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parthenium argentatum/glutationa
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9 resultados
Formation of adducts of parthenin and related sesquiterpene lactones with cysteine and glutathione.
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Parthenin, the major sesquiterpene lactone of Parthenium hysterophorus, a weed responsible for dermatitis in man is primarily restricted to leaf and stem trichomes. Parthenin forms a monoadduct with L-cysteine through the alpha-methylene group of the gamma-lactone and a biadduct with the endocyclic
Assessment of mutagenicity in Parthenium hysterophorus L.
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The mutagenic potential of a crude extract of Parthenium hysterophorus L. was assessed in the Salmonella/microsome (Ames) assay and the mouse bone marrow micronucleus test. Results in the bacterial mutagenicity assay were negative for the five strains employed, e.g. TA 1535, TA1537, TA 98, TA 100
Isopentenyl Pyrophosphate cis-1,4-Polyisoprenyl Transferase from Guayule (Parthenium argentatum Gray).
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Electron micrographs of the mesophyll cells of guayule Parthenium argentatum Gray leaves show deposits of cis-polyisoprene (rubber) in the cytoplasm in the vicinity of mitochondria and chloroplasts and demonstrate that the rubber-synthesizing enzymes are present in guayule leaves. The terminal step
Toxicological effect of Parthenium hysterophorus and milk processing industry sludge on earthworms, Eisenia fetida.
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Production of large quantities of organic waste all over the world poses major environmental and disposal problems. The present study was conducted to explore the deleterious effects of Parthenium hysterophorus and milk processing industry sludge on the health of earthworm, Eisenia fetida.
Impact of Parthenium weeds on earthworms (Eudrilus eugeniae) during vermicomposting.
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The aim of this work is to evaluate the effect of Parthenium-mediated compost on Eudrilus eugeniae during the process of vermicomposting. Nine different concentrations of Parthenium hysterophorus and cow dung mixtures were used to assess toxicity. The earthworms' growth, fecundity and antioxidant
Drought and salinity induced changes in ecophysiology and proteomic profile of Parthenium hysterophorus.
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Parthenium hysterophorus is a plant that tolerates drought and salinity to an extremely high degree. Higher expression of stress-responsive proteome contributes for greater defence against abiotic stresses. Thus, P. hysterophorus could be a rich source of genes that encode stress-imparting
Antitumor activity of Parthenium hysterophorus and its effect in the modulation of biotransforming enzymes in transplanted murine leukemia.
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The methanolic flower extract of Parthenium hysterophorus has been found to have antitumor effects in host mice bearing transplantable lymphocytic leukemia. The effect was more pronounced in terms of tumor size, tumor spread, and survival of the host. The potentiating effect of the extract was
Exploiting the Allelopathic Potential of Aqueous Leaf Extracts of Artemisia absinthium and Psidium guajava against Parthenium hysterophorus, a Widespread Weed in India.
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Artemisia absinthium and Psidium guajava are powerful sources of secondary metabolites, some of them with potential allelopathic activity. Both the species grow together in India with a weed (Parthenium hysterophorus) that is becoming extremely invasive. The aim of the present
Cadmium and copper induced changes in growth, oxidative metabolism and terpenoids of Tanacetum parthenium.
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Morphological and biochemical responses of feverfew plants exposed to low (5 μM) and high (35 and 70 μM) levels of Cd or Cu were investigated. Increasing metal supply notably reduced the plant biomass. Elevated Cd and Cu levels also resulted in an increase in the leaf proline content. Besides,
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