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Université de Fribourg

Structure and dynamics of the acyl chains in the membrane trafficking and enzymatic processing of lipids

Vanni, Stefano ; Riccardi, Laura ; Palermo, Giulia ; De Vivo, Marco

In: Accounts of Chemical Research, 2019, vol. 52, no. 11, p. 3087–3096

The regulatory chemical mechanisms of lipid trafficking and degradation are involved in many pathophysiological processes, being implicated in severe pain, inflammation, and cancer. In addition, the processing of lipids is also relevant for industrial and environmental applications. However, there is poor understanding of the chemical features that control lipid membrane trafficking and allow...

Université de Fribourg

Rapid evolution of invasive traits facilitates the invasion of common ragweed, Ambrosia artemisiifolia

Sun, Yan ; Roderick, George K.

In: Journal of Ecology, 2019, vol. 107, no. 6, p. 2673–2687

Invasive alien plants, together with organisms introduced for biological control, are ideal study systems with which to address questions of whether, and how fast, organisms adapt to changing environments. We compared populations of common ragweed, Ambrosia artemisiifolia, from native (USA) and introduced (China) ranges at similar latitudes, together with herbivores introduced for biological...

Université de Fribourg

Effect of 3-mercaptopyruvate sulfurtransferase deficiency on the development of multiorgan failure, inflammation, and wound healing in mice subjected to burn injury

Ahmad, Akbar ; Druzhyna, Nadiya ; Szabo, Csaba

In: Journal of Burn Care & Research, 2019, vol. 40, no. 2, p. 148–156

The gaseous transmitter hydrogen sulfide (H2S) has been implicated in various forms of critical illness. Here, we have compared the outcome of scald burn injury in wild- type mice and in mice deficient in 3-mercaptopyruvate sulfurtransferase (3-MST), a mammalian H2S-generating enzyme. Outcome variables included indices of organ injury, clinical chemistry parameters, and plasma levels of...

Université de Fribourg

Looking back: twenty years of reforming undergraduate medical training and curriculum frameworks in Switzerland = Blick in den Rückspiegel: zwanzig Jahre Reformen der humanmedizinischen Studiengänge und der curricularen Rahmenbedingungen in der Schweiz

Bonvin, Raphael ; Nendaz, Mathieu ; Frey, Peter ; Schnabel, Kai P. ; Huwendiek, Sören ; Schirlo, Christian

In: GMS Journal for Medical Education, 2019, vol. 36, no. 5, p. Doc64

Introduction: To date, hardly any reports exist that outline the reforms in medical studies in Switzerland from the first partial reforms in the 1970s until today.Methods: This article outlines the recent history of medical curricula, their reforms in the early 1970s and, based on these, the key reasons for the major curricular reforms of the 2000s from the perspective of the authors.Results: The...

Université de Fribourg

Environmental and biological controls on Na∕Ca ratios in scleractinian cold-water corals

Schleinkofer, Nicolai ; Raddatz, Jacek ; Freiwald, André ; Evans, David ; Beuck, Lydia ; Rüggeberg, Andres ; Liebetrau, Volker

In: Biogeosciences, 2019, vol. 16, no. 18, p. 3565–3582

Here we present a comprehensive attempt to correlate aragonitic Na∕Ca ratios from Desmophyllum pertusum (formerly known as Lophelia pertusa), Madrepora oculata and a caryophylliid cold-water coral (CWC) species with different seawater parameters such as temperature, salinity and pH. Living CWC specimens were collected from 16 different locations and analyzed for their Na∕Ca ratios using...

Haute Ecole Arc Conservation-Restauration

Etude des méthodes de conservation du mobilier archéologique en alliage ferreux : du chantier de fouille aux réserves

Regnault, Audrey

Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2019.

Il n’existe actuellement pas de méthode de gestion universelle du mobilier archéologique en alliage ferreux, la sensibilité de ce matériau implique la mise en place de procédés chronophages et onéreux sur le long terme. Chaque institution tente de mettre en place des méthodes de gestion qui soient à la fois adaptées aux objets et aux moyens de l’institution. Suite à un sondage...

Université de Neuchâtel

Evolution of the "Castanea sativa" - "Dryocosmus kuriphilus" - "Torymus sinensis" - system in southern Switzerland

Gehring, Eric ; Aebi, Alexandre (Dir.) ; Conedera, Marco (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

The arrival of new organisms that may potentially become harmful for people and ecosystems has become a world-wide daily concern to the point that in Switzerland about 800 established alien species exist, of which at least 107 are considered invasive. A possible way to control such pests is by importing and releasing natural enemies from their countries of origin, letting them to act as so-called...

Université de Neuchâtel

Développement, validation et normalisation de la Batterie d’évaluation de la compréhension syntaxique : une collaboration Québec-Suisse = Development, Validation, and Standardization of the Batterie d’évaluation de la compréhension syntaxique: A Québec–Switzerland Collaboration

Bourgeois, Marie-Ève ; Fossard ; Monetta ; Bergeron, Annie ; Perron, Marc ; Martel-Sauvageau, Vincent

In: Revue canadienne d’orthophonie et d’audiologie - Canadian Journal of Speech-Language Pathology and Audiology, 2019, vol. 43, no. 2, p. 109-120

Afin de combler le manque d’outils d’évaluation disponibles en français, la Batterie d'évaluation de la compréhension syntaxique a été élaborée conjointement par des équipes de recherche de la Suisse et du Québec. D’abord, des participants souffrant d’aphasie (n = 30) ont été recrutés afin d'évaluer les validités convergente, divergente et discriminante, ainsi que pour...

Université de Fribourg

A substantial discount on ski passes : a synthetic control analysis

Wallimann, Hannes

(Working Papers SES ; 507)

The synthetic control method serves as an appropriate and promising approach to do quantitative comparison research. However, the method is rarely used in the context of tourism. We fill this research gap by applying the method to the case of a Swiss mountain destination. Alpine tourist destinations have suffered from a declining demand in the last decade. Fewer tourist visit ski resorts....

Université de Neuchâtel

Ecosystem engineers’ contribution to soil structure formation in floodplains

Schomburg, Andreas ; Le Bayon, Claire (Dir.) ; Guenat, Claire (Codir.) ; Brunner, Philip (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

Soil structure formation constitutes an extremely important process in near-natural and restored floodplains. A stable soil structure protects riverbanks from erosion and contributes to the preservation of ecosystem services. However, developing a soil structure in alluvial soils is difficult for several reasons. Extensive alluvial dynamics cause periodic waterlogging and continuously rejuvenate...