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  • Title: [Resistance of microorganisms of upper layers of the atmosphere to ultraviolet radiation and a high vacuum].
    Author: Lysenko SV.
    Journal: Mikrobiologiia; 1980; 49(1):175-7. PubMed ID: 7392991.
    Abstract:
    Solar radiation and high vacuum are the main factors affecting the incidence of microorganisms in the stratosphere and mesophere. It has been established in experiments that the conidia of Aspergillus niger are most resistant of UV irradiation. The conidia of Penicillium, the spores of Papulaspora anomala and Circinella muscae, and the vegetative cells of Micrococcus and Mycobacterium are more susceptible to UV radiation. All of the isolated microorganisms have been shown to be resistant to high vacuum. Their inactivation varied within the range of 2 to 16%, with an exception of Micrococcus cells (40%).
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