Bacterial exopolysaccharides from extreme marine habitat of Southern Ocean: Production and partial characterization
ABSTRACT Deep marine microorganisms survive under extreme ecological settings and harsh environmental conditions of low temperature, high salinity, and high atmospheric pressure making it significant of scientific interest. Southern Ocean (SO) is one such example of deep marine ecosystem and the microorganisms inhabiting in such hostile environment may produce different bioactive secondary metabolites. SO (Indian Sector) is relatively less documented in terms of microbial composition and community dynamics. The present study involves isolation of exopolysaccharides (EPSs) from three potent SO (Indian Sector) bacteria, optimization of the EPS production and partial characterization of them. Three different EPSs show varying structural conformation, that is from porous to strong flakes mimicking polymeric structure with C/N ratio ranging between 4 - 11. FTIR spectra have exhibited the presence of different active groups of carbohydrate moieties, water molecules and protein-associated amides. EPSs produced by marine microorganisms show high biotechnological promises such as drug carrier in pharmaceutical field, emulsifier and cryo protectant in food-processing industry, detoxification of petrochemical oils and much more. The three bacterial isolates in this study showed potential of producing EPS biopolymer that can be further explored in terms of its proper biotechnological applications.
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Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción
2019
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oai:scielo:S0717-653820190002001262020-04-17Bacterial exopolysaccharides from extreme marine habitat of Southern Ocean: Production and partial characterizationBanerjee,AparnaGupta,PratibhaNigam,VinodBandopadhyay,Rajib Southern Ocean marine bacteria exopolysaccharides characterization ABSTRACT Deep marine microorganisms survive under extreme ecological settings and harsh environmental conditions of low temperature, high salinity, and high atmospheric pressure making it significant of scientific interest. Southern Ocean (SO) is one such example of deep marine ecosystem and the microorganisms inhabiting in such hostile environment may produce different bioactive secondary metabolites. SO (Indian Sector) is relatively less documented in terms of microbial composition and community dynamics. The present study involves isolation of exopolysaccharides (EPSs) from three potent SO (Indian Sector) bacteria, optimization of the EPS production and partial characterization of them. Three different EPSs show varying structural conformation, that is from porous to strong flakes mimicking polymeric structure with C/N ratio ranging between 4 - 11. FTIR spectra have exhibited the presence of different active groups of carbohydrate moieties, water molecules and protein-associated amides. EPSs produced by marine microorganisms show high biotechnological promises such as drug carrier in pharmaceutical field, emulsifier and cryo protectant in food-processing industry, detoxification of petrochemical oils and much more. The three bacterial isolates in this study showed potential of producing EPS biopolymer that can be further explored in terms of its proper biotechnological applications.info:eu-repo/semantics/openAccessFacultad de Ciencias Naturales y Oceanográficas, Universidad de ConcepciónGayana (Concepción) v.83 n.2 20192019-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382019000200126en10.4067/S0717-65382019000200126 |
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Banerjee,Aparna Gupta,Pratibha Nigam,Vinod Bandopadhyay,Rajib |
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Banerjee,Aparna Gupta,Pratibha Nigam,Vinod Bandopadhyay,Rajib Bacterial exopolysaccharides from extreme marine habitat of Southern Ocean: Production and partial characterization |
author_facet |
Banerjee,Aparna Gupta,Pratibha Nigam,Vinod Bandopadhyay,Rajib |
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Banerjee,Aparna |
title |
Bacterial exopolysaccharides from extreme marine habitat of Southern Ocean: Production and partial characterization |
title_short |
Bacterial exopolysaccharides from extreme marine habitat of Southern Ocean: Production and partial characterization |
title_full |
Bacterial exopolysaccharides from extreme marine habitat of Southern Ocean: Production and partial characterization |
title_fullStr |
Bacterial exopolysaccharides from extreme marine habitat of Southern Ocean: Production and partial characterization |
title_full_unstemmed |
Bacterial exopolysaccharides from extreme marine habitat of Southern Ocean: Production and partial characterization |
title_sort |
bacterial exopolysaccharides from extreme marine habitat of southern ocean: production and partial characterization |
description |
ABSTRACT Deep marine microorganisms survive under extreme ecological settings and harsh environmental conditions of low temperature, high salinity, and high atmospheric pressure making it significant of scientific interest. Southern Ocean (SO) is one such example of deep marine ecosystem and the microorganisms inhabiting in such hostile environment may produce different bioactive secondary metabolites. SO (Indian Sector) is relatively less documented in terms of microbial composition and community dynamics. The present study involves isolation of exopolysaccharides (EPSs) from three potent SO (Indian Sector) bacteria, optimization of the EPS production and partial characterization of them. Three different EPSs show varying structural conformation, that is from porous to strong flakes mimicking polymeric structure with C/N ratio ranging between 4 - 11. FTIR spectra have exhibited the presence of different active groups of carbohydrate moieties, water molecules and protein-associated amides. EPSs produced by marine microorganisms show high biotechnological promises such as drug carrier in pharmaceutical field, emulsifier and cryo protectant in food-processing industry, detoxification of petrochemical oils and much more. The three bacterial isolates in this study showed potential of producing EPS biopolymer that can be further explored in terms of its proper biotechnological applications. |
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Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción |
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2019 |
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http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382019000200126 |
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