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Mjaess G, Roumeguère T, Korpak K, Van Antwerpen P, Zouaoui Boudjeltia K. Fatty acid diet and prostate cancer: a treasure hunt or a wild goose chase? Prostate Cancer Prostatic Dis 2024:10.1038/s41391-024-00854-8. [PMID: 38890423 DOI: 10.1038/s41391-024-00854-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 05/25/2024] [Accepted: 06/03/2024] [Indexed: 06/20/2024]
Affiliation(s)
- Georges Mjaess
- Department of Urology, Hôpital Universitaire de Bruxelles, Brussels, Belgium.
| | - Thierry Roumeguère
- Department of Urology, Hôpital Universitaire de Bruxelles, Brussels, Belgium
- Laboratory of Experimental Medicine (ULB 222 Unit), CHU de Charleroi, Hôpital André Vésale, Université libre de Bruxelles (ULB), Montigny-le-Tilleul, Belgium
| | - Kéziah Korpak
- Department of Geriatric Medicine, CHU de Charleroi, Hôpital André Vésale, Université libre de Bruxelles (ULB), 6110, Montigny-le-Tilleul, Belgium
| | - Pierre Van Antwerpen
- Department-Unit of Pharmacognosy, Bioanalysis and Drug Discovery, Faculty of Pharmacy, Université libre de Bruxelles, Brussels, Belgium
| | - Karim Zouaoui Boudjeltia
- Laboratory of Experimental Medicine (ULB 222 Unit), CHU de Charleroi, Hôpital André Vésale, Université libre de Bruxelles (ULB), Montigny-le-Tilleul, Belgium
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Mariam I, Krikigianni E, Rantzos C, Bettiga M, Christakopoulos P, Rova U, Matsakas L, Patel A. Transcriptomics aids in uncovering the metabolic shifts and molecular machinery of Schizochytrium limacinum during biotransformation of hydrophobic substrates to docosahexaenoic acid. Microb Cell Fact 2024; 23:97. [PMID: 38561811 PMCID: PMC10983653 DOI: 10.1186/s12934-024-02381-6] [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: 02/21/2024] [Accepted: 03/23/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Biotransformation of waste oil into value-added nutraceuticals provides a sustainable strategy. Thraustochytrids are heterotrophic marine protists and promising producers of omega (ω) fatty acids. Although the metabolic routes for the assimilation of hydrophilic carbon substrates such as glucose are known for these microbes, the mechanisms employed for the conversion of hydrophobic substrates are not well established. Here, thraustochytrid Schizochytrium limacinum SR21 was investigated for its ability to convert oils (commercial oils with varying fatty acid composition and waste cooking oil) into ω-3 fatty acid; docosahexaenoic acid (DHA). RESULTS Within 72 h SR21 consumed ~ 90% of the oils resulting in enhanced biomass (7.5 g L- 1) which was 2-fold higher as compared to glucose. Statistical analysis highlights C16 fatty acids as important precursors of DHA biosynthesis. Transcriptomic data indicated the upregulation of multiple lipases, predicted to possess signal peptides for secretory, membrane-anchored and cytoplasmic localization. Additionally, transcripts encoding for mitochondrial and peroxisomal β-oxidation along with acyl-carnitine transporters were abundant for oil substrates that allowed complete degradation of fatty acids to acetyl CoA. Further, low levels of oxidative biomarkers (H2O2, malondialdehyde) and antioxidants were determined for hydrophobic substrates, suggesting that SR21 efficiently mitigates the metabolic load and diverts the acetyl CoA towards energy generation and DHA accumulation. CONCLUSIONS The findings of this study contribute to uncovering the route of assimilation of oil substrates by SR21. The thraustochytrid employs an intricate crosstalk among the extracellular and intracellular molecular machinery favoring energy generation. The conversion of hydrophobic substrates to DHA can be further improved using synthetic biology tools, thereby providing a unique platform for the sustainable recycling of waste oil substrates.
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Affiliation(s)
- Iqra Mariam
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, Luleå, SE-971 87, Sweden
| | - Eleni Krikigianni
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, Luleå, SE-971 87, Sweden
| | - Chloe Rantzos
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, Luleå, SE-971 87, Sweden
| | - Maurizio Bettiga
- Department of Life Sciences - LIFE, Division of Industrial Biotechnology, Chalmers University of Technology, Gothenburg, SE-412 96, Sweden
- Innovation Unit, Italbiotec Srl Società Benefit, Milan, Italy
| | - Paul Christakopoulos
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, Luleå, SE-971 87, Sweden
| | - Ulrika Rova
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, Luleå, SE-971 87, Sweden
| | - Leonidas Matsakas
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, Luleå, SE-971 87, Sweden
| | - Alok Patel
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, Luleå, SE-971 87, Sweden.
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De Nunzio C, Lombardo R. Best of 2023 in Prostate Cancer and Prostatic Diseases. Prostate Cancer Prostatic Dis 2024:10.1038/s41391-024-00790-7. [PMID: 38263282 DOI: 10.1038/s41391-024-00790-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 01/05/2024] [Accepted: 01/10/2024] [Indexed: 01/25/2024]
Affiliation(s)
- Cosimo De Nunzio
- Department of Urology, Sapienza University of Rome, Rome, Italy.
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