EST data suggest that poplar is an ancient polyploid. Sterck, L., Rombauts, S., Jansson, S., Sterky, F., Rouzé, P., & Peer, Y. V. d. New Phytologist, 167(1):165–170, 2005. _eprint: https://nph.onlinelibrary.wiley.com/doi/pdf/10.1111/j.1469-8137.2005.01378.x![EST data suggest that poplar is an ancient polyploid [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex • We analysed the publicly available expressed sequence tag (EST) collections for the genus Populus to examine whether evidence can be found for large-scale gene-duplication events in the evolutionary past of this genus. • The ESTs were clustered into unigenes for each poplar species examined. Gene families were constructed for all proteins deduced from these unigenes, and KS dating was performed on all paralogs within a gene family. The fraction of paralogs was then plotted against the KS values, which resulted in a distribution reflecting the age of duplicated genes in poplar. • Sufficient EST data were available for seven different poplar species spanning four of the six sections of the genus Populus. For all these species, there was evidence that a large-scale gene-duplication event had occurred. • From our analysis it is clear that all poplar species have shared the same large-scale gene-duplication event, suggesting that this event must have occurred in the ancestor of poplar, or at least very early in the evolution of the Populus genus.
@article{sterck_est_2005,
title = {{EST} data suggest that poplar is an ancient polyploid},
volume = {167},
issn = {1469-8137},
url = {https://nph.onlinelibrary.wiley.com/doi/abs/10.1111/j.1469-8137.2005.01378.x},
doi = {10/c6wh5d},
abstract = {• We analysed the publicly available expressed sequence tag (EST) collections for the genus Populus to examine whether evidence can be found for large-scale gene-duplication events in the evolutionary past of this genus. • The ESTs were clustered into unigenes for each poplar species examined. Gene families were constructed for all proteins deduced from these unigenes, and KS dating was performed on all paralogs within a gene family. The fraction of paralogs was then plotted against the KS values, which resulted in a distribution reflecting the age of duplicated genes in poplar. • Sufficient EST data were available for seven different poplar species spanning four of the six sections of the genus Populus. For all these species, there was evidence that a large-scale gene-duplication event had occurred. • From our analysis it is clear that all poplar species have shared the same large-scale gene-duplication event, suggesting that this event must have occurred in the ancestor of poplar, or at least very early in the evolution of the Populus genus.},
language = {en},
number = {1},
urldate = {2021-06-11},
journal = {New Phytologist},
author = {Sterck, Lieven and Rombauts, Stephane and Jansson, Stefan and Sterky, Fredrik and Rouzé, Pierre and Peer, Yves Van de},
year = {2005},
note = {\_eprint: https://nph.onlinelibrary.wiley.com/doi/pdf/10.1111/j.1469-8137.2005.01378.x},
keywords = {EST (expressed sequence tag) data, KS dating, Populus (poplar), evolution, fossil record, genome duplication, polyploidy},
pages = {165--170},
}
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The fraction of paralogs was then plotted against the KS values, which resulted in a distribution reflecting the age of duplicated genes in poplar. • Sufficient EST data were available for seven different poplar species spanning four of the six sections of the genus Populus. For all these species, there was evidence that a large-scale gene-duplication event had occurred. • From our analysis it is clear that all poplar species have shared the same large-scale gene-duplication event, suggesting that this event must have occurred in the ancestor of poplar, or at least very early in the evolution of the Populus genus.","language":"en","number":"1","urldate":"2021-06-11","journal":"New Phytologist","author":[{"propositions":[],"lastnames":["Sterck"],"firstnames":["Lieven"],"suffixes":[]},{"propositions":[],"lastnames":["Rombauts"],"firstnames":["Stephane"],"suffixes":[]},{"propositions":[],"lastnames":["Jansson"],"firstnames":["Stefan"],"suffixes":[]},{"propositions":[],"lastnames":["Sterky"],"firstnames":["Fredrik"],"suffixes":[]},{"propositions":[],"lastnames":["Rouzé"],"firstnames":["Pierre"],"suffixes":[]},{"propositions":[],"lastnames":["Peer"],"firstnames":["Yves","Van","de"],"suffixes":[]}],"year":"2005","note":"_eprint: https://nph.onlinelibrary.wiley.com/doi/pdf/10.1111/j.1469-8137.2005.01378.x","keywords":"EST (expressed sequence tag) data, KS dating, Populus (poplar), evolution, fossil record, genome duplication, polyploidy","pages":"165–170","bibtex":"@article{sterck_est_2005,\n\ttitle = {{EST} data suggest that poplar is an ancient polyploid},\n\tvolume = {167},\n\tissn = {1469-8137},\n\turl = {https://nph.onlinelibrary.wiley.com/doi/abs/10.1111/j.1469-8137.2005.01378.x},\n\tdoi = {10/c6wh5d},\n\tabstract = {• We analysed the publicly available expressed sequence tag (EST) collections for the genus Populus to examine whether evidence can be found for large-scale gene-duplication events in the evolutionary past of this genus. • The ESTs were clustered into unigenes for each poplar species examined. 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