Characterization, genetic regulation and production of cyanobacterial exopolysaccharides and its applicability for heavy metal removal

Bhunia, Biswanath; Uday, Uma Shankar Prasad; Oinam, Gunapati; Mondal, Abhijit; Bandyopadhyay, Tarun Kanti; Tiwari, Onkar Nath

doi:10.1016/j.carbpol.2017.09.091

Cited by 105 publications

(30 citation statements)

References 118 publications

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“…The cloning of recombinant DNA facilitates the use of bacteria to produce important proteins such as human insulin which is of great importance and now marketed throughout the world. It was revealed that biosynthetic pathways for the production of different cellular macromolecules are complex processes which include many genes (Bhunia et al, 2018). Many industrial compounds can be produced by several molecular techniques such as rational and non-rational mutagenesis, including site-specific mutagenesis, random mutagenesis, and site-saturation mutagenesis.…”

Section: Genetic Engineering Of Spirulinamentioning

confidence: 99%

Pharmaceutical applications and consequent environmental impacts of <em>Spirulina (Arthrospira)</em>: An overview

et al. 2019

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Recently, microalgae cultivation for different applications, including the production of nutritional and pharmaceutical active compounds has received increasing attention. Among the different genera, Spirulina (Arthrospira sp.) is one of the most promising blue-green microalgae (Cyanophyta) because it is rich in antioxidants, essential amino acids (EAAs), minerals, proteins, polyunsaturated fatty acids and vitamins. It has a high protein content (60-70% of the dry weight), which is a complete protein, i.e. containing all EAAs. Therefore, Spirulina is currently a commercial product with high nutritional value and also a significant source of complementary and alternative medicine. The objective of the present work was to review the pharmaceutical and therapeutic applications of Spirulina, especially its antioxidant, anti-inflammatory, anti-cancer, anti-microbial, anti-diabetic, anti-obesity and anti-toxicity properties. The results were obtained from experiments in the literature performed in vitro and in vivo using experimental animals. The main reported active ingredients in Spirulina include phycocyanin, tocopherol, β-carotene, caffeic acids and chlorogenic acid, which showed individual or synergetic effects. In addition, the present review discusses the future perspectives of genetically modified Spirulina as a source for industrial products while producing valuable biomass photoautotrophically. Furthermore, the consequent environmental impacts of large-scale cultivation of Spirulina are discussed.

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Section: Genetic Engineering Of Spirulinamentioning

confidence: 99%

Pharmaceutical applications and consequent environmental impacts of <em>Spirulina (Arthrospira)</em>: An overview

et al. 2019

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“…Bioremediation and biofuel production capacity of microorganism is positively correlated with their biomass quantity. Cyanobacteria also have high heavy-metal sequestration capacity [77] and is considered as a metabolic power house for biofuel production [78]. The cultivation of cyanobacteria on tailings will be a sustainable solution for bioremediation and biofuel production.…”

Section: Biofuel Producing Plantsmentioning

confidence: 99%

Innovative and sustainable approach for phytoremediation of mine tailings: a review

Punia

2019

Waste Dispos. Sustain. Energy

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A review is designed to innovate a sustainable solution for the treatment of mine tailings using bioremediation and phytoremediation. It emphasizes on achieving the geochemical stability of tailings through the establishment of microbes or plants. It highlights the gaps in achieving the geochemical stability of tailings. Lack of nutrients and low pH discourage the survival of microorganisms and the growth of plants on tailings. Treatment of tailings with agricultural waste (wheat and mustard stalks) would nourish tailings which promote the growth of microorganism and plants. Application of agricultural waste in remediation process is cost-effective. The role of microorganisms such as cyanobacteria, fungi, and algae are well known for mineralogical transformation. Microorganism converts unavailable fraction of nutrient into available form and important initiative to drive tailings towards natural soil. It would support the growth of plants on tailings to achieve successful phytoremediation. Biofuel generation from tailings through high lipid and protein producing plants is important for sustainable development. Phytoremediation will reduce the environmental impact caused by mine tailings. For phytoremediation, use of biofuel producing plants, i.e., Jatropha curcus and Brassica juncea, is recommended.

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“…The emission of harmful toxins from automobile exhaust and factory outlets has become a major source of environmental pollution. Therefore, an authentic means for the effectual recognition of harmful chemicals by using chemical and biological sensors is in urgent need of the present [ 4 , 5 ]. Of all available types of semiconductor sensors for different types of chemicals and biological toxins, zinc oxide (ZnO)-based sensors have gained extensive attention around the world.…”

Section: Introductionmentioning

confidence: 99%

Chemical Sensing Applications of ZnO Nanomaterials

et al. 2018

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Recent advancement in nanoscience and nanotechnology has witnessed numerous triumphs of zinc oxide (ZnO) nanomaterials due to their various exotic and multifunctional properties and wide applications. As a remarkable and functional material, ZnO has attracted extensive scientific and technological attention, as it combines different properties such as high specific surface area, biocompatibility, electrochemical activities, chemical and photochemical stability, high-electron communicating features, non-toxicity, ease of syntheses, and so on. Because of its various interesting properties, ZnO nanomaterials have been used for various applications ranging from electronics to optoelectronics, sensing to biomedical and environmental applications. Further, due to the high electrochemical activities and electron communication features, ZnO nanomaterials are considered as excellent candidates for electrochemical sensors. The present review meticulously introduces the current advancements of ZnO nanomaterial-based chemical sensors. Various operational factors such as the effect of size, morphologies, compositions and their respective working mechanisms along with the selectivity, sensitivity, detection limit, stability, etc., are discussed in this article.

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Characterization, genetic regulation and production of cyanobacterial exopolysaccharides and its applicability for heavy metal removal

Cited by 105 publications

References 118 publications

Pharmaceutical applications and consequent environmental impacts of <em>Spirulina (Arthrospira)</em>: An overview

Pharmaceutical applications and consequent environmental impacts of <em>Spirulina (Arthrospira)</em>: An overview

Innovative and sustainable approach for phytoremediation of mine tailings: a review

Chemical Sensing Applications of ZnO Nanomaterials

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