Characterization of Aspergillus species based on fatty acid profiles

Characterization of Aspergillus species based on fatty acid profiles

Cellular fatty acid (FA) composition was utilized as a taxonomic tool to discriminate between different Aspergillus species. Several of the tested species had the same FA composition and different relative FA concentrations. The most important FAs were palmitic acid (C16:0), estearic acid (C18:0), o...

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Bibliographic Details
Published in:Memórias do Instituto Oswaldo Cruz Vol. 103; no. 6; pp. 540 - 544
Main Authors: Fraga, Marcelo E, Santana, Djalva Maria N, Gatti, Mario Jorge, Direito, Gloria Maria, Cavaglieri, Lilia R, Rosa, Carlos Alberto R
Format: Journal Article
Language:English
Published: Brazil Fundação Oswaldo Cruz, Fiocruz 01-09-2008
Instituto Oswaldo Cruz, Ministério da Saúde
Fundação Oswaldo Cruz (FIOCRUZ)
Subjects:
Aspergillus
Aspergillus - chemistry
Aspergillus - classification
Aspergillus spp
Aspergillus spp. - fungi - taxonomy - fatty acid - multivariate analysis
Chromatography, Gas
fatty acid
Fatty Acids - analysis
fungi
Multivariate Analysis
Mycological Typing Techniques - methods
PARASITOLOGY
Principal Component Analysis
taxonomy
TROPICAL MEDICINE
fatty acid
taxonomy
Aspergillus spp
fungi
multivariate analysis
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Summary:Cellular fatty acid (FA) composition was utilized as a taxonomic tool to discriminate between different Aspergillus species. Several of the tested species had the same FA composition and different relative FA concentrations. The most important FAs were palmitic acid (C16:0), estearic acid (C18:0), oleic acid (C18:1) and linoleic acid (C18:2), which represented 95% of Aspergillus FAs. Multivariate data analysis demonstrated that FA analysis is a useful tool for differentiating species belonging to genus Aspergillus. All the species analyzed showed significantly FA acid profiles (p < 0.001). Furthermore, it will be possible to distinguish among Aspergillus spp. in the Flavi Section. FA composition can serve as a useful tool for the identification of filamentous fungi.
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ISSN:1678-8060
0074-0276
1678-8060
0074-0276
DOI:10.1590/S0074-02762008000600005