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Chem Biodivers


Title:Microbial Degradation of 2-Methylisoborneol in Forest Soil
Author(s):Drummond L; von Wallbrunn C; Buchhaupt M;
Address:"Microbial Biotechnology, DECHEMA Research Institute, Theodor-Heuss-Allee 25, 60486, Frankfurt am Main, Germany. Department of Microbiology and Biochemistry, Hochschule Geisenheim University, Von-Lade-Strasse 1, 65366, Geisenheim, Germany"
Journal Title:Chem Biodivers
Year:2022
Volume:20211229
Issue:2
Page Number:e202100734 -
DOI: 10.1002/cbdv.202100734
ISSN/ISBN:1612-1880 (Electronic) 1612-1872 (Linking)
Abstract:"Microorganisms use a complex array of chemical compounds to interact with their surroundings. They produce and process different molecules in response to changes in the environment or in their metabolism. One of the most well-known volatile organic compounds produced by microorganisms is the C11-terpenoid 2-methylisoborneol (2-MIB), which has received attention because of the off-flavor it confers to fresh and reservoir water as well as to cultured fish. Cleaning water supplies of the off-flavor 2-MIB has been of interest for the scientific community for years, with the use of techniques that are either expensive, e. g., activated carbon, or create toxic byproducts, e. g., ozonation. In the present study, soil samples from nature were collected from a forest and the volatile organic compounds produced by microbes were extracted and analyzed with focus on non-canonical terpenoid structures. HS-SPME-GC/MS analysis of soil samples revealed 1-methylcamphene (1-MC), 2-methylenebornane (2-MB) and 2-MIB as C11-terpenoids. Due to the high 1-MC/2-MIB ratio compared to previous reports, it was hypothesized that microbial degradation of 2-MIB was in place. Addition of synthetic 2-MIB to biologically active soil revealed complete degradation of the pollutant to 2-MB, 1-MC and 2-methyl-2-bornene (2-M2B). The results suggest the potential of using respective natural microorganisms for biodegradation of 2-MIB, with applications in water treatment, fishery and soil ecology"
Keywords:Animals Camphanes/chemistry Forests *Naphthols *Soil environmental chemistry gas chromatography mass spectrometry terpenoids;
Notes:"MedlineDrummond, Laura von Wallbrunn, Christian Buchhaupt, Markus eng Justus Liebig University Giessen/ Hessen State Ministry of Higher Education/ Switzerland 2021/12/30 Chem Biodivers. 2022 Feb; 19(2):e202100734. doi: 10.1002/cbdv.202100734. Epub 2021 Dec 29"

 
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