Geoökologie - Bachelor of Science

Vortragsreihe Ökologie und Umweltforschung WS 2016/17

Donnerstag 12:00-13:30 H6, Geo

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Prof. Dr. Matthias Noll
Fakultät Angewandte Naturwissenschaften, Hochschule für angewandte Wissenschaften Coburg (Homepage)
Donnerstag, 19.01.2017 12:00-13:30 H6, GEO:

Applied microbial ecology is an exciting topic in wood degradation, gas production and food safety

The presentation will start with an overview of Coburgs broad spectrum of applied microbial ecology in food safety and gas production and will thereafter mainly focus on chemical protection against microbial wood degradation processes.
The wood protection industry has refined their products from chrome-, copper-, and arsenate-based wood preservatives toward solely copper-based preservatives in combination with organic biocides. Environmental use of copper-based preservatives leads to an enrichment of copper tolerant microbial communities in respective soil environments. Such soil communities are overall able to decompose copper-based preserved wood over a long time period and thus leading to major damages in wooden stakes. As result we could show that Cu-HDO, containing the chelation product of copper and N-cyclohexyldiazenium dioxide (HDO) has been consumed by bacterial members of the phylum Acidobacteria and the genera Phenylobacterium and Comamonas.
To reduce microbial degradation of wood preservative compounds encapsulated wood preservatives were tested in a lab as well as in a field approach. Fungal and bacterial composition were both significantly site and soil parameter specific but were less affected by wood preservation and time.

This presentation will offer an overview of the recent work in Coburg and will highlight research in microbial wood degradation and wood preservation. Finally, encapsulation of wood preservatives as well as stable isotope probing techniques combined with molecular biological methods and materials sciences will be explained.

Invited by the BayCEER Steering Committee

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