Journal of Marine Biology & Oceanography ISSN: 2324-8661

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Research Article, J Mar Biol Oceanogr Vol: 5 Issue: 3

Isolation and Identification of an Exopolysaccharides-Producing Shewanella frigidimarina Strain W32-2 from Antarctic Sediments

Peili Gao1,2, Xiaohui Sun2, Shixin Huang2 and Changan Xu2*
1College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
2Third Institute Of Oceanography, State Oceanic Administration, Xiamen, China
Corresponding author : Changan Xu
Third Institute of Oceanography, State Oceanic Administration, 178 Daxue Road, Xiamen, P.R.China-361005
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E-mail: [email protected]
Received: June 30, 2016 Accepted: August 17, 2016 Published: August 20,2016
Citation: Gao P, Sun X, Huang S, Xu C (2016) Isolation and Identification of an Exopolysaccharides-Producing Shewanella frigidimarina Strain W32-2 from Antarctic Sediments. J Mar Biol Oceanogr 5:3. doi: 10.4172/2324-8661.1000158

Abstract

Isolation and Identification of an Exopolysaccharides-Producing Shewanella frigidimarina Strain W32-2 from Antarctic Sediments

Exopolysaccharides (EPSs) produced by a number of bacteria genera are very attractive to food industries because of their stabilizing and interesting properties. Shewanella strain W32-2, EPSs-producing bacteria, was isolated from Antarctic sediments by method of phenol-sulfuric acid and alcohol precipitation. The optimal growing condition and biological properties of the produced EPS were investigated. The EPS yield of the strain reached at 109.56 mg·L-1. Phylogenetic analysis showed that the strain W32-2 was identified to be a species of Shewanella frigidimarina.

Keywords: Antarctic bacteria; Shewanella frigidimarina; Extracellular polysaccharide (EPS)

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