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http://dx.doi.org/10.7841/ksbbj.2013.28.2.146

Response of Shewanella oneidensis MR-1 to Longterm Exposure with Toxic Ionic Liquid: Comparative Studies on MR-1 and SH-1, an Acclimated Strain  

Han, Sang Hyun (Department of Biological Engineering, College of Engineering, Inha University)
Kang, Chang-Ho (Department of Biological Engineering, College of Engineering, Inha University)
Kwak, Dae Yung (Department of Biological Engineering, College of Engineering, Inha University)
Ha, Sung Ho (Department of Chemical Engineering and NanoBioTechnology, Hannam University)
Koo, Yoon-Mo (Department of Biological Engineering, College of Engineering, Inha University)
So, Jae-Seong (Department of Biological Engineering, College of Engineering, Inha University)
Publication Information
KSBB Journal / v.28, no.2, 2013 , pp. 146-150 More about this Journal
Abstract
In this study, we investigated the effects of longterm exposure to ionic liquid (IL) on Shewanella oneidensis MR-1 (MR-1). MR1 was acclimated through repeated exposure to IL. The acclimated strain was named as S. oneidensis SH-1 (SH-1) and compared with MR-1 in various aspects including morphology, cell surface hydrophobicity (CSH), motility, and fatty acid. Compared to the MR-1, SH-1 showed elongated cell shape on scanning electron microscopy. Upon exposure to IL, hydrophobicity of SH-1 (28.2%) was higher that of MR-1 (3.3%). In contrast, motility of SH-1 (7 mm) was lower than that also of MR-1 (22 mm), and branched chain fatty acid of SH-1 was lower than that of MR-1, 27.6% and 41.1%, respectively.
Keywords
Shewanella oneidensis MR-1; Ionic Liquid; Acclimation; Comparative Study;
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