Growth of Acidithiobacillus thiooxidans Biofilm on Glass, Concrete and Stoneware

Abstract:

Biofilms formed by various microorganisms are often responsible for microbiologically induced corrosion of materials exposed to moisture. Many bacteria strains may form biofilms on different mineral materials including concrete and stoneware. Among them, the sulfur-oxidizing bacteria of Acidithiobacillus genus, especially of A. thiooxidans species play an essential role in these materials' destruction. In the present study we observed comparable intensity of A. thiooxidans growth on concrete and glass, and slower biofilm formation on stoneware. Prolongation of incubation time caused an increase in biomass of A. thiooxidans biofilm formed on glass and stoneware. Amongst the investigated mineral materials, the concrete proved to be the most susceptible to deterioration by A. thiooxidans bacteria.

• Periodical: Solid State Phenomena (Volume 227)
• Pages: 286-289
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.227.286
• Online since: January 2015
• Authors: Weronika Dec*, Beata Cwalina, Joanna Michalska, Daria Merkuda
• Keywords: Acidithiobacillus thiooxidans, Biofilm, Concrete, Glass, Stoneware

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