نتایج جستجو برای: mutagens
تعداد نتایج: 2088 فیلتر نتایج به سال:
ŠMERÁK P., POLÍVKOVÁ Z., ŠESTÁKOVÁ H., ŠTĚTINA R., BÁRTA I., LANGOVÁ M., TUREK B., BÁRTOVÁ J. (2006): Antimutagenic effect of curcumin and its effect on the immune response in mice. Czech J. Food Sci., 24: 72–83. A wide array of antioxidative and anti-inflammatory substances derived from edible plants have been reported to possess chemopreventive and chemoprotective activities. Among the most e...
The isolation and genetic characterization of mutants of the tryptophan system of Bacillus subtilis.
I T has previously been shown in this laboratory (CARLTON 1967) and elsewhere ( ANAGNOSTOPOULOS and CRAWFORD 1961 , 1967) that mutations leading to defects in tryptophan biosynthesis in Bacillus subtilis map in a cluster on the genome of this organism, and in an order which corresponds to that obtained for similar mutants in Escherichia coli (YANOFSKY and LENNOX 1959) and Salmonella typhimurium...
3-Methyl-1-phenyltriazene and a series of ring-substituted derivatives (4-methylphenyl, 4-chlorophenyl, and 2,4,6-trichlorophenyl), structurally related benzenediazonium fluoborates and phenyl azides, as well as the recently isolated [1-methyl-3-(2,4,6-trichlorophenyl)-2-triazeno]methyl-beta-D-glucopyranoside uronic acid, were studied for their mutagenic activity in Salmonella typhimurium strai...
Cancer is one of the leading causes of deaths worldwide. The agents capable of causing damage to genetic material are known as genotoxins and, according to their mode of action, are classified into mutagens, carcinogens or teratogens. Genotoxins are involved in the pathogenesis of several chronic degenerative diseases including hepatic, neurodegenerative and cardiovascular disorders, diabete...
Humans and living organisms are unavoidably exposed to various environmental genotoxins. Genotoxic exposures may result from endogenous mutagens, (via cellular metabolic processes associated with oxygen free radical induction) or from exogenous mutagens present in the environment (as a pollution of air, water and soil, e.g. motor-vehicle emissions, pesticides, industrial effluents), or in occup...
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