Isolation of an exopolysaccharide-producing heavy metal-resistant Halomonas sp. MG.

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Abstract

An exopolysaccharide (EPS)-producing heavy metal-resistant Gram-negative bacterium was isolated from ore-contaminated soil. The selected strain was identified by 16S rDNA sequencing and designated as Halomonas sp. MG. Phylogenetic analysis of the gene sequence showed its close similarity with Halomonas sp. Field emission scanning electron microscopy analysis revealed that the EPS had a porous structure with small pores. X-ray diffractograms showed the non-crystalline nature of the EPS. Further, FTIR spectroscopic analysis revealed the presence of carboxyl, hydroxyl and amide groups corresponding to a typical EPS.

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Journal

Journal ID (iso-abbrev): Arch Microbiol

Title: Archives of microbiology

Publisher: Springer Science and Business Media LLC

ISSN (Electronic): 1432-072X

ISSN (Print): 0302-8933

Publication date (Electronic): Mar 2016

Volume: 198

Issue: 2

Affiliations

[1 ] Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan, Jeonbuk, 570-752, South Korea.

[2 ] School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE, 68583-0817, USA.

[3 ] Jeonbuk Regional Division, K-water, Jeonju, Jeollabuk-do, 561-330, South Korea.

[4 ] Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan, Jeonbuk, 570-752, South Korea. btoh@jbnu.ac.kr.

Article

Publisher Item ID: 10.1007/s00203-015-1173-5

DOI: 10.1007/s00203-015-1173-5

PubMed ID: 26581416

SO-VID: 4e718b34-349c-41fc-aca2-315f68524b6a

History

Keywords: Exopolysaccharide,Heavy metal,Ore,Polymer

Data availability:

Keywords: Exopolysaccharide, Heavy metal, Ore, Polymer

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