Evolutionary Potential of the Hybrid Form Pelophylax esculentus-ridibundus (Amphibia, Ranidae) within Dnieper and Desna Drainages: Its Loss Caused by the Hemiclonal Inheritance and the Compensatory Role of Parental Genomes’ Recombination

Autor: S. Yu. Morozov-Leonov
Rok vydání: 2021
Předmět:
Zdroj: Cytology and Genetics. 55:213-226
ISSN: 1934-9440
0095-4527
DOI: 10.3103/s0095452721030063
Popis: The hemiclonal structure of the hybrid form Pelophylax esculentus-ridibundus (Amphibia: Ranidae) within the Dnieper and Desna rivers’ basins was analyzed. The presence of polyclonality in almost all populations was demonstrated. The monoclonality of the studied hybrid form was revealed in only 2 of 17 populations studied. Wide fluctuations in the level of genetic variability within P. esculentus-ridibundus in the study area were shown. The decrease in the genetic variation level was caused by the loss of rare hemiclones. A specific feature of P. esculentus-ridibundus, detected in the studied populations in the Dnieper and Desna basins, is the recombination of parental genomes. This leads to the emergence of new hemiclones and increases the genetic variation level of the inherited genome within this hybrid form.
Databáze: OpenAIRE