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The interface between materials and the environment is populated by microorganisms which organize on surfaces to form specially adapted and resistant microbial associations, so-called biofilms. Surface-bound biofilm growth is associated with substantial secretion of metabolic products that can significantly influence material corrosion. Here, a group of material-inhabiting fungi are presented, which colonize and weather air-exposed materials such as building façades, roofs and solar systems. A selected model fungus is used to carry out genetic and molecular biology experiments, which are microbiologically cutting-edge and allow for the development of novel time-saving techniques for material testing. The degree of material damage under the influence of this model fungus shows a measure of the aggressiveness of the biofilm under defined environmental conditions - and thus explores fundamental components of the interaction between material and biofilm.
The interface between materials and the environment is populated by microorganisms which organize on surfaces to form specially adapted and resistant microbial associations, so-called biofilms. Surface-bound biofilm growth is associated with substantial secretion of metabolic products that can significantly influence material corrosion. Here, a group of material-inhabiting fungi are presented, which colonize and weather air-exposed materials such as building façades, roofs and solar systems. A selected model fungus is used to carry out genetic and molecular biology experiments, which are microbiologically cutting-edge and allow for the development of novel time-saving techniques for material testing. The degree of material damage under the influence of this model fungus shows a measure of the aggressiveness of the biofilm under defined environmental conditions - and thus explores fundamental components of the interaction between material and biofilm.