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Comparative fatty acid profiling of Mucor rouxii under different stress conditions
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Document Title
Comparative fatty acid profiling of Mucor rouxii under different stress conditions
Author
Jeennor S, Laoteng K, Tanticharoen M, Cheevadhanarak S
Name from Authors Collection
Affiliations
King Mongkuts University of Technology North Bangkok; King Mongkuts University of Technology Thonburi; National Science & Technology Development Agency - Thailand; National Center Genetic Engineering & Biotechnology (BIOTEC); National Science & Technology Development Agency - Thailand; National Center Genetic Engineering & Biotechnology (BIOTEC); King Mongkuts University of Technology North Bangkok; King Mongkuts University of Technology Thonburi
Type
Article
Source Title
FEMS MICROBIOLOGY LETTERS
ISSN
0378-1097
Year
2006
Volume
259
Issue
1
Page
60-66
Open Access
Bronze
Publisher
OXFORD UNIV PRESS
DOI
10.1111/j.1574-6968.2006.00242.x
Format
Abstract
To understand the relationship between fatty acid metabolism and the growth morphology of Mucor rouxii, fatty acid profiling was studied comparatively in cells grown under conditions which included different atmospheric conditions or the addition of phenethyl alcohol (PEA). The significant difference in fatty acid profiles from M. rouxii grown under aerobic or anaerobic conditions was not found to be directly related to morphological growth. Oxygen limitation, which induced the formation of pure multipolar budding yeasts, led to a decrease in long-chain fatty acids - particularly unsaturated fatty acids - and an increase in medium-chain saturated fatty acids, a finding which contrasted with the aerobic cultures, including mycelia and PEA-induced bipolar budding cells. High levels of C18 : 1 Delta(9) were found in aerobic yeast cultures with additional PEA when compared to that in the aerobically grown mycelia. The identification of unusual fatty acids in Mucor in response to alcoholic and hypoxic stresses - including odd-numbered fatty acids and 7-hydroxy dodecanoic acid (7-OH C12 : 0) in addition to the more common fatty acids - implied that an important role existed for these unusual fatty acids.
Industrial Classification
Knowledge Taxonomy Level 1
Knowledge Taxonomy Level 2
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Publication Source
WOS