Dihydroxyacetone metabolism in Haloferax volcanii

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Dihydroxyacetone metabolism in Haloferax volcanii

Dihydroxyacetone (DHA) is a ketose sugar that can be produced by oxidizing glycerol. DHA in the environment is taken up and phosphorylated to DHA-phosphate by glycerol kinase or DHA kinase. In hypersaline environments, it is hypothesized that DHA is produced as an overflow product from glycerol utilization by organisms such as Salinibacter ruber. Previous research has demonstrated that the halo...

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Cytochrome aa(3) in Haloferax volcanii.

A cytochrome in an extremely halophilic archaeon, Haloferax volcanii, was purified to homogeneity. This protein displayed a redox difference spectrum that is characteristic of a-type cytochromes and a CN(-) complex spectrum that indicates the presence of heme a and heme a(3). This cytochrome aa(3) consisted of 44- and 35-kDa subunits. The amino acid sequence of the 44-kDa subunit was similar to...

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ژورنال

عنوان ژورنال: Frontiers in Microbiology

سال: 2013

ISSN: 1664-302X

DOI: 10.3389/fmicb.2013.00376