Salinity induced lipid production in microalgae and cluster analysis (ICCB 16-BR_047)
Abstract
This work aimed to gain mechanistic insights into the salt stress mediated enhanced lipid accumulation in microalgae. Two freshwater microalgae were isolated from North Guwahati Assam, and were identified as Chlorella sorokiniana CG12(KR905186) and Desmodesmus GS12(KR905187). The effects of various salts such as NaCl, KCl, MgCl 2 and CaCl 2 were investigated where CaCl 2 exhibited the maximum effect on lipid enhancement up to 40.02% and 44.97% in CG12 and GS12, respectively. Furthermore, the substantial increase was observed in oleic acid content up to 64.18% and 53.46% in CG12 and GS12 in the presence of 25mM and 5mM CaCl 2, respectively. Cluster analysis revealed the correlation between lipid profile alterations by varying concentration of salts. Based on the outcomes of the present study, it is hypothesized that Ca 2+ plays a decisive role in the cell signaling under salt stress conditions and subsequently enhances the synthesis of lipid molecules.
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KCl, MgCl2, and CaCl2 also play crucial roles in the lipid accumulation process of microalgae, and in certain species they may exert a more pronounced influence than NaCl.
“It should be emphasized that in the lipid accumulation process of microalgae, KCl, MgCl2, and CaCl2 also play crucial roles, and in certain species, they may exert a more pronounced influence than NaCl [130].”
From Microalgae biofuels: illuminating the path to a sustainable future amidst challenges and opportunities (2024) · cites this paper as [130]
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References 45 · Cited by 110
- Authors
- Srivastava, G., Nishchal, & Goud, V. V.
- Affiliations
- Indian Institute of Technology Guwahati (IN)
- Corresponding author
- Goud, Vaibhav V.
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2017-10
- Volume
- 242
- Pages
- 244-252
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2602576479
- Cited by
- 110
- References
- 45
- Citations by year
- 2026: 8 · 2025: 11 · 2024: 8 · 2023: 5 · 2022: 17 · 2021: 25 · 2020: 13 · 2019: 14 · 2018: 6 · 2017: 3
- FWCI
- 2.63
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
- Keywords
- salt stress, microalgae, lipid accumulation, Chlorella sorokiniana, Desmodesmus, calcium chloride, oleic acid, fatty acid composition, calcium signaling, biofuel feedstock, freshwater microalgae
- MeSH terms
- Chlorella, Lipids, Biomass, Salinity, Microalgae
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