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ADAPTATION OF NATURAL MICROBIAL MMUNITIES TO DEGRADATION OF XENOBIOTIC COMPOUNDS: EFFECTS OF CONCENTRATION, EXPOSURE TIME, INOCULUM, AND CHEMICAL STRUCTURE
Citation:
Spain, J. AND P. Veld. ADAPTATION OF NATURAL MICROBIAL MMUNITIES TO DEGRADATION OF XENOBIOTIC COMPOUNDS: EFFECTS OF CONCENTRATION, EXPOSURE TIME, INOCULUM, AND CHEMICAL STRUCTURE. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-83/010 (NTIS PB83194522), 1982.
Description:
Adaptation of microbial populations to degrade xenobiotic compounds faster after exposure to the compound was studied in eco-cores. Radiolabeled test compounds were added to cores that contained natural water and sediment samples. Adaptation was detected by comparing mineralization rates or disappearance of parent compound in pre-exposed and unexposed cores. Microbial populations in pre-exposed cores from a number of freshwater sampling sites adapted to degrade p-nitrophenol faster; populations from estuarine or marine sites did not show any increase in rates of degradation as a result of pre-exposure.