UV-C pre-adaptation of Salmonella: effect on cell morphology and membrane fatty acids composition [Erratum: March 2022, Vol.38(3), p.55]
2014
Maâlej, Lobna | Chatti, Abdelwaheb | Khefacha, Sana | Salma, Kloula | David, Gottardi | Vannini, Lucia | Elizabetta, Guerzoni Maria | Hassen, Abdennaceur
The present study was carried out to evaluate the effects of ultraviolet radiations (UV-C) on the fatty acids composition of three serovars of Salmonella: S. typhimurium, S. hadar and S. zanzibar. Results obtained show that UV-C treatment increases significantly (P ≤ 0.05) the percentage of cyclic fatty acids. The atomic force microscopy was used to study the morphology and cell surface of irradiated strains. Results show that UV-C rays induce morphological changes and alter the bacterial cell surface (presence of grooves and irregularities).
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