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Title 

Isolation and characterization of a novel exopolysaccharide-producing Paenibacillus sp. WN9 KCTC 8951P

Authors 

Weon Taek SeoGoon Gjung KahngSang Hae NamSang Do ChoiHyun Hyo SuhSeon Won KimYong Ha Park

Publisher 

The Korean Society for Applied Microbiology

Issue Date 

1999

Citation 

Journal of Microbiology and Biotechnology, vol. 9, no. 6, pp. 820-825

Keywords 

novel polysaccharidepaenibacillus sp.polysaccharidebacterium isolationdata analysismolecular weightpaenibacillus

Abstract 

A bacterial strain WN9, which produced a new type of extracellular polysaccharide, was isolated from soil samples. By morphological, physiological, biochemical, and phylogenetic studies, strain WN9 was identified as a Paenibacillus sp. and it was named as Paenibacillus sp. WN9, which produced a high molecular extracellular polysaccharide from glucose. The molecular weight of the exopolysaccharide (EPS-WN9) was estimated to be about 31.5 mega-Da. The FT-IR spectrum of EPS-WN9 revealed typical characteristics of polysaccharides. EPS-WN9 consisted of D-glucose and D- mannose with a molar ratio of 1:1.4 being identified as a neutral sugar component. The acidic component of EPS-WN9 was tyrosine. Rheological analysis of EPS-WN9 revealed that the pseudoplastic property and its apparent viscosity remained stable at various temperatures and pHs.

ISSN 

1017-7825

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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