|Citation||de la Rosa, M.E., Magnusson, J., Ramel, C., Nilsson, R. (1994). Modulating influence of inorganic arsenic on the recombinogenic and mutagenic action of ionizing radiation and alkylating agents in Drosophila melanogaster. Mutat. Res. 318(1): 65--71. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||In bacterial systems and in mammalian in vitro cell cultures, inorganic arsenic has been found to potentiate the mutagenic action of UV as well as of a number of mutagenic agents, probably by interfering with the later steps of DNA-repair. The Drosophila wing spot test (SMART) was used to study the modulating action of inorganic arsenic on the recombinogenic and mutagenic effects of the alkylating agents ethylnitrosourea (ENU), methylmethane sulphonate (MMS), and ethylene oxide (EO) as well as of gamma-rays. It was found, that arsenic in this in vivo test system exerted an inhibitory effect on mitotic recombination induced by alkylating agents and gamma-irradiation. These results are in contrast to the synergistic effect of inorganic arsenic on point mutations and deletions as reported for human lymphocytes and primary fibroblasts. The reason for the discrepancy between the mammalian systems and Drosophila with respect to the modulating action of arsenic is discussed.|
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|Language of Publication||English|
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