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  1. 4 Folia Biologica

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  1. 1 2002

  2. 2 1999

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  1. 4 Przybos E.

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1

Intraspecies differentiation of Paramecium triaurelia (Ciliophora, Protista). III. Strains from the Sudeten Mts (Poland and the Czech Republic)

100%
Przybos E.
Folia Biologica
|
1997
|
vol. 45
69-72
EN
In the present paper the results are given of the studies, i.e. intra- and inter-strain crosses carried out between the Polish and the Czech strains (from the Sudeten Mts) and the standard one. Also inter-strain crosses were made between strains from remote regions of Europe, i.e. from Poland and Romania, and from Poland and Spain. The results showed that strains coming from different habitats of the Sudeten Mts as well as from the remote regions of Europe, i.e. Poland, Spain, and Romania, or even originating from Europe and the USA, were not genetically differentiated within P. triaurelia. The studied strains can interbreed in spite of their geographical isolation. The results indicate that in the studied species of the P. aurelia complex there exists a type of breeding system which can be called moderate inbreeding.
2

Paramecium biaurelia ? relation of strains

100%
Przybos E.
Folia Biologica
|
2002
|
vol. 50
|
issue 1-2
57-60
EN
Inter- and intra-strain crosses were made in Paramecium biaurelia of the P. aurelia species complex for studying the relation of strains within the species. Altogether ten strains originating from Scotland, Spain, Romania, Czech Republic, Ukraine, Italy, Germany, Russia, and Poland (two strains) were studied. A high percentage of surviving clones in both generations, F1 (obtained by conjugation) and F2 (obtained by autogamy), was observed in strain crosses, indicating a strong relation between the strains, and absence of genetic barriers between them in P. biaurelia.
3

Paramecium novaurelia, relation of distant strains

100%
Przybos E.
Folia Biologica
|
1999
|
vol. 47
|
issue 1-2
29-31
EN
The results of intra- and inter-strain crosses carried out in and between the strains from Spain, Poland, and Turkey, and the standard one (510, Scotland) of Paramecium novaurelia are presented. The inter-strain crosses were also made between the studied strains. The results showed that strains coming from the distant regions of Europe (i.e. from Spain, Poland, Scotland) and from Asiatic part of Turkey were not genetically differentiated within P. novaurelia. In the studied species of the P. aurelia complex there exists a type of breeding system which can be called moderate inbreeding.
4

Intraspecies structure of Paramecium pentaurelia

88%
Przybos E.
Folia Biologica
|
1999
|
vol. 47
|
issue 1-2
25-27
EN
The results of crosses carried out between the strains originating from regions of Europe distant from each other, i.e. from Spain and Hungary as well as between them and the standard strain of P. pentaurelia from Pennsylvania, USA are presented. It seems that the studied strains are not genetically differentiated within P. pentaurelia and that the species is characterized by moderate inbreeding.
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