Abstract Model experiments demonstrating some possibilities of the primitive bioenergetics were performed. Comparing the catalytic properties of heme and hemoproteinoid in electron transfer reactions, it was shown that hemin acts as an active dark catalyst, whereas hemoproteinoid is a photosensitizer of these processes. The heme-containing enzyme, peroxidase/or even the hemoproteinoid/is also able to provide the phosphorylation of different substrates. It is proposed, that the phosphorylation is initiated by a hydroxyl radical occuring in the peroxidase reaction. We believe that those reactions could play a role in prebiotic energetics by coupling the electron transfer with the phosphorylation of suitable substrates.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Some aspects of the origin and early evolution of bioenergetic processes


    Beteiligte:

    Erschienen in:

    Origins of life ; 14 , 1-4 ; 315-322


    Erscheinungsdatum :

    1984




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    BKL:    44.71 Verkehrsmedizin
    Lokalklassifikation TIB:    535/3908/4290



    Bioenergetic Life Fields

    W. V. Iniuszyn | NTIS | 1977


    Some aspects of the early evolution of photosynthesis

    Masinovsky, Z. / Lozovaya, G.I. / Sivash, A.A. | Elsevier | 1991


    Environmental stochasticity promotes copper bioaccumulation and bioenergetic response in tilapia

    Chen, W. Y. / Ju, Y. R. / Lin, C. J. et al. | British Library Online Contents | 2015



    The origin and early evolution of nucleic acid polymerases

    Lazcano, A. / Cappello, R. / Valverde, V. et al. | NTRS | 1992