Identification and characterization of roles for Puf1 and Puf2 proteins in the yeast response to high calcium

Abstract Members of the yeast family of PUF proteins bind unique subsets of mRNA targets that encode proteins with common functions. They therefore became a paradigm for post-transcriptional gene control. To provide new insights into the roles of the seemingly redundant Puf1 and Puf2 members, we mon...

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Autores principales: Ofir Haramati, Anastasia Brodov, Idan Yelin, Avigail Atir-Lande, Nitzan Samra, Yoav Arava
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Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/9f8bca4a1bc24275acc305d13bf5a079
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spelling oai:doaj.org-article:9f8bca4a1bc24275acc305d13bf5a0792021-12-02T11:52:22ZIdentification and characterization of roles for Puf1 and Puf2 proteins in the yeast response to high calcium10.1038/s41598-017-02873-z2045-2322https://doaj.org/article/9f8bca4a1bc24275acc305d13bf5a0792017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02873-zhttps://doaj.org/toc/2045-2322Abstract Members of the yeast family of PUF proteins bind unique subsets of mRNA targets that encode proteins with common functions. They therefore became a paradigm for post-transcriptional gene control. To provide new insights into the roles of the seemingly redundant Puf1 and Puf2 members, we monitored the growth rates of their deletions under many different stress conditions. A differential effect was observed at high CaCl2 concentrations, whereby puf1Δ growth was affected much more than puf2Δ, and inhibition was exacerbated in puf1Δpuf2Δ double knockout. Transcriptome analyses upon CaCl2 application for short and long terms defined the transcriptional response to CaCl2 and revealed distinct expression changes for the deletions. Intriguingly, mRNAs known to be bound by Puf1 or Puf2 were affected mainly in the double knockout. We focused on the cell wall regulator Zeo1 and observed that puf1Δpuf2Δ fails to maintain low levels of its mRNA. Complementarily, puf1Δpuf2Δ growth defect in CaCl2 was repaired upon further deletion of the Zeo1 gene. Thus, these proteins probably regulate the cell-wall integrity pathway by regulating Zeo1 post-transcriptionally. This work sheds new light on the roles of Puf proteins during the cellular response to environmental stress.Ofir HaramatiAnastasia BrodovIdan YelinAvigail Atir-LandeNitzan SamraYoav AravaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Ofir Haramati
Anastasia Brodov
Idan Yelin
Avigail Atir-Lande
Nitzan Samra
Yoav Arava
Identification and characterization of roles for Puf1 and Puf2 proteins in the yeast response to high calcium
description Abstract Members of the yeast family of PUF proteins bind unique subsets of mRNA targets that encode proteins with common functions. They therefore became a paradigm for post-transcriptional gene control. To provide new insights into the roles of the seemingly redundant Puf1 and Puf2 members, we monitored the growth rates of their deletions under many different stress conditions. A differential effect was observed at high CaCl2 concentrations, whereby puf1Δ growth was affected much more than puf2Δ, and inhibition was exacerbated in puf1Δpuf2Δ double knockout. Transcriptome analyses upon CaCl2 application for short and long terms defined the transcriptional response to CaCl2 and revealed distinct expression changes for the deletions. Intriguingly, mRNAs known to be bound by Puf1 or Puf2 were affected mainly in the double knockout. We focused on the cell wall regulator Zeo1 and observed that puf1Δpuf2Δ fails to maintain low levels of its mRNA. Complementarily, puf1Δpuf2Δ growth defect in CaCl2 was repaired upon further deletion of the Zeo1 gene. Thus, these proteins probably regulate the cell-wall integrity pathway by regulating Zeo1 post-transcriptionally. This work sheds new light on the roles of Puf proteins during the cellular response to environmental stress.
format article
author Ofir Haramati
Anastasia Brodov
Idan Yelin
Avigail Atir-Lande
Nitzan Samra
Yoav Arava
author_facet Ofir Haramati
Anastasia Brodov
Idan Yelin
Avigail Atir-Lande
Nitzan Samra
Yoav Arava
author_sort Ofir Haramati
title Identification and characterization of roles for Puf1 and Puf2 proteins in the yeast response to high calcium
title_short Identification and characterization of roles for Puf1 and Puf2 proteins in the yeast response to high calcium
title_full Identification and characterization of roles for Puf1 and Puf2 proteins in the yeast response to high calcium
title_fullStr Identification and characterization of roles for Puf1 and Puf2 proteins in the yeast response to high calcium
title_full_unstemmed Identification and characterization of roles for Puf1 and Puf2 proteins in the yeast response to high calcium
title_sort identification and characterization of roles for puf1 and puf2 proteins in the yeast response to high calcium
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/9f8bca4a1bc24275acc305d13bf5a079
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