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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F09%3A00035278%21RIV10-MSM-14310___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
The tribe Brassiceae and the genus Brassica are characterized by the wide diversity of chromosome numbers spanning the range from 2n=14 to 2n=120 (2n=16-38 in Brassica). Whereas relatively recent polyploidy events resulting in elevated chromosome numbers (2n=34, 36, 38) have been recognized in Brassica more than seventy decades ago, paleo- and mesopolyploidy events shaping the genome structure of bona fide diploid brassicas (2n=16, 18, 20) were revealed only recently. I will demonstrate how the genome evolution in the Brassiceae was driven by multiple paleopolyploidy events, the later tribe-specific whole-genome triplication (mesopolyploidy) followed by karyotype shuffling, and recent allopolyploidization. Due to conserved chromosome collinearity between brassicas and other crucifer species including Arabidopsis thaliana, tentative evolutionary scenarios of Brassica genome evolution can be reconstructed. The tribe Brassiceae and the genus Brassica are characterized by the wide diversity of chromosome numbers spanning the range from 2n=14 to 2n=120 (2n=16-38 in Brassica). Whereas relatively recent polyploidy events resulting in elevated chromosome numbers (2n=34, 36, 38) have been recognized in Brassica more than seventy decades ago, paleo- and mesopolyploidy events shaping the genome structure of bona fide diploid brassicas (2n=16, 18, 20) were revealed only recently. I will demonstrate how the genome evolution in the Brassiceae was driven by multiple paleopolyploidy events, the later tribe-specific whole-genome triplication (mesopolyploidy) followed by karyotype shuffling, and recent allopolyploidization. Due to conserved chromosome collinearity between brassicas and other crucifer species including Arabidopsis thaliana, tentative evolutionary scenarios of Brassica genome evolution can be reconstructed.
dcterms:title
Chromosome And Genome Evolution In Brassica Chromosome And Genome Evolution In Brassica
skos:prefLabel
Chromosome And Genome Evolution In Brassica Chromosome And Genome Evolution In Brassica
skos:notation
RIV/00216224:14310/09:00035278!RIV10-MSM-14310___
n3:aktivita
n12:Z
n3:aktivity
Z(MSM0021622415)
n3:dodaniDat
n8:2010
n3:domaciTvurceVysledku
n11:3881741
n3:druhVysledku
n9:O
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
307045
n3:idVysledku
RIV/00216224:14310/09:00035278
n3:jazykVysledku
n15:eng
n3:klicovaSlova
Brassica; Brassiceae; Brassicaceae; paleopolyploidy
n3:klicoveSlovo
n5:paleopolyploidy n5:Brassiceae n5:Brassicaceae n5:Brassica
n3:kontrolniKodProRIV
[DEA2794874C7]
n3:obor
n4:EB
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
1
n3:rokUplatneniVysledku
n8:2009
n3:tvurceVysledku
Lysák, Martin
n3:zamer
n16:MSM0021622415
n7:organizacniJednotka
14310