Endolysins (lysins) are bacteriophage-encoded enzymes that have evolved to degrade specific bonds within the bacterial cell wall. These enzymes represent a novel class of antibacterial agents against infectious pathogens, especially in light of multidrug-resistant bacteria, which have made antibiotic therapy increasingly redundant. Lysins have been used successfully to eliminate/control bacterial pathogens in various anatomical locations in mouse and other animal models. Engineering tactics have also been successfully applied to improve lysin function. This review discusses the structure and function of lysins. It highlights protein-engineering tactics utilised to improve lysin activity. It also reviews the applications of lysins towards food biopreservation, therapeutics, biofilm elimination and diagnostics.
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http://dx.doi.org/10.3184/003685016X14627913637705 | DOI Listing |
Fish Shellfish Immunol
December 2024
Department of Microbiology and Immunology, Veterinary Medicine, Assiut University, Assiut, 71526, Egypt.
This study investigated the effects of bamboo shoot extract (Bambusa vulgaris) as a feed additive on the health profiles and infection resistance of Nile tilapia (Oreochromis niloticus) against Pseudomonas putida. Bamboo shoot extract was added at levels of 0 g, 40 g, and 60 g per 1000 g of diet over a 60-day period. The fish were then challenged with a pathogenic P.
View Article and Find Full Text PDFAnimals (Basel)
October 2024
Graduate Program in Animal Science and Health Animal Science Department, Federal University of Campina Grande, Patos 58708-110, Paraíba, Brazil.
Tannins are compounds present in forage plants that, in small quantities in the diet of ruminants, produce protein complexes that promote passage through the rumen and use in the intestine. This study tested the hypothesis that beeswax (BW) and carnauba wax (CW) lipid matrices are effective encapsulants for creating bypass lysine (Lys) for ruminants, with tannin extracted from the hay source enhancing material protection. Microencapsulated systems were made using the fusion-emulsification technique with a 2:1 shell-to-core ratio and four tannin levels (0%, 1%, 2%; 3%).
View Article and Find Full Text PDFSheng Wu Gong Cheng Xue Bao
September 2024
The Key Laboratory of Industrial Biotechnology of Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China.
Guanidinoacetic acid, as an energetic substance, has a wide range of applications in the food, pharmaceutical, and feed industries. However, the biosynthesis of guanidinoacetic acid has not been applied in industrial production. In this study, we designed the synthetic route of guanidinoacetic acid in a food-grade strain of .
View Article and Find Full Text PDFPoult Sci
November 2024
Animal Bioscience and Biotechnology Laboratory, United States Department of Agriculture, Agricultural Research Service, Beltsville, MD 20705, USA. Electronic address:
This study investigated the best oral delivery strategy (gavage or feed) for the B. subtilis expressing the chicken anti-microbial peptide cNK-2 (B. subtilis-cNK-2) in comparison to monensin, in chickens challenged with Eimeria acervulina (E.
View Article and Find Full Text PDFMolecules
July 2024
College of Agriculture and Forestry, Linyi University, Linyi 276005, China.
infection can cause bovine mastitis and lead to huge economic losses for the dairy industry. The abuse of antibiotics has resulted in growing drug resistance of which causes hard-to-treat infections. Bacteriophage lysin, as a novel antibacterial agent, has great potential for application against drug-resistant gram-positive bacteria.
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