Antifungal activity of Bacillus subtilis 355 against wood-surface contaminant fungi

A strain of Bacillus subtilis was examined for antifungal activity against phytopathogenic and wood-surface contaminant fungi. The bacterium was grown in five culture media with different incubation times in order to study cell development, sporulation, and the production of metabolites with antifun...

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Bibliographic Details
Published in:Journal of industrial microbiology & biotechnology 2004-06, Vol.31 (5), p.199-203
Main Authors: SAVLUCHINSKE FEIO, Sonia, BARBOSA, Ana, CABRITA, Manuela, NUNES, Lina, ESTEVES, Alexandra, ROSEIRO, José Carlos, CURTO, Maria Joao
Format: Article
Language:English
Subjects:
Amines
Antibiosis
Antifungal Agents - pharmacology
Bacillus subtilis
Bacillus subtilis - chemistry
Bacillus subtilis - growth & development
Bacillus subtilis - metabolism
Bacteria
Biological and medical sciences
Biological Assay
Biotechnology
Cladosporium cucumerinum
Contaminants
Culture media
Culture Media, Conditioned - pharmacology
Fundamental and applied biological sciences. Psychology
Fungi
Fungi - drug effects
Metabolites
Microbiology
Solvents
Wood
Yeasts
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Summary:A strain of Bacillus subtilis was examined for antifungal activity against phytopathogenic and wood-surface contaminant fungi. The bacterium was grown in five culture media with different incubation times in order to study cell development, sporulation, and the production of metabolites with antifungal activity. The anti-sapstain and anti-mould activity of the bacterium grown in yeast extract glucose broth (YGB) medium in wood was also evaluated. In YGB, the bacterium inhibited the growth of several fungi and displayed a broader spectrum of activity than in the other media tested. A relationship between bacterial spore production and the formation of metabolites with antifungal activity was detected. YGB medium displayed effective control in wood block tests. YGB medium was extracted with solvents of increasing polarity and the dry residues were applied to silicagel plates, resolved with the appropriate solvent and sprayed with different solutions, detecting the presence, of amines, and higher alcohols. The bioautographic method revealed the presence of at least two active compounds against the blue-stain fungus Cladosporium cucumerinum.
ISSN:1367-5435
1476-5535
DOI:10.1007/s10295-004-0133-x