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Effect of Space Flight Conditions on the Properties of Hydrocarbon-Oxidizing Bacteria

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Abstract

Results of experiments on the Mir space station (EO-25 and EO-26) demonstrated that the conditions of orbital flight, primarily cosmic radiation, were a mutagenic factor affecting both the genotype and phenotype of an oil-oxidizing bacterial strain, Mycobacterium flavescensEX-91. The emerging mutants differed from the original culture by the rate of colony growth and the ability to ferment certain carbohydrates or synthesize β-galactosidase. Changes in the rate of utilization of raw oil and individual hydrocarbon types (constituting model mixtures) suggest that cosmic radiation may serve as a means of obtaining mutant clones of microorganisms with new properties.

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Authors and Affiliations

  1. State Research Center for Applied Microbiology, Obolensk, Moscow oblast, 142279, Russia

    Z. M. Ermolenko, I. I. Martovetskaya, V. A. Chugunov & V. P. Kholodenko

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  1. Z. M. Ermolenko
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  2. I. I. Martovetskaya
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  3. V. A. Chugunov
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  4. V. P. Kholodenko
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Ermolenko, Z.M., Martovetskaya, I.I., Chugunov, V.A. et al. Effect of Space Flight Conditions on the Properties of Hydrocarbon-Oxidizing Bacteria. Applied Biochemistry and Microbiology 36, 559–563 (2000). https://doi.org/10.1023/A:1026688305130

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  • DOI: https://doi.org/10.1023/A:1026688305130

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