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The environmental and culture conditions of a potential microalgae Euglena sanguinea were optimized for maximizing the biomass productivity. It was found that the organic macronutrient from poultry litter and organic micronutrient of seaweed extract are very effective to enhance the lipid production. Complementing, these organic nutrients with commercial NPK fertilizer, boost up the lipid productivity by 30.9% in comparison with the established standard Euglena medium. The fatty acid profile of the extracted oil by GC-MS reveals its conformity with commercial diesel.
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http://dx.doi.org/10.1016/j.biortech.2017.06.136 | DOI Listing |
J Exp Bot
September 2025
Genetics and Physiology of microalgae, InBioS/Phytosystems, University of Liège, Belgium.
Photosynthetic organisms have evolved diverse strategies to adapt to fluctuating light conditions, balancing efficient light capture with photoprotection. In green algae and land plants, this involves specialized light-harvesting complexes (LHCs), non-photochemical quenching, and state transitions driven by dynamic remodeling of antenna proteins associated with Photosystems (PS) I and II. Euglena gracilis, a flagellate with a secondary green plastid, represents a distantly related lineage whose light-harvesting regulation remains poorly understood.
View Article and Find Full Text PDFJ Virol
August 2025
Department of Biological Sciences, Virginia Tech, , Blacksburg, Virginia, USA.
Genomes of giant viruses (phylum ) have increasingly been found integrated into the genomes of diverse eukaryotes. Here, we report eight giant endogenous viral elements (GEVEs) in the genome of the microalgae . The GEVEs in bear signatures of genomic erosion, including invasion of transposable elements and duplications, suggesting that they are incapable of reactivation and virion production.
View Article and Find Full Text PDFMar Biotechnol (NY)
August 2025
Malaysia Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia.
The microalgae Euglena holds promise for biofuel production due to its high lipid content. However, the lipid productivity of current species/strains for biofuel production remains suboptimal due to limitations in strain selection. Therefore, this study aims to isolate and identify novel Euglena species or strains with high biomass and lipid productivity to enhance biofuel production from a desirable environment.
View Article and Find Full Text PDFJ Agric Food Chem
August 2025
College of Marine Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
is a photosynthetic microalga that can synthesize paramylon. This study utilized CRISPR/Cas9 to knock out β-1,3-glucan phosphorylase, resulting in engineered strains to increase paramylon production. The mutant strain produced paramylon constituting 68.
View Article and Find Full Text PDFFoods
July 2025
School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China.
Biomass-derived growth stimulants are widely recognized as green and economical solutions that can significantly enhance microalgae culture efficiency and optimize the biomanufacturing process of target products. In this paper, we investigated the effect of ethanol synergized with guaiacol (GA) on biomass and β-1,3 glucan accumulation in edible microalgae, namely . The ethanol-induced mixotrophic mode significantly increased biomass and paramylon production by 12.
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