Potential Applications of Native Cyanobacterium Isolate ( Arthrospira platensis NIOF17/003) for Biodiesel Production and Utilization of Its Byproduct in Marine Rotifer ( Brachionus plicatilis ) Production

Mohamed A. Zaki, Mohamed Ashour, Ahmed M. M. Heneash, Mohamed M. Mabrouk, Ahmed E. Alprol, Hanan M. Khairy, Abdelaziz M. Nour, Abdallah Tageldein Mansour, Hesham A. Hassanien, Ahmed Gaber and Mostafa E. Elshobary
Additional contact information
Mohamed A. Zaki: Animal and Fish Production Department, Faculty of Agriculture, Alexandria University, Alexandria 21545, Egypt
Mohamed Ashour: National Institute of Oceanography and Fisheries (NIOF), Cairo 11516, Egypt
Ahmed M. M. Heneash: National Institute of Oceanography and Fisheries (NIOF), Cairo 11516, Egypt
Mohamed M. Mabrouk: Fish Division, Animal Production Department, Faculty of Agriculture, Al-Azhar University, Cairo 11823, Egypt
Ahmed E. Alprol: National Institute of Oceanography and Fisheries (NIOF), Cairo 11516, Egypt
Hanan M. Khairy: National Institute of Oceanography and Fisheries (NIOF), Cairo 11516, Egypt
Abdelaziz M. Nour: Animal and Fish Production Department, Faculty of Agriculture, Alexandria University, Alexandria 21545, Egypt
Abdallah Tageldein Mansour: Animal and Fish Production Department, College of Agricultural and Food Sciences, King Faisal University, P.O. Box 420, Al-Ahsa 31982, Saudi Arabia
Hesham A. Hassanien: Animal and Fish Production Department, College of Agricultural and Food Sciences, King Faisal University, P.O. Box 420, Al-Ahsa 31982, Saudi Arabia
Ahmed Gaber: Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
Mostafa E. Elshobary: Department of Botany and Microbiology, Faculty of Science, Tanta University, Tanta 31527, Egypt

Sustainability, 2021, vol. 13, issue 4, 1-16

Abstract: To achieve strong, successful and commercial aqua-biotechnological microalgae applications, screening, isolation, molecular identification, and physiological characterizations are needed. In the current study, a native cyanobacteria strain Arthrospira platensis NIOF17/003 was isolated from the surface water of El-Khadra Lake, a saline-alkaline lake located in Wadi El-Natrun, Egypt. The cyanobacterium was phylogenetically identified by 16S rRNA molecular marker and deposited in the GenBank database (accession number MW396472). The late exponential phase of A. platensis NIOF17/003 was reached at the 8th day of growth using Zarrouk medium, with a recorded dry weight (DW) of 0.845 g L ?1 . The isolated strain showed 52% of protein, 14% of carbohydrate, biomass productivity of 143.83 mg L ?1 day ?1 , 8.5% of lipid, and lipid productivity of 14.37 mg L ?1 day ?1 . In general, the values of cetane number, iodine value, cold filter plugging point (52.9, 85.5 g I2/100 g oil, and ?2.2 °C, respectively) of the isolated fatty acid methyl esters are in accordance with those suggested by international standards. Besides, applying algal-free lipid (FL) as biodiesel byproduct in the production of rotifer ( Brachionus plicatilis ) revealed that a 0.6 g L ?1 FL significantly increased the rotifer population females carrying eggs, confirming that FL can be used efficiently for B. plicatilis production. The current study concluded that the new isolate A. platensis NIOF17/003 is a promising strain for double sustainable use in biodiesel production and aquaculture feed.

Keywords: Arthrospira platensis NIOF17/003; aquaculture; biodiesel production; byproduct; live-feeds; blue-green algae; El-Khadra Lake; alkaline lake; Wadi El-Natrun (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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