Reference: Deng Y, et al. (2010) Cell surface properties of five polycyclic aromatic compound-degrading yeast strains. Appl Microbiol Biotechnol 86(6):1933-9

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Abstract


To investigate the effects of physiological properties on polycyclic aromatic compound (PAH) degradation, the surface tension and emulsification activities, and cell surface hydrophobicity of five PAH-degrading yeast isolates were compared to Saccharomyces cerevisiae from cultures grown with glucose, hexadecane, or naphthalene as carbon sources. The cell surface hydrophobicity values for the five yeast strains were significantly higher than for S. cerevisiae for all culture conditions, although these were highest with hexadecane and naphthalene. Strains with higher hydrophobicity showed higher rates of naphthalene and phenanthrene degradation, indicating that increased cell hydrophobicity might be an important strategy in PAH degradation for the five strains. Emulsification activities increased for all five yeast strains with naphthalene culturing, although no relationship existed between emulsification activity and PAH degradation rate. Surface tensions were not markedly reduced with naphthalene culturing.

Reference Type
Comparative Study | Journal Article | Research Support, Non-U.S. Gov't
Authors
Deng Y, Zhang Y, Hesham Ael-L, Liu R, Yang M
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