About: Phylogeny, chromosome number and genome size evolution in Physarieae (Brassicaceae).     Goto   Sponge   NotDistinct   Permalink

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  • The Physarieae tribe (Brassicaceae or mustard family), predominately with a base chromosome number of x=8, exhibits a remarkable diversity of haploid chromosome number, thereby suggesting a dynamic rate of chromosomal change. The goal of this research was to study, in a molecular phylogenetic context, the evolution of chromosome number and genome size within the tribe. Our molecular phylogenetic studies were generated with three independent loci (chloroplast ndhF, nrDNA ITS, and LUMINIDEPENDENS 5-7 exons and 5, 6 introns). The results suggest that Physarieae is a monophyletic lineage closest related to the Halimolobeae tribe. Within the tribe, three monophyletic clades are recovered: The NDDLS clade including five genera (Nerisyrenia, Dithyrea, Dimorphocarpa, Lyrocarpa, and Synthlipsis), the Paysonia clade, and the Physaria clade. The phylogenetic findings further suggest that there was a 2-fold genome size expansion after the divergence of Physarieae from closely related tribes (2C = 0.873 vs. 0.
  • The Physarieae tribe (Brassicaceae or mustard family), predominately with a base chromosome number of x=8, exhibits a remarkable diversity of haploid chromosome number, thereby suggesting a dynamic rate of chromosomal change. The goal of this research was to study, in a molecular phylogenetic context, the evolution of chromosome number and genome size within the tribe. Our molecular phylogenetic studies were generated with three independent loci (chloroplast ndhF, nrDNA ITS, and LUMINIDEPENDENS 5-7 exons and 5, 6 introns). The results suggest that Physarieae is a monophyletic lineage closest related to the Halimolobeae tribe. Within the tribe, three monophyletic clades are recovered: The NDDLS clade including five genera (Nerisyrenia, Dithyrea, Dimorphocarpa, Lyrocarpa, and Synthlipsis), the Paysonia clade, and the Physaria clade. The phylogenetic findings further suggest that there was a 2-fold genome size expansion after the divergence of Physarieae from closely related tribes (2C = 0.873 vs. 0. (en)
Title
  • Phylogeny, chromosome number and genome size evolution in Physarieae (Brassicaceae).
  • Phylogeny, chromosome number and genome size evolution in Physarieae (Brassicaceae). (en)
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  • Phylogeny, chromosome number and genome size evolution in Physarieae (Brassicaceae).
  • Phylogeny, chromosome number and genome size evolution in Physarieae (Brassicaceae). (en)
skos:notation
  • RIV/00216224:14310/08:00026032!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita
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  • P(LC06073), Z(MSM0021622416)
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  • 386600
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  • RIV/00216224:14310/08:00026032
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  • Mustard; genome size; Brassicaceae; Physarieae; phylogeny (en)
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  • [3DCA6FA6FDF3]
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  • Bureš, Petr
  • Fuentes-Soriano, Sara
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http://localhost/t...ganizacniJednotka
  • 14310
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