Abstract
A comparative study on the basic structural characteristics of exopolysaccharide (EPS) and capsular polysaccharide (CPS) produced by the Southern Ocean (Indian Sector) origin Pseudoalteromonas sp. MB-16 has been conducted. It has a higher production rate of EPS as compared to that of CPS and the maximum production rate is 0.7 g/l when glucose is the carbon source. Elemental analysis and infrared spectroscopic study have given a brief compositional insight on the EPS and CPS produced by the marine bacterium, whereas scanning electron micrographs have revealed the morphological structure of Pseudoalteromonas sp. derived EPS and CPS. Both the polysaccharides show significant thermal stability as confirmed by thermogravimetric analysis. In all the experiments, Pseudoalteromonas sp. derived EPS and CPS have given similar results when compared to standard bacterial polysaccharides dextran and guar gum. This present study gave an important preliminary idea about the nature of bacterial polysaccharides produced by the Southern Ocean (Indian Sector) origin microbe.
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Schedule a callMore From: Proceedings of the National Academy of Sciences, India Section B: Biological Sciences
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