Comparative responses of microscopic fungi to ionizing radiation and light |
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Authors: | Y. V. Karpenko T. I. Redchitz V. A. Zheltonozhsky J. Dighton N. N. Zhdanova |
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Affiliation: | Department of Physiology and Taxonomy of Fungi, Institute of Microbiology and Virology, Kiev, Ukraine. yuliya_karpenko@rambler.ru |
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Abstract: | Microscopic fungi of 47 species and 24 genera isolated from radioactive soil and other radioactive substrates of a 10-km alienation zone from Chernobyl Nuclear Power Plant were investigated. Only 19 % of such fungi showed toward the ionizing irradiation source positive radiotropism. Strains with best-defended radiotropism responded to the influence of weak white light. Both of these responses (radiotropism and photostimulation) were of an adaptive nature, were found in both dark-colored and light-colored micromycetes and were probably a strain-related feature. |
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