Phytohormonal impacts on fatty acid profiles in Chlorella vulgaris Beijerinck: endogenous identification and exogenous application of cytokinins and abscisic acid

Ramphal, Kira; Lewis, Ainsely; Trzaskalski, Natasha A.; Kisiala, Anna; Morrison, Erin N.; Narine, Suresh S.; Emery, R. J. Neil

doi:10.1007/s10811-023-03068-y

J Appl Phycol

2023

DOI: 10.1007/s10811-023-03068-y

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Phytohormonal impacts on fatty acid profiles in Chlorella vulgaris Beijerinck: endogenous identification and exogenous application of cytokinins and abscisic acid

Kira Ramphal,

Ainsely Lewis,

Natasha A. Trzaskalski

et al.

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2024

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Cited by 2 publications

References 80 publications

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Phycoremediated Microalgae and Cyanobacteria Biomass as Biofertilizer for Sustainable Agriculture: A Holistic Biorefinery Approach to Promote Circular Bioeconomy

Renganathan,

Gaysina,

Holguín-Peña

et al. 2024

Biomass

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The increasing global population has raised concerns about meeting growing food demand. Consequently, the agricultural sector relies heavily on chemical fertilizers to enhance crop production. However, the extensive use of chemical fertilizers can disrupt the natural balance of the soil, causing structural damage and changes in the soil microbiota, as well as affecting crop yield and quality. Biofertilizers and biostimulants derived from microalgae and cyanobacteria are promising sustainable alternatives that significantly influence plant growth and soil health owing to the production of diverse biomolecules, such as N-fixing enzymes, phytohormones, polysaccharides, and soluble amino acids. Despite these benefits, naturally producing high-quality microalgal biomass is challenging owing to various environmental factors. Controlled settings, such as artificial lighting and photobioreactors, allow continuous biomass production, but high capital and energy costs impede large-scale production of microalgal biomass. Sustainable methods, such as wastewater bioremediation and biorefinery strategies, are potential opportunities to overcome these challenges. This review comprehensively summarizes the plant growth-promoting activities of microalgae and elucidates the mechanisms by which various microalgal metabolites serve as biostimulants and their effects on plants, using distinct application methods. Furthermore, it addresses the challenges of biomass production in wastewater and explores biorefinery strategies for enhancing the sustainability of biofertilizers.

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Phycoremediated Microalgae and Cyanobacteria Biomass as Biofertilizer for Sustainable Agriculture: A Holistic Biorefinery Approach to Promote Circular Bioeconomy

Renganathan,

Gaysina,

Holguín-Peña

et al. 2024

Biomass

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Hydroponics with Microalgae and Cyanobacteria: Emerging Trends and Opportunities in Modern Agriculture

Renganathan,

Puente,

Sukhanova

et al. 2024

BioTech

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The global population is expected to reach 9.5 billion, which means that crop productivity needs to double to meet the growing population’s food demand. Soil degradation and environmental factors, such as climate events, significantly threaten crop production and global food security. Furthermore, rapid urbanization has led to 55% of the world’s population migrating to cities, and this proportion is expected to increase to 75% by 2050, which presents significant challenges in producing staple foods through conventional hinterland farming. Numerous studies have proposed various sustainable farming techniques to combat the shortage of farmable land and increase food security in urban areas. Soilless farming techniques such as hydroponics have gained worldwide popularity due to their resource efficiency and production of superior-quality fresh products. However, using chemical nutrients in a conventional hydroponic system can have significant environmental impacts, including eutrophication and resource depletion. Incorporating microalgae into hydroponic systems as biostimulants offers a sustainable and ecofriendly approach toward circular bioeconomy strategies. The present review summarizes the plant growth-promoting activity of microalgae as biostimulants and their mechanisms of action. We discuss their effects on plant growth parameters under different applications, emphasizing the significance of integrating microalgae into a closed-loop circular economy model to sustainably meet global food demands.

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Phytohormonal impacts on fatty acid profiles in Chlorella vulgaris Beijerinck: endogenous identification and exogenous application of cytokinins and abscisic acid

Cited by 2 publications

References 80 publications

Phycoremediated Microalgae and Cyanobacteria Biomass as Biofertilizer for Sustainable Agriculture: A Holistic Biorefinery Approach to Promote Circular Bioeconomy

Phycoremediated Microalgae and Cyanobacteria Biomass as Biofertilizer for Sustainable Agriculture: A Holistic Biorefinery Approach to Promote Circular Bioeconomy

Hydroponics with Microalgae and Cyanobacteria: Emerging Trends and Opportunities in Modern Agriculture

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