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Structure of photosynthetic apparatus of brown alga Xanthonema debile

Structure of photosynthetic apparatus of brown alga Xanthonema debile3. 9. 2013

Using electron techniques we have determined and compared structure of the photosynthetic apparatus of brown algae X. debile. Structure of both photosystems I and II is similar to those of higher...

Examining the antiviral activity of tenofovir against Cauliflower mosaic virus and its metabolism in Brassica pekinensis plants

Examining the antiviral activity of tenofovir against Cauliflower mosaic virus and its metabolism in Brassica pekinensis plants3. 9. 2013

Antiviral effect of tenofovir - antivirotic developed by prof. A. Holý - onto model plant DNA virus Cauliflower mosaic virus was evaluated. Six to nine weeks after tenofovir treatment of infected...

Characterization of repetitive DNA in complex genomes of the selected plant species

Characterization of repetitive DNA in complex genomes of the selected plant species3. 9. 2013

Repetitive DNA makes up significant portions of higher plant nuclear genomes. Therefore, investigation of sequence composition, genome organization and evolution of the repetitive DNA is...

First direct measurement of light absorption on individual light-harvesting complexes of fotosynthetic bacteria

First direct measurement of light absorption on individual light-harvesting complexes of fotosynthetic bacteria3. 9. 2013

Chlorosomes are specific light-harvesting complexes of photosynthetic bacteria, made of aggregated bacteriochlorophyll and other photosynthetic pigments. They are able to absorb and transfer light...

Antagonistic and synergistic effects of protistan grazing and viral lysis on production and community composition bacterioplankton

Antagonistic and synergistic effects of protistan grazing and viral lysis on production and community composition bacterioplankton3. 9. 2013

Protistan bacterivory and lysis of bacterial cells by specific viruses, bacteriophages, are two most important factors responsible for shaping the dynamics and community composition of...

Application of the PDMPO technique in studying silica deposition in natural populations of Fragilaria crotonensis (Bacillariophyceae) at different depths in a eutrophic reservoir

Application of the PDMPO technique in studying silica deposition in natural populations of Fragilaria crotonensis (Bacillariophyceae) at different depths in a eutrophic reservoir3. 9. 2013

In July – October 2006 at weekly intervals, we measured silica deposition in the summer diatom assemblage at various depths in a eutrophic Římov Reservoir using PDMPO labelling technique. Diatom...

Genetic and ecological differentiation of Daphnia longispina species complex in deep canyon-shaped reservoirs

Genetic and ecological differentiation of Daphnia longispina species complex in deep canyon-shaped reservoirs3. 9. 2013

Species complex of Daphnia longispina comprise the most common taxons of Daphnia living in the vast majority of standing waters in the whole Europe. It consists of species D. galeata, D....

Factors responsible for distribution and diversity of two major groups of Betaproteobacteria

Factors responsible for distribution and diversity of two major groups of Betaproteobacteria3. 9. 2013

Two key groups of microbes affiliated with the Betaproteobacteria received our immense attention during the last year. Those globally distributed groups, represented here by the genus...

Reproduction biology of perch (Perca fluviatilis L.) in model Chabařovice Lake (North Bohemia, Czech Republic)

Reproduction biology of perch (Perca fluviatilis L.) in model Chabařovice Lake (North Bohemia, Czech Republic)3. 9. 2013

Using SCUBA divers we finished the most complex and most detail research on perch reproduction biology ever. We found that in Chabařovice Lake perch used at least seven different spawning...

The influence of the trawl mouth opening size and net colour on catch efficiency during sampling of early stages of perch (Perca fluviatilis) and pikeperch (Sander lucioperca) in the bathypelagic layer of a canyon-shaped reservoir

The influence of the trawl mouth opening size and net colour on catch efficiency during sampling of early stages of perch (Perca fluviatilis) and pikeperch (Sander lucioperca) in the bathypelagic layer of a canyon-shaped reservoir3. 9. 2013

The long-term effort of the Fish Ecology Unit is obtaining of the "true picture" of the fish stock in lakes and reservoirs. Absolutely essential for its finding is the knowledge of the efficiency...

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