About: Differential amplification of satellite PaB6 in chromosomally hypervariable Prospero autumnale complex (Hyacinthaceae)     Goto   Sponge   NotDistinct   Permalink

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  • Chromosomal evolution, including numerical and structural changes, is a major force in plant diversification and speciation. This study addresses genomic changes associated with the extensive chromosomal variation of the Mediterranean Prospero autumnale complex (Hyacinthaceae), which includes four diploid cytotypes each with a unique combination of chromosome number (x = 5, 6, 7), rDNA loci and genome size. Although present in all Prospero species, PaB6 has undergone differential amplification only in chromosomally variable P. autumnale, particularly in cytotypes B6B6 and B5B5. These arose via independent chromosomal fusions from x = 7 to x = 6 and 5, respectively, accompanied by genome size increases. The copy numbers of satellite DNA PaB6 are among the highest in angiosperms, and changes of PaB6 are exceptionally dynamic in this group of closely related cytotypes of a single species.
  • Chromosomal evolution, including numerical and structural changes, is a major force in plant diversification and speciation. This study addresses genomic changes associated with the extensive chromosomal variation of the Mediterranean Prospero autumnale complex (Hyacinthaceae), which includes four diploid cytotypes each with a unique combination of chromosome number (x = 5, 6, 7), rDNA loci and genome size. Although present in all Prospero species, PaB6 has undergone differential amplification only in chromosomally variable P. autumnale, particularly in cytotypes B6B6 and B5B5. These arose via independent chromosomal fusions from x = 7 to x = 6 and 5, respectively, accompanied by genome size increases. The copy numbers of satellite DNA PaB6 are among the highest in angiosperms, and changes of PaB6 are exceptionally dynamic in this group of closely related cytotypes of a single species. (en)
Title
  • Differential amplification of satellite PaB6 in chromosomally hypervariable Prospero autumnale complex (Hyacinthaceae)
  • Differential amplification of satellite PaB6 in chromosomally hypervariable Prospero autumnale complex (Hyacinthaceae) (en)
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  • Differential amplification of satellite PaB6 in chromosomally hypervariable Prospero autumnale complex (Hyacinthaceae)
  • Differential amplification of satellite PaB6 in chromosomally hypervariable Prospero autumnale complex (Hyacinthaceae) (en)
skos:notation
  • RIV/68081707:_____/14:00435933!RIV15-GA0-68081707
http://linked.open...avai/riv/aktivita
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  • I, P(GBP501/12/G090)
http://linked.open...iv/cisloPeriodika
  • 8
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  • 11475
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  • RIV/68081707:_____/14:00435933
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  • Hyacinthaceae; PaB6; pericentric satellite DNA; next-generation sequencing; Prospero autumnale (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [5187934675A7]
http://linked.open...i/riv/nazevZdroje
  • Annals of Botany
http://linked.open...in/vavai/riv/obor
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http://linked.open...vavai/riv/projekt
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http://linked.open...v/svazekPeriodika
  • 114
http://linked.open...iv/tvurceVysledku
  • Kovařík, Aleš
  • Macas, Jiří
  • Novák, Petr
  • Emadzade, K.
  • Jang, T. S.
  • Parker, J.
  • Weiß-Schneeweiss, H.
http://linked.open...ain/vavai/riv/wos
  • 000345825300003
issn
  • 0305-7364
number of pages
http://bibframe.org/vocab/doi
  • 10.1093/aob/mcu178
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