Could microalgae be a strategic choice for responding to the demand for omega-3 fatty acids? A European perspective

Magoni, Chiara; Bertacchi, Stefano; Giustra, Chiara Maria; Guzzetti, Lorenzo; Cozza, Radiana; Ferrari, Michele; Torelli, Anna; Marieschi, Matteo; Porro, Danilo; Branduardi, Paola; Labra, Massimo

doi:10.1016/j.tifs.2022.01.030

Cited by 26 publications

(13 citation statements)

References 122 publications

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“…Plants have evolved a variety of physiological and biochemical mechanisms to cope with environmental hazards. Lipid production, extreme temperatures, lighting, the amount of carbon dioxide, UV exposure, salt content and nutrient starvation are the typical abiotic stress factors that significantly affect the biochemical composition of algal cells [ 88 , 89 , 90 , 91 , 92 , 93 ].…”

Section: Dna Methylation In Algae Response To Abiotic Stressmentioning

confidence: 99%

“…Nutrient stress causes the generation of free radical species in the cell and can thus result in changes in antioxidant content [ 111 ]. Several studies have investigated the influence of nutrient stress on metabolic changes in microalgae, such as the production enhancing of lipids (reviewed in [ 93 ]), carbohydrates [ 112 , 113 ] and/or secondary metabolites [ 114 ].…”

Section: Dna Methylation In Algae Response To Abiotic Stressmentioning

confidence: 99%

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DNA Methylation in Algae and Its Impact on Abiotic Stress Responses

Ferrari

Muto

Bruno

et al. 2023

Plants

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Epigenetics, referring to heritable gene regulatory information that is independent of changes in DNA sequences, is an important mechanism involved both in organism development and in the response to environmental events. About the epigenetic marks, DNA methylation is one of the most conserved mechanisms, playing a pivotal role in organism response to several biotic and abiotic stressors. Indeed, stress can induce changes in gene expression through hypo- or hyper-methylation of DNA at specific loci and/or in DNA methylation at the genome-wide level, which has an adaptive significance and can direct genome evolution. Exploring DNA methylation in responses to abiotic stress could have important implications for improving stress tolerance in algae. This article summarises the DNA methylation pattern in algae and its impact on abiotic stress, such as heavy metals, nutrients and temperature. Our discussion provides information for further research in algae for a better comprehension of the epigenetic response under abiotic stress, which could favour important implications to sustain algae growth under abiotic stress conditions, often related to high biosynthesis of interesting metabolites.

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Section: Dna Methylation In Algae Response To Abiotic Stressmentioning

confidence: 99%

Section: Dna Methylation In Algae Response To Abiotic Stressmentioning

confidence: 99%

DNA Methylation in Algae and Its Impact on Abiotic Stress Responses

Ferrari

Muto

Bruno

et al. 2023

Plants

Self Cite

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“…On the other hand, the European algal sector is distributed in 43% of companies producing microalgae, and 57% is focused on marine algae. In addition, Europe is estimated to be the leader in the Spirulina market, and it is known that the largest volumes of microalgal biomass are produced in countries such as Ireland, Norway, and France [ 99 ].…”

Section: Global Microalgae Marketmentioning

confidence: 99%

Trends on CO2 Capture with Microalgae: A Bibliometric Analysis

et al. 2022

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The alarming levels of carbon dioxide (CO2) are an environmental problem that affects the economic growth of the world. CO2 emissions represent penalties and restrictions due to the high carbon footprint. Therefore, sustainable strategies are required to reduce the negative impact that occurs. Among the potential systems for CO2 capture are microalgae. These are defined as photosynthetic microorganisms that use CO2 and sunlight to obtain oxygen (O2) and generate value-added products such as biofuels, among others. Despite the advantages that microalgae may present, there are still technical–economic challenges that limit industrial-scale commercialization and the use of biomass in the production of added-value compounds. Therefore, this study reviews the current state of research on CO2 capture with microalgae, for which bibliometric analysis was used to establish the trends of the subject in terms of scientometric parameters. Technological advances in the use of microalgal biomass were also identified. Additionally, it was possible to establish the different cooperation networks between countries, which showed interactions in the search to reduce CO2 concentrations through microalgae.

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“…Notably, the production of microalgal PUFAs is considered more sustainable when compared with aquaculture. Current methods of fish production cannot meet the growing demand for omega-3 fatty acids [ 140 ]. PUFAs are crucial for maintenance of healthy sleep patterns, mood stability and brain health.…”

Section: Therapeutic Potential Of Microalgae In Sleep and Mood Regula...mentioning

confidence: 99%

Potential Psychoactive Effects of Microalgal Bioactive Compounds for the Case of Sleep and Mood Regulation: Opportunities and Challenges

2022

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Sleep deficiency is now considered an emerging global epidemic associated with many serious health problems, and a major cause of financial and social burdens. Sleep and mental health are closely connected, further exacerbating the negative impact of sleep deficiency on overall health and well-being. A major drawback of conventional treatments is the wide range of undesirable side-effects typically associated with benzodiazepines and antidepressants, which can be more debilitating than the initial disorder. It is therefore valuable to explore the efficiency of other remedies for complementarity and synergism with existing conventional treatments, leading to possible reduction in undesirable side-effects. This review explores the relevance of microalgae bioactives as a sustainable source of valuable phytochemicals that can contribute positively to mood and sleep disorders. Microalgae species producing these compounds are also catalogued, thus creating a useful reference of the state of the art for further exploration of this proposed approach. While we highlight possibilities awaiting investigation, we also identify the associated issues, including minimum dose for therapeutic effect, bioavailability, possible interactions with conventional treatments and the ability to cross the blood brain barrier. We conclude that physical and biological functionalization of microalgae bioactives can have potential in overcoming some of these challenges.

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Could microalgae be a strategic choice for responding to the demand for omega-3 fatty acids? A European perspective

Cited by 26 publications

References 122 publications

DNA Methylation in Algae and Its Impact on Abiotic Stress Responses

DNA Methylation in Algae and Its Impact on Abiotic Stress Responses

Trends on CO2 Capture with Microalgae: A Bibliometric Analysis

Potential Psychoactive Effects of Microalgal Bioactive Compounds for the Case of Sleep and Mood Regulation: Opportunities and Challenges

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