KOVACIK, Jozef, Petr BABULA, Viera PETERKOVA and Josef HEDBAVNY. Long-term impact of cadmium shows little damage in Scenedesmus acutiformis cultures. Algal Research - Biomass Biofuels and Bioproducts. Amsterdam: Elsevier Science BV., 2017, vol. 25, JUL 2017, p. 184-190. ISSN 2211-9264. Available from: https://dx.doi.org/10.1016/j.algal.2017.04.029.
Other formats:   BibTeX LaTeX RIS
Basic information
Original name Long-term impact of cadmium shows little damage in Scenedesmus acutiformis cultures
Authors KOVACIK, Jozef (703 Slovakia), Petr BABULA (203 Czech Republic, guarantor, belonging to the institution), Viera PETERKOVA (703 Slovakia) and Josef HEDBAVNY (203 Czech Republic).
Edition Algal Research - Biomass Biofuels and Bioproducts, Amsterdam, Elsevier Science BV. 2017, 2211-9264.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10600 1.6 Biological sciences
Country of publisher Netherlands
Confidentiality degree is not subject to a state or trade secret
Impact factor Impact factor: 3.745
RIV identification code RIV/00216224:14110/17:00097503
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.1016/j.algal.2017.04.029
UT WoS 000406305900022
Keywords in English Antioxidants; Axenic culture; Bioaccumulation; Fluorescence microscopy; Heavy metals
Tags EL OK
Tags International impact, Reviewed
Changed by Changed by: Soňa Böhmová, učo 232884. Changed: 7/3/2018 16:44.
Abstract
Long-term (30 days) responses of green alga Scenedesmus acutiformis to cadmium (Cd) excess (1 or 10 mu M) were studied under in vitro heterotrophic conditions (Milieu Bristol medium containing glucose and casein). No extensive changes of morphology were observed but Cd slightly depleted chlorophyll autofluorescence and some mineral content (K, Ca, and Mg). However, Cd (mainly at 10 mu M) stimulated increase in biomass and accumulation of ascorbic acid, non-protein thiols, and phenols. Signs of oxidative stress (elevation of ROS, depletion of nitric oxide and viability, changes in the activities of SOD, CAT and GR) were also observed. Total Cd reached only 17.3 and 45.2 mu g/g DW at 1 or 10 mu M Cd but bioaccumulation factor (BAF) was comparable with other species and cultivation/exposure conditions (BAF similar to 40 at 10 mu M Cd) indicating that rather inorganic compounds than glucose or casein affect Cd accumulation. Short-term (24 h) exposure of algae to identical Cd doses in HEPES buffer revealed higher absolute Cd content in comparison with 30 days of cultivation (8-and 17fold) and comparison with previous studies indicates that S. acutiformis is a better cadmium accumulator. The extensive use of fluorescence microscopy for oxidative stress detection in algae is also carefully discussed.
PrintDisplayed: 27/4/2024 06:21