Changes in morphotype in the population of E.coli in the presence of metal containing nanoparticles

2019 
The level of variability of the E.coli morphotype under the influence of iron oxide nanoparticles (MNPs) depending on their concentration was studied as well as the adaptive capabilities of the microbial population under growth conditions was evaluated.The presence of γ-Fe2O3 nanoparticles in the cultivation fluid affects the cultural and morphological properties of the microbial population of E.coli in the process of its development. The appearance of new morphotypes of colonies and cells can be considered as a manifestation of an adaptive mechanism. A change in the morphology of the microbial cell with a high concentration of MNPs leads to abnormal growth and disruption of the division process.
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