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. 1981 Aug;98(4):691–711. doi: 10.1093/genetics/98.4.691

Agents That Cause a High Frequency of Genetic Change from [psi+] to [psi-] in SACCHAROMYCES CEREVISIAE

M F Tuite 1, C R Mundy 1, B S Cox 1
PMCID: PMC1214469  PMID: 7037537

Abstract

The [psi] factor of yeast is cytoplasmically inherited. Singh, Helms and Sherman (1979) reported that high concentrations of KCl and of ethylene glycol induce the genetic change from [psi+] to [psi-]. In this study, the following agents have been shown to induce the same genetic change: guanidine hydrochloride at 1 mm, dimethyl sulfoxide at 2.5% v/v and ethanol or methanol at 10% v/v. It is likely that a number of other agents also cause the change, namely 2 m glycerol, m succinate, m glutamate and m MgCl2. Most of these agents induce the change at very high frequencies; with some, the frequency is 100%. Although the observed phenotypic change can also occur as a result of chromosomal gene mutation, no changes of this type were identified. Some of the agents also cause mutation from [rho+] to [rho-] and from killer to sensitive.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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