Effect of high CO2 concentrations on the growth and macromolecular composition of a heat- and high-light-tolerant microalga

Varshney, Prachi; Sohoni, Sujata Vijay; Wangikar, Pramod P.; Beardall, John

doi:10.1007/s10811-016-0797-4

Cited by 38 publications

(13 citation statements)

References 51 publications

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“…In fact, at low pH under sub-optimal conditions, due to high concentration of dissolved inorganic carbon in the culture, the activity of the extracellular carbonic anhydrase enzyme of microalgae reduces. Hence, cells may have to expend more energy to maintain the intracellular pH within the range necessary for cell function, which could reduce growth rates (Varshney et al, 2016;Wang et al, 2014).…”

Section: Biomass and Lipid Productivitymentioning

confidence: 99%

Biodiesel production potential of wastewater treatment high rate algal pond biomass

Mehrabadi

Craggs

Farid

2016

Bioresource Technology

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Section: Biomass and Lipid Productivitymentioning

confidence: 99%

Biodiesel production potential of wastewater treatment high rate algal pond biomass

Mehrabadi

Craggs

Farid

2016

Bioresource Technology

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“…was sampled from the wastewater of an oil refinery (Varshney et al. ) and two other thermophilic green algal strains were isolated from wastewater ponds in India (Varshney et al. ).…”

Section: Extreme Environments and Classification Of Extremophile Algaementioning

confidence: 99%

Extremophile Microalgae: the potential for biotechnological application

Malavasi

Soru

Cao

2020

Journal of Phycology

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Microalgae are photosynthetic microorganisms that use sunlight as an energy source, and convert water, carbon dioxide, and inorganic salts into algal biomass. The isolation and selection of microalgae, which allow one to obtain large amounts of biomass and valuable compounds, is a prerequisite for their successful industrial production. This work provides an overview of extremophile algae, where their ability to grow under harsh conditions and the corresponding accumulation of metabolites are addressed. Emphasis is placed on the high‐value products of some prominent algae. Moreover, the most recent applications of these microorganisms and their potential exploitation in the context of astrobiology are taken into account.

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“…Further increases in CO 2 concentration tend to be counterproductive and reduce the biomass growth rate . Some studies have reported that elevated levels of CO 2 inhibit algal biomass production and reduce the efficiency of photosystem II (PSII; a functional unit that captures photons from light energy to extract electrons from water molecules) . Ota et al.…”

Section: Effect Of Flue Gas Compounds On Microalgae and Vice Versamentioning

confidence: 99%

Impact of Flue Gas Compounds on Microalgae and Mechanisms for Carbon Assimilation and Utilization

et al. 2018

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To shift the world to a more sustainable future, it is necessary to phase out the use of fossil fuels and focus on the development of low-carbon alternatives. However, this transition has been slow, so there is still a large dependence on fossil-derived power, and therefore, carbon dioxide is released continuously. Owing to the potential for assimilating and utilizing carbon dioxide to generate carbon-neutral products, such as biodiesel, the application of microalgae technology to capture CO from flue gases has gained significant attention over the past decade. Microalgae offer a more sustainable source of biomass, which can be converted into energy, over conventional fuel crops because they grow more quickly and do not adversely affect the food supply. This review focuses on the technical feasibility of combined carbon fixation and microalgae cultivation for carbon reuse. A range of different carbon metabolisms and the impact of flue gas compounds on microalgae are appraised. Fixation of flue gas carbon dioxide is dependent on the selected microalgae strain and on flue gas compounds/concentrations. Additionally, current pilot-scale demonstrations of microalgae technology for carbon dioxide capture are assessed and its future prospects are discussed. Practical implementation of this technology at an industrial scale still requires significant research, which necessitates multidisciplinary research and development to demonstrate its viability for carbon dioxide capture from flue gases at the commercial level.

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Effect of high CO2 concentrations on the growth and macromolecular composition of a heat- and high-light-tolerant microalga

Cited by 38 publications

References 51 publications

Biodiesel production potential of wastewater treatment high rate algal pond biomass

Biodiesel production potential of wastewater treatment high rate algal pond biomass

Extremophile Microalgae: the potential for biotechnological application

Impact of Flue Gas Compounds on Microalgae and Mechanisms for Carbon Assimilation and Utilization

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