Affiner les résultats

Langue

Université de Fribourg

Use of EpiAlveolar lung model to predict fibrotic potential of multiwalled carbon nanotubes

Barosova, Hana ; Maione, Anna G. ; Septiadi, Dedy ; Sharma, Monita ; Haeni, Laetitia ; Balog, Sandor ; O’Connell, Olivia ; Jackson, George R. ; Brown, David ; Clippinger, Amy J. ; Hayden, Patrick ; Petri-Fink, Alke ; Stone, Vicki ; Rothen-Rutishauser, Barbara

In: ACS Nano, 2020, vol. 14, no. 4, p. 3941–3956

Expansion in production and commercial use of nanomaterials increases the potential human exposure during the lifecycle of these materials (production, use, and disposal). Inhalation is a primary route of exposure to nanomaterials; therefore it is critical to assess their potential respiratory hazard. Herein, we developed a three-dimensional alveolar model (EpiAlveolar) consisting of human...

Université de Fribourg

Preliminary video-spatial analysis of cold seep bivalve beds at the base of the continental slope of Israel (Palmahim Disturbance)

Beccari, V. ; Basso, D. ; Spezzaferri, Silvia ; Rüggeberg, A. ; Neuman, A. ; Makovsky, Y.

In: Deep Sea Research Part II: Topical Studies in Oceanography, 2020, vol. 171, p. 104664

Seafloor video surveys were carried out with the ROV Max Rover in the Palmahim Disturbance (PD) area, offshore Israel, in September 2016 during the EUROFLEETS2 SEMSEEP cruise on board the R/V AEGAEO. Preliminary observations of distribution and frequencies of bivalve accumulations show that they are mostly composed by Lucinoma kazani shells. Valves are distributed mainly along the base of...

Université de Fribourg

Endophytes and epiphytes from the grapevine leaf microbiome as potential biocontrol agents against phytopathogens

Bruisson, Sébastien ; Zufferey, Mónica ; L’Haridon, Floriane ; Trutmann, Eva ; Anand, Abhishek ; Dutartre, Agnès ; Vrieze, Mout De ; Weisskopf, Laure

In: Frontiers in Microbiology, 2019, vol. 10, p. -

Plants harbor diverse microbial communities that colonize both below-ground and above-ground organs. Some bacterial members of these rhizosphere and phyllosphere microbial communities have been shown to contribute to plant defenses against pathogens. In this study, we characterize the pathogen-inhibiting potential of 78 bacterial isolates retrieved from endophytic and epiphytic communities...

Université de Fribourg

The effects of temperature and dispersal on species diversity in natural microbial metacommunities

Parain, Elodie C. ; Gray, Sarah M. ; Bersier, Louis-Félix

In: Scientific Reports, 2019, vol. 9, no. 1, p. 18286

Dispersal is key for maintaining biodiversity at local- and regional scales in metacommunities. However, little is known about the combined effects of dispersal and climate change on biodiversity. Theory predicts that alpha-diversity is maximized at intermediate dispersal rates, resulting in a hump-shaped diversity-dispersal relationship. This relationship is predicted to flatten when...

Université de Fribourg

A substrate of the ABC transporter PEN3 stimulates bacterial flagellin (flg22)-induced callose deposition in Arabidopsis thaliana

Matern, Andreas ; Böttcher, Christoph ; Eschen-Lippold, Lennart ; Westermann, Bernhard ; Smolka, Ulrike ; Döll, Stefanie ; Trempel, Fabian ; Aryal, Bibek ; Scheel, Dierk ; Geisler, Markus ; Rosahl, Sabine

In: Journal of Biological Chemistry, 2019, vol. 294, no. 17, p. 6857–6870

Nonhost resistance of Arabidopsis thaliana against Phytophthora infestans, a filamentous eukaryotic microbe and the causal agent of potato late blight, is based on a multilayered defense system. Arabidopsis thaliana controls pathogen entry through the penetration-resistance genes PEN2 and PEN3, encoding an atypical myrosinase and an ABC transporter, respectively, required for synthesis and...