Antenna size reduction as a strategy to increase biomass productivity: a great potential not yet realized

Mooij, Tim de; Janssen, Marcel; Cerezo-Chinarro, Oscar; Mussgnug, Jan H.; Kruse, Olaf; Ballottari, Matteo; Bassi, Roberto; Bujaldon, Sandrine; Wollman, Françis-André; Wijffels, René H.

doi:10.1007/s10811-014-0427-y

Cited by 101 publications

(93 citation statements)

References 37 publications

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“…Microalgae have a versatile metabolism, which offers products that can be used as food, feed, fine chemicals, antioxidants, pigments, pharmaceuticals and vitamins (Pulz et al 2004, de Mooij et al 2014. Successful commercial exploitation of microalgae for bulk products requires a substantial decrease in the production costs of algal products.…”

Section: Microalgae and Photosynthetic Efficiencymentioning

confidence: 99%

“…The reactors were operated in turbidostat mode to ensure a constant light regime; a light sensor measures the transmission through the reactor and if light transmission was below the setpoint, the culture was automatically diluted with fresh medium employing a peristaltic pump. Further details of the photobioreactor setup and its operation are provided in de Mooij et al (2014), with the exception that the gas stream of di-nitrogen was, at all times, 200 mL min -1 (± 20). Fig.…”

Section: Photobioreactor Setup and Operationmentioning

confidence: 99%

“…(de Mooij et al 2014). Only samples from the cultures grown under yellow and warm white light were diluted with medium (1:1) because of the higher biomass density.…”

Section: Absorption Cross Sectionmentioning

confidence: 99%

“…In our previous study (de Mooij et al 2014), we evaluated the areal biomass productivity of four different antenna size mutants (Olive et al 1981, De Vitry et al 1988, Mussgnug et al 2007, Bonente et al 2011, Kirst et al 2012 under simulated mass culture conditions. These mutants were expected to show improved productivity because of their lower pigment content compared to the wild-type thereby assuring less light absorption per cell.…”

Section: Introductionmentioning

confidence: 99%

“…In dilute cultures, not all incoming light energy is absorbed and, therefore, light absorption is the limiting factor for maximizing productivity. On the contrary, high density cultures are characterized by the fact that all incoming light is absorbed anyway by direct or indirect control of biomass concentration via chemostat or turbidostat operation , de Mooij et al 2014. Therefore, since total light absorption is already guaranteed in mass cultures by applying a high biomass density, productivity is limited by the efficiency at which the absorbed light is converted to biochemical energy, and not by the efficiency of light absorption.…”

Section: Introductionmentioning

confidence: 99%

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Antenna size reduction in microalgae mass culture

Mooij¹

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Section: Microalgae and Photosynthetic Efficiencymentioning

confidence: 99%

Section: Photobioreactor Setup and Operationmentioning

confidence: 99%

“…(de Mooij et al 2014). Only samples from the cultures grown under yellow and warm white light were diluted with medium (1:1) because of the higher biomass density.…”

Section: Absorption Cross Sectionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Antenna size reduction in microalgae mass culture

Mooij¹

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Shifting the Sun: Solar Spectral Conversion and Extrinsic Sensitization in Natural and Artificial Photosynthesis

et al. 2015

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Solar energy harvesting is largely limited by the spectral sensitivity of the employed energy conversion system, where usually large parts of the solar spectrum do not contribute to the harvesting scheme, and where, of the contributing fraction, the full potential of each photon is not efficiently used in the generation of electrical or chemical energy. Extrinsic sensitization through photoluminescent spectral conversion has been proposed as a route to at least partially overcome this problem. Here, we discuss this approach in the emerging context of photochemical energy harvesting and storage through natural or artificial photosynthesis. Clearly contrary to application in photovoltaic energy conversion, implementation of solar spectral conversion for extrinsic sensitization of a photosynthetic machinery is very straightforward, and—when compared to intrinsic sensitization—less‐strict limitations with regard to quantum coherence are seen. We now argue the ways in which extrinsic sensitization through photoluminescent spectral converters will—and will not—play its role in the area of ultra‐efficient photosynthesis, and also illustrate how such extrinsic sensitization requires dedicated selection of specific conversion schemes and design strategies on system scale.

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Microalgae cultivation and metabolites production: a comprehensive review

Vuppaladadiyam

Prinsen

Raheem

et al. 2018

Biofuels Bioprod Bioref

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Microalgae have important potential in the bio‐based industry. However, their light‐utilization mechanisms are still not fully understood. Together with knowledge of their metabolic pathways and their responses in carbon partitioning to different primary metabolites (carbohydrates, lipids and proteins), this information is essential if their potential and profitability are to be better exploited. The first part of this review describes the techniques used for microalgae cultivation and the growth factors that determine their productivity, one of the most important factors in techno‐economic assessment studies of microalgae production systems. In the second part, a closer look is taken at their chemical composition in relation to the biosynthesis of primary and secondary metabolites. © 2018 Society of Chemical Industry and John Wiley & Sons, Ltd

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Antenna size reduction as a strategy to increase biomass productivity: a great potential not yet realized

Cited by 101 publications

References 37 publications

Antenna size reduction in microalgae mass culture

Antenna size reduction in microalgae mass culture

Shifting the Sun: Solar Spectral Conversion and Extrinsic Sensitization in Natural and Artificial Photosynthesis

Microalgae cultivation and metabolites production: a comprehensive review

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