GLORIA

GEOMAR Library Ocean Research Information Access

feed icon rss

Ihre E-Mail wurde erfolgreich gesendet. Bitte prüfen Sie Ihren Maileingang.

Leider ist ein Fehler beim E-Mail-Versand aufgetreten. Bitte versuchen Sie es erneut.

Vorgang fortführen?

Exportieren
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Antonie van Leeuwenhoek 57 (1990), S. 139-152 
    ISSN: 1572-9699
    Schlagwort(e): nitrification ; denitrification ; heterotroph ; Thiosphaera
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Reports of the simultaneous use of oxygen and denitrification by different species of bacteria have become more common over the past few years. Research with some strains (e.g. Thiosphaera pantotropha) has indicated that there might be a link between this ‘aerobic denitrification’ and a form of nitrification which requires rather than generates energy and is therefore known as heterotrophic nitrification. This paper reviews recent research into heterotrophic nitrification and aerobic denitrification, and presents a preliminary model which, if verified, will provide at least a partial explanation for the simultaneous occurrence of nitrification and denitrification in some bacteria.
    Materialart: Digitale Medien
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 2
    ISSN: 1572-9699
    Schlagwort(e): hydroxylamine ; anaerobic ammonium oxidation ; nitrification ; denitrification
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Some aspects of inorganic nitrogen conversion by microorganisms like N2O emission and hydroxylamine metabolism studied by Beijerinck and Kluyver, founders of the Delft School of Microbiology, are still actual today. In the Kluyver Laboratory for Biotechnology, microbial conversion of nitrogen compounds is still a central research theme. In recent years a range of new microbial processes and process technological applications have been studied. This paper gives a review of these developments including, aerobic denitrification, anaerobic ammonium oxidation, heterotrophic nitrification, and formation of intermediates (NO2-, NO, N2O), as well as the way these processes are controlled at the genetic and enzyme level.
    Materialart: Digitale Medien
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Antonie van Leeuwenhoek 71 (1997), S. 69-74 
    ISSN: 1572-9699
    Schlagwort(e): hydroxylamine ; nitrification ; aerobic denitrification ; Pseudomonas
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Pseudomonas strain PB16, a Gram-negative heterotrophic nitrifying bacterium closely related to Pseudomonas azalaica on the basis of 16 S rDNA analysis, was able to use hydroxylamine as an additional energy source during growth in acetate limited chemostat cultures giving an increased biomass yield. In aerobically growing cells of Pseudomonas PB16 only 50% of supplemented hydroxylamine could be recovered as nitrite. In addition to nitrite, N2O could be detected in the chemostat off-gas, indicating combined heterotrophic nitrification and aerobic denitrification. The maximum specific hydroxylamine oxidizing activity observed was 450 nmol per min per mg dry weight, with a Ks of approximately 40 µm. Upon addition of hydroxylamine to the medium, Pseudomonas PB16 induced a soluble 132 KDa dimeric hydroxylamine oxidoreductase. The enzyme had a pH optimum of 9, and did not contain spectroscopic features typical for cytochromes, which is in contrast to hydroxylamine oxidoreductases fou nd in autotrophic bacteria.
    Materialart: Digitale Medien
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
Schließen ⊗
Diese Webseite nutzt Cookies und das Analyse-Tool Matomo. Weitere Informationen finden Sie hier...