Microalgae and Cyanobacteria Role in Sustainable Agriculture: From Wastewater Treatment to Biofertilizer Production

Lutzu, Giovanni Antonio; Parsaeimehr, Ali; Ozbay, Gulnihal; Ciurli, Adriana; Bacci, Leonardo; Rao, Ambati Ranga; Ravishankar, Gokare A.; Concas, Alessandro

doi:10.1002/9783527843367.ch29

Algae Mediated Bioremediation 2024

DOI: 10.1002/9783527843367.ch29

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Microalgae and Cyanobacteria Role in Sustainable Agriculture: From Wastewater Treatment to Biofertilizer Production

Giovanni Antonio Lutzu,

Ali Parsaeimehr,

Gulnihal Ozbay

et al.

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2024

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Cited by 3 publications

References 184 publications

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New strategy for the advancement of modern agriculture through the use of microalgae as biofertilizers

El-Moustaqim,

Sbai,

El Yousfi

et al. 2024

Euro-Mediterr J Environ Integr

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New strategy for the advancement of modern agriculture through the use of microalgae as biofertilizers

El-Moustaqim,

Sbai,

El Yousfi

et al. 2024

Euro-Mediterr J Environ Integr

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Utilization of fungal and bacterial bioremediation techniques for the treatment of toxic waste and biowaste

Thirumalaivasan,

Gnanasekaran,

Kumar

et al. 2024

Front. Mater.

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The escalating accumulation of toxic wastes and biowastes constitutes a critical environmental crisis that demands immediate and effective solutions. Traditional waste treatment methods, predominantly chemical and physical, are increasingly viewed as unsustainable, burdened by high operational costs and the risk of generating secondary pollutants. Against this backdrop, bioremediation emerges as a crucial and sustainable alternative, utilizing the natural detoxifying capabilities of microorganisms. This review article focuses on the use of fungal and bacterial strategies in bioremediation, emphasizing their vital role in the degradation, stabilization, or detoxification of pollutants. We provide an in-depth analysis of the mechanisms by which fungi and bacteria break down various contaminants, presenting a current snapshot of the field’s state of knowledge. The article highlights recent innovative advancements that improve the effectiveness and expand the applicability of bioremediation technologies. Moreover, it discusses the practical challenges of scaling these solutions to meet global environmental needs and suggests directions for future research and implementation. This synthesis not only underscores the significance of microbial bioremediation in addressing pressing environmental problems but also acts as a call to action for continued innovation in the sustainable management of hazardous wastes.

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Mixotrophic Cultivation of Arthrospira platensis (Spirulina) under Salt Stress: Effect on Biomass Composition, FAME Profile and Phycocyanin Content

Russo,

Ballotta,

Usai

et al. 2024

Marine Drugs

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Arthrospira platensis holds promise for biotechnological applications due to its rapid growth and ability to produce valuable bioactive compounds like phycocyanin (PC). This study explores the impact of salinity and brewery wastewater (BWW) on the mixotrophic cultivation of A. platensis. Utilizing BWW as an organic carbon source and seawater (SW) for salt stress, we aim to optimize PC production and biomass composition. Under mixotrophic conditions with 2% BWW and SW, A. platensis showed enhanced biomass productivity, reaching a maximum of 3.70 g L−1 and significant increases in PC concentration. This study also observed changes in biochemical composition, with elevated protein and carbohydrate levels under salt stress that mimics the use of seawater. Mixotrophic cultivation with BWW and SW also influenced the FAME profile, enhancing the content of C16:0 and C18:1 FAMES. The purity (EP of 1.15) and yield (100 mg g−1) of PC were notably higher in mixotrophic cultures, indicating the potential for commercial applications in food, cosmetics, and pharmaceuticals. This research underscores the benefits of integrating the use of saline water with waste valorization in microalgae cultivation, promoting sustainability and economic efficiency in biotechnological processes.

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Microalgae and Cyanobacteria Role in Sustainable Agriculture: From Wastewater Treatment to Biofertilizer Production

Cited by 3 publications

References 184 publications

New strategy for the advancement of modern agriculture through the use of microalgae as biofertilizers

New strategy for the advancement of modern agriculture through the use of microalgae as biofertilizers

Utilization of fungal and bacterial bioremediation techniques for the treatment of toxic waste and biowaste

Mixotrophic Cultivation of Arthrospira platensis (Spirulina) under Salt Stress: Effect on Biomass Composition, FAME Profile and Phycocyanin Content

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