Daisuke Miyake

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The moderately thermophilic Betaproteobacterium, Hydrogenophilus thermoluteolus, not only oxidizes hydrogen, the principal electron donor for growth, but also sulfur compounds including thiosulfate, a process enabled by sox genes. A periplasmic extract of H. thermoluteolus showed significant thiosulfate oxidation activity. Ten genes apparently involved in(More)
Controversy persists as to whether the acquisition of beneficial metabolic functions via endosymbiosis can occur suddenly on an evolutionary time scale. In this study, an early stage of endosymbiotic associations, which evolved from previously unassociated auto (photo)- and heterotrophic unicellular organisms was analyzed using an experimental ecosystem(More)
A quantitative analytical method for 8 volatile substances (such as styrene) in styrene polymers that are not soluble in tetrahydrofuran (THF) and dimethylformamide was developed. The sample was chopped finely and a 0.1 g portion was weighed in a head-space vial. To this was added 2 mL of o-dichlorobenzene (DCB) including 50 μg/mL of internal standard. The(More)
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