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rdf:type
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Description
| - U Metazoa se počet chromozómů různí od 1 (roztoč Brevipalpus phoenicis) po ~1260 (kapradina Ophioglossum reticulatum). Mezi obratlovci byl nejvyšší počet chromozómů (446) pozorován u kaprovité ryby Diptychus dipogon, %22triploida%22 odvozeného od schizothoracinního hexaploidního rodu. Nejpozoruhodnější jsou jeseteři, Acipenseriformes, kteří zahrnují evoluční úrovně 4n (~120 chromozómů), 8n (~240 chromozómů) a, jak bylo odhaleno průtokovou cytometrií (FC), 16n (A. brevirostrum, A. mikadoi) (~500). Přirozená a/nebo umělá hybridizace jedinců o různích ploidních úrovních má za následek střední úroveň ploidie (4n x 8n = 6n). Nicméně FC analýzy různých líhňařských populací odhalily jedince s úrovněmi 5n (~150) a 7n (~210). Rutinní FC a následné analýzy chromozómů a měření erytrocytů populace jesetera ruského, A. gueldenstaedtii, odhalily jedince s úrovněmi 10n (~300), 12n (~360) a 13n (~390). Molekulárně genetická identifikace naznačila, že jedinec 12n byl autotriploid, zatímco hybridní původ ostatní (cs)
- In Metazoa, chromosome numbers range from 1 (also spider mite, brevipalpus phoenicis) to~1,260 (Indian fern, Ophioglossum reticulatum). Among vertebrates, the highest chromosome number (446) was observed in the cyprinid fish Diptychus dipogon, a %22triploid%22 derivate of schizostoracine hexaploid lineage. The most striking are the sturgeons Acipenseriformes, which include evolutionary 4n (~120 chromosomes), 8n (~240) and, as revealed by flow-cytometry (FC), 16n (A.brevistromum, A.mikadoi) (~500) levels. Natural and/or artificial hybridization of individuals with different ploidy levels result in an intermediate ploidy level (4n x 8n = 6n). However, FC analyses of various hatchery strains revealed individuals with 5n (~150) and 7n (~210) levels. Routine FC and Subsequent chromosome and erythrocyte measurement analyses of the Russian sturgeon, A. gueldenstaedtii strain, revealed individals with 10n (~300), 12n(~360) and 13n (~390) levels. Molecular genetic identification suggested that the 12n
- In Metazoa, chromosome numbers range from 1 (also spider mite, brevipalpus phoenicis) to~1,260 (Indian fern, Ophioglossum reticulatum). Among vertebrates, the highest chromosome number (446) was observed in the cyprinid fish Diptychus dipogon, a %22triploid%22 derivate of schizostoracine hexaploid lineage. The most striking are the sturgeons Acipenseriformes, which include evolutionary 4n (~120 chromosomes), 8n (~240) and, as revealed by flow-cytometry (FC), 16n (A.brevistromum, A.mikadoi) (~500) levels. Natural and/or artificial hybridization of individuals with different ploidy levels result in an intermediate ploidy level (4n x 8n = 6n). However, FC analyses of various hatchery strains revealed individuals with 5n (~150) and 7n (~210) levels. Routine FC and Subsequent chromosome and erythrocyte measurement analyses of the Russian sturgeon, A. gueldenstaedtii strain, revealed individals with 10n (~300), 12n(~360) and 13n (~390) levels. Molecular genetic identification suggested that the 12n (en)
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Title
| - Druhý nejvyšší počet chromozómů u obratlovců souvisí s extrémní diverzitou ploidie hybridů jeseterů (cs)
- The second highest chromosome count among vertebrates is associated with extreme ploidy level diversity in hybrid sturgeons
- The second highest chromosome count among vertebrates is associated with extreme ploidy level diversity in hybrid sturgeons (en)
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skos:prefLabel
| - Druhý nejvyšší počet chromozómů u obratlovců souvisí s extrémní diverzitou ploidie hybridů jeseterů (cs)
- The second highest chromosome count among vertebrates is associated with extreme ploidy level diversity in hybrid sturgeons
- The second highest chromosome count among vertebrates is associated with extreme ploidy level diversity in hybrid sturgeons (en)
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skos:notation
| - RIV/60076658:12610/04:00005808!RIV/2005/MSM/126105/N
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/60076658:12610/04:00005808
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - chromosome number;ploidy;sturgeon (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - CH - Švýcarská konfederace
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Cytogenetic and Genome Ressearch
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Flajšhans, Martin
- Piačková, Veronika
- Ráb, Petr
- Rábová, Marie
- Ludwig, A.
- Ene, A. C.
- Lieckfeld, D.
- Paaver, T.
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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