Disomic and diploid meiotic products induced in Saccharomyces cerevisiae by the salts of 27 elements.
The effects of salts of 27 elements on recombination and on the production of disomic and/or diploid spores during meiosis of Saccharomyces cerevisiae has been investigated. Be(NO3)2, MgSO4, FeSO4, CuSO4, AgNO3, Na2HAsO4 were inactive on the events studied during meiotic cell division. AuCl4, CdCl2, C4H6O4Pb, SnCl2, K2Cr2O7, RbCl induced both disomic and diploid spores. LiCl acted similarly and also affected recombination. Activity in the induction of disomic spores was shown by MnSO4, HgCl2 and SrCl2. CsCl, CaCl2, Na2MoO4, NiCl2, K2PtCl4 increased the frequency of diploid spores, while NaWO4, VOSO4, KCl, BaCl2 already increased recombination frequency. NaBiO3 showed an effect on meiotic recombination only. A decrease in the occurrence of both diploid and disomic spores was suggested by the data obtained with CoCl2.
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Dipartimento di Biologia, Università di Milano, Italy.
Agostoni Carbone
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Pacciarini
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Magni
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GE
D008540:Meiosis / Q000187:drug effects*; D012441:Saccharomyces cerevisiae / Q000166:cytology / Q000187:drug effects*; D012492:Salts / Q000633:toxicity*; D013329:Structure-Activity Relationship
D012492:Salts