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The evaluation of surface and wastewater genotoxicity using the Allium cepa test.
The most highly polluted water samples (industrial effluents) caused an inhibition of root growth of over 50%, a decrease in the mitotic index of over 40%, and a considerable increase in chromosomal aberrations compared to the control. Expand
Influence of pH and plant growth regulators on secondary metabolite production and antioxidant activity of Stevia rebaudiana (Bert)
Background and purpose: Beside being rich with sweet glycosides, Stevia rebaudiana Bertoni is an interesting source of flavonoids and phenols. The current study aimed to assess the potential forExpand
Assessment of surface water in the vicinity of fertilizer factory using fish and plants.
The genotoxic and toxic potential of polluted surface water exposed to a fertilizer factory effluent was evaluated using model organisms and conventional chemical analysis should be extended to genotoxicity/toxicity assays as measured biological effects and the potential health hazard cannot be predicted based on the physicochemical characteristics of water samples alone. Expand
Phytochemical and Bioactive Potential of in vivo and in vitro Grown Plants of Centaurea ragusina L. - Detection of DNA/RNA Active Compounds in Plant Extracts via Thermal Denaturation and Circular
Callus tissue and ex vitro leaves represent a valuable source of polyphenols as in vivo leaves and TD and CD can be applied for detection of DNA/RNA active compounds in extracts from natural resources. Expand
Short-term salinity stress response of Brassica rapa seedlings
Salinity is one of the major abiotic stress causing significant losses in crops yield and quality. To understand stress response of commercially important cabbage, seedlings of B. rapa ssp. L.Expand
The effect of hazardous pollutants from coal combustion activity: Phytotoxicity assessment of aqueous soil extracts.
Evaluation of aqueous extracts of soil collected from the vicinity of a coal-fired Plomin power plant demonstrated that PEs induced significant growth inhibition and other phytotoxic effects, related to damage caused by increased production of reactive oxygen species and impaired antioxidant levels. Expand
Toxicity and antioxidant capacity of Frangula alnus Mill. bark and its active component emodin.
The results suggest that both, bark extract and emodin, are cyto/genotoxic to HPBLs and that oxidative stress is involved in the mechanism of their toxicity. Expand
Short-term salt stress in Brassica rapa seedlings causes alterations in auxin metabolism.
Investigations into the physiological, biochemical, and hormonal components of the short-term salinity stress response in Chinese cabbage seedlings, with particular emphasis on the biosynthesis and metabolism of auxin indole-3-acetic acid (IAA), confirmed the stress induced by salt treatment. Expand
Biological Activity of Flavonoids and Rare Sesquiterpene Lactones Isolated From Centaurea ragusina L.
Cell death was shown to be independent of poly (ADP-ribose) polymerase and caspase-3 cleavage pointing toward an alternative cell death pathway, and ragusinin showed the best bioactivity and high specificity to affect tumor murine SCCVII, human HeLa and Caco-2 cell lines, but not the viability of normal V79 fibroblasts. Expand
The efficiency of combined CaO/electrochemical treatment in removal of acid mine drainage induced toxicity and genotoxicity.
The results show that observed (geno)toxicity could be related to oxidative stress most probably induced by toxic metal action, and influence of low pH as a contributing factor in the phytotoxicity of AMD cannot be excluded. Expand