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1

Paramecium species of the Upper and Lower Volga River basin, Russia

100%
Potekhin A., Przybos E., Rautian M.
Folia Biologica
|
2008
|
vol. 56
|
issue 3-4
203-207
EN
The Volga, which is the largest river in Europe (3690 km long), flows from the north (Tver' region) to the south (Caspian Sea), and its extensive basin (1380 km2) includes very different biotopes. Thus, analysis of the occurrence of Paramecium species along this large river basin may signifcantly enhance our understanding of species distribution according to temperature regime, food richness and other possible factors. The present paper concerns the occurrence of species of the P. aurelia complex in the sampling areas of the Upper Volga River, and a comparison with the occurrence of species of the P. aurelia complex in the Lower Volga region. In the Upper Volga basin, P. biaurelia was the most abundant among species of the complex recorded (among P. triaurelia, P. decaurelia, P. dodecaurelia), in the Lower Volga region eight species of the complex were recorded (P. primaurelia, P. biaurelia, P. triaurelia, P. pentaurelia, P. sexaurelia, P. septaurelia, P. novaurelia, P. decaurelia).
2

Strains of Paramecium decaurelia (Ciliophora, Protozoa) from Russia with molecular characteristics of other known strains of the species

100%
Przybos E., Greczek-Stachura M., Potekhin A., Rautian M.
Folia Biologica
|
2007
|
vol. 55
|
issue 3-4
127-132
EN
The presence of Paramecium decaurelia from the Paramecium aurelia species complex was demonstrated in Yaroslavl, Russia, (European part, northwestern Russia) and in the Altai Mts (Asiatic part of Russia, western Siberia). RAPD-PCR fingerprints of the newly identified strains of P. decaurelia, rare throughout the world, were compared to those characteristic for the other known strains of the species. P. decaurelia strains show some polymorphism within species, strains from Russia have 60% similarity of band patterns, and strains from USA and Japan about 70% similarity of band patterns.
3

Species of the Paramecium aurelia complex in Russia (Western region of European Russia) with molecular characteristics of Paramecium novaurelia

100%
Przybos E., Tarcz S., Rautian M., Potekhin A.
Folia Biologica
|
2006
|
vol. 54
|
issue 1-2
43-47
EN
The presence of P. primaurelia, P. biaurelia, P. triaurelia, and P. novaurelia of the P. aurelia complex was revealed in the studied region of Russia. RAPD-PCR fingerprints (band patterns) of newly identified P. novaurelia strains from Russia were compared to those characteristic for the other chosen European strains of the species. The strains revealed intraspecific polymorphism as several groups of genotypes confirming the existence of polymorphism within P. novaurelia.
4

First european record of Paramecium septaurelia and the discovery of new european habitats of P. pentaurelia and P. sexaurelia in Russia (Astrakhan and Volgograd Regions)

100%
Przybos E., Rautian M., Potekhin A.
Folia Biologica
|
2004
|
vol. 52
|
issue 1-2
87-90
EN
The presence of several species of the P. aurelia complex was revealed in the studied regions. In the Volgograd region P. primaurelia, P. biaurelia, P. triaurelia, and P. novaurelia were recorded. In the Astrakhan Nature Reserve P. primaurelia, P. pentaurelia, P. sexaurelia, and P. septaurelia were identified. Among these species, P. septaurelia was recorded for the first time in Europe, known before only from the territory of the USA, P. pentaurelia and P. sexaurelia are species rare in Europe. The studied regions are very rich in species of the P. aurelia complex and worthy of future studies.
5

Polymorphism within Paramecium sexaurelia (Ciliophora, Oligohymenophorea) and description of a new stand of the species in China

100%
Przybos E., Rautian M., Greczek-Stachura M., Potekhin A.
Folia Biologica
|
2007
|
vol. 55
|
issue 3-4
121-125
EN
The presence of Paramecium sexaurelia from the Paramecium aurelia complex was recorded for the first time in China (Beijing). RAPD fingerprints (band patterns) of P. sexaurelia strains, the new strain from China and others from Asia, as well as from Europe and Puerto Rico, showed polymorphism within the species as several groups of genotypes characterized by different band patterns.
6

Species of the Paramecium aurelia complex in Russia: new stands and overall distribution

88%
Potekhin A., Przybos E., Nekrasova I., Yashchenko V., Rautian M.
Folia Biologica
|
2010
|
vol. 58
|
issue 1-2
73-78
EN
New stands of Paramecium biaurelia, P. triaurelia, P. tetraurelia, P. pentaurelia, P. novaurelia, and P. dodecaurelia were recorded in Russia. Especially interesting is the record of P. novaurelia in Vladivostok, Russian Far East, as it is a very rare species outside of Europe. The distribution of species of the Paramecium aurelia complex in Eurasia with emphasis on findings in Russia is discussed.
7

Molecular studies on intra-specific differentiation of Paramecium dodecaurelia, with description of new stands of the species (Protozoa, Ciliophora)

76%
Przybos E., Tarcz S., Greczek-Stachura M., Surmacz M., Potekhin A., Rautian M.
Folia Biologica
|
2008
|
vol. 56
|
issue 3-4
249-262
EN
New stands of Paramecium tetraurelia were revealed in Australia (Melbourne) and Europe (Spain, Madrid).
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