During transcription, proteins assemble sequentially with nascent RNA to generate a messenger ribonucleoprotein particle (mRNP). The THO complex and its associated Sub2p helicase are functionally implicated in both transcription and mRNP biogenesis but their precise function remains elusive. We show here that THO/Sub2p mutation leads to the accumulation of a stalled intermediate in mRNP biogenesis that contains nuclear pore components and polyadenylation factors in association with chromatin. Microarray analyses of genomic loci that are aberrantly docked to the nuclear pore in mutants allowed the identification of approximately 400 novel validated target genes that require THO /Sub2p for efficient expression. Our data strongly suggests that the THO complex/Sub2p function is required to coordinate events leading to the acquisition of export competence at a step that follows commitment to 3'-processing.
Pharmacology, Toxicology and Pharmaceutical Science
1
<1%
Other
6
4%
Unknown
19
13%
Attention Score in Context
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 23 February 2009.
All research outputs
#17,286,379
of 25,374,647 outputs
Outputs from Cell
#16,207
of 17,168 outputs
Outputs of similar age
#86,879
of 101,351 outputs
Outputs of similar age from Cell
#88
of 100 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
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