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Université de Fribourg

Ancient mitogenomics clarifies radiation of extinct Mascarene giant tortoises ( Cylindraspis spp.)

Kehlmaier, Christian ; Graciá, Eva ; Campbell, Patrick D. ; Hofmeyr, Margaretha D. ; Schweiger, Silke ; Martínez-Silvestre, Albert ; Joyce, Walter G. ; Fritz, Uwe

In: Scientific Reports, 2019, vol. 9, no. 1, p. 1-7

The five extinct giant tortoises of the genus Cylindraspis belong to the most iconic species of the enigmatic fauna of the Mascarene Islands that went largely extinct after the discovery of the islands. To resolve the phylogeny and biogeography of Cylindraspis, we analysed a data set of 45 mitogenomes that includes all lineages of extant tortoises and eight near-complete sequences of all...

Université de Fribourg

Facile and rapid formation of giant vesicles from glass beads

Tanasescu, Radu ; Mettal, Ute ; Colom, Adai ; Roux, Aurélien ; Zumbuehl, Andreas

In: Polymers, 2018, vol. 10, no. 1, p. 54

Giant vesicles (GVs) are widely-used model systems for biological membranes. The formulation of these vesicles, however, can be problematic and artifacts, such as degraded molecules or left-over oil, may be present in the final liposomes. The rapid formulation of a high number of artifact-free vesicles of uniform size using standard laboratory equipment is, therefore, highly desirable. Here,...

Consortium of Swiss Academic Libraries

Star-forming accretion flows and the low-luminosity nuclei of giant elliptical galaxies

Tan, Jonathan C. ; Blackman, Eric G.

In: Monthly Notices of the Royal Astronomical Society, 2005, vol. 362, no. 3, p. 983-994

Université de Fribourg

Unappreciated diversification of stem archosaurs during the Middle Triassic predated the dominance of dinosaurs

Foth, Christian ; Ezcurra, Martín D. ; Sookias, Roland B. ; Brusatte, Stephen L. ; Butler, Richard J.

In: BMC Evolutionary Biology, 2016, vol. 16, p. 188

Archosauromorpha originated in the middle–late Permian, radiated during the Triassic, and gave rise to the crown group Archosauria, a highly successful clade of reptiles in terrestrial ecosystems over the last 250 million years. However, scientific attention has mainly focused on the diversification of archosaurs, while their stem lineage (i.e. non- archosaurian archosauromorphs) has often...

Bibliothèque cantonale jurassienne

First record of a pterosaur landing trackway

Mazin, Jean-Michel ; Billon-Bruyat, Jean-Paul ; Padian, Kevin

In: Proceedings of the Royal Society of London. Series B, Biological sciences, 2009, vol. 276, p. 3881-3886

Bibliothèque cantonale jurassienne

On giant filter feeders

Cavin, Lionel

In: Science, 2010, vol. 327, p. 968-969