Toxoplasmosis represents a significant public health and veterinary concern due to its widespread distribution, zoonotic transmission, and potential for severe health impacts in susceptible individuals and animal populations. The ability to design and produce recombinant proteins with precise antigenic properties is fundamental, as they serve as tools for accurate disease detection and effective immunization strategies, contributing to improved healthcare outcomes and disease control. Most commonly, a prokaryotic expression system is employed for the production of both single antigens and multi-epitope chimeric proteins; however, the cloning strategies, bacterial strain, vector, and expression conditions vary. Moreover, literature reports show the use of alternative microbial systems such as yeast or . This review provides an overview of the methods and strategies employed for the production of recombinant antigenic proteins for the serological detection of infection and vaccine development.
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http://dx.doi.org/10.3390/microorganisms12081731 | DOI Listing |
Biotechnol Adv
December 2024
Department of Food Science and Biotechnology, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-Gu, Seoul 03760, Republic of Korea.
The selective oxyfunctionalization of unsaturated fatty acids is difficult in chemical reactions, whereas regio- and stereoselective oxyfunctionalization is often performed in biocatalytic synthesis. Fatty acid oxygenases, including hydratases, lipoxygenases, dioxygenases, diol synthases, cytochrome P450 monooxygenases, peroxygenases, and 12-hydroxylases, are used to convert C16 and C18 unsaturated fatty acids to diverse regio- and stereoselective mono-, di-, and trihydroxy fatty acids via selective oxyfunctionalization. The formed hydroxy fatty acids or hydroperoxy fatty acids are metabolized to industrially important oxygenated chemicals such as lactones, green leaf volatiles, and bioplastic monomers, including ω-hydroxy fatty acids, α,ω-dicarboxylic acids, and fatty alcohols, by biocatalysts.
View Article and Find Full Text PDFChemosphere
December 2024
Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung 81148, Taiwan. Electronic address:
Visible light photocatalysts hold great promise for water purification, yet research on highly efficient, non-toxic photocatalysts is limited. This study synthesized novel g-CN/AlOOH photocatalytic nanocomposites via thermal condensation, enhancing adsorption and visible light degradation by 36-fold and 11-fold, respectively, compared to g-CN alone. The nanocomposites achieved a 98% removal rate of methyl orange under xenon lamp irradiation (>400 nm) for 1 hour.
View Article and Find Full Text PDFFish Shellfish Immunol
December 2024
Department of Biotechnology, School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, Liaoning Province, P. R. China; Dalian Jinshiwan Laboratory, Dalian, China. Electronic address:
A number of studies have been demonstrated that arachidonate 5-lipoxygenase (ALOX-5) plays a role in regulating a range of physiological and pathological processes through the catalysis of leukotriene formation from arachidonic acid (ARA). The coding sequence of ALOX-5 from Apostichopus japonicus (Aj-ALOX-5) was successfully amplified, resulting in a 2028 bp ORF sequence that encodes 674 amino acids. A comparison of the amino acid sequence with those of other 5-lipoxygenases revealed that Aj-ALOX-5 has the N-terminal "PLAT domain" and C-terminal "lipoxygenase structural domain" characteristic of this enzyme family.
View Article and Find Full Text PDFFish Shellfish Immunol
December 2024
State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, School of Marine Sciences, Ningbo University, Ningbo 315211, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China; Key Laboratory of Marine Biotechnology of Zhejiang Province, Ningbo University, Ningbo 315211, China. Electronic address:
CyHV-2 is the pathogen of herpesvirus haematopoietic necrosis (HVHN), resulting in significant economic losses in crucian carp. Although multiple oral vaccines have been developed to prevent CyHV-2, they have not achieved ideal protective effects. To improve the protective effect of oral vaccine, a combination vaccine was conducted by mixing recombinant Saccharomyces cerevisiae displaying ORF132 or ORF25 on the cell surface in a 1:1 ratio.
View Article and Find Full Text PDFInt J Biol Macromol
December 2024
Department of Bacteriology and Virology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran. Electronic address:
This study aimed to examine how mesoporous silica nanoparticles-chitosan-folic acid impacted the release of recombinant Azurin within the tumor environment. The goal was to trigger apoptosis and stimulate immune responses against both transformed and normal cells in BALB/c mice. The study found that the use of rAzu-MSNs-CS-FA, a specific formulation containing mesoporous silica nanoparticles-chitosan-folic acid, resulted in pH-responsive behavior and slower release of rAzurin compared to other groups.
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