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Université de Fribourg

Adapting spherical-harmonics-based geometric morphometrics (SPHARM) for 3D images containing large cavity openings using ambient occlusion: a study with hermit crab claw shape variability

Ege, Yannic C. ; Foth, Christian ; Baum, Daniel ; Wirkner, Christian S. ; Richter, Stefan

In: Zoomorphology, 2020, p. -

One of the advantages of mesh-based geometric morphometrics (GM) over landmark-based approaches, is that it affords the possibility of the precise examination of highly irregular shapes and complex topographic surfaces. In the case of spherical-harmonic-based GM, the main prerequisite is a completely closed mesh surface, which is often lacking, particularly when dealing with natural objects....

Université de Fribourg

Evaluation of resazurin-based rapid test to detect colistin resistance in Acinetobacter baumannii isolates

Germ, Julija ; Poirel, Laurent ; Cerar Kisek, Tjasa ; Cvitkovic Spik, Vesna ; Katja Seme ; Mueller Premru, Manica ; Lejko Zupanc, Tatjana ; Nordmann, Patrice ; Pirs, Mateja

In: European Journal of Clinical Microbiology & Infectious Diseases, 2019, vol. 38, no. 11, p. 2159–2162

Acinetobacter baumannii primarily causes colonization, yet it can be an opportunistic pathogen associated with hospital-acquired infections. Many countries report rapid spread of carbapenem-resistant Acinetobacter baumannii (CRAb) which limits treatment options, with colistin frequently being the last line treatment option. The aim of our study was to evaluate a recently developed rapid...

Université de Fribourg

Age and synchronicity of planktonic foraminiferal bioevents across the Cenomanian – Turonian boundary interval (Late Cretaceous)

Falzoni, Francesca ; Petrizzo, Maria Rose ; Caron, Michèle ; Leckie, R. Mark ; Elderbak, Khalifa

In: Newsletters on Stratigraphy, 2018, vol. 51, no. 3, p. 343–380

The upper Cenomanian – lower Turonian is a key-stratigraphic interval, as it encompasses the Late Cretaceous supergreenhouse and a major perturbation of the global carbon cycle (i. e., Oceanic Anoxic Event 2) as evidenced by a global positive carbon isotope excursion and by the nearly world-wide deposition of organic-rich marine facies. A turnover in planktonic foraminiferal assemblages and...