About: Somatic mutation and recombination tests

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The somatic mutation and recombination tests (SMARTs) are in vivo genotoxicity tests performed in Drosophila melanogaster (Fruit fly). These fruit fly tests are a short-term test and a non-mammalian approach for in vivo testing of putative genotoxins found in the environment. D. melanogaster has a short lifespan, which allows for fast reproductive cycles and high-throughput genotoxicity testing. D. melanogaster also has around 75% functional orthologs of human disease-related genes, making it an attractive in vivo model for human research. The tests identify loss of heterozygosity for the specified genetic markers in heterozygous or trans-heterozygous adults using phenotypically observable genetic markers in adult tissues. Although diverse events like point mutations/deletions, nondisjunct

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  • The somatic mutation and recombination tests (SMARTs) are in vivo genotoxicity tests performed in Drosophila melanogaster (Fruit fly). These fruit fly tests are a short-term test and a non-mammalian approach for in vivo testing of putative genotoxins found in the environment. D. melanogaster has a short lifespan, which allows for fast reproductive cycles and high-throughput genotoxicity testing. D. melanogaster also has around 75% functional orthologs of human disease-related genes, making it an attractive in vivo model for human research. The tests identify loss of heterozygosity for the specified genetic markers in heterozygous or trans-heterozygous adults using phenotypically observable genetic markers in adult tissues. Although diverse events like point mutations/deletions, nondisjunction, and homologous mitotic recombination might theoretically cause this loss of heterozygozity, nondisjunction processes are generally not relevant for most of the examined chemicals. SMARTs are two different tests that use the same genetic foundation, but target different adult tissues and are named accordingly: the wing-spot test and the eye-spot test. (en)
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  • The somatic mutation and recombination tests (SMARTs) are in vivo genotoxicity tests performed in Drosophila melanogaster (Fruit fly). These fruit fly tests are a short-term test and a non-mammalian approach for in vivo testing of putative genotoxins found in the environment. D. melanogaster has a short lifespan, which allows for fast reproductive cycles and high-throughput genotoxicity testing. D. melanogaster also has around 75% functional orthologs of human disease-related genes, making it an attractive in vivo model for human research. The tests identify loss of heterozygosity for the specified genetic markers in heterozygous or trans-heterozygous adults using phenotypically observable genetic markers in adult tissues. Although diverse events like point mutations/deletions, nondisjunct (en)
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  • Somatic mutation and recombination tests (en)
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