Abstract
Although the spatial location of genes within the nucleus has been implicated in their transcriptional status, little is known about the dynamics of gene location that accompany large-scale changes in gene expression. The mating of haploid yeast Saccharomyces cerevisiae is accompanied by a large-scale change in transcription and developmental program. We examined changes in nuclear organization that accompany stimulus by the mating pheromone α factor and found that most α-factor-induced genes become associated with components of the nuclear envelope. The myosin-like protein Mlp1, which has been implicated in mRNA export, was further shown to exhibit RNA dependence in its association with α-factor-induced genes. High-resolution mapping of association of chromosome III with Mlp1 revealed α-factor-dependent determinants of nuclear pore association, including origins of replication, specific intergenic regions, and the 3′ ends of transcriptionally activated genes. Taken together, these results reveal RNA- and DNA-dependent determinants of nuclear organization as well as a detailed picture of how an entire chromosome alters its spatial conformation in response to a developmental cue.
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Dates
Type | When |
---|---|
Created | 20 years, 3 months ago (May 19, 2005, 2:19 p.m.) |
Deposited | 3 years, 9 months ago (Nov. 16, 2021, 10:28 a.m.) |
Indexed | 3 weeks, 2 days ago (Aug. 7, 2025, 4:39 p.m.) |
Issued | 20 years, 3 months ago (May 15, 2005) |
Published | 20 years, 3 months ago (May 15, 2005) |
Published Online | 20 years, 3 months ago (May 19, 2005) |
Published Print | 20 years, 3 months ago (May 15, 2005) |
@article{Casolari_2005, title={Developmentally induced changes in transcriptional program alter spatial organization across chromosomes}, volume={19}, ISSN={1549-5477}, url={http://dx.doi.org/10.1101/gad.1307205}, DOI={10.1101/gad.1307205}, number={10}, journal={Genes & Development}, publisher={Cold Spring Harbor Laboratory}, author={Casolari, Jason M. and Brown, Christopher R. and Drubin, David A. and Rando, Oliver J. and Silver, Pamela A.}, year={2005}, month=may, pages={1188–1198} }