Biochemistry of Dissimilatory Sulfur Oxidation

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The long term goals of this research were to define the substrate oxidation pathways, the electron transport mechanisms, and the modes of energy conservation employed during the dissimilatory oxidation of sulfur practiced by various species of the thiobacilli. Specific adhesion of the thiobacilli to elemental sulfur was studied by electrical impedance, dynamic light scattering, laser Doppler velocimetry, and optical trapping methods. The conclusion is that the thiobacilli appear to express specific receptors that enable the bacteria to recognize and adhere to insoluble sulfur. The enzyme tetrathionate oxidase was purified from two species of the thiobacilli. Extensive structural and functional studies ... continued below

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Blake II, R. May 30, 2003.

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Description

The long term goals of this research were to define the substrate oxidation pathways, the electron transport mechanisms, and the modes of energy conservation employed during the dissimilatory oxidation of sulfur practiced by various species of the thiobacilli. Specific adhesion of the thiobacilli to elemental sulfur was studied by electrical impedance, dynamic light scattering, laser Doppler velocimetry, and optical trapping methods. The conclusion is that the thiobacilli appear to express specific receptors that enable the bacteria to recognize and adhere to insoluble sulfur. The enzyme tetrathionate oxidase was purified from two species of the thiobacilli. Extensive structural and functional studies were conducted on adenosine 5'-phosphosulfate reductase purified from cell-free extracts of Thiobacillus denitrificans. The kinetic mechanism of rhodanese was studied.

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OSTI as DE00836587

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  • Other Information: PBD: 30 May 2003

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  • Report No.: NONE
  • Grant Number: FG02-94ER20156
  • DOI: 10.2172/836587 | External Link
  • Office of Scientific & Technical Information Report Number: 836587
  • Archival Resource Key: ark:/67531/metadc788801

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Office of Scientific & Technical Information Technical Reports

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  • May 30, 2003

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  • Dec. 3, 2015, 9:30 a.m.

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  • Aug. 4, 2016, 7:32 p.m.

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Blake II, R. Biochemistry of Dissimilatory Sulfur Oxidation, report, May 30, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc788801/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.