About: A genetic appraisal of a new synthetic Nicotiana tabacum (Solanaceae) and the Kostoff synthetic tobacco (1938)     Goto   Sponge   NotDistinct   Permalink

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Description
  • V této práci jsme prováděli cytogenetickou a sekvenční analýzu několika linií syntetických hybridů a allopolyploidů rostlin rodu Nicotiana. Většina hybridních rostlin (>99.9%) byla sterilní, a to dokonce i po duplikaci rodičovských chromosomů (2=48). Zjistili jsme, že genomy nevykazovaly významné genetické odchylky. Naopak úspěšné fertilní allopolyploidní linie tabáku se vyznačovaly intergenomickými výměnami, eliminací některých sekvencí DNA a restrukturalizací repetitivní složky genomu, což podporuje význam těchto genetických změn pro ustanovení fertilního allopolyploidního druhu. (cs)
  • In this work we have carried out cytogenetic and sequence analysis of several synthetic Nicotiana hybrids and allopolyploids. The large number of individuals >99.9% was sterile even after chromosome doubling (2n=48). There were no apparent deviations from genetic additivity. On the other hand rare lines of fertile synthetic tobacco displayed numerous intergenomic translocations, sequence eliminations and restructuralization of repetitive sequences underlining importance of these genetic changes for establishment of a fertile successful allopolyploid.
  • In this work we have carried out cytogenetic and sequence analysis of several synthetic Nicotiana hybrids and allopolyploids. The large number of individuals >99.9% was sterile even after chromosome doubling (2n=48). There were no apparent deviations from genetic additivity. On the other hand rare lines of fertile synthetic tobacco displayed numerous intergenomic translocations, sequence eliminations and restructuralization of repetitive sequences underlining importance of these genetic changes for establishment of a fertile successful allopolyploid. (en)
Title
  • A genetic appraisal of a new synthetic Nicotiana tabacum (Solanaceae) and the Kostoff synthetic tobacco (1938)
  • A genetic appraisal of a new synthetic Nicotiana tabacum (Solanaceae) and the Kostoff synthetic tobacco (1938) (en)
  • Genetická analýza nových linií syntetického tabáku a Kostovovy linie z roku 1938 (cs)
skos:prefLabel
  • A genetic appraisal of a new synthetic Nicotiana tabacum (Solanaceae) and the Kostoff synthetic tobacco (1938)
  • A genetic appraisal of a new synthetic Nicotiana tabacum (Solanaceae) and the Kostoff synthetic tobacco (1938) (en)
  • Genetická analýza nových linií syntetického tabáku a Kostovovy linie z roku 1938 (cs)
skos:notation
  • RIV/68081707:_____/06:00038999!RIV07-AV0-68081707
http://linked.open.../vavai/riv/strany
  • 875;883
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA521/01/0037), Z(AV0Z50040507)
http://linked.open...iv/cisloPeriodika
  • 6
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 463536
http://linked.open...ai/riv/idVysledku
  • RIV/68081707:_____/06:00038999
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • allopolyploidy; chromosome evolution; rDNA (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [803240B14B74]
http://linked.open...i/riv/nazevZdroje
  • American Journal of Botany
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 93
http://linked.open...iv/tvurceVysledku
  • Kovařík, Aleš
  • Leitch, A. R.
  • Chase, M. W.
  • Lim, K. Y.
  • Součková-Skalická, Kamila
  • Clarkson, J. J.
  • Sarasan, V.
http://linked.open...n/vavai/riv/zamer
issn
  • 0002-9122
number of pages
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