Cited by 172Algal biology and biofuel productionMicrobial Metabolic Engineering and BioproductionAquatic Ecosystems and Phytoplankton Dynamics

Salinity induced oxidative stress alters the physiological responses and improves the biofuel potential of green microalgae Acutodesmus dimorphus

Chokshi, Kaumeel, Pancha, Imran, Ghosh, Arup, Mishra, Sandhya·2017·Bioresource Technology

Abstract

The main aim of the present study was to analyze salinity stress induced physiological and biochemical changes in a freshwater microalgae Acutodesmus dimorphus. During single-stage cultivation, the accumulations of lipids and carbohydrates increased with an increase in an initial salinity of the culture medium. The carbohydrate and lipid accumulations of 53.30±2.76% and 33.40±2.29%, respectively, were observed in 200mM NaCl added culture. During two-stage cultivation, salinity stress of 200mM was favorable for the growth up to 2days, as suggested by higher biomass, lower levels of oxidative stress biomarkers and no significant changes in the biochemical composition of the cells. Extending the stress to 3days significantly increased the lipid accumulation by 43% without affecting the biomass production. This study, thus, provides the strategy to improve the biofuel potential of A. dimorphus along with presenting the physiological adaptive mechanisms of a cell against salinity stress.

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Crossref · 10.1016/j.biortech.2017.05.003

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  • The lipid content of C. reinhardtii, A. dimorphus, C. vulgaris, and Acutodesmus obliquus increases when exposed to concentrations exceeding 0.1 M NaCl.

    “The lipid content of various microalgae species such as C. reinhardtii, A. dimorphus, C. vulgaris, and Acutodesmus obliquus has been found to increase when exposed to concentrations exceeding 0.1 M NaCl [66, 126–128].”

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Authors
Chokshi, K., Pancha, I., Ghosh, A., & Mishra, S.
Affiliations
Central Salt and Marine Chemicals Research Institute (IN)
Corresponding author
Mishra, Sandhya
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2017-11
Volume
244
Issue
Pt 2
Pages
1376-1383
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2611342271
Cited by
172
References
48
Citations by year
2026: 18 · 2025: 12 · 2024: 15 · 2023: 24 · 2022: 25 · 2021: 26 · 2020: 24 · 2019: 13 · 2018: 12 · 2017: 3
FWCI
3.81
Type
journal article
Language
en
Open access
closed
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 › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
Keywords
salt stress, oxidative stress, microalgae, lipid accumulation, carbohydrate accumulation, two-stage cultivation, biofuel feedstock, biomass production, sodium chloride, stress tolerance
MeSH terms
Chlorophyta, Lipids, Oxidative Stress, Biomass, Salinity, Biofuels, Microalgae

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