Phytotoxicity, uptake and metabolism of 1,4-dichlorobenzene by plant cells.

Wang, Min-Jian and Bokern, Maria and Böhme, Christian and Jones, Kevin C. and Harms, Hans (1996) Phytotoxicity, uptake and metabolism of 1,4-dichlorobenzene by plant cells. Environmental Toxicology and Chemistry, 15 (7). pp. 1109-1114. ISSN 1552-8618

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Phytotoxicity, uptake, and metabolism of 1,4-dichlorobenzene (1,4-DCB) by carrot (Daucus carota L.), soybean (Glycine max. L.), tomato (Lycopersicon esculentum Mill.), and red goosefoot (Chenopodiun rubrum L.) cell suspension cultures were studied. Sealed glass systems were utilized for the investigation because 1,4-DCB is volatile. The sealed systems affect the growth of plant cells, but do not provide different results when testing xenobiotic uptake and metabolism. 1,4-Dichlorobenzene (40 μg in 40 ml medium) was taken up by carrot (49%), soybean (50%), and red goosefoot (62%) cells. Only the soybean cell cultures provided evidence of the existence of metabolites of this compound, probably conjugates of chlorophenols. Conditions for phytotoxicity tests were modified because the growth of cell cultures was affected when sealed for longer than 2 d. 1,4-Dichlorobenzene is toxic to cell cultures of the three tested plant species (tomato, soybean, and carrot). Concentrations of 0.5 mM caused 50% growth inhibition in carrot and soybean cultures. The tomato cultures were more sensitive, with 0.05 mM causing 50% growth inhibition.

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Environmental Toxicology and Chemistry
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12 Feb 2009 14:23
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21 Nov 2022 18:57