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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Qualitative identification of volatile metabolites from two fungi and three bacteria species cultivated on two media.

Two fungal species, Aspergillus fumigatus and Penicillium brevicompactum and three bacteria, Klebsiella pneumoniae, Enterobacter agglomerans and Streptomyces albus were cultivated on two media, malt extract agar and dichloran glycerol agar. The volatile metabolite samples from the cultures were adsorbed on Tenax TA and analyzed qualitatively by thermal desorption gas chromatography and with a mass selective detector. Various hydrocarbons, alcohols, ketones, esters and terpenes were identified. The production was highly dependent on both the medium and the microbial species. 2-Methyl-1-propanol, 2-methyl-1-butanol and 3-methyl-1-butanol were the most commonly produced substances. The bacterial species did not produce any hydrocarbons that were characteristic to the fungi (e.g. methyl-1,3-pentadiene, 1-octene and 1,3-octadiene or 8-carbon alcohols 1-octen-3-ol and 3-octanol). Instead, K. pneumoniae and E. agglomerans produced 3-hydroxy-2-butanone and 1-hydroxy-2-propanone, which were not produced by the fungi. Geosmin and a large number of sesquiterpenes were produced by S. albus.[1]

References

  1. Qualitative identification of volatile metabolites from two fungi and three bacteria species cultivated on two media. Kiviranta, H., Tuomainen, A., Reiman, M., Laitinen, S., Liesivuori, J., Nevalainen, A. Cent. Eur. J. Public Health (1998) [Pubmed]
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