Responses of cell populations of three chlorococcal algae to the action of streptomycin |
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Authors: | J Nečas |
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Institution: | 1. Laboratory of Algology, Institute of Microbiology, Czechoslovak Academy of Sciences, T?eboň, Czechoslovakia
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Abstract: | Time doses of a single concentration of streptomycin and its concentration doses acting for the same time period in a liquid medium had different effects on three strains of chlorococcal algae. This concerned both the physiological responses and permanent changes in the characteristics of cell colonies growing from treated cells. Significant differences were recorded in: the number of autospores produced during the first division of the treated cells on the surface of a solid medium, the length of the lag phase, the growth rate of the diameter of cell colonies, and the survival of the treated cells. The permanent changes in the characteristics of the growing colonies were very different in the individual algal strains in quality and frequency. Physiological and the mutation effects were compared and discussed. |
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