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    Université de Fribourg

    Silica nanoparticles enhance disease resistance in Arabidopsis plants

    El-Shetehy, Mohamed ; Moradi, Aboubakr ; Maceroni, Mattia ; Reinhardt, Didier ; Petri-Fink, Alke ; Rothen-Rutishauser, Barbara ; Mauch, Felix ; Schwab, Fabienne

    In: Nature Nanotechnology, 2020, p. 1–10

    In plants, pathogen attack can induce an immune response known as systemic acquired resistance that protects against a broad spectrum of pathogens. In the search for safer agrochemicals, silica nanoparticles (SiO2 NPs; food additive E551) have recently been proposed as a new tool. However, initial results are controversial, and the molecular mechanisms of SiO2 NP-induced disease resistance...

    Université de Fribourg

    A novel study on the inhibitory effect of marine macroalgal extracts on hyphal growth and biofilm formation of candidemia isolates

    El-Zawawy, Nessma A. ; El-Shenody, Rania A. ; Ali, Sameh S. ; El-Shetehy, Mohamed

    In: Scientific Reports, 2020, vol. 10, no. 1, p. 9339

    Biofilm formation and hyphal growth are considered to be the most serious virulence factors of Candida species in blood causing candidemia infections, which are difficult to treat due to the spread of resistant Candida isolates to most antifungal drugs. Therefore, in this study, we investigated the effect of different types and concentrations of selected macroalgal extracts from Cladostephus...