The Effect of Nutrient Medium on Chemical Composition of Corrosive-Active Exometabolites of the Bacterium  Bacillus subtilis  Affecting a Zinc Surface

S. Yu. Radostin; A. A. Kalinina; T. N. Sokolova; V. R. Kartashov; E. N. Razov; V. F. Smirnov

doi:10.1134/S2070205118070171

The Effect of Nutrient Medium on Chemical Composition of Corrosive-Active Exometabolites of the Bacterium Bacillus subtilis Affecting a Zinc Surface

Authors: Radostin S.Y.¹, Kalinina A.A.¹, Sokolova T.N.¹, Kartashov V.R.¹, Razov E.N.², Smirnov V.F.³
Affiliations:
1. Nizhni Novgorod State Technical University Named after R.E. Alekseev
2. Mechanical Engineering Research Institute, Russian Academy of Sciences
3. Chemical-Biological Division, Research Institute for Chemistry, Lobachevsky State University of Nizhny Novgorod
Issue: Vol 54, No 7 (2018)
Pages: 1333-1337
Section: Microbial Corrosion
URL: https://journals.rcsi.science/2070-2051/article/view/204741
DOI: https://doi.org/10.1134/S2070205118070171
ID: 204741

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Abstract

We have hypothesized that products of oxygen biotransformation by a microbial electron transport chain, for example, superoxide anion and the product of its disproportionation, hydrogen peroxide, play a key role in aerobic biocorrosion. The goal of the present work was to evaluate the role of superoxide anion and its derivatives in initiation of bacterial corrosion and its dependence on the composition of nutrient medium.