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Dr.
Harald Huber University of Regensburg Institute for Microbiology Universitaetsstrasse 31 D - 93053 Regensburg Germany Harald.Huber@Biologie.Uni-Regensburg.de |
Projects:
1.
Investigations on the novel purely archaeal community Ignicoccus
hospitalis and Nanoarchaeum equitans. |
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Fig 1 Electron-microscopic
and fluorescence images of the co-culture of Nanoarchaeum equitans
- Ignicoccus hospitalis Scale bar for all figures:
1.0 µm |
1.1.
Nanoarchaeum equitans:
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1.2.
Ignicoccus hospitalis:
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1.3.
Metabolic pathways in the biocenoesis of Ignicoccus hospitalis
and Nanoarchaeum equitans:
Very little is known about the metabolism of N. equitans. This organism harbours the smallest genome known so far, lacking nearly all genes for known anabolic or catabolic pathways. In cooperation with Prof. R. Summons, Massachusetts Institute of Technology Boston, we performed comparative analyses of the membrane lipids of N. equitans and I. hospitalis. The results suggested that N. equitans obtains its lipids from its host I. hospitalis. In vivo 13C-labelling experiments clearly indicated that this is also true for its amino acids. So far, it is completely unclear, how the transfer of these cell components between the two organisms proceeds. |
2.)
Isolation and characterization of novel hyperthermophilic Archaea from
high temperature ecosystems:
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Figure
a: Ignicoccus islandicus, platinum shadowed Figure b: Ignicoccus islandicus, ultrathin section Figure c: Ignicoccus islandicus, freeze fraction C = cytoplasm; CM = cytoplasmic membrane; P = periplasm; OS = outer membrane; FF = freeze fraction through the outer membrane Scale bar for all figures: 1.0 µm |
3.)
Survival of thermophilic and hyperthermophilic Archaea in space:
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4.)
Crystallographic effects on microbially mediated etching of pyrite surfaces:
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5.)
Collaboration with the Schmack Biogas AG (Schwandorf, Germany): The aim of this research project is to get fundamental insights into the composition and the cooperative activities of the microorganisms which are involved in the process of biogas production. This knowledge should lead to more efficient processes and simultaneously to a reduction of the costs for the production of biogas. |
Coworker:
Oktober 2009
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Financial support:
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1.) Supported by DFG-Project HU703/2-1 |
Teaching:
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Grundkurs Mikrobiologie |