No current evidence for widespread dosage compensation in S. cerevisiae

Previous studies of laboratory strains of budding yeast had shown that when gene copy number is altered experimentally, RNA levels generally scale accordingly. This is true when the copy number of individual genes or entire chromosomes is altered. In a recent study, Hose et al. (2015) reported that...

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Main Authors: Springer, Michael, Torres, Eduardo M., Amon, Angelika B
Other Authors: Massachusetts Institute of Technology. Department of Biology
Format: Article
Language:en_US
Published: eLife Sciences Publications, Ltd. 2016
Online Access:http://hdl.handle.net/1721.1/102626
https://orcid.org/0000-0001-9837-0314
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author Springer, Michael
Torres, Eduardo M.
Amon, Angelika B
author2 Massachusetts Institute of Technology. Department of Biology
author_facet Massachusetts Institute of Technology. Department of Biology
Springer, Michael
Torres, Eduardo M.
Amon, Angelika B
author_sort Springer, Michael
collection MIT
description Previous studies of laboratory strains of budding yeast had shown that when gene copy number is altered experimentally, RNA levels generally scale accordingly. This is true when the copy number of individual genes or entire chromosomes is altered. In a recent study, Hose et al. (2015) reported that this tight correlation between gene copy number and RNA levels is not observed in recently isolated wild Saccharomyces cerevisiae variants. To understand the origins of this proposed difference in gene expression regulation between natural variants and laboratory strains of S. cerevisiae, we evaluated the karyotype and gene expression studies performed by Hose et al. on wild S. cerevisiae strains. In contrast to the results of Hose et al., our reexamination of their data revealed a tight correlation between gene copy number and gene expression. We conclude that widespread dosage compensation occurs neither in laboratory strains nor in natural variants of S. cerevisiae.
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spelling mit-1721.1/1026262022-10-01T22:33:08Z No current evidence for widespread dosage compensation in S. cerevisiae Springer, Michael Torres, Eduardo M. Amon, Angelika B Massachusetts Institute of Technology. Department of Biology Koch Institute for Integrative Cancer Research at MIT Amon, Angelika B. Previous studies of laboratory strains of budding yeast had shown that when gene copy number is altered experimentally, RNA levels generally scale accordingly. This is true when the copy number of individual genes or entire chromosomes is altered. In a recent study, Hose et al. (2015) reported that this tight correlation between gene copy number and RNA levels is not observed in recently isolated wild Saccharomyces cerevisiae variants. To understand the origins of this proposed difference in gene expression regulation between natural variants and laboratory strains of S. cerevisiae, we evaluated the karyotype and gene expression studies performed by Hose et al. on wild S. cerevisiae strains. In contrast to the results of Hose et al., our reexamination of their data revealed a tight correlation between gene copy number and gene expression. We conclude that widespread dosage compensation occurs neither in laboratory strains nor in natural variants of S. cerevisiae. National Institutes of Health (U.S.) (GM056800) 2016-05-23T17:07:12Z 2016-05-23T17:07:12Z 2016-03 2015-08 Article http://purl.org/eprint/type/JournalArticle 2050-084X http://hdl.handle.net/1721.1/102626 Torres, Eduardo M., Michael Springer, and Angelika Amon. "No current evidence for widespread dosage compensation in S. cerevisiae." eLife 2016;5:e10996 https://orcid.org/0000-0001-9837-0314 en_US http://dx.doi.org/10.7554/eLife.10996 eLife Creative Commons Attribution http://creativecommons.org/licenses/by/4.0/ application/pdf eLife Sciences Publications, Ltd. eLife Sciences Publications, Ltd.
spellingShingle Springer, Michael
Torres, Eduardo M.
Amon, Angelika B
No current evidence for widespread dosage compensation in S. cerevisiae
title No current evidence for widespread dosage compensation in S. cerevisiae
title_full No current evidence for widespread dosage compensation in S. cerevisiae
title_fullStr No current evidence for widespread dosage compensation in S. cerevisiae
title_full_unstemmed No current evidence for widespread dosage compensation in S. cerevisiae
title_short No current evidence for widespread dosage compensation in S. cerevisiae
title_sort no current evidence for widespread dosage compensation in s cerevisiae
url http://hdl.handle.net/1721.1/102626
https://orcid.org/0000-0001-9837-0314
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