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A Populus EST resource for plant functional genomics.

TitleA Populus EST resource for plant functional genomics.
Publication TypeJournal Article
Year of Publication2004
AuthorsSterky, F., Bhalerao R. R., Unneberg P., Segerman B., Nilsson P., Brunner A. M., Charbonnel-Campaa L., Lindvall J. J., Tandre K., Strauss S. H., Sundberg B., Gustafsson P., Uhlén M., Bhalerao R. P., Nilsson O., Sandberg G., Karlsson J., Lundeberg J., & Jansson S.
JournalProceedings of the National Academy of Sciences of the United States of America
Date Published2004 Sep 21
KeywordsEcosystem, Expressed Sequence Tags, Genome, Plant, Genomics, Humans, Phylogeny, Plant Proteins, Populus, Species Specificity

Trees present a life form of paramount importance for terrestrial ecosystems and human societies because of their ecological structure and physiological function and provision of energy and industrial materials. The genus Populus is the internationally accepted model for molecular tree biology. We have analyzed 102,019 Populus ESTs that clustered into 11,885 clusters and 12,759 singletons. We also provide >4,000 assembled full clone sequences to serve as a basis for the upcoming annotation of the Populus genome sequence. A public web-based EST database (POPULUSDB) provides digital expression profiles for 18 tissues that comprise the majority of differentiated organs. The coding content of Populus and Arabidopsis genomes shows very high similarity, indicating that differences between these annual and perennial angiosperm life forms result primarily from differences in gene regulation. The high similarity between Populus and Arabidopsis will allow studies of Populus to directly benefit from the detailed functional genomic information generated for Arabidopsis, enabling detailed insights into tree development and adaptation. These data will also valuable for functional genomic efforts in Arabidopsis.

Alternate JournalProc. Natl. Acad. Sci. U.S.A.
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