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Beaudreau N, Page TM, Drolet D, McKindsey CW, Howland KL, Calosi P. Using a metabolomics approach to investigate the sensitivity of a potential Arctic-invader and its Arctic sister-species to marine heatwaves and traditional harvesting disturbances. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170167. [PMID: 38242480 DOI: 10.1016/j.scitotenv.2024.170167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 12/21/2023] [Accepted: 01/12/2024] [Indexed: 01/21/2024]
Abstract
Coastal species are threatened by fishing practices and changing environmental conditions, such as marine heatwaves (MHW). The mechanisms that confer tolerance to such stressors in marine invertebrates are poorly understood. However, differences in tolerance among different species may be attributed to their geographical distribution. To test the tolerance of species occupying different thermal ranges, we used two closely related bivalves the softshell clam Mya arenaria (Linnaeus, 1758), a cold-temperate invader with demonstrated potential for establishment in the Arctic, and the blunt gaper Mya truncata (Linnaeus, 1758), a native polar species. Clams were subjected to a thermal stress, mimicking a MHW, and harvesting stress in a controlled environment. Seven acute temperature changes (2, 7, 12, 17, 22, 27, and 32 °C) were tested at two harvesting disturbance intensities (with, without). Survival was measured after 12 days and three tissues (gills, mantle, and posterior adductor muscle) collected from surviving individuals for targeted metabolomic profiling. MHW tolerance differed significantly between species: 26.9 °C for M. arenaria and 17.8 °C for M. truncata, with a negligeable effect of harvesting. At the upper thermal limit, M. arenaria displayed a more profound metabolomic remodelling when compared to M. truncata, and this varied greatly between tissue types. Network analysis revealed differences in pathway utilization at the upper MHW limit, with M. arenaria displaying a greater reliance on multiple DNA repair and expression and cell signalling pathways, while M. truncata was limited to fewer pathways. This suggests that M. truncata is ill equipped to cope with warming environments. MHW patterning in the Northwest Atlantic may be a strong predictor of population survival and future range shifts in these two clam species. As polar environments undergo faster rates of warming compared to the global average, M. truncata may be outcompeted by M. arenaria expanding into its native range.
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Affiliation(s)
- Nicholas Beaudreau
- Laboratoire de Physiologie Écologique et Évolutive Marine, Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, Rimouski, Québec, Canada
| | - Tessa M Page
- Laboratoire de Physiologie Écologique et Évolutive Marine, Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, Rimouski, Québec, Canada
| | - David Drolet
- Fisheries and Oceans Canada, Demersal and Benthic Science Branch, Institut Maurice-Lamontagne, Mont-Joli, Québec, Canada
| | - Christopher W McKindsey
- Fisheries and Oceans Canada, Demersal and Benthic Science Branch, Institut Maurice-Lamontagne, Mont-Joli, Québec, Canada
| | - Kimberly L Howland
- Fisheries and Oceans Canada, Arctic and Aquatic Research Division, Freshwater Institute, Winnipeg, Manitoba, Canada
| | - Piero Calosi
- Laboratoire de Physiologie Écologique et Évolutive Marine, Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, Rimouski, Québec, Canada.
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Vörösházi J, Mackei M, Sebők C, Tráj P, Márton RA, Horváth DG, Huber K, Neogrády Z, Mátis G. Investigation of the effects of T-2 toxin in chicken-derived three-dimensional hepatic cell cultures. Sci Rep 2024; 14:1195. [PMID: 38216675 PMCID: PMC10786837 DOI: 10.1038/s41598-024-51689-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 01/08/2024] [Indexed: 01/14/2024] Open
Abstract
Despite being one of the most common contaminants of poultry feed, the molecular effects of T-2 toxin on the liver of the exposed animals are still not fully elucidated. To gain more accurate understanding, the effects of T-2 toxin were investigated in the present study in chicken-derived three-dimensional (3D) primary hepatic cell cultures. 3D spheroids were treated with three concentrations (100, 500, 1000 nM) of T-2 toxin for 24 h. Cellular metabolic activity declined in all treated groups as reflected by the Cell Counting Kit-8 assay, while extracellular lactate dehydrogenase activity was increased after 500 nM T-2 toxin exposure. The levels of oxidative stress markers malondialdehyde and protein carbonyl were reduced by the toxin, suggesting effective antioxidant compensatory mechanisms of the liver. Concerning the pro-inflammatory cytokines, IL-6 concentration was decreased, while IL-8 concentration was increased by 100 nM T-2 toxin exposure, indicating the multifaceted immunomodulatory action of the toxin. Further, the metabolic profile of hepatic spheroids was also modulated, confirming the altered lipid and amino acid metabolism of toxin-exposed liver cells. Based on these results, T-2 toxin affected cell viability, hepatocellular metabolism and inflammatory response, likely carried out its toxic effects by affecting the oxidative homeostasis of the cells.
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Affiliation(s)
- Júlia Vörösházi
- Division of Biochemistry, Department of Physiology and Biochemistry, University of Veterinary Medicine, Budapest, 1078, Hungary.
| | - Máté Mackei
- Division of Biochemistry, Department of Physiology and Biochemistry, University of Veterinary Medicine, Budapest, 1078, Hungary
- National Laboratory of Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, University of Veterinary Medicine, Budapest, 1078, Hungary
| | - Csilla Sebők
- Division of Biochemistry, Department of Physiology and Biochemistry, University of Veterinary Medicine, Budapest, 1078, Hungary
| | - Patrik Tráj
- Division of Biochemistry, Department of Physiology and Biochemistry, University of Veterinary Medicine, Budapest, 1078, Hungary
| | - Rege Anna Márton
- Division of Biochemistry, Department of Physiology and Biochemistry, University of Veterinary Medicine, Budapest, 1078, Hungary
- National Laboratory of Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, University of Veterinary Medicine, Budapest, 1078, Hungary
| | - Dávid Géza Horváth
- Department of Pathology, University of Veterinary Medicine, Budapest, 1078, Hungary
| | - Korinna Huber
- Institute of Animal Science, University of Hohenheim, 70599, Stuttgart, Germany
| | - Zsuzsanna Neogrády
- Division of Biochemistry, Department of Physiology and Biochemistry, University of Veterinary Medicine, Budapest, 1078, Hungary
| | - Gábor Mátis
- Division of Biochemistry, Department of Physiology and Biochemistry, University of Veterinary Medicine, Budapest, 1078, Hungary
- National Laboratory of Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, University of Veterinary Medicine, Budapest, 1078, Hungary
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Zhao Y, Zhao Y, Fu R, Zhang T, Li J, Zhang J. Transcriptomic and metabolomic profiling of a Rhodotorula color mutant to improve its lipid productivity in fed-batch fermentation. World J Microbiol Biotechnol 2021; 37:77. [PMID: 33792794 DOI: 10.1007/s11274-021-03043-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 03/19/2021] [Indexed: 11/24/2022]
Abstract
Lipids produced by oleaginous microorganisms enrich the supply of feedstock for bio-fuel. In this study, a mutant (Mut) obtained by UV-nitrosoguanidine mutagenesis turned its colony color from orange-red to light-yellow and showed higher lipid productivity at 37 °C than the original strain Rhodotorula sp. U13N3 (Rht) in the glycerol medium. The metabolic changes between Mut and Rht in batch fermentation were investigated by transcriptomic and metabolomic profiling at the biomass accumulation (30 h) and lipid production (96 h) stages. The average base number in each strain was 5.80 × 109 ± 0.38 × 109 bp (mean ± SD) with 62.43% ± 0.13% GC ratio, and 7499 unigenes were assembled after Illumina sequencing. Moreover, 33 metabolites were quantified by 1H NMR-based profiling. The multi-omics results demonstrated that Mut showed increased glycerol transport and utilization capabilities especially at the first stage (30 h). Then the carbon flux shifted from the TCA cycle to lipid production (96 h). The increased lipid productivity of Mut was partially attributed to the down-regulation of mannitol biosynthesis. However, the mechanism for color change was elusive. At 96 h, the low level of cytosol glycerol probably restricted the lipid production. As a result, supplementation of glycerol in fed-batch fermentation remarkably improved the biomass, lipid production, and lipid content to 34.60 g/L, 25.72 g/L, and 74.3% (w/w dcw), respectively. The cell morphology implied that excessively prolonging the fermentation time was detrimental to the final lipid yield due to cell breakage. In conclusion, the Rhodotorula mutant provided a candidate strain for lipid production with glycerol as the carbon source.
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Affiliation(s)
- Yihan Zhao
- Center for Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
| | - Yu Zhao
- Center for Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
| | - Renjie Fu
- Center for Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
| | - Tao Zhang
- Center for Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
| | - Jing Li
- Center for Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China. .,School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China.
| | - Jianfa Zhang
- Center for Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China.,School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
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Abu Almaaty AH, Mosaad RM, Hassan MK, Ali EHA, Mahmoud GA, Ahmed H, Anber N, Alkahtani S, Abdel-Daim MM, Aleya L, Hammad S. Urtica dioica extracts abolish scopolamine-induced neuropathies in rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:18134-18145. [PMID: 33405105 DOI: 10.1007/s11356-020-12025-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 12/08/2020] [Indexed: 06/12/2023]
Abstract
Alzheimer's disease (AD) is characterized by alterations in monoamines, oxidative stress, and metabolic dysfunctions. We aim to assess the therapeutic impacts of roots or leaf extract from Urtica dioica (UD; stinging nettle) against scopolamine (SCOP)-induced memory dysfunction, amnesia, and oxidative stress in rats. Spatial memory was assessed by Y maze test. Tissue analyses of norepinephrine (NE), dopamine (DA), serotonin (5-HT), malondialdehyde (MDA), nitric oxide (NO), glutathione (GSH, GSSG), AMP, ADP, and ATP were assessed by HPLC. mRNA levels of Tau and Hsp70 were estimated by PCR. UD extracts particularly nettle root (NR) significantly normalized the SCOP-induced memory deficits even more potent than sermion (SR) and donepezil (DON). Similarly, NR had potent therapeutic impacts on the levels of cortical and hippocampal monoamines e.g. DA, NE, and 5-HT. SCOP induced a dramatic oxidative stress as measured by MDA, NO, and GSSG levels; however, UD extracts showed significant anti-oxidative stress impacts. Additionally, UD extracts restored ATP levels and reduced the levels of AMP and ADP compared to SCOP-treated rats. Furthermore, cortical Tau and hippocampal Hsp70 were modulated by UD extracts particularly NR compared to the SCOP group. In conclusion, UD extracts particularly roots have potential therapeutic impacts against SCOP-induced neuroinflammatory and/or Alzheimer-like phenotype in rats.
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Affiliation(s)
- Ali H Abu Almaaty
- Zoology Department, Faculty of Science, Port Said University, Port Said, Egypt
| | - Rehab M Mosaad
- Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
| | - Mohamed K Hassan
- Zoology Department, Faculty of Science, Port Said University, Port Said, Egypt
| | - Elham H A Ali
- Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
| | - Ghada A Mahmoud
- Zoology Department, Faculty of Science, Port Said University, Port Said, Egypt
| | - Hassan Ahmed
- Department of Physiology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Nahla Anber
- Emergency Hospital, Mansoura University, Mansoura, Egypt
| | - Saad Alkahtani
- Department of Zoology, Science College, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Mohamed M Abdel-Daim
- Department of Zoology, Science College, King Saud University, Riyadh, 11451, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
| | - Lotfi Aleya
- Laboratoire Chrono-Environment, CNRS 6249, Université de Bourgogne Franche-Comté, Besançon, France
| | - Seddik Hammad
- Department of Forensic Medicine and Veterinary Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt.
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Papamichael K, Delitheos B, Mourouzis I, Pantos C, Tiligada E. L-Thyroxine induces thermotolerance in yeast. Cell Stress Chaperones 2019; 24:469-473. [PMID: 30737613 PMCID: PMC6439117 DOI: 10.1007/s12192-019-00978-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 01/29/2019] [Accepted: 01/31/2019] [Indexed: 10/27/2022] Open
Abstract
The cellular stress response (CSR) is a universal inducible reaction modulated, among others, by heat, drugs, and hormones. We aimed to investigate the role of L-thyroxine (T4) on the heat shock (HS) response in Saccharomyces cerevisiae. The CSR was evaluated by determining growth and viability of post-logarithmic phase grown yeast cultures after HS at 53 °C for 30 min. We found that long-term T4 exposure can induce a dose-dependent and Hsp90 and H+ trafficking-related thermotolerance in yeast.
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Affiliation(s)
- Konstantinos Papamichael
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, M. Asias 75, GR-11527, Athens, Greece.
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, MA, 02215, USA.
| | - Basil Delitheos
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, M. Asias 75, GR-11527, Athens, Greece
| | - Iordanis Mourouzis
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, M. Asias 75, GR-11527, Athens, Greece
| | - Constantinos Pantos
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, M. Asias 75, GR-11527, Athens, Greece
| | - Ekaterini Tiligada
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, M. Asias 75, GR-11527, Athens, Greece
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Preconditioning is hormesis part I: Documentation, dose-response features and mechanistic foundations. Pharmacol Res 2016; 110:242-264. [DOI: 10.1016/j.phrs.2015.12.021] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 12/18/2015] [Accepted: 12/19/2015] [Indexed: 12/16/2022]
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Kakolyri M, Margaritou A, Tiligada E. Dimethyl sulphoxide modifies growth and senescence and induces the non-revertible petite phenotype in yeast. FEMS Yeast Res 2016; 16:fow008. [PMID: 26833420 DOI: 10.1093/femsyr/fow008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/25/2016] [Indexed: 11/12/2022] Open
Abstract
Dimethyl sulphoxide is extensively used in chemical, pharmaceutical and biomedical applications, but its specific biological actions remain largely elusive. The aim of this study was to comprehensively explore the effects of dimethyl sulphoxide on eukaryotic growth and senescence by using the budding yeast Saccharomyces cerevisiae as a reliable model organism. Rather than focusing on single cells or on either the replicative or the chronological lifespan approach, well-established microbiological procedures were integrated to monitor a combination of physiological parameters. Cell proliferation, survival, reproductive competence and morphology were recorded at various time points during incubation of asynchronous yeast populations with increasing concentrations of dimethyl sulphoxide. The findings demonstrated a dose-dependent inhibitory effect of the compound on yeast proliferation, survival and reproduction. In parallel, dimethyl sulphoxide induced the acquisition of the non-revertible petite phenotype and promoted morphological alterations that characterize senescence, driving the yeast populations towards the reproductive incompetent state. These findings point to the need for the investigation of the complex cellular and/or molecular mechanisms underlying the actions of dimethyl sulphoxide in eukaryotic cells and for the evaluation of their exploitation potential.
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Affiliation(s)
- Maria Kakolyri
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, GR-11527 Athens, Greece
| | - Aikaterini Margaritou
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, GR-11527 Athens, Greece
| | - Ekaterini Tiligada
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, GR-11527 Athens, Greece
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Papamichael K, Delitheos B, Tiligada E. A subset of histamine receptor ligands improve thermotolerance of the yeast Saccharomyces cerevisiae. J Appl Microbiol 2012; 114:492-501. [PMID: 23121472 DOI: 10.1111/jam.12055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Revised: 10/06/2012] [Accepted: 10/17/2012] [Indexed: 12/28/2022]
Abstract
AIMS Histamine interacts with the stress response in eukaryotes. This study investigated the effects of antihistamines on the heat shock (HS) response in yeast, thereby exploring their functions in a well-established histamine receptor (H(x) R)-free model. METHODS AND RESULTS Stress response was evaluated by determining growth and viability of postlogarithmic phase grown yeast cultures after HS at 53°C for 30 min. The effects of H(x) R ligands were investigated following short- and long-term administration. The H(1) R antagonist dimethindene exerted dose-related antifungal actions, whereas the H(2) R antagonist ranitidine failed to elicit any effect. In contrast, the H(3/4) R and H(4) R ligands, thioperamide and JNJ7777120, respectively, induced the thermotolerant phenotype. The circumvention of thermotolerance by cycloheximide and the induction of Hsp70 and Hsp104 expression indicated the contribution of de novo protein synthesis in the adaptive process, likely directed towards alterations in Hsp expression. CONCLUSIONS The data provide evidence for the differential function of H(x) R ligands in thermotolerance induction in yeast. SIGNIFICANCE AND IMPACT OF THE STUDY First demonstration of the action of antihistamines in the HS response in yeast. The work supports the potential H(x) R-independent functions of histaminergic compounds in fungal adaptation and stimulates research on the prospect of their exploitation in eukaryotic (patho)physiology.
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Affiliation(s)
- K Papamichael
- Department of Pharmacology, Medical School, University of Athens, Athens, Greece
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Current awareness on yeast. Yeast 2010. [DOI: 10.1002/yea.1721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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