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Gene discovery in the wood-forming tissues of poplar: Analysis of 5,692 expressed sequence tags
Vise andre og tillknytning
1998 (engelsk)Inngår i: Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, E-ISSN 1091-6490, Vol. 95, nr 22, s. 13330-13335Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A rapidly growing area of genome research is the generation of expressed sequence tags (ESTs) in which large numbers of randomly selected cDNA clones are partially sequenced. The collection of ESTs reflects the level and complexity of gene expression in the sampled tissue, To date, the majority of plant ESTs are from nonwoody plants such as Arabidopsis, Brassica, maize, and rice. Here, we present a large-scale production of ESTs from the wood-forming tissues of two poplars, Populus tremula L, x tremuloides Michx, and Populus trichocarpa 'Trichobel.' The 5,692 ESTs analyzed represented a total of 3,719 unique transcripts for the two cDNA libraries, Putative functions could be assigned to 2,245 of these transcripts that corresponded to 820 protein functions. Of specific interest to forest biotechnology are the 4% of ESTs involved in various processes of cell wall formation, such as lignin and cellulose synthesis, 5% similar to developmental regulators and members of known signal transduction pathways, and 2% involved in hormone biosynthesis. An additional 12% of the ESTs show ed no significant similarity to any other DNA or protein sequences in existing databases. The absence of these sequences from public databases may indicate a specific role for these proteins in wood formation. The cDNA libraries and the accompanying database are valuable resources for forest research directed toward understanding the genetic control of wood formation and future endeavors to modify wood and fiber properties for industrial use.

sted, utgiver, år, opplag, sider
1998. Vol. 95, nr 22, s. 13330-13335
Emneord [en]
cambium, forestry, functional genomics, xylem, xylogenesis
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-24087ISI: 000076757300110OAI: oai:DiVA.org:kth-24087DiVA, id: diva2:343327
Merknad
QC 20100813Tilgjengelig fra: 2010-08-13 Laget: 2010-08-13 Sist oppdatert: 2020-01-10bibliografisk kontrollert
Inngår i avhandling
1. Sequencing of genes and genomes
Åpne denne publikasjonen i ny fane eller vindu >>Sequencing of genes and genomes
1998 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: KTH, 1998. s. 63
Emneord
DNA sequencing, genome analysis, expressed sequence tag, expression analysis, complementary DNA, biotin-capture, solid-phase technology, automation, poplar
HSV kategori
Identifikatorer
urn:nbn:se:kth:diva-2714 (URN)91-7170-315-2 (ISBN)
Disputas
1998-11-01, 00:00
Merknad
QC 20100813Tilgjengelig fra: 2000-01-01 Laget: 2000-01-01 Sist oppdatert: 2010-08-13bibliografisk kontrollert

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Sterky, FredrikHolmberg, AndersUhlen, Mathias

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Sterky, FredrikHolmberg, AndersMohammad Amini, Amini BahramUhlen, MathiasLundeberg, Joakim
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