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Moeller, Ralf and Horneck, Gerda and Facius, Rainer and Stackebrandt, Erko (2005) Role of pigmentation in protecting Bacillus sp. endospores against environmental UV radiation. FEMS Microbiology Ecology, 51, pp. 231-236. Elsevier.
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Abstract
Bacillus endospores show different kinds of pigmentation. Red-pigmented spores of Bacillus atrophaeus DSM 675, dark-gray spores of B. atrophaeus<sup>T</sup> DSM 7264 and light-gray spores of B. subtilis DSM 5611 were used to study the protective role of the pigments in their resistance to defined ranges of environmental UV radiation. Spores of B. atrophaeus DSM 675 possessing a dark-red pigment were 10 times more resistant to UV-A radiation than those of the other two investigated strains, whereas the responses to the more energetic UV-B and UV-C radiation were identical in all three strains. The methanol fraction of the extracted pigment from the spores absorbs in the associated wavelength area. These results indicate that the carotene-like pigment of spores of B. atrophaeus DSM 675 affects the resistance of spores to environmental UV-A radiation.
| Item URL in elib: | https://elib.dlr.de/47503/ | ||||||||||||||||||||
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| Document Type: | Article | ||||||||||||||||||||
| Title: | Role of pigmentation in protecting Bacillus sp. endospores against environmental UV radiation | ||||||||||||||||||||
| Authors: |
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| Date: | 2005 | ||||||||||||||||||||
| Journal or Publication Title: | FEMS Microbiology Ecology | ||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||||||||||
| Volume: | 51 | ||||||||||||||||||||
| Page Range: | pp. 231-236 | ||||||||||||||||||||
| Publisher: | Elsevier | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | Bacillus endospores, Resistance, UV-radiation, Pigments, Photoprotection | ||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||||||||||||||
| HGF - Program: | Space (old) | ||||||||||||||||||||
| HGF - Program Themes: | W FR - Forschung unter Weltraumbedingungen (old) | ||||||||||||||||||||
| DLR - Research area: | Space | ||||||||||||||||||||
| DLR - Program: | W FR - Forschung unter Weltraumbedingungen | ||||||||||||||||||||
| DLR - Research theme (Project): | W - Vorhaben Strahlenbiologie (old) | ||||||||||||||||||||
| Location: | Köln-Porz | ||||||||||||||||||||
| Institutes and Institutions: | Institute of Aerospace Medicine > Radiation Biology | ||||||||||||||||||||
| Deposited By: | Kopp, Kerstin | ||||||||||||||||||||
| Deposited On: | 05 Mar 2007 | ||||||||||||||||||||
| Last Modified: | 27 Apr 2009 13:34 |
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