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- Title
What are the growth kinetics and biochemical compositions of microalgae isolated from diverse aquatic ecosystems in Morocco, France, and Tunisia?
- Authors
Assobhi, Bouchra; Bouchelta, Yamina; Alsubih, Majed; LamiaTrabelsi; Alaoui-Sossé, Badr; Bourgeade, Pascale; Aleya, Lotfi; Mhamdi, Mohammed Alaoui; Bahhou, Jamila
- Abstract
Thirty-six microalgae belonging to five taxonomic groups (Cyanobacteria, Chlorophyceae, Diatomophyceae, Euglenophyceae, and Eustigmatophyceae) were identified from six freshwater ecosystems in Morocco, two treatment stations in Etueffont landfill in France and three hot spring waters in Tunisia. Investigations on species growth kinetics and growth rates showed that the cyanobacterium Leptolyngbya gelatinosa exhibited both the highest biomass and growth rate with 4 g DW L−1 and 0.282 day−1, respectively. A significant protein production (more than 40% DW) was observed across the studied species. Cyanobacteria and chlorophytes stood out for their increased protein production with a maximum (66.63 ± 3.84% DW) attained by the cyanobacterium Leptolyngbya sp. Chlorophytes produced substantial amounts of carbohydrates (more than 20% DW). Euglenophytes including Phacus orbicularis and Euglena ehrenbergii along with the chlorophyte Graesiella sp. accumulated significant amounts of lipids (up to 31.12% DW).
- Subjects
TUNISIA; MOROCCO; FRANCE; HOT springs; DIATOMS; WATER springs; HOT water; EUGLENOIDS; DUNALIELLA; CYANOBACTERIA
- Publication
Environmental Science & Pollution Research, 2024, Vol 31, Issue 22, p32680
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-024-33412-9