{"title":"Mutants of Aspergillus nidulans with increased resistance to the alkylating agent, N-methyl-N′-nitro-N-nitrosoguanidine","authors":"P. Hooley, S.G. Shawcross, P. Strike","doi":"10.1016/0167-8817(88)90035-1","DOIUrl":null,"url":null,"abstract":"<div><p>The isolation and characterisation of mutants of <em>Aspergillus nidulans</em> showing resistance to MNNG is described. Such isolates were stable through prolonged subculture in the absence of the selective agent, and resistance segregated as an allele of a single gene in meiotic and mitotic analysis. MNNG-resistant strains showed an increase in resistance to EMS and UV irradiation but no cross-resistance to MMS was detected. Possible mechanisms of resistance to alkylating agents are discussed.</p></div>","PeriodicalId":100936,"journal":{"name":"Mutation Research/DNA Repair Reports","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1988-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-8817(88)90035-1","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mutation Research/DNA Repair Reports","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0167881788900351","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
The isolation and characterisation of mutants of Aspergillus nidulans showing resistance to MNNG is described. Such isolates were stable through prolonged subculture in the absence of the selective agent, and resistance segregated as an allele of a single gene in meiotic and mitotic analysis. MNNG-resistant strains showed an increase in resistance to EMS and UV irradiation but no cross-resistance to MMS was detected. Possible mechanisms of resistance to alkylating agents are discussed.
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