Recent advances in phytase thermostability engineering towards potential application in the food and feed sectors

This review comprehensively examines the advancements in engineering thermostable phytase through genetic modification and immobilization techniques, focusing on developments from the last seven years. Genetic modifications, especially protein engineering, have enhanced enzyme's thermostability...

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Published in:Food science and biotechnology 2025, 34(1), , pp.1-18
Main Authors: Venkataraman, Swethaa, Karthikanath, P R, Gokul, C S, Adhithya, M, Vaishnavi, V K, Rajendran, Devi Sri, Vaidyanathan, Vasanth Kumar, Natarajan, Ramesh, Balakumaran, Palanisamy Athiyaman, Kumar, Vaidyanathan Vinoth
Format: Article
Language:English
Subjects:
Bioavailability
Enzymes
Feed additives
Feed conversion
Feed efficiency
Feed industry
Feed processing
Food additives
Food industry
Food processing
Genetic engineering
Genetic modification
High temperature
Immobilization
Microorganisms
Nutrient availability
Nutritive value
Phytase
Poultry feed
Protein engineering
Thermal stability
Thermal utilization
식품과학
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Summary:This review comprehensively examines the advancements in engineering thermostable phytase through genetic modification and immobilization techniques, focusing on developments from the last seven years. Genetic modifications, especially protein engineering, have enhanced enzyme's thermostability and functionality. Immobilization on various supports has further increased thermostability, with 50-60 % activity retention at higher temperature (more than 50 °C). In the food industry, phytase is used in flour processing and bread making, reducing phytate content by around 70 %, thereby improving nutritional value and mineral bioavailability. In the feed industry, it serves as a poultry feed additive, breaking down phytates to enhance nutrient availability and feed efficiency. The enzyme's robustness at high temperatures makes it valuable in feed processing. The integration of microbial production of phytase with genetically engineered strains followed by carrier free immobilization represents a synergistic approach to fortify enzyme structure and improve thermal stability. These advancement in the development of phytase enzyme capable of withstanding high temperatures, thereby pivotal for industrial utilization.
ISSN:1226-7708
2092-6456
2092-6456
DOI:10.1007/s10068-024-01690-1