Reference: Todorova A and Todorova T (2022) Apricot kernels' extract and amygdalin alter bleomycin-induced Ty1 retrotransposition, mitotic gene conversion in the trp-5 locus and reverse point mutations in ilv1-92 allele in Saccharomyces cerevisiae. Arch Microbiol 204(9):542

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Abstract


The present study aims to analyze the effect of apricot kernels' extract (AKE) and amygdalin (AMY) on bleomycin-induced genetic alternations. Five endpoints were analyzed: cell survival, Ty1 retrotransposition, mitotic gene conversion in the trp5 locus, reverse point mutations in ilv1-92 allele, and mitotic crossing-over in the ade2 locus. The present work provides the first experimental evidence that bleomycin induces Ty1 retrotransposition in Saccharomyces cerevisiae. New data is obtained that the degree of DNA protection of AMY and AKE depends on the studied genetic event. AKE has been found to provide significant protection against bleomycin-induced Ty1 retrotransposition due to better-expressed antioxidant potential. On the other side, AMY better-expressed protection against bleomycin-induced mitotic gene conversion and reverse mutations may be attributed to the activation of the repair enzymes.

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Journal Article
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Todorova A, Todorova T
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