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Aktivity of thioredoxin reduktase in wild and seleniumresistant strains of the alga Scenedesmus quadricauda grown in the presence of inorganic selenium compounds
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SYSNO ASEP 0320458 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Aktivity of thioredoxin reduktase in wild and seleniumresistant strains of the alga Scenedesmus quadricauda grown in the presence of inorganic selenium compounds Title Aktivita thioredoxin reduktázy v divokém a selen rezistentích kmenech řasy Scenedesmus quadricauda rostoucích v přítomnosti anorganických sloučenin selenu Author(s) Vítová, Milada (MBU-M) RID, ORCID
Umysová, Dáša (MBU-M)
Doušková, Irena (MBU-M)
Rucki, M. (CZ)
Zachleder, Vilém (MBU-M) ORCIDSource Title Biotechnology 2008. - České Budějovice : Scientific Pedagogical Publishing,, 2008 - ISBN 80-85645-58-0 Pages s. 205-207 Number of pages 4 s. Action Biotechnology 2008 Event date 13.02.2008-14.02.2008 VEvent location České Budějovice Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords selenium ; alga ; scenedesmus quadricauda Subject RIV EE - Microbiology, Virology R&D Projects IAA600200701 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) OE 221 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z50200510 - MBU-M (2005-2011) Annotation We have selected resistant strains of Scenedesmus quadricauda able to tolerate high selenium concentration up to 400 mg/L added either as selenate Na2SeO4 (strain SeVI) or selenite Na2SeO3 (strain SeIV). We have investigated activity of selenoprotein thioredoxin reductase (TR) in both wild type and Se-resistant strains. Concomitantly, a total amount of organically bound selenium was evaluated in biomass dry weight. We have found that activity of TR rapidly increases in the SeVI resistant strain in the presence of selenate, while no effect on TR activity was found in SeIV resistant strain and only slight increase in wild type in the presence of selenite Workplace Institute of Microbiology Contact Eliška Spurná, eliska.spurna@biomed.cas.cz, Tel.: 241 062 231 Year of Publishing 2009
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