Alkane inducible proteins in Geobacillus thermoleovorans B23 |
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Authors: | Tomohisa Kato Asuka Miyanaga Shigenori Kanaya and Masaaki Morikawa |
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Institution: | (1) Department of Material and Life Science, Graduate School of Engineering, Osaka University, Osaka 565-0871, Japan;(2) Division of Biosphere Science, Graduate School of Environmental Science, Hokkaido University, Sapporo 060-0810, Japan |
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Abstract: | Background Initial step of β-oxidation is catalyzed by acyl-CoA dehydrogenase in prokaryotes and mitochondria, while acyl-CoA oxidase
primarily functions in the peroxisomes of eukaryotes. Oxidase reaction accompanies emission of toxic by-product reactive oxygen
molecules including superoxide anion, and superoxide dismutase and catalase activities are essential to detoxify them in the
peroxisomes. Although there is an argument about whether primitive life was born and evolved under high temperature conditions,
thermophilic archaea apparently share living systems with both bacteria and eukaryotes. We hypothesized that alkane degradation
pathways in thermophilic microorganisms could be premature and useful to understand their evolution. |
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Keywords: | |
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