A Perspective on the Biotechnological Potential of Microalgae

Raja, Rathinam; Hemaiswarya, Shanmugam; Kumar, Neeraj; Sridhar, S. G. D.; Rengasamy, Ramasamy

doi:10.1080/10408410802086783

Cited by 330 publications

(128 citation statements)

References 56 publications

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“…There are more than 25,000 species, of which only a few are used commercially. However, sophisticated microalgal biotechnology has been introduced only recently to develop innovative processes and products, such as functional foods and cosmetics (17). The improvement of microalgal growth physiology during cultivation will certainly advance the development of the algal industries.…”

Section: Discussionmentioning

confidence: 99%

Effects of alginate oligosaccharide mixtures on the growth and fatty acid composition of the green alga Chlamydomonas reinhardtii

Yamasaki

Yokose²,

Nishikawa³

et al. 2012

Journal of Bioscience and Bioengineering

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Alginate is a natural acidic linear polysaccharide that is produced by brown seaweeds. It is currently used in a broad range of commercial enterprises, such as the food and medical products industries. Recent evidence has demonstrated that alginate oligosaccharides may function as growth promoting agents for certain plant cells, including those of some green algae. Chlamydomonas reinhardtii is a green alga that is used as a model organism in fundamental molecular biology studies; it is also a producer of biohydrogen. In the present study, we examined effects of two types of alginate oligosaccharide mixtures (AOMs), which were prepared by either enzymatic degradation (ED) or acid hydrolysis (AH), on the growth of C. reinhardtii. Growth was significantly promoted by AOM (ED) in a concentration-dependent manner. The maximum effect was observed on day 4 of treatment. The fatty acid composition of C. reinhardtii was also influenced by AOM (ED); the levels of C16:0, C18:2 cis and C18:3 n-3 increased in treated cells. AOM (AH) and the other saccharides that we tested did not affect the growth of C. reinhardtii. The effects that we identified could promote efficient biomass production by reducing culture times and by changing cellular fatty acid levels.

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Section: Discussionmentioning

confidence: 99%

Effects of alginate oligosaccharide mixtures on the growth and fatty acid composition of the green alga Chlamydomonas reinhardtii

Yamasaki

Yokose²,

Nishikawa³

et al. 2012

Journal of Bioscience and Bioengineering

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“…Bioprospecting of tropical ecosystems can provide exceptional native microalgae strains with the potential for the production of biodiesel, nutraceuticals, bioactive chemicals and other high value products [36][37][38]. Furthermore, native microalgae strains can have potential applications for efficient biological sequestration of CO 2 , wastewater treatment and other environmentally-friendly applications [38][39][40].…”

Section: Isolation and Identification Of The Microalgae Strainsmentioning

confidence: 99%

Isolation and Characterization of Native Microalgae from the Peruvian Amazon with Potential for Biodiesel Production

et al. 2017

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Biodiesel production from microalgae triacylglycerols is growing, because this feedstock is a more sustainable and advantageous alternative. In this study, we isolated and identified fourteen strains of native microalgae from the Peruvian Amazon. These strains showed great heterogeneity in biomass productivity, lipid productivity and lipid content, and thus, three of them (Acutodesmus obliquus, Ankistrodesmus sp. and Chlorella lewinii) were selected for further evaluation under culture of nitrogen-sufficient (+N) and nitrogen-deficient (−N) Chu medium No. 10. These microalgae species showed modifications in biomolecule content (protein, lipid and carbohydrate) with a pronounced increase of lipids and carbohydrate and a decrease of protein content under stress culture. Furthermore, the fatty acid profile was peculiar for each species, and these patterns showed evident changes, particularly in the proportion of saturated and monounsaturated fatty acids. The results of this research suggest that the isolated native microalgae, from the Peruvian Amazon, could be suitable candidates for biodiesel production.

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“…Indeed, in the form of algae structures, the latter source accounts for the most promising biomass at the time of writing (Dismukes et al, 2008;Raja, et al, 2008). Requiring considerably less land use than terrestrial biomass, algal species can grow at mild conditions, offering much higher (solar) energy yields in comparison with terrestrial plants and the possibility to clean industrial CO2 emissions from flue gases and/or industrial and municipal wastewater.…”

Section: Developments Beyond the Second Generation Technologymentioning

confidence: 99%

On the use of systems technologies and a systematic approach for the synthesis and the design of future biorefineries

Kokossis

Yang

2010

Computers & Chemical Engineering

129

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A Perspective on the Biotechnological Potential of Microalgae

Cited by 330 publications

References 56 publications

Effects of alginate oligosaccharide mixtures on the growth and fatty acid composition of the green alga Chlamydomonas reinhardtii

Effects of alginate oligosaccharide mixtures on the growth and fatty acid composition of the green alga Chlamydomonas reinhardtii

Isolation and Characterization of Native Microalgae from the Peruvian Amazon with Potential for Biodiesel Production

On the use of systems technologies and a systematic approach for the synthesis and the design of future biorefineries

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