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Lamas-Maceiras M, Vizoso-Vázquez Á, Barreiro-Alonso A, Cámara-Quílez M, Cerdán ME. Thanksgiving to Yeast, the HMGB Proteins History from Yeast to Cancer. Microorganisms 2023; 11:microorganisms11040993. [PMID: 37110415 PMCID: PMC10142021 DOI: 10.3390/microorganisms11040993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/03/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
Yeasts have been a part of human life since ancient times in the fermentation of many natural products used for food. In addition, in the 20th century, they became powerful tools to elucidate the functions of eukaryotic cells as soon as the techniques of molecular biology developed. Our molecular understandings of metabolism, cellular transport, DNA repair, gene expression and regulation, and the cell division cycle have all been obtained through biochemistry and genetic analysis using different yeasts. In this review, we summarize the role that yeasts have had in biological discoveries, the use of yeasts as biological tools, as well as past and on-going research projects on HMGB proteins along the way from yeast to cancer.
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Affiliation(s)
- Mónica Lamas-Maceiras
- Centro Interdisciplinar de Química y Biología (CICA), As Carballeiras, s/n, Campus de Elviña, Universidade da Coruña, 15071 A Coruña, Spain
- Instituto de Investigación Biomédica de A Coruña (INIBIC), As Xubias de Arriba 84, 15006 A Coruña, Spain
- Facultad de Ciencias, A Fraga, s/n, Campus de A Zapateira, Universidade da Coruña, 15071 A Coruña, Spain
| | - Ángel Vizoso-Vázquez
- Centro Interdisciplinar de Química y Biología (CICA), As Carballeiras, s/n, Campus de Elviña, Universidade da Coruña, 15071 A Coruña, Spain
- Instituto de Investigación Biomédica de A Coruña (INIBIC), As Xubias de Arriba 84, 15006 A Coruña, Spain
- Facultad de Ciencias, A Fraga, s/n, Campus de A Zapateira, Universidade da Coruña, 15071 A Coruña, Spain
| | - Aida Barreiro-Alonso
- Centro Interdisciplinar de Química y Biología (CICA), As Carballeiras, s/n, Campus de Elviña, Universidade da Coruña, 15071 A Coruña, Spain
- Instituto de Investigación Biomédica de A Coruña (INIBIC), As Xubias de Arriba 84, 15006 A Coruña, Spain
- Facultad de Ciencias, A Fraga, s/n, Campus de A Zapateira, Universidade da Coruña, 15071 A Coruña, Spain
| | - María Cámara-Quílez
- Centro Interdisciplinar de Química y Biología (CICA), As Carballeiras, s/n, Campus de Elviña, Universidade da Coruña, 15071 A Coruña, Spain
- Instituto de Investigación Biomédica de A Coruña (INIBIC), As Xubias de Arriba 84, 15006 A Coruña, Spain
- Facultad de Ciencias, A Fraga, s/n, Campus de A Zapateira, Universidade da Coruña, 15071 A Coruña, Spain
| | - María Esperanza Cerdán
- Centro Interdisciplinar de Química y Biología (CICA), As Carballeiras, s/n, Campus de Elviña, Universidade da Coruña, 15071 A Coruña, Spain
- Instituto de Investigación Biomédica de A Coruña (INIBIC), As Xubias de Arriba 84, 15006 A Coruña, Spain
- Facultad de Ciencias, A Fraga, s/n, Campus de A Zapateira, Universidade da Coruña, 15071 A Coruña, Spain
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Sato M, Irie K, Suda Y, Mizuno T, Irie K. The RNA-binding protein Puf5 and the HMGB protein Ixr1 contribute to cell cycle progression through the regulation of cell cycle-specific expression of CLB1 in Saccharomyces cerevisiae. PLoS Genet 2022; 18:e1010340. [PMID: 35905103 PMCID: PMC9365169 DOI: 10.1371/journal.pgen.1010340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 08/10/2022] [Accepted: 07/14/2022] [Indexed: 11/18/2022] Open
Abstract
Puf5, a Puf-family RNA-binding protein, binds to 3´ untranslated region of target mRNAs and negatively regulates their expression in Saccharomyces cerevisiae. The puf5Δ mutant shows pleiotropic phenotypes including a weakened cell wall, a temperature-sensitive growth, and a shorter lifespan. To further analyze a role of Puf5 in cell growth, we searched for a multicopy suppressor of the temperature-sensitive growth of the puf5Δ mutant in this study. We found that overexpression of CLB2 encoding B-type cyclin suppressed the temperature-sensitive growth of the puf5Δ mutant. The puf5Δ clb2Δ double mutant displayed a severe growth defect, suggesting that Puf5 positively regulates the expression of a redundant factor with Clb2 in cell cycle progression. We found that expression of CLB1 encoding a redundant B-type cyclin was decreased in the puf5Δ mutant, and that this decrease of the CLB1 expression contributed to the growth defect of the puf5Δ clb2Δ double mutant. Since Puf5 is a negative regulator of the gene expression, we hypothesized that Puf5 negatively regulates the expression of a factor that represses CLB1 expression. We found such a repressor, Ixr1, which is an HMGB (High Mobility Group box B) protein. Deletion of IXR1 restored the decreased expression of CLB1 caused by the puf5Δ mutation and suppressed the growth defect of the puf5Δ clb2Δ double mutant. The expression of IXR1 was negatively regulated by Puf5 in an IXR1 3´ UTR-dependent manner. Our results suggest that IXR1 mRNA is a physiologically important target of Puf5, and that Puf5 and Ixr1 contribute to the cell cycle progression through the regulation of the cell cycle-specific expression of CLB1.
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Affiliation(s)
- Megumi Sato
- Colledge of Medicine, School of Medicine and Health Sciences, University of Tsukuba, Tsukuba, Japan
- Department of Molecular Cell Biology, Graduate School of Comprehensive Human Sciences and Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Kaoru Irie
- Department of Molecular Cell Biology, Graduate School of Comprehensive Human Sciences and Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Yasuyuki Suda
- Department of Molecular Cell Biology, Graduate School of Comprehensive Human Sciences and Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
- Live Cell Super-resolution Imaging Research Team, RIKEN Center for Advanced Photonics, Wako, Saitama, Japan
| | - Tomoaki Mizuno
- Department of Molecular Cell Biology, Graduate School of Comprehensive Human Sciences and Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Kenji Irie
- Colledge of Medicine, School of Medicine and Health Sciences, University of Tsukuba, Tsukuba, Japan
- Department of Molecular Cell Biology, Graduate School of Comprehensive Human Sciences and Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
- * E-mail:
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Rico-Díaz A, Barreiro-Alonso A, Rey-Souto C, Becerra M, Lamas-Maceiras M, Cerdán ME, Vizoso-Vázquez Á. The HMGB Protein KlIxr1, a DNA Binding Regulator of Kluyveromyces lactis Gene Expression Involved in Oxidative Metabolism, Growth, and dNTP Synthesis. Biomolecules 2021; 11:biom11091392. [PMID: 34572607 PMCID: PMC8465852 DOI: 10.3390/biom11091392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 09/10/2021] [Accepted: 09/16/2021] [Indexed: 12/15/2022] Open
Abstract
In the traditional fermentative model yeast Saccharomyces cerevisiae, ScIxr1 is an HMGB (High Mobility Group box B) protein that has been considered as an important regulator of gene transcription in response to external changes like oxygen, carbon source, or nutrient availability. Kluyveromyces lactis is also a useful eukaryotic model, more similar to many human cells due to its respiratory metabolism. We cloned and functionally characterized by different methodologies KlIXR1, which encodes a protein with only 34.4% amino acid sequence similarity to ScIxr1. Our data indicate that both proteins share common functions, including their involvement in the response to hypoxia or oxidative stress induced by hydrogen peroxide or metal treatments, as well as in the control of key regulators for maintenance of the dNTP (deoxyribonucleotide triphosphate) pool and ribosome synthesis. KlIxr1 is able to bind specific regulatory DNA sequences in the promoter of its target genes, which are well conserved between S. cerevisiae and K. lactis. Oppositely, we found important differences between ScIrx1 and KlIxr1 affecting cellular responses to cisplatin or cycloheximide in these yeasts, which could be dependent on specific and non-conserved domains present in these two proteins.
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Barreiro-Alonso A, Lamas-Maceiras M, Cerdán EM, Vizoso-Vázquez Á. The HMGB protein Ixr1 interacts with Ssn8 and Tdh3 involved in transcriptional regulation. FEMS Yeast Res 2019; 18:4847888. [PMID: 29438513 DOI: 10.1093/femsyr/foy013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 02/07/2018] [Indexed: 12/18/2022] Open
Abstract
Ixr1 is a Saccharomyces cerevisiae transcriptional factor that extensively regulates the response to hypoxia and controls other important cellular functions and DNA repair. During aerobic growth, the Ixr1 repressor function is predominant on regulated promoters of hypoxic genes, although activator effects are also observed on other genes. During hypoxia, Ixr1 expression increases and the number of genes activated by Ixr1 also increase. In this work we demonstrate that the NH2-terminal region of Ixr1 is involved in transcriptional activation. We also present the first analysis about Ixr1 interactions with three factors that have been previously identified as important players in the yeast hypoxic response, Cyc8, Tup1 and Ssn8; results demonstrate that only Ssn8 binds to Ixr1. We have also looked for other Ixr1-binding proteins associated with transcriptional regulation, by co-purification and mass spectrometry identification. Tdh3, a protein involved in transcriptional silencing, is among the new identified Ixr1-binding proteins. Differential phosphorylation of Ixr1 is found when comparing aerobic and hypoxic yeast growth. Implication of these results in transcriptional regulation mediated by Ixr1 is discussed.
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Affiliation(s)
- Aida Barreiro-Alonso
- EXPRELA Group, Departamento de Bioloxía, Centro de Investigacións Científicas Avanzadas (CICA), Facultade de Ciencias, Universidade da Coruña, Campus de A Zapateira, 15071, A Coruña 15001, Spain
| | - Mónica Lamas-Maceiras
- EXPRELA Group, Departamento de Bioloxía, Centro de Investigacións Científicas Avanzadas (CICA), Facultade de Ciencias, Universidade da Coruña, Campus de A Zapateira, 15071, A Coruña 15001, Spain
| | - Esperanza M Cerdán
- EXPRELA Group, Departamento de Bioloxía, Centro de Investigacións Científicas Avanzadas (CICA), Facultade de Ciencias, Universidade da Coruña, Campus de A Zapateira, 15071, A Coruña 15001, Spain
| | - Ángel Vizoso-Vázquez
- EXPRELA Group, Departamento de Bioloxía, Centro de Investigacións Científicas Avanzadas (CICA), Facultade de Ciencias, Universidade da Coruña, Campus de A Zapateira, 15071, A Coruña 15001, Spain
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HMGB proteins involved in TOR signaling as general regulators of cell growth by controlling ribosome biogenesis. Curr Genet 2018; 64:1205-1213. [PMID: 29713761 DOI: 10.1007/s00294-018-0842-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 04/21/2018] [Accepted: 04/24/2018] [Indexed: 12/14/2022]
Abstract
The number of ribosomes and their activity need to be highly regulated because their function is crucial for the cell. Ribosome biogenesis is necessary for cell growth and proliferation in accordance with nutrient availability and other external and intracellular signals. High-mobility group B (HMGB) proteins are conserved from yeasts to human and are decisive in cellular fate. These proteins play critical functions, from the maintenance of chromatin structure, DNA repair, or transcriptional regulation, to facilitation of ribosome biogenesis. They are also involved in cancer and other pathologies. In this review, we summarize evidence of how HMGB proteins contribute to ribosome-biogenesis control, with special emphasis on a common nexus to the target of rapamycin (TOR) pathway, a signaling cascade essential for cell growth and proliferation from yeast to human. Perspectives in this field are also discussed.
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Vizoso-Vázquez Á, Lamas-Maceiras M, González-Siso MI, Cerdán ME. Ixr1 Regulates Ribosomal Gene Transcription and Yeast Response to Cisplatin. Sci Rep 2018; 8:3090. [PMID: 29449612 PMCID: PMC5814428 DOI: 10.1038/s41598-018-21439-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 01/30/2018] [Indexed: 11/22/2022] Open
Abstract
Ixr1 is a Saccharomyces cerevisiae HMGB protein that regulates the hypoxic regulon and also controls the expression of other genes involved in the oxidative stress response or re-adaptation of catabolic and anabolic fluxes when oxygen is limiting. Ixr1 also binds with high affinity to cisplatin-DNA adducts and modulates DNA repair. The influence of Ixr1 on transcription in the absence or presence of cisplatin has been analyzed in this work. Ixr1 regulates other transcriptional factors that respond to nutrient availability or extracellular and intracellular stress stimuli, some controlled by the TOR pathway and PKA signaling. Ixr1 controls transcription of ribosomal RNAs and genes encoding ribosomal proteins or involved in ribosome assembly. qPCR, ChIP, and 18S and 25S rRNAs measurement have confirmed this function. Ixr1 binds directly to several promoters of genes related to rRNA transcription and ribosome biogenesis. Cisplatin treatment mimics the effect of IXR1 deletion on rRNA and ribosomal gene transcription, and prevents Ixr1 binding to specific promoters related to these processes.
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Affiliation(s)
- Ángel Vizoso-Vázquez
- Universidade da Coruña, Grupo EXPRELA, Centro de Investigacións Científicas Avanzadas (CICA), Facultade de Ciencias, 15071 A, Coruña, Spain
| | - Mónica Lamas-Maceiras
- Universidade da Coruña, Grupo EXPRELA, Centro de Investigacións Científicas Avanzadas (CICA), Facultade de Ciencias, 15071 A, Coruña, Spain
| | - M Isabel González-Siso
- Universidade da Coruña, Grupo EXPRELA, Centro de Investigacións Científicas Avanzadas (CICA), Facultade de Ciencias, 15071 A, Coruña, Spain
| | - M Esperanza Cerdán
- Universidade da Coruña, Grupo EXPRELA, Centro de Investigacións Científicas Avanzadas (CICA), Facultade de Ciencias, 15071 A, Coruña, Spain.
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