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@article{1342227,
author = {Vu, Giang T. H. and Schmutzer, Thomas and Bull, Fabian and Cao, Hieu X. and Fuchs, Joerg and Tran, Trung D. and Jovtchev, Gabriele and Pistrick, Klaus and Stein, Nils and Pečinka, Aleš and Neumann, Pavel and Novak, Petr and Macas, Jiří and Dear, Paul H. and Blattner, Frank R. and Scholz, Uwe and Schubert, Ingo},
article_location = {MADISON (USA)},
article_number = {3},
doi = {http://dx.doi.org/10.3835/plantgenome2015.04.0021},
keywords = {DOUBLE-STRAND BREAKS; NUCLEAR-DNA CONTENT; TRANSPOSABLE ELEMENTS; ARABIDOPSIS-THALIANA; CHROMOSOME-NUMBER; MINIATURE GENOME; FLOW-CYTOMETRY; WEB SERVER; MECHANISMS; SEQUENCE},
language = {eng},
issn = {1940-3372},
journal = {PLANT GENOME},
title = {Comparative Genome Analysis Reveals Divergent Genome Size Evolution in a Carnivorous Plant Genus},
url = {https://dl.sciencesocieties.org/publications/tpg/articles/8/3/plantgenome2015.04.0021},
volume = {8},
year = {2015}
}
TY - JOUR
ID - 1342227
AU - Vu, Giang T. H. - Schmutzer, Thomas - Bull, Fabian - Cao, Hieu X. - Fuchs, Joerg - Tran, Trung D. - Jovtchev, Gabriele - Pistrick, Klaus - Stein, Nils - Pečinka, Aleš - Neumann, Pavel - Novak, Petr - Macas, Jiří - Dear, Paul H. - Blattner, Frank R. - Scholz, Uwe - Schubert, Ingo
PY - 2015
TI - Comparative Genome Analysis Reveals Divergent Genome Size Evolution in a Carnivorous Plant Genus
JF - PLANT GENOME
VL - 8
IS - 3
SP - nestránkováno
EP - nestránkováno
PB - CROP SCIENCE SOC AMER
SN - 19403372
KW - DOUBLE-STRAND BREAKS
KW - NUCLEAR-DNA CONTENT
KW - TRANSPOSABLE ELEMENTS
KW - ARABIDOPSIS-THALIANA
KW - CHROMOSOME-NUMBER
KW - MINIATURE GENOME
KW - FLOW-CYTOMETRY
KW - WEB SERVER
KW - MECHANISMS
KW - SEQUENCE
UR - https://dl.sciencesocieties.org/publications/tpg/articles/8/3/plantgenome2015.04.0021
L2 - https://dl.sciencesocieties.org/publications/tpg/articles/8/3/plantgenome2015.04.0021
N2 - The C-value paradox remains incompletely resolved after > 40 yr and is exemplified by 2,350-fold variation in genome sizes of flowering plants. The carnivorous Lentibulariaceae genus Genlisea, displaying a 25-fold range of genome sizes, is a promising subject to study mechanisms and consequences of evolutionary genome size variation. Applying genomic, phylogenetic, and cytogenetic approaches, we uncovered bidirectional genome size evolution within the genus Genlisea. The Genlisea nigrocaulis Steyerm. genome (86 Mbp) has probably shrunk by retroelement silencing and deletion-biased double-strand break (DSB) repair, from an ancestral size of 400 to 800 Mbp to become one of the smallest among flowering plants. The G. hispidula Stapf genome has expanded by whole-genome duplication (WGD) and retrotransposition to 1550 Mbp. Genlisea hispidula became allotetraploid after the split from the G. nigrocaulis clade similar to 29 Ma. Genlisea pygmaea A. St.-Hil. (179 Mbp), a close relative of G. nigrocaulis, proved to be a recent (auto) tetraploid. Our analyses suggest a common ancestor of the genus Genlisea with an intermediate 1C value (400-800 Mbp) and subsequent rapid genome size evolution in opposite directions. Many abundant repeats of the larger genome are absent in the smaller, casting doubt on their functionality for the organism, while recurrent WGD seems to safeguard against the loss of essential elements in the face of genome shrinkage. We cannot identify any consistent differences in habitat or life strategy that correlate with genome size changes, raising the possibility that these changes may be selectively neutral.
ER -
VU, Giang T. H., Thomas SCHMUTZER, Fabian BULL, Hieu X. CAO, Joerg FUCHS, Trung D. TRAN, Gabriele JOVTCHEV, Klaus PISTRICK, Nils STEIN, Aleš PEČINKA, Pavel NEUMANN, Petr NOVAK, Jiří MACAS, Paul H. DEAR, Frank R. BLATTNER, Uwe SCHOLZ a Ingo SCHUBERT. Comparative Genome Analysis Reveals Divergent Genome Size Evolution in a Carnivorous Plant Genus. \textit{PLANT GENOME}. MADISON (USA): CROP SCIENCE SOC AMER, 2015, roč.~8, č.~3, s.~nestránkováno, 14 s. ISSN~1940-3372. Dostupné z: https://dx.doi.org/10.3835/plantgenome2015.04.0021.
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