About: Odd ploidy levels in sturgeons suggest a backcross of interspecific hexaploid sturgeon hybrids to evolutionarily tetraploid and/or octaploid parental species

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About: Odd ploidy levels in sturgeons suggest a backcross of interspecific hexaploid sturgeon hybrids to evolutionarily tetraploid and/or octaploid parental species Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Three presumably purebred aquaculture stocks of sturgeons (Acipenser ruthenus, A. gueldenstaedtii and A. baerii) were investigated. Analyses of DNA contents by flow cytometry and of erythrocyte nuclear dimensions by microscope-coupled, computer-assisted image analysis revealed that only an A. ruthenus stock was purebred tetraploid in 93.33%; whereas both A. gueldenstaedtii and A. baerii stocks under study consisted of hexaploids, yet unknown penta- or heptaploid specimens and purebred octaploids. We hypothesized that the hexaploid specimens were F1 interspecific hybrids of tetra- and octaploid sturgeon species, whereas pentaploid specimens may have originated from an intentional or accidental backcross of the F1 hybrid to tetraploid parental speciesin aquaculture, and the heptaploid specimens may have originated from similar backcross of the F1 hybrid to octaploid parent. Three presumably purebred aquaculture stocks of sturgeons (Acipenser ruthenus, A. gueldenstaedtii and A. baerii) were investigated. Analyses of DNA contents by flow cytometry and of erythrocyte nuclear dimensions by microscope-coupled, computer-assisted image analysis revealed that only an A. ruthenus stock was purebred tetraploid in 93.33%; whereas both A. gueldenstaedtii and A. baerii stocks under study consisted of hexaploids, yet unknown penta- or heptaploid specimens and purebred octaploids. We hypothesized that the hexaploid specimens were F1 interspecific hybrids of tetra- and octaploid sturgeon species, whereas pentaploid specimens may have originated from an intentional or accidental backcross of the F1 hybrid to tetraploid parental speciesin aquaculture, and the heptaploid specimens may have originated from similar backcross of the F1 hybrid to octaploid parent. (en)
Title	Odd ploidy levels in sturgeons suggest a backcross of interspecific hexaploid sturgeon hybrids to evolutionarily tetraploid and/or octaploid parental species Odd ploidy levels in sturgeons suggest a backcross of interspecific hexaploid sturgeon hybrids to evolutionarily tetraploid and/or octaploid parental species (en)
skos:prefLabel	Odd ploidy levels in sturgeons suggest a backcross of interspecific hexaploid sturgeon hybrids to evolutionarily tetraploid and/or octaploid parental species Odd ploidy levels in sturgeons suggest a backcross of interspecific hexaploid sturgeon hybrids to evolutionarily tetraploid and/or octaploid parental species (en)
skos:notation	RIV/60076658:12610/00:00002408!RIV/2001/MSM/126101/N
http://linked.open.../vavai/riv/strany	133
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 126100001)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2001
http://linked.open...aciTvurceVysledku	Flajšhans, Martin Vajcová, Veronika
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Jihočeská univerzita v Českých Budějovicích / Výzkumný ústav rybářský a hydrobiologický
http://linked.open...dnocenehoVysledku	720188
http://linked.open...ai/riv/idVysledku	RIV/60076658:12610/00:00002408
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Acipenser ruthenus, A. gueldenstaedtii, A. baerii, odd ploidy hybrids, flow cytometry, erythrocyte i (en)
http://linked.open.../riv/klicoveSlovo	flow cytometry A. baerii A. gueldenstaedtii erythrocyte i odd ploidy hybrids Acipenser ruthenus
http://linked.open...ontrolniKodProRIV	[429FEFBE1EA9]
http://linked.open...i/riv/nazevZdroje	Folia Zoologica
http://linked.open...in/vavai/riv/obor	GL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2000
http://linked.open...v/svazekPeriodika	49
http://linked.open...iv/tvurceVysledku	Flajšhans, Martin Vajcová, Veronika
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20126100001
issn	0139-7893
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	12610

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