Antilysozyme Activity as a Factor of Algae Survival in Aquatic Biocenoses |
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Authors: | O V Bukharin N V Nemtseva S V Shabanov A O Plotnikov |
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Institution: | (1) Institute of Cellular and Intracellular Symbiosis, Ural Division, Russian Academy of Sciences, Pionerskaya ul. 11, Orenburg, 460000, Russia |
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Abstract: | Field and laboratory investigations were performed to study the distribution and functional significance of antilysozyme activity (ALA) in algal cultures. According to the results obtained, ALA as a trait is widespread among green and blue-green algae but is expressed to different extents. Experiments on the algae–zooplankters model showed that ALA is a factor facilitating the survival of algae in freshwater communities by promoting the establishment of their trophic and symbiotic relationships with other aquatic organisms. Analyzing the intrapopulation structure of algal cultures associated with zooplankters, it was shown that changes in the ALA of algal clones have adaptive significance, providing for a greater stability of algal populations in biocenoses. |
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Keywords: | antilysozyme activity phytoplankton zooplankton biocenotic relationships freshwater biocenoses |
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