Impact of different nitrogen sources on the growth of Arthrospira sp. PCC 8005 under batch and continuous cultivation – A biochemical, transcriptomic and proteomic profile
Open accessAbstract
The aim of the present study was to evaluate the effects of varying concentrations of different nitrogen sources (individually or in combination) on the biochemical, transcriptomic and proteomic profiles of Arthrospira sp. PCC 8005 under batch and continuous modes. In batch mode, while ammonium showed a repressive effect on nitrate-assimilation pathway of the cyanobacteria; better growth and nutrient uptake rate were observed in presence of urea than nitrate. The inhibitory effect of ammonium was further confirmed by the continuous photobioreactor study wherein the nutrient feed was transiently replaced from nitrate to ammonium (28mM turbiostat regime). The changes in lipid, exopolysaccharide, transcriptomic and proteomic profiles of cyanobacteria on transition from nitrate to ammonium indicated at an onset of nutrient stress.
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References 55 · Cited by 44
- Authors
- Deschoenmaeker, F., Bayon-Vicente, G., Sachdeva, N., Depraetere, O., Cabrera Pino, J. C., Leroy, B., Muylaert, K., & Wattiez, R.
- Affiliations
- University of Mons (BE)
- KU Leuven (BE)
- Corresponding author
- Wattiez, Ruddy
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2017-08
- Volume
- 237
- Pages
- 78-88
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2597895321
- Cited by
- 44
- References
- 55
- Citations by year
- 2026: 4 · 2025: 6 · 2024: 8 · 2023: 5 · 2022: 4 · 2021: 4 · 2020: 2 · 2019: 6 · 2018: 5
- FWCI
- 0.95
- Type
- journal article
- Language
- en
- Open access
- green
- orbi.umons.ac.be
- Licence
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- ORBi UMONS (submittedVersion, other-oa)
- Funders
- BELSPO
- European Space Agency
- FRIA
- 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
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal plant biology
- Keywords
- cyanobacteria, nitrogen source, ammonium, nitrate, urea, batch culture, continuous cropping, photobioreactors, nutritional stress, nitrate assimilation, lipid profile, exopolysaccharides, transcriptome, proteome, growth inhibition
- MeSH terms
- Cyanobacteria, Nitrates, Nitrogen, Gene Expression Regulation, Bacterial, Proteomics, Spirulina
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