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TESTING FOR THE MUTAGENICITY OF IRRADIATED STRAWBERRIES FED TO RATS IN A HOST-MEDIATED ASSAY WITH NEUROSPORA AS INDICATOR ORGANISM

机译:利用神经生物作为指示器生物对宿主介导的大鼠放射性草莓的致突变性进行检测

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In this system an indicator organism is injected into the peritoneal cavity of a rodent, and then the animal is treated with the chemical to be checked for mutagenic activity. The indicator organism is then removed from the test animal and tested for mutations induced during its period of incubation in the mammalian host. Gabridge and Legator have used the induction of reverse mutations of histidine-requiring mutants of Salmonella typhimurium as an indicator system. Because this assay will pick up only certain classes of genetic alterations, it does not yield precise data on the frequency of induction of all types of mutations. In evaluating any mutagen for its relative hazard to man, it is important to know whether it is weak, moderate, or potent with regard to the induction of forward gene mutations.

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