Production of phycocyanin by Leptolyngbya sp. in desert environments

Kira Schipper; Filippo Fortunati; Pieter C. Oostlander; Mariam Al Muraikhi; Hareb Mohammed S. J. Al Jabri; Rene H. Wijffels; Maria J. Barbosa

doi:10.1016/j.algal.2020.101875

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Production of phycocyanin by Leptolyngbya sp. in desert environments

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Production of phycocyanin by Leptolyngbya sp. in desert environments

Kira Schipper, Filippo Fortunati, Pieter C. Oostlander, Mariam Al Muraikhi, Hareb Mohammed S. J. Al Jabri, Rene H. Wijffels and Maria J. Barbosa

Algal research (Amsterdam), Vol.47, p.101875

05/01/2020

DOI: 10.1016/j.algal.2020.101875

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Abstract

Leptolyngbya sp. QUCCCM 56 was investigated as a possible alternative to A. platensis, for the production of phycocyanin-rich biomass under desert conditions. Under elevated temperatures and light intensities, of up to 40 °C and 1800 μmol·m−2·s−1, the strain's biomass productivity was up to 45% higher as compared to reported productivities for A. platensis, with comparable phycocyanin content. Increasing temperatures were found to improve the biomass productivity and phycocyanin content, which, at 40 °C, were 1.09 ± 0.03 gX·L−1·d−1 and 72.12 ± 3.52 mgPC·gX−1, respectively. The optimum biomass productivity was found at a light intensity of 300 μmol·m−2·s−1, with higher light intensities causing a decrease of 15%. Furthermore, of the various phycocyanin extraction methods tested, bead-beating in phosphate buffer had the highest combined phycocyanin yield (169.9 ± 3.6 mgPC·gX) and purity (7.37 ± 0.16) for Leptolyngbya sp. For A. platensis, this extraction method also resulted in the highest extract purities (3.78 ± 0.04). The extract purities obtained for Leptolyngbya sp. are considerably higher than other reported phycocyanin purities, and further investigation is recommended to study the scale-up of both Leptolyngbya sp. and bead-beating for commercial scale high-grade phycocyanin production under desert conditions.

Biotechnology & Applied Microbiology

Life Sciences & Biomedicine

Science & Technology

Details

Title: Subtitle: Production of phycocyanin by Leptolyngbya sp. in desert environments
Creators: Kira Schipper - Wageningen University & Research
Filippo Fortunati - Wageningen University & Research
Pieter C. Oostlander - Wageningen University & Research
Mariam Al Muraikhi - Qatar University
Hareb Mohammed S. J. Al Jabri - Qatar University
Rene H. Wijffels - Wageningen University & Research
Maria J. Barbosa - Wageningen Univ, Bioproc Engn, POB 16, NL-6700 AA Wageningen, Netherlands
Resource Type: Journal article
Publication Details: Algal research (Amsterdam), Vol.47, p.101875
DOI: 10.1016/j.algal.2020.101875
ISSN: 2211-9264
eISSN: 2211-9264
Publisher: Elsevier
Number of pages: 11
Grant note: QUEX-CAS-QDVC-14/15-7 / Qatar University; Qatar National Research Fund (QNRF)
Language: English
Date published: 05/01/2020
Academic Unit: International Programs; Spanish and Portuguese
Record Identifier: 9984397913402771

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