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Université de Fribourg

A multi-platform package for the analysis of intra- and interspecific trait evolution

Gaboriau, Théo ; Mendes, Fábio K. ; Joly, Simon ; Silvestro, Daniele ; Salamin, Nicolas

In: Methods in Ecology and Evolution, 2020, p. -

Evolutionary forces affect the distribution of phenotypes both within and among species. Yet, at the macro‐evolutionary scale, the evolution of intraspecific variance is rarely considered. Here, we present an r and a BEAST 2 implementation that extends the JIVE (Joint inter‐ and Intraspecific Variance Evolution) model aimed at the analysis of continuous trait evolution at both inter‐...

Université de Fribourg

Genomic footprints of repeated evolution of CAM photosynthesis in a Neotropical species radiation

De La Harpe, Marylaure ; Paris, Margot ; Hess, Jaqueline ; Barfuss, Michael Harald Johannes ; Serrano‐Serrano, Martha Liliana ; Ghatak, Arindam ; Chaturvedi, Palak ; Weckwerth, Wolfram ; Till, Walter ; Salamin, Nicolas ; Wai, Ching Man ; Ming, Ray ; Lexer, Christian

In: Plant, Cell & Environment, 2020/n/a//-

The adaptive radiation of Bromeliaceae (pineapple family) is one of the most diverse among Neotropical flowering plants. Diversification in this group was facilitated by shifts in several adaptive traits or “key innovations” including the transition from C3 to CAM photosynthesis associated with xeric (heat/drought) adaptation. We used phylogenomic approaches, complemented by differential...

Université de Fribourg

Scientists’ warning on invasive alien species

Pyšek, Petr ; Hulme, Philip E. ; Simberloff, Dan ; Bacher, Sven ; Blackburn, Tim M. ; Carlton, James T. ; Dawson, Wayne ; Essl, Franz ; Foxcroft, Llewellyn C. ; Genovesi, Piero ; Jeschke, Jonathan M. ; Kühn, Ingolf ; Liebhold, Andrew M. ; Mandrak, Nicholas E. ; Meyerson, Laura A. ; Pauchard, Aníbal ; Pergl, Jan ; Roy, Helen E. ; Seebens, Hanno ; Kleunen, Mark ; Vilà, Montserrat ; Wingfield, Michael J. ; Richardson, David M.

In: Biological Reviews, 2020, p. brv.12627

Biological invasions are a global consequence of an increasingly connected world and the rise in human population size. The numbers of invasive alien species – the subset of alien species that spread widely in areas where they are not native, affecting the environment or human livelihoods – are increasing. Synergies with other global changes are exacerbating current invasions and...

Université de Fribourg

The digestive system of xenacoelomorphs

Gavilán, B. ; Sprecher, Simon G. ; Hartenstein, Volker ; Martinez, Pedro

In: Cell and Tissue Research, 2019, vol. 377, no. 3, p. 369–382

Interest in the study of Xenacoelomorpha has recently been revived due to realization of its key phylogenetic position as the putative sister group of the remaining Bilateria. Phylogenomic studies have attracted the attention of researchers interested in the evolution of animals and the origin of novelties. However, it is clear that a proper understanding of novelties can only be gained in...

Université de Fribourg

Supramolecular structures in lipid digestion and implications for functional food delivery

Salentinig, Stefan

In: Current Opinion in Colloid & Interface Science, 2019, vol. 39, p. 190–201

The daily diet is important for our survival, health, and wellbeing. Functional food materials, which tailor the digestion process, can help maintaining and even improving human health and lifestyle. Knowledge on how food products, particularly food emulsions such as milk, interact with the digestive system, where they transform into supramolecular structures, can have a direct impact on the...