caa a22 4500 445844892 CHVBK 20180317145355.0 cr unu---uuuuu 170323e20110601xx s 000 0 eng 10.1007/s10709-011-9584-y doi (NATIONALLICENCE)springer-10.1007/s10709-011-9584-y Recent invasion and low level of divergence between diploid and triploid forms of Carassius auratus complex in Croatia [Elektronische Daten] [Ivan Jakovlić, Jian-Fang Gui] Carassius auratus is an invasive species in European waters, comprising a complex of diploid and polyploid forms with different modes of reproduction. However, the evolutionary history and relationships between the diploids and polyploids are still unresolved. In this study, 51.5% diploids and 48.5% triploids, including four triploid males, were discovered among the 363 individuals sampled in Croatia. We used eight microsatellite loci and mitochondrial displacement loop sequences to analyze the structure and origin of populations; and to attempt to infer the evolutionary history of the two different forms in Croatia. Microsatellite analyses revealed high allelic and clonal diversity, corroborating that high propagule vectors can compensate for the negative effects of genetic bottlenecks in successful invasive species. The absence of significant population structuring confirmed recent origin and rapid spreading of populations. No evidence was found for the existence of native European populations. Distances between individuals using both nuclear and mtDNA markers revealed the absence of substantial clustering on the ploidy level, while the split between the different ploidies on population level was only partial, suggesting that the reproductive isolation between the two forms is either of a very recent origin, or that there exists uni-, or bidirectional gene flow between the diploid and triploid forms. Springer Science+Business Media B.V., 2011 Carassius auratus complex nationallicence Gibel carp D-loop nationallicence Clonal diversity nationallicence Invasive species nationallicence Microsatellites nationallicence Ploidy nationallicence Jakovlić Ivan State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Graduate School of the Chinese Academy of Sciences, 430072, Wuhan, People's Republic of China aut Gui Jian-Fang State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Graduate School of the Chinese Academy of Sciences, 430072, Wuhan, People's Republic of China aut Genetica Springer Netherlands 139/6(2011-06-01), 789-804 0016-6707 139:6<789 2011 139 10709 https://doi.org/10.1007/s10709-011-9584-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10709-011-9584-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Jakovlić Ivan State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Graduate School of the Chinese Academy of Sciences, 430072, Wuhan, People's Republic of China aut NATIONALLICENCE 700 1- Gui Jian-Fang State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Graduate School of the Chinese Academy of Sciences, 430072, Wuhan, People's Republic of China aut NATIONALLICENCE 773 0- Genetica Springer Netherlands 139/6(2011-06-01), 789-804 0016-6707 139:6<789 2011 139 10709 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer