Development of Algal Biotechnology, Second Edition

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Marine Resources, Conservation and Technology, Marine Algae Laboratory, Centre for Functional Ecology—Science for People & the Planet (CFE), Department of Life Sciences, University of Coimbra, 3000-456 Coimbra, Portugal
Interests: marine biotechnology; phycology; biodiversity; nutraceuticals
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Special Issue Information

Dear Colleagues,

This Special Issue explores the cutting-edge advancements and transformative potential of algal biotechnology. Algae, as a sustainable and versatile resource, have gained prominence for their applications across various fields, including biofuels, pharmaceuticals, nutraceuticals, food products, and environmental remediation. The contributions in this Special Issue highlight innovative research on algal cultivation, bioactive compound extraction, genetic engineering, and industrial-scale applications. By addressing challenges and showcasing opportunities, this Special Issue aims to inspire further development and commercialization in the field. We invite readers to delve into these insights and join the global effort to harness the full potential of algae to create a sustainable future.

Dr. Leonel Pereira
Guest Editor

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Keywords

  • algal biotechnology
  • bioactive compounds
  • algal cultivation
  • genetic engineering in algae
  • industrial applications of algae
  • sustainable biofuels
  • environmental remediation
  • nutraceuticals from algae
  • algal biodiversity
  • marine biotechnology
  • phycology research
  • algal biomass utilization

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Published Papers (1 paper)

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Research

17 pages, 5463 KB  
Article
Growth and Metals Uptake of Black Soldier Fly Larvae (Hermetia illucens L.) Reared on a Wastewater-Cultivated Microalgae Enriched Substrate
by Tabitha J. Carr, Maureen E. Wakefield and Gary S. Caldwell
Phycology 2026, 6(2), 54; https://doi.org/10.3390/phycology6020054 - 19 May 2026
Viewed by 105
Abstract
Augmenting aquaculture feeds with black soldier fly (Hermetia illucens L.) larvae is an emerging solution to the industry’s fishmeal and fish oil dependence. However, the larva’s nutritional plasticity often results in bioaccumulation of metals from the rearing substrates. Larvae can be nutritionally [...] Read more.
Augmenting aquaculture feeds with black soldier fly (Hermetia illucens L.) larvae is an emerging solution to the industry’s fishmeal and fish oil dependence. However, the larva’s nutritional plasticity often results in bioaccumulation of metals from the rearing substrates. Larvae can be nutritionally enriched with microalgae, but research investigating growth impacts and metals uptake are lacking. In this study, a Stichococcaceae algae strain that is used to phycoremediate effluent from commercial anaerobic digesters was investigated as a rearing substrate. Larvae were reared on chicken feed enriched with stepped ratios of algae and spent coffee grounds (a reference waste feed). Growth, survival and metals content (ICP-OES) were recorded when 10% of larvae were prepupal. Survival was >98.5% across all treatments with a trend of increased growth with microalgal inclusion, and no significant impact of metals on growth. Metals uptake as determined by a bioaccumulation factor was significantly lower in the highest algae treatment compared to the coffee-only treatment. Larvae consistently accumulated cadmium and lead whereas arsenic bioaccumulation was only observed in three treatments. Cadmium had the highest bioaccumulation factor (up to 4.06) and arsenic the lowest (down to 0.41). Larvae did not exceed current European Union maximum metal ions levels for inclusion into aquafeeds. These findings highlight the potential of using Stichococcaceae to enrich black soldier fly larvae, offering a dual sustainable solution for wastewater remediation and aquaculture feed provision. Full article
(This article belongs to the Special Issue Development of Algal Biotechnology, Second Edition)
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