Biochemistry of Dissimilatory Sulfur Oxidation Metadata

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  • Main Title Biochemistry of Dissimilatory Sulfur Oxidation


  • Author: Blake II, R.
    Creator Type: Personal


  • Sponsor: United States. Department of Energy. Office of Energy Research.
    Contributor Type: Organization
    Contributor Info: USDOE Office of Energy Research (ER) (United States)


  • Name: Xavier University, New Orleans, LA (United States)
    Place of Publication: United States


  • Creation: 2003-05-30


  • English


  • Content 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.
  • Physical Description: vp.


  • Keyword: Light Scattering
  • Keyword: Oxidation
  • Keyword: Oxidoreductases
  • Keyword: Enzymes
  • Keyword: Biochemistry
  • Keyword: Functionals
  • Keyword: Oxidases
  • STI Subject Categories: 59 Basic Biological Sciences
  • Keyword: Energy Conservation
  • Keyword: Adhesion
  • Keyword: Adenosine
  • Keyword: Electrons
  • Keyword: Sulfur
  • Keyword: Impedance
  • Keyword: Bacteria
  • Keyword: Substrates


  • Other Information: PBD: 30 May 2003


  • Name: Office of Scientific & Technical Information Technical Reports
    Code: OSTI


  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Report


  • Text


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


  • Display Note: OSTI as DE00836587