Cited by 492Algal biology and biofuel productionAquatic Ecosystems and Phytoplankton DynamicsMicrobial Metabolic Engineering and Bioproduction

Nitrogen stress triggered biochemical and morphological changes in the microalgae Scenedesmus sp. CCNM 1077

Pancha, Imran, Chokshi, Kaumeel, George, Basil, Ghosh, Tonmoy, Paliwal, Chetan, Maurya, Rahulkumar, Mishra, Sandhya·2014·Bioresource Technology

Abstract

The aim of present study was to investigate the effects of nitrogen limitation as well as sequential nitrogen starvation on morphological and biochemical changes in Scenedesmus sp. CCNM 1077. The results revealed that the nitrogen limitation and sequential nitrogen starvation conditions significantly decreases the photosynthetic activity as well as crude protein content in the organism, while dry cell weight and biomass productivity are largely unaffected up to nitrate concentration of about 30.87mg/L and 3 days nitrate limitation condition. Nitrate stress was found to have a significant effect on cell morphology of Scenedesmus sp. CCNM 1077. Total removal of nitrate from the growth medium resulted in highest lipid (27.93%) and carbohydrate content (45.74%), making it a potential feed stock for biodiesel and bio-ethanol production. This is a unique approach to understand morphological and biochemical changes in freshwater microalgae under nitrate limitation as well as sequential nitrate removal conditions.

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Crossref · 10.1016/j.biortech.2014.01.025

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Authors
Pancha, I., Chokshi, K., George, B., Ghosh, T., Paliwal, C., Maurya, R., & Mishra, S.
Affiliations
Central Salt and Marine Chemicals Research Institute (IN)
Corresponding author
Mishra, Sandhya
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2014-03
Volume
156
Pages
146-154
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2032953560
Cited by
492
References
35
Citations by year
2026: 24 · 2025: 40 · 2024: 50 · 2023: 45 · 2022: 53 · 2021: 56 · 2020: 53 · 2019: 46 · 2018: 33 · 2017: 37 · 2016: 26 · 2015: 22 · 2014: 7
FWCI
10.12
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Earth Sciences
  • Ministry of Education, India
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
Keywords
nitrogen limitation, nitrate starvation, microalgae, photosynthetic activity, crude protein content, cell morphology, lipid content, carbohydrate content, biomass productivity, biodiesel feedstock, bioethanol feedstock, freshwater microalgae
MeSH terms
Nitrates, Nitrogen, Pigments, Biological, Proline, Stress, Physiological, Biomass, Scenedesmus, Microalgae

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