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Chromium bioaccumulation potential of edaphic cyanobacterium Nostoc linckia grown on multimetallic systems

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dc.contributor.author CODREANU, L.
dc.date.accessioned 2024-03-13T08:52:51Z
dc.date.available 2024-03-13T08:52:51Z
dc.date.issued 2022
dc.identifier.citation CODREANU, L. Chromium bioaccumulation potential of edaphic cyanobacterium Nostoc linckia grown on multimetallic systems. In: International Scientific Conference on Microbial Biotechnology, 5th edition, Chișinău, Moldova, October 12-13, 2022. Chişinău, 2022, p. 30. ISBN 978-9975-3555-6-8; ISBN 978-9975-3555-7-5. en_US
dc.identifier.isbn 978-9975-3555-6-8
dc.identifier.isbn 978-9975-3555-7-5
dc.identifier.uri https://doi.org/10.52757/imb22.16
dc.identifier.uri http://repository.utm.md/handle/5014/26634
dc.description.abstract The purpose of this study was to assess the potential of cyanobacterium Nostoc linckia to accumulate hexavalent chromium during three successive cultivation cycles on multimetallic systems. Cyanobacterium Nostoc linckia (Roth) Born et Flah CNM-CB-03 was grown in a mineral medium and metal ions in different combinations. Cultivation was carried out in Erlenmayer flasks of 1000 mL with a working volume of 700 mL. The following parameters were used: pH of the medium 6.8-7.2, temperature 25-27oC, light intensity of 37-55 μmol photons m-2 s -1, continuous illumination, slow periodic shaking. The amount of inoculum was 0.4 g/L. Each cultivation cycle lasted 12 days. Multimetallic systems Cr/Fe, Cr/Fe/Ni, Cr/Fe/Ni/Zn and Cr/Fe/Ni/Zn/Cu were added to culture medium on the exponential phase of Nostoc growth. The culture of Nostoc linckia demonstrated resistance to multimetallic systems and a high potential for bioaccumulation of Cr(VI) and other metals present. The capacity of cyanobacterium Nostoc linckia to bioaccumulate Cr(VI) from the contaminated medium remained high over three generations, while the uptake of Fe, Ni, Cu and Zn in the biomass increased from generation to generation. en_US
dc.language.iso en en_US
dc.publisher Institute of Microbiology and Biotechnology, Republic of Moldova en_US
dc.relation.ispartofseries International scientific conference "Microbial Biotechnology", 5th edition, 12-13 October 2022, Chisinau, Republic of Moldova;
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject soil algae en_US
dc.subject Cyanobacteria en_US
dc.subject bioaccumulation en_US
dc.subject chromium en_US
dc.title Chromium bioaccumulation potential of edaphic cyanobacterium Nostoc linckia grown on multimetallic systems en_US
dc.type Article en_US


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