Carbon dioxide and poultry waste utilization for production of polyhydroxyalkanoate biopolymers by Nostoc muscorum Agardh: a sustainable approach

Bhati, Ranjana; Mallick, Nirupama

doi:10.1007/s10811-015-0573-x

Cited by 64 publications

(22 citation statements)

References 31 publications

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“…So far, there are no examples of a large-scale production of rare carotenoids from microalgae, and only one indexed paper has reported the cultivation of Nostoc for this purpose [ 122 ]. Several wild-types, as well as genetically-engineered species of Nostoc , have been used to investigate the production of exopolysaccharides, such as polyhydroxyalkanoates [ 123 ], and the production of hydrogen [ 124 ]. Moreover, several species of Anabaena have also been reported to serve as attractive sources for the production of exopolysaccharides [ 125 ] and carotenoids as feedstock for biodiesel [ 126 ].…”

Section: The Rare Carotenoidsmentioning

confidence: 99%

Exploring the Valuable Carotenoids for the Large-Scale Production by Marine Microorganisms

et al. 2018

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Carotenoids are among the most abundant natural pigments available in nature. These pigments have received considerable attention because of their biotechnological applications and, more importantly, due to their potential beneficial uses in human healthcare, food processing, pharmaceuticals and cosmetics. These bioactive compounds are in high demand throughout the world; Europe and the USA are the markets where the demand for carotenoids is the highest. The in vitro synthesis of carotenoids has sustained their large-scale production so far. However, the emerging modern standards for a healthy lifestyle and environment-friendly practices have given rise to a search for natural biocompounds as alternatives to synthetic ones. Therefore, nowadays, biomass (vegetables, fruits, yeast and microorganisms) is being used to obtain naturally-available carotenoids with high antioxidant capacity and strong color, on a large scale. This is an alternative to the in vitro synthesis of carotenoids, which is expensive and generates a large number of residues, and the compounds synthesized are sometimes not active biologically. In this context, marine biomass has recently emerged as a natural source for both common and uncommon valuable carotenoids. Besides, the cultivation of marine microorganisms, as well as the downstream processes, which are used to isolate the carotenoids from these microorganisms, offer several advantages over the other approaches that have been explored previously. This review summarizes the general properties of the most-abundant carotenoids produced by marine microorganisms, focusing on the genuine/rare carotenoids that exhibit interesting features useful for potential applications in biotechnology, pharmaceuticals, cosmetics and medicine.

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Section: The Rare Carotenoidsmentioning

confidence: 99%

Exploring the Valuable Carotenoids for the Large-Scale Production by Marine Microorganisms

et al. 2018

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“…More recently in Nostoc muscorum Agardh, the production of PHB was verified after supplementation with poultry waste [ 168 ]. Using 10 g/L of this agro-industrial waste, an increase of about 11% in PHB production was observed in relation to the control culture, with a total accumulation of 65% (dcw).…”

Section: Cyanobacteriamentioning

confidence: 99%

Cyanobacterial Polyhydroxyalkanoates: A Sustainable Alternative in Circular Economy

2020

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Conventional petrochemical plastics have become a serious environmental problem. Its unbridled use, especially in non-durable goods, has generated an accumulation of waste that is difficult to measure, threatening aquatic and terrestrial ecosystems. The replacement of these plastics with cleaner alternatives, such as polyhydroxyalkanoates (PHA), can only be achieved by cost reductions in the production of microbial bioplastics, in order to compete with the very low costs of fossil fuel plastics. The biggest costs are carbon sources and nutrients, which can be appeased with the use of photosynthetic organisms, such as cyanobacteria, that have a minimum requirement for nutrients, and also using agro-industrial waste, such as the livestock industry, which in turn benefits from the by-products of PHA biotechnological production, for example pigments and nutrients. Circular economy can help solve the current problems in the search for a sustainable production of bioplastic: reducing production costs, reusing waste, mitigating CO2, promoting bioremediation and making better use of cyanobacteria metabolites in different industries.

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“…Due to the high costs and sustainability concerns associated with raw materials traditionally used in the production of PHA, the use of agro-food waste, food industry waste, and other non-food industry residues, have been increasingly studied (Braunegg et al, 2004). For example, several solid residues have been examined such as rice bran (Oh et al, 2015), pea-shells (Kumar et al, 2016), chicory roots (Haas, 2015), potato peels, apple pomace, onion peels (Kumar et al, 2016), grape pomace (Follonier, 2015), animal farm waste, poultry litter (Bhati and Mallick, 2016), and palm oil (Loo et al, 2005). In the case of food wastes for PHAs production, literature report on the use of spent coffee grounds (Cruz et al, 2014), food waste composite (Amulya et al, 2015), and used cooking oil (Gómez Cardozo et al, 2016;Borrero-de Acuña et al, 2019).…”

Section: Substrates For the Production Of Polyhydroxyalkanoates And Imentioning

confidence: 99%

Beyond Intracellular Accumulation of Polyhydroxyalkanoates: Chiral Hydroxyalkanoic Acids and Polymer Secretion

Yáñez

Conejeros

Vergara-Fernández

et al. 2020

Front. Bioeng. Biotechnol.

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Polyhydroxyalkanoates (PHAs) are ubiquitous prokaryotic storage compounds of carbon and energy, acting as sinks for reducing power during periods of surplus of carbon source relative to other nutrients. With close to 150 different hydroxyalkanoate monomers identified, the structure and properties of these polyesters can be adjusted to serve applications ranging from food packaging to biomedical uses. Despite its versatility and the intensive research in the area over the last three decades, the market share of PHAs is still low. While considerable rich literature has accumulated concerning biochemical, physiological, and genetic aspects of PHAs intracellular accumulation, the costs of substrates and processing costs, including the extraction of the polymer accumulated in intracellular granules, still hampers a more widespread use of this family of polymers. This review presents a comprehensive survey and critical analysis of the process engineering and metabolic engineering strategies reported in literature aimed at the production of chiral (R)-hydroxycarboxylic acids (RHAs), either from the accumulated polymer or by bypassing the accumulation of PHAs using metabolically engineered bacteria, and the strategies developed to recover the accumulated polymer without using conventional downstream separations processes. Each of these topics, that have received less attention compared to PHAs accumulation, could potentially improve the economy of PHAs production and use. (R)-hydroxycarboxylic acids can be used as chiral precursors, thanks to its easily modifiable functional groups, and can be either produced de-novo or be obtained from recycled PHA products. On the other hand, efficient mechanisms of PHAs release from bacterial cells, including controlled cell lysis and PHA excretion, could reduce downstream costs and simplify the polymer recovery process.

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Carbon dioxide and poultry waste utilization for production of polyhydroxyalkanoate biopolymers by Nostoc muscorum Agardh: a sustainable approach

Cited by 64 publications

References 31 publications

Exploring the Valuable Carotenoids for the Large-Scale Production by Marine Microorganisms

Exploring the Valuable Carotenoids for the Large-Scale Production by Marine Microorganisms

Cyanobacterial Polyhydroxyalkanoates: A Sustainable Alternative in Circular Economy

Beyond Intracellular Accumulation of Polyhydroxyalkanoates: Chiral Hydroxyalkanoic Acids and Polymer Secretion

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