@article{oai:ir.soken.ac.jp:00003513,
 author = {FAWCETT, Jeffrey A and RENSING, Stefan A and ICK, Julia and FAWCETT, Jeffrey A and LANG, Daniel and ZIMMER, Andreas and VAN DE PEER, Yves and RESKI, Ralf},
 journal = {BMC Evolutionary Biology, BMC Evolutionary Biology},
 month = {2014-03-11},
 note = {Background. Analyses of complete genomes and large collections of gene transcripts have shown that most, if not all seed plants have undergone one or more genome duplications in their evolutionary past. Results. In this study, based on a large collection of EST sequences, we provide evidence that the haploid moss Physcomitrella patens is a paleopolyploid as well. Based on the construction of linearized phylogenetic trees we infer the genome duplication to have occurred between 30 and 60 million years ago. Gene Ontology and pathway association of the duplicated genes in P. patens reveal different biases of gene retention compared with seed plants. Conclusion. Metabolic genes seem to have been retained in excess following the genome duplication in P. patens. This might, at least partly, explain the versatility of metabolism, as described for P. patens and other mosses, in comparison to other land plants.},
 title = {An ancient genome duplication contributed to the abundance of metabolic genes in the moss Physcomitrella patens},
 year = {}
}