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Microbial formation of heavy metal containing secondary minerals
Institution: Institute of Ecology Limnology
Aquatic Geomicrobiology
Dornburger Str. 159
07743 Jena
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Telephone: +49 (0)3641/949463
Fax: +49 (0)3641/949202

  Tsing Bohu

Past uranium mining in the area of Ronneburg, Germany lead to extensive contamination of groundwater. Natural attenuation is occurring in different regions of Ronneburg where acidic to neutral pH Mn-rich soil and sediment layers formed and accumulated heavy metals and uranium. As microbes are known to oxidized Mn(II), causing precipitation of Mn oxides, we hypothesis microbes are involved in the formation of these Mn-rich layers. In my research, I will investigate the microbial communities in the Mn-rich layers and investigate biogenic Mn oxide formation by isolates from Ronneburg. In addition, I would like to determine the role of manganese oxidizing bacteria in acidic environments and to determine their survival mechanisms on a genomic and enzymatic level.

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