Archives of microbiology, 174(5), 353-361 (2000-01-11)
Hydroxylation of biphenyl by the dibenzofuran-degrading yeast Trichosporon mucoides SBUG 801 was studied. Glucose-grown cells degraded 40% of the biphenyl added within the first 24 h of incubation. The first step in the biotransformation pathway was the monohydroxylation of the
[U-14C]o-Phenylphenol (OPP) was found to bind covalently to calf thymus DNA during a 60 min incubation in the presence of microsomes, but not in their absence, indicating that metabolic conversion of the parent compound, OPP, to an activated form is
The induction of 8-hydroxy-2'-deoxyguanosine (8-OHdG), an index of oxidative DNA modification, was investigated in CHO-K1 cells exposed to phenyl-hydroquinone (PHQ), a major metabolite of ortho-phenylphenol (OPP), an antimicrobial. Addition of PHQ at a concentration of 50 microM to CHO cell
Environmental and molecular mutagenesis, 45(5), 460-481 (2005-02-17)
Ortho-phenylphenol (OPP) and its sodium salt (SOPP) are commercial products that have wide human exposure and have been shown in several studies to be rodent carcinogens. Genetic toxicology data were assessed in an attempt to understand the carcinogenic mode of
Xenobiotica; the fate of foreign compounds in biological systems, 23(2), 205-213 (1993-02-01)
1. The effects of diethyl maleate (DEM) on the cytotoxicity of phenyl-hydroquinone (PHQ) and other hydroquinones were studied in freshly isolated rat hepatocytes. 2. Addition of PHQ (0.5 or 0.75 mM) to hepatocytes resulted in dose-dependent cell death accompanied by
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