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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/27172
Title: Characterization of an organic-solvent-tolerant brevibacillus agri strain 13 able to stabilize solvent/water emulsion
Authors: Ajiraporn Kongpol
Thunyarat Pongtharangkul
Junichi Kato
Kohsuke Honda
Hisao Ohtake
Alisa S. Vangnai
Chulalongkorn University
Mahidol University
Hiroshima University
Osaka University
Keywords: Biochemistry, Genetics and Molecular Biology;Immunology and Microbiology
Issue Date: 1-Aug-2009
Citation: FEMS Microbiology Letters. Vol.297, No.2 (2009), 225-233
Abstract: Brevibacillus agri strain 13 was isolated and characterized as a Gram-positive organic-solvent-tolerant bacterium able to grow at 45 °C. It can tolerate high concentrations (5% and 20%, v/v) of various organic solvents with a broad range of log Powwhen the organic solvent was provided as a nonaqueous layer. Although it can tolerate a number of aromatic solvents, it cannot utilize them as a sole carbon source. The surface characteristics of cells exposed to organic solvent were investigated using the bacterial adhesion to hydrocarbon test, a contact angle measurement, ζ potential determination, and fluorescence microscopy analysis and compared with that of nonexposed cells. The results showed that although it has a hydrophilic cell surface, it has a unique indigenous cell surface characteristic in which the cells can stabilize solvent-in-water emulsion by adhering to the solvent-water interface of the solvent droplets. The tolerance and predilection of B. agri strain 13 toward organic solvents may suggest its potential application as a whole-cell biocatalyst for the biotransformation process of water-immiscible substrate(s). © 2009 Federation of European Microbiological Societies.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=68249156599&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/27172
ISSN: 15746968
03781097
Appears in Collections:Scopus 2006-2010

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