2022
DOI: 10.3897/aiep.52.81191
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Triploid forms’ karyotypes of spined loaches from the genus Cobitis (Actinopterygii: Cypriniformes: Cobitidae) of the upper Dnieper and Western Dvina rivers: Analysis of the triploids’ origin

Abstract: Unisexual forms of lower vertebrates (fish, amphibians, and reptiles) reproduced by parthenogenesis, gynogenesis, or hybridogenesis are represented by diploids, triploids, or tetraploids, whose origin is associated with interspecific hybridization. Among fish species, the highest variability of unisexual polyploids was found in the genus Cobitis. The structure of their genomes and putative parental species holds great interest for the investigation in association with questions about possible evolutionary succ… Show more

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Cited by 5 publications
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“…Triploid and tetraploid individuals have not been detected in C. bilseli or other studied species. Triploid and tetraploid female forms have been determined in European countries and Russia (Vasilʼev et al 1989, Boroń 2003, Janko et al 2005, Vasilʼev and Vasilʼeva 2022. C. taenia (2n= 48) and its hybrid females (2n=74) have been detected in Poland and the Czech Republic (Ráb et al 2000, Boroń 2003, Janko et al 2007).…”
Section: Discussionmentioning
confidence: 99%
“…Triploid and tetraploid individuals have not been detected in C. bilseli or other studied species. Triploid and tetraploid female forms have been determined in European countries and Russia (Vasilʼev et al 1989, Boroń 2003, Janko et al 2005, Vasilʼev and Vasilʼeva 2022. C. taenia (2n= 48) and its hybrid females (2n=74) have been detected in Poland and the Czech Republic (Ráb et al 2000, Boroń 2003, Janko et al 2007).…”
Section: Discussionmentioning
confidence: 99%