chains of B16 melanoma sublines of various metastatic colonization capacities were analyzed by polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate and direct lectin staining, combined with chemical modification of carbohydrate chains in

[Development of two assay systems of desialylated hCG specific for O-serine or N-asparagine linked carbohydrate chain and their clinical application].

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Two specific and sensitive assays have been developed for the measurement of as-hCG in this study. These assay systems are immunoradiometric assays which utilize peanut lectin, Arachis hypogaea (PNA) or caster bean lectin, Ricin communis agglutinin (RCA-I), to selectively extract as-hCG and then

Lotus tetragonolobus, Ulex europaeus, Maackia amurensis, and Arachis hypogaea (peanut) lectins influence the binding of Helicobacter pylori to gastric carbohydrates.

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BACKGROUND The carbohydrates of gastric mucins and other sugar structures are involved in interactions with Helicobacter pylori (H. pylori) adhesins. The binding of bacteria to mucins can protect the epithelium from direct contact with the pathogen and from developing infection because of a specific

Detection of carbohydrate-binding proteins by oligosaccharide-modified polypyrrole interfaces using electrochemical surface plasmon resonance.

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This paper reports on the use of electrochemical surface plasmon resonance (E-SPR) for the detection of carbohydrate-binding proteins. The generation of an SPR sensor specific to lectins Arachis hypogaea (PNA) and Maackia amurensis (MAA) is based on the electrochemical polymerization of

Synthesis and biological evaluation of multivalent carbohydrate ligands obtained by click assembly of pseudo-rotaxanes.

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Multivalent carbohydrate ligands have been prepared by assembling alpha-cyclodextrin-based pseudo-rotaxanes through "click chemistry". The inclusion complex formed by a lactosyl-alpha-CD conjugate and a decane axle carrying a lactosyl stopper at one extremity and an azido group at the other end was

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