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izvor podataka: crosbi

Salinity-induced chemical, mechanical, and behavioral changes in marine microalgae (CROSBI ID 308367)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Novosel, Nives ; Mišić Radić, Tea ; Levak Zorinc, Maja ; Zemla, Joanna ; Lekka, Malgorzata ; Vrana, Ivna ; Gašparović, Blaženka ; Horvat, Lucija ; Kasum, Damir ; Legović, Tarzan et al. Salinity-induced chemical, mechanical, and behavioral changes in marine microalgae // Journal of applied phycology, 34 (2022), 1293-1309. doi: 10.1007/s10811-022-02734-x

Podaci o odgovornosti

Novosel, Nives ; Mišić Radić, Tea ; Levak Zorinc, Maja ; Zemla, Joanna ; Lekka, Malgorzata ; Vrana, Ivna ; Gašparović, Blaženka ; Horvat, Lucija ; Kasum, Damir ; Legović, Tarzan ; Žutinić, Petar ; Gligora Udovič, Marija ; Ivošević DeNardis, Nadica

engleski

Salinity-induced chemical, mechanical, and behavioral changes in marine microalgae

This study examines how salinity reduction triggers the response of three marine microalgae at the molecular and unicellular levels in terms of chemical, mechanical, and behavioral changes. At the lowest salinity, all microalgal species exhibited an increase in membrane sterols and behaved stifer. The glycocalyx-coated species Dunaliella tertiolecta was surrounded by a thick actin layer and showed the highest physiological activity, negatively afecting cell motility and indicating the formation of the palmella stage. The lipid content of membrane and the hydrophobicity of cell were largely preserved over a wide range of salinity, confrming the euryhaline nature of Dunaliella. The species with calcite- encrusted theca Tetraselmis suecica exhibited the highest hydrophobicity at the lowest salinity of all cells examined. At salinity of 19, the cells of T. suecica showed the lowest growth, fagellar detachment and the lowest cell speed, the highest physiological activity associated with a dense network of extracellular polymeric substances, and a decrease in membrane lipids, which could indicate develepment of cyst stage. The organosilicate encrusted species Cylindrotheca closterium appeared to be salinity tolerant. It behaved hydrophobically at lower salinity, whereas becoming hydrophilic at higher salinity, which might be related to a molecular change in the released biopolymers. This study highlighted the interplay between chemistry and mechanics that determines functional cell behavior and shows that cell surface properties and behavior could serve as stress markers for marine biota under climate change.

Extracellular polymeric substances ; Hyposalinity ; Lipids ; Microalgae ; Motility ; Nanomechanics

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Podaci o izdanju

34

2022.

1293-1309

objavljeno

0921-8971

1573-5176

10.1007/s10811-022-02734-x

Povezanost rada

Biologija, Biotehnologija, Interdisciplinarne prirodne znanosti, Kemija

Poveznice
Indeksiranost