| Accumulation of Phosphate and Polyphosphate by Cryptococcus humicola and Saccharomyces cerevisiae in the Absence of Nitrogen. | |
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MedLine Citation:
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PMID: 22591314 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The search for new phosphate accumulating microorganisms is of interest in connection with the problem of excess phosphate in environment. The ability of some yeast species belonging to ascomycetes and basidiomycetes for phosphate (P(i) ) accumulation in nitrogen deficient medium was studied. The ascomycetous Saccharomyces cerevisiae and Kuraishia capsulata and basidiomycetous Cryptococcus humicola, Cryptococcus curvatus and Pseudozyma fusiformata were the best in P(i) removal. The cells of Cryptococcus humicola and Saccharomyces cerevisiae took up 40% P(i) from the media containing P(i) and glucose (5 and 30 mM, respectively), and up to 80% upon addition of 5 mM MgSO(4.) The cells accumulated P(i) mostly in the form of polyphosphate (PolyP). In the presence of Mg(2+) , the content of PolyP with longer average chain length increased in both yeasts; they both had numerous inclusions fluorescing in the yellow region of the spectrum, typical of DAPI-PolyP complexes. Among the yeast species tested, Cr. humicola is a new promising model organisms to study phosphorus removal from the media and biomineralization in microbial cells. © 2012 Federation of European Microbiological Societies. Published by Blackwell PublishingLtd. All rights reserved. |
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Authors:
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Natalia A Breus; Lubov P Ryazanova; Vladimir V Dmitriev; Tatiana V Kulakovskaya; Igor S Kulaev |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-5-17 |
Journal Detail:
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Title: FEMS yeast research Volume: - ISSN: 1567-1364 ISO Abbreviation: - Publication Date: 2012 May |
Date Detail:
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Created Date: 2012-5-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101085384 Medline TA: FEMS Yeast Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 Federation of European Microbiological Societies. Published by Blackwell Publishing Ltd. All rights reserved. |
Affiliation:
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Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino, 142290, Russia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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