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Record number 409989
Title The effect of royal sun agaricus, agaricus brasiliensis S. Wasser et al., Extract on methyl Methanesulfonate caused genotoxicity in Drosophila melanogaster
Author(s) Savic, T.; Patenkovic, A.; Sokovic, M.; Glamoclija, J.; Andjelkovic, M.; Griensven, L.J.L.D. van
Source International Journal of Medicinal Mushrooms 13 (2011)4. - ISSN 1521-9437 - p. 377 - 385.
Department(s) PRI BIOS Applied Metabolic Systems
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) wing spot-test - blazei murrill - aqueous extracts - mushroom - cells - assays - diethylnitrosamine - aberration - mutation - cho-k1
Abstract The effect of culinary-medicinal Royal Sun Agaricus (Agaricus brasiliensis) hot water extract on methyl methane sulfonate (MMS) induced mutagenicity/genotoxity in Drosophila melanogaster was studied using a quick and broadly applicable in vivo assay, i.e., the wing somatic mutation and recombination test. We used 2nd instar larvae, trans-heterozygous for the third chromosome recessive markers, i.e., multiple wing hairs (mvh) and flare-3 [flr (3)], and fed them for 24 h with the aqueous extract of A. brasiliensis. For antigenotoxicity studies a 24-h pretreatment with the extract was done, followed by a 48-h treatment of the then 3rd instar larvae with MMS. The frequency of mutations of the wing blade changes (i.e., of the number of wing spots of different sizes) induced in somatic cells was determined as a parameter of genetic changes of the wing imaginal discs. The results showed that A. brasiliensis extract did not cause any genotoxic or mutagenic effects. No antigenotoxic and/or protective effect against the induction of mutations by MMS was observed. Instead, a possible enhanced mitotic recombination frequency by MMS was seen after pretreatment of the larvae with A. brasiliensis extract. Possible mechanisms of action are discussed.
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