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@misc{1126518, author = {Bureš, Petr and Muasya, Abraham Muthama and Lipnerová, Ivana and Zedek, František and Bauters, Kenneth and Šmarda, Petr and Viljoen, JanandAdriaan and Gonzalez Elizondo, Maria Socorro and Barrett, Russell and Goetghebeur, Paul and Bruhl, Jeremy and Mwachala, Geottrey and Prychid, Christina and Hroudová, Zdena and Thomas, Wayt and Wilson, Karen}, booktitle = {Monocots V: 5th International Conference on Comparative Biology of Monocotyledons}, keywords = {Cyperaceae; Juncaceae; Thurniaceae; genome size; evolution}, language = {eng}, title = {The Evolution of Genome Size and Base Composition in Cyperid Clade}, year = {2013} }
TY - SLIDE ID - 1126518 AU - Bureš, Petr - Muasya, Abraham Muthama - Lipnerová, Ivana - Zedek, František - Bauters, Kenneth - Šmarda, Petr - Viljoen, Jan-Adriaan - Gonzalez Elizondo, Maria Socorro - Barrett, Russell - Goetghebeur, Paul - Bruhl, Jeremy - Mwachala, Geottrey - Prychid, Christina - Hroudová, Zdena - Thomas, Wayt - Wilson, Karen PY - 2013 TI - The Evolution of Genome Size and Base Composition in Cyperid Clade KW - Cyperaceae KW - Juncaceae KW - Thurniaceae KW - genome size KW - evolution N2 - Using flow cytometry, we analyzed genome size (2C, nuclear DNA amount) and genomic base composition (GC content) in more than 600 taxa of Cyperaceae + Juncaceae + Thurniaceae covering representatively all main lineages of this Cyperid clade. Compared to representatives of the other 13 families in Poales, the evolution of the holokinetic chromosome structure in the Cyperid clade is associated with substantial decrease in genome size and with a shift in genomic base composition to lower GC content. Only in the lineages of Eleocharis, Tetraria and Schoenus, did genome size increase. Generally, higher divergence in genome size has evolved in non-tropical genera and widely distributed species had smaller genomes. In some genera, reduction in chromosome number was associated with increased genome size. This is consistent with the model of holokinetic drive (see abstract of Zedek and Bures) which also explains the extreme variation in chromosome size at a relatively fine phylogenetic scale in Cyperaceae. ER -
BUREŠ, Petr, Abraham Muthama MUASYA, Ivana LIPNEROVÁ, František ZEDEK, Kenneth BAUTERS, Petr ŠMARDA, Jan-Adriaan VILJOEN, Maria Socorro GONZALEZ ELIZONDO, Russell BARRETT, Paul GOETGHEBEUR, Jeremy BRUHL, Geottrey MWACHALA, Christina PRYCHID, Zdena HROUDOVÁ, Wayt THOMAS a Karen WILSON. The Evolution of Genome Size and Base Composition in Cyperid Clade. In \textit{Monocots V: 5th International Conference on Comparative Biology of Monocotyledons}. 2013.
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