Producción Científica Profesorado

Antimicrobial Activity of Se-Nanoparticles from Bacterial Biotransformation



Castañeda Ovando, Araceli

2021

Meyli Claudia Escobar-Ramírez, Araceli Castañeda-Ovando, Emmanuel Pérez-Escalante, Gabriela Mariana Rodríguez-Serrano, Esther Ramírez-Moreno, Aurora Quintero-Lira,Elizabeth Contreras-López, Javier Añorve-Morga, Judith Jaimez-Ordaz, Luis Guillermo González-Olivares. Antimicrobial Activity of Se-Nanoparticles from Bacterial Biotransformation. Fermentation 2021, 7(3), 130; https://doi.org/10.3390/fermentation7030130


Abstract


Selenium nanoparticles (SeNPs) are gaining importance in the food and medical fields due to their antibacterial properties. The microbial inhibition of these kinds of particles has been tested in a wide range of Gram (+) and Gram (?) pathogenic bacteria. When SeNPs are synthesized by biological methods, they are called biogenic SeNPs, which have a negative charge caused by their interaction between surface and capping layer (bioorganic material), producing their high stability. This review is focused on SeNPs synthesis by bacteria and summarizes the main factors that influence their main characteristics: shape, size and surface charge, considering the bacteria growth conditions for their synthesis. The different mechanisms of antimicrobial activity are revised, and this review describes several biosynthesis hypotheses that have been proposed due to the fact that the biological mechanism of SeNP synthesis is not fully known.






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