Journal article
Potential of novel desert microalgae and cyanobacteria for commercial applications and CO2 sequestration
Journal of applied phycology, Vol.31(4), pp.2231-2243
08/01/2019
DOI: 10.1007/s10811-019-01763-3
Abstract
CO2 fixation by phototrophic microalgae and cyanobacteria is seen as a possible global carbon emissions reducer; however, novel microalgae and cyanobacterial strains with tolerance to elevated temperatures and CO2 concentrations are essential for further development of algae-based carbon capture. Four novel strains isolated from the Arabian Gulf were investigated for their thermotolerance and CO2-tolerance, as well as their carbon capture capability. Two strains, Leptolyngbya sp. and Picochlorum sp., grew well at 40 degrees C, with productivities of 106.6 +/- 10.0 and 87.5 +/- 2.1 mg biomass L-1 d(-1), respectively. Tetraselmis sp. isolate showed the highest biomass productivity and carbon capture rate of 157.7 +/- 10.3 mg biomass L-1 d(-1) and 270.8 +/- 23.9 mg CO2 L-1 d(-1), respectively, both at 30 degrees C. Under 20% CO2, the biomass productivity increased over 2-fold for both Tetraselmis and Picochlorum isolates, to 333.8 +/- 41.1 and 244.7 +/- 29.5 mg biomass L-1 d(-1). These two isolates also presented significant amounts of lipids, up to 25.6 +/- 0.9% and 28.0 +/- 2.0% (w/w), as well as presence of EPA and DHA. Picochlorum sp. was found to have a suitable FAME profile for biodiesel production. Both Tetraselmis and Picochlorum isolates showed promising characteristics, making them valuable strains for further investigation towards commercial applications and CO2 capture.
Details
- Title: Subtitle
- Potential of novel desert microalgae and cyanobacteria for commercial applications and CO2 sequestration
- Creators
- Kira Schipper - Qatar UniversityMariam Al Muraikhi - Qatar UniversityGhamza Saed H. S. Alghasal - Qatar UniversityImen Saadaoui - Qatar UniversityTouria Bounnit - Qatar UniversityRihab Rasheed - Qatar UniversityTasneem Dalgamouni - Qatar UniversityHareb Mohammed S. J. Al Jabri - Qatar UniversityRene' H. Wijffels - Wageningen University & ResearchMaria J. Barbosa - Wageningen University & Research
- Resource Type
- Journal article
- Publication Details
- Journal of applied phycology, Vol.31(4), pp.2231-2243
- DOI
- 10.1007/s10811-019-01763-3
- ISSN
- 0921-8971
- eISSN
- 1573-5176
- Publisher
- Springer Nature
- Number of pages
- 13
- Grant note
- QDVC QUEX-CAS-QDVC-14/15-7 / Qatar University; Qatar National Research Fund (QNRF) QDVC team
- Language
- English
- Date published
- 08/01/2019
- Academic Unit
- International Programs; Spanish and Portuguese
- Record Identifier
- 9984398008502771
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