Biotin, also known as vitamin H or B, acts as a crucial cofactor in the central metabolism processes of fatty acids, amino acids, and carbohydrates. Biotin has important applications in food additives, biomedicine, and other fields. While the ability to synthesize biotin de novo is confined to microorganisms and plants, humans and animals require substantial daily intake, primarily through dietary sources and intestinal microflora. Currently, chemical synthesis stands as the primary method for commercial biotin production, although microbial biotin production offers an environmentally sustainable alternative with promising prospects. This review presents a comprehensive overview of the pathways involved in de novo biotin synthesis in various species of microbes and insights into its regulatory and transport systems. Furthermore, diverse strategies are discussed to improve the biotin production here, including mutation breeding, rational metabolic engineering design, artificial genetic modification, and process optimization. The review also presents the potential strategies for addressing current challenges for industrial-scale bioproduction of biotin in the future. This review is very helpful for exploring efficient and sustainable strategies for large-scale biotin production.
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http://dx.doi.org/10.1007/s11274-024-03971-7 | DOI Listing |
Biomedicines
December 2024
Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN 55905, USA.
Background/objectives: The enzyme ubiquitin-specific protease 44 (USP44) is a deubiquitinating enzyme with identified physiological roles as a tumor suppressor and an oncogene. While some binding partners and substrates are known for USP44, the identification of other interactions may improve our understanding of its role in cancer. We therefore performed a proximity biotinylation study that identified products of several known cancer genes that are associated with USP44, including a novel interaction between BRCA2 and USP44.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
January 2025
Laboratory of Inorganic Synthesis and Catalysis, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, I, SIC-LSCI, BCH 3305, Lausanne, 1015, Switzerland Website.
Artificial metalloenzymes (ArMs) enable the integration of abiotic cofactors within a native protein scaffold, allowing for non-natural catalytic activities. Previous ArMs, however, have primarily relied on single cofactor systems, limiting them to only one catalytic function. Here we present an approach to construct ArMs embedding two catalytic cofactors based on the biotin-streptavidin technology.
View Article and Find Full Text PDFArch Microbiol
January 2025
Tecnológico Nacional de México, Instituto Tecnológico de Morelia, 58120, Morelia, Mexico.
The metabolites gluconic acid, 5-ketogluconic acid, proline, and glutamic acid, produced by Pseudomonas reptilivora B-6bs, are industrially important, particularly in food and pharmaceutical sectors. However, producing these metabolites involves biotin supplementation to enhance yields, which is an expensive additive, and reducing its use can significantly lower production costs. Thus, This study aimed to enhance the production of gluconic acid, 5-ketogluconic acid, proline, and glutamic acid without biotin supplementation.
View Article and Find Full Text PDF3 Biotech
January 2025
Division of Crop Protection, ICAR-Indian Institute of Spices Research, Marikunnu, Kozhikode, 673012 India.
Unlabelled: Cardamom mosaic virus causing mosaic/ disease is the most destructive virus infecting cardamom. The development of effective diagnostic assays is essential for the production of virus-free plants, as the primary spread of the virus occurs through vegetative propagation. Currently used PCR-based assays are not suitable for Point-of-Care testing, require sophisticated equipment, and are time-consuming.
View Article and Find Full Text PDFBiosens Bioelectron
December 2024
Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, China. Electronic address:
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