Université de Fribourg

A genetically encoded biosensor for visualising hypoxia responses in vivo

Misra, Tvisha ; Baccino-Calace, Martin ; Meyenhofer, Felix ; Rodriguez-Crespo, David ; Akarsu, Hatice ; Armenta-Calderón, Ricardo ; Frei, Thomas A. Gorr, Christian ; Cantera, Rafael ; Egger, Boris ; Luschnig, Stefan

In: Biology Open, 2017, vol. 6, no. 2, p. 296–304

Cells experience different oxygen concentrations depending on location, organismal developmental stage, and physiological or pathological conditions. Responses to reduced oxygen levels (hypoxia) rely on the conserved hypoxia-inducible factor 1 (HIF-1). Understanding the developmental and tissue-specific responses to changing oxygen levels has been limited by the lack of adequate tools for...

Université de Fribourg

The microcephaly-associated protein Wdr62/CG7337 is required to maintain centrosome asymmetry in Drosophila neuroblasts

Nair, Anjana Ramdas ; Singh, Priyanka ; Garcia, David Salvador ; Rodriguez-Crespo, David ; Egger, Boris ; Cabernard, Clemens

In: Cell Reports, 2016, vol. 14, no. 5, p. 1100–1113

Centrosome asymmetry has been implicated in stem cell fate maintenance in both flies and vertebrates, but the underlying molecular mechanisms are incompletely understood. Here, we report that loss of CG7337, the fly ortholog of WDR62, compromises interphase centrosome asymmetry in fly neural stem cells (neuroblasts). Wdr62 maintains an active interphase microtubule-organizing center (MTOC) by...