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Untangling complex ...
Untangling complex histories of genome mergings in high polyploids
- Article/chapterEnglish2007
Publisher, publication year, extent ...
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2007-06
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Oxford University Press (OUP),2007
Numbers
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LIBRIS-ID:oai:gup.ub.gu.se/65760
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https://gup.ub.gu.se/publication/65760URI
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https://doi.org/10.1080/10635150701424553DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-14579URI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Polyploidy, the duplication of entire genomes, plays a major role in plant evolution. In allopolyploids, genome duplication is associated with hybridization between two or more divergent genomes. Successive hybridization and polyploidization events can build up species complexes of allopolyploids with complicated network-like histories, and the evolutionary history of many plant groups cannot be adequately represented by phylogenetic trees because of such reticulate events. The history of complex genome mergings within a high-polyploid species complex in the genus Cerastium (Caryophyllaceae) is here untangled by the use of a network algorithm and noncoding sequences of a low-copy number gene. The resulting network illustrates how hybridization and polyploidization have acted as key evolutionary processes in creating a plant group where high-level allopolyploids clearly outnumber extant parental genomes.
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Oxelman, Bengt,1958Uppsala universitet,Gothenburg University,Göteborgs universitet,Institutionen för växt- och miljövetenskaper,Department of Plant and Environmental Sciences,Systematisk botanik(Swepub:uu)bengoxel
(author)
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Huber, K. T.
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Moulton, V.
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Brochmann, C.
(author)
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Göteborgs universitetInstitutionen för växt- och miljövetenskaper
(creator_code:org_t)
Related titles
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In:Systematic Biology: Oxford University Press (OUP)56:3, s. 467-4761063-51571076-836X
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