Abstract Bacterial spores are proper test organisms for studying problems of space biology and exobiology. During the Spacelab 1 mission, studies on the limiting factors for survival of Bacillus subtilis spores in free space have been performed. An exposure tray on the pallet of Spacelab 1 accomodated 316 samples of dry spores for treatment with space vacuum and/or the following selected wavelengths of solar UV: > 170 nm, 220 nm, 240nm, 260nm and 280 nm. After recovery, inactivation, mutation induction, reparability, and photochemical damages in DNA and protein have been studied. The results contribute to the understanding of the mechanisms of increased UV sensitivity of bacterial spores in vacuo and to a better assessment of the chance of survival of resistant forms in space and of interplanetary transfer of life.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Microorganisms and biomolecules in space environment experiment ES 029 on spacelab-1


    Beteiligte:
    Horneck, G. (Autor:in) / Bücker, H. (Autor:in) / Reitz, G. (Autor:in) / Requardt, H. (Autor:in) / Dose, K. (Autor:in) / Martens, K.D. (Autor:in) / Bieger, A. (Autor:in) / Mennigmann, H.D. (Autor:in) / Weber, P. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1984-01-01


    Format / Umfang :

    9 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Spacelab experiment integration

    LESTER, R. | AIAA | 1983


    Space motion sickness monitoring experiment - Spacelab 1

    Oman, Charles M. / Lichtenberg, Byron K. / Money, Kenneth E. | NTRS | 1990


    Space Motion Sickness Monitoring Experiment: Spacelab 1

    C. M. Oman / B. K. Lichtenberg / K. E. Money | NTIS | 1984


    Spacelab Experiment Computer Study. Volume 3: Spacelab Cost Data

    J. L. Lewis / B. C. Hodges / J. O. Christy | NTIS | 1976


    Spacelab J Experiment Descriptions

    T. Y. Miller | NTIS | 1993