Heavy metal sensitivities of gene deletion strains for ITT1 and RPS1A connect their activities to the expression of URE2, a key gene involved in metal detoxification in yeast.
Heavy metal and metalloid contaminations are among the most concerning types of pollutant in the environment. Consequently, it is important to investigate the molecular mechanisms of cellular responses and detoxification pathways for these compounds in living organisms. To date, a number of genes ha...
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| Format: | Article |
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Public Library of Science (PLoS)
2018-01-01
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| Series: | PLoS ONE |
| Online Access: | http://europepmc.org/articles/PMC6145592?pdf=render |
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| author | Houman Moteshareie Maryam Hajikarimlou Alex Mulet Indrayanti Daniel Burnside Ana Paula Dias Clara Lettl Duale Ahmed Katayoun Omidi Tom Kazmirchuk Nathalie Puchacz Narges Zare Sarah Takallou Thet Naing Raúl Bonne Hernández William G Willmore Mohan Babu Bruce McKay Bahram Samanfar Martin Holcik Ashkan Golshani |
| author_facet | Houman Moteshareie Maryam Hajikarimlou Alex Mulet Indrayanti Daniel Burnside Ana Paula Dias Clara Lettl Duale Ahmed Katayoun Omidi Tom Kazmirchuk Nathalie Puchacz Narges Zare Sarah Takallou Thet Naing Raúl Bonne Hernández William G Willmore Mohan Babu Bruce McKay Bahram Samanfar Martin Holcik Ashkan Golshani |
| author_sort | Houman Moteshareie |
| collection | DOAJ |
| description | Heavy metal and metalloid contaminations are among the most concerning types of pollutant in the environment. Consequently, it is important to investigate the molecular mechanisms of cellular responses and detoxification pathways for these compounds in living organisms. To date, a number of genes have been linked to the detoxification process. The expression of these genes can be controlled at both transcriptional and translational levels. In baker's yeast, Saccharomyces cerevisiae, resistance to a wide range of toxic metals is regulated by glutathione S-transferases. Yeast URE2 encodes for a protein that has glutathione peroxidase activity and is homologous to mammalian glutathione S-transferases. The URE2 expression is critical to cell survival under heavy metal stress. Here, we report on the finding of two genes, ITT1, an inhibitor of translation termination, and RPS1A, a small ribosomal protein, that when deleted yeast cells exhibit similar metal sensitivity phenotypes to gene deletion strain for URE2. Neither of these genes were previously linked to metal toxicity. Our gene expression analysis illustrates that these two genes affect URE2 mRNA expression at the level of translation. |
| first_indexed | 2024-12-10T21:23:41Z |
| format | Article |
| id | doaj.art-3a5ff0093d334ed58ab379f31d1505ca |
| institution | Directory Open Access Journal |
| issn | 1932-6203 |
| language | English |
| last_indexed | 2024-12-10T21:23:41Z |
| publishDate | 2018-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj.art-3a5ff0093d334ed58ab379f31d1505ca2022-12-22T01:33:03ZengPublic Library of Science (PLoS)PLoS ONE1932-62032018-01-01139e019870410.1371/journal.pone.0198704Heavy metal sensitivities of gene deletion strains for ITT1 and RPS1A connect their activities to the expression of URE2, a key gene involved in metal detoxification in yeast.Houman MoteshareieMaryam HajikarimlouAlex Mulet IndrayantiDaniel BurnsideAna Paula DiasClara LettlDuale AhmedKatayoun OmidiTom KazmirchukNathalie PuchaczNarges ZareSarah TakallouThet NaingRaúl Bonne HernándezWilliam G WillmoreMohan BabuBruce McKayBahram SamanfarMartin HolcikAshkan GolshaniHeavy metal and metalloid contaminations are among the most concerning types of pollutant in the environment. Consequently, it is important to investigate the molecular mechanisms of cellular responses and detoxification pathways for these compounds in living organisms. To date, a number of genes have been linked to the detoxification process. The expression of these genes can be controlled at both transcriptional and translational levels. In baker's yeast, Saccharomyces cerevisiae, resistance to a wide range of toxic metals is regulated by glutathione S-transferases. Yeast URE2 encodes for a protein that has glutathione peroxidase activity and is homologous to mammalian glutathione S-transferases. The URE2 expression is critical to cell survival under heavy metal stress. Here, we report on the finding of two genes, ITT1, an inhibitor of translation termination, and RPS1A, a small ribosomal protein, that when deleted yeast cells exhibit similar metal sensitivity phenotypes to gene deletion strain for URE2. Neither of these genes were previously linked to metal toxicity. Our gene expression analysis illustrates that these two genes affect URE2 mRNA expression at the level of translation.http://europepmc.org/articles/PMC6145592?pdf=render |
| spellingShingle | Houman Moteshareie Maryam Hajikarimlou Alex Mulet Indrayanti Daniel Burnside Ana Paula Dias Clara Lettl Duale Ahmed Katayoun Omidi Tom Kazmirchuk Nathalie Puchacz Narges Zare Sarah Takallou Thet Naing Raúl Bonne Hernández William G Willmore Mohan Babu Bruce McKay Bahram Samanfar Martin Holcik Ashkan Golshani Heavy metal sensitivities of gene deletion strains for ITT1 and RPS1A connect their activities to the expression of URE2, a key gene involved in metal detoxification in yeast. PLoS ONE |
| title | Heavy metal sensitivities of gene deletion strains for ITT1 and RPS1A connect their activities to the expression of URE2, a key gene involved in metal detoxification in yeast. |
| title_full | Heavy metal sensitivities of gene deletion strains for ITT1 and RPS1A connect their activities to the expression of URE2, a key gene involved in metal detoxification in yeast. |
| title_fullStr | Heavy metal sensitivities of gene deletion strains for ITT1 and RPS1A connect their activities to the expression of URE2, a key gene involved in metal detoxification in yeast. |
| title_full_unstemmed | Heavy metal sensitivities of gene deletion strains for ITT1 and RPS1A connect their activities to the expression of URE2, a key gene involved in metal detoxification in yeast. |
| title_short | Heavy metal sensitivities of gene deletion strains for ITT1 and RPS1A connect their activities to the expression of URE2, a key gene involved in metal detoxification in yeast. |
| title_sort | heavy metal sensitivities of gene deletion strains for itt1 and rps1a connect their activities to the expression of ure2 a key gene involved in metal detoxification in yeast |
| url | http://europepmc.org/articles/PMC6145592?pdf=render |
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