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001-es BibID:	BIBFORM088877
Első szerző:	Káldy Jenő
Cím:	Hybridization of Russian Sturgeon (Acipenser gueldenstaedtii, Brandt and Ratzeberg, 1833) and American Paddlefish (Polyodon spathula, Walbaum 1792) and Evaluation of Their Progeny / Káldy Jenő, Mozsár Attila, Fazekas Gyöngyvér, Farkas Móni, Fazekas Dorottya Lilla, Fazekas Georgina Lea, Goda Katalin, Gyöngy Zsuzsanna, Kovács Balázs, Semmens Kenneth, Bercsényi Miklós, Molnár Marianna, Patakiné Várkonyi Eszter
Dátum:	2020
ISSN:	2073-4425
Megjegyzések:	Two species from the families Acipenseridae and Polyodontidae, Russian sturgeon (Acipenser gueldenstaedtii, Brandt and Ratzeberg, 1833; functional tetraploid) and American paddlefish (Polyodon spathula, Walbaum 1792, functional diploid) were hybridized. The hybridization was repeated using eggs from three sturgeon and sperm from four paddlefish individuals. Survival in all hybrid family groups ranged from 62% to 74% 30 days after hatching. This was the first successful hybridization between these two species and between members of the family Acipenseridae and Polyodontidae. Flow cytometry and chromosome analysis revealed two ploidy levels in hybrids. The chromosome numbers of the hybrids ranged between 156?184 and 300?310, in "functional" triploids and "functional" pentaploids, respectively. The hybrid origin and the ploidy levels were also confirmed by microsatellite analyses. In hybrids, the size and the number of dorsal and ventral scutes correlated with the ploidy levels as well as with the calculated ratio of the maternal and paternal chromosome sets. An extra haploid cell lineage was found in three hybrid individuals irrespective of the ploidy level, suggesting polyspermy. Although the growth performance showed high variance in hybrids (mean: 1.2 kg, SD: 0.55), many individuals reached a size of approximately 1 kg by the age of one year under intensive rearing conditions.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk ploidy level morphology chromosome number paternal haploid cell lineage sturgeon
Megjelenés:	Genes. - 11 : 7 (2020), p. 753-768. -
További szerzők:	Mozsár Attila (1987-) (környezetkutató, ökológus) Fazekas Gyöngyvér Farkas Mónika Fazekas Dorottya Lilla (1992-) (okleveles hidrobiológus) Fazekas Georgina Goda Katalin (1969-) (biofizikus) Gyöngy Zsuzsanna (1991-) (molekuláris biológus) Kovács Balázs Semmens, Kenneth Bercsényi Miklós Molnár Marianna Patakiné Várkonyi Eszter
Pályázati támogatás:	EFOP-3.6.3-VEKOP-16-2017-00008 EFOP
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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