N N Zhdanova, T N Lashko, T I Redchits, A I Vasilevskaia, L G Borisiuk, O I Siniavskaia, V I Gavriliuk, P N Muzalev
{"title":"[The interaction of soil micromycetes with \"hot\" particles in a model system].","authors":"N N Zhdanova, T N Lashko, T I Redchits, A I Vasilevskaia, L G Borisiuk, O I Siniavskaia, V I Gavriliuk, P N Muzalev","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>A model system which permits observing for a long time and fixing interaction of fungi with a radiation source has been created on the basis of an isolated \"hot\" particle, deficient mineral medium (saccharose content 60 mg/l) and suspension of fungal conidia. Five species (six strains) of micromycetes isolated from radionuclide-contaminated soils and fifteen \"hot\" particles have been tested. It has been found out for the first time that Cladosporium cladosporioides and Penicillium roseo-purpureum are able actively overgrow \"hot\" particles whose radioactivity did not exceed 3.1-1.0(-7) Ci by gamma-spectrum and to destroy them 50-150 days later. Certain changes in morphology of fungi-destructors of \"hot\" particles are revealed. A problem on ecological significance of the found phenomenon is discussed.</p>","PeriodicalId":76162,"journal":{"name":"Mikrobiologicheskii zhurnal","volume":"53 4","pages":"9-17"},"PeriodicalIF":0.0000,"publicationDate":"1991-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mikrobiologicheskii zhurnal","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A model system which permits observing for a long time and fixing interaction of fungi with a radiation source has been created on the basis of an isolated "hot" particle, deficient mineral medium (saccharose content 60 mg/l) and suspension of fungal conidia. Five species (six strains) of micromycetes isolated from radionuclide-contaminated soils and fifteen "hot" particles have been tested. It has been found out for the first time that Cladosporium cladosporioides and Penicillium roseo-purpureum are able actively overgrow "hot" particles whose radioactivity did not exceed 3.1-1.0(-7) Ci by gamma-spectrum and to destroy them 50-150 days later. Certain changes in morphology of fungi-destructors of "hot" particles are revealed. A problem on ecological significance of the found phenomenon is discussed.
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