Université de Fribourg

Reciprocal regulation of carbon monoxide metabolism and the circadian clock

Klemz, Roman ; Reischl, Silke ; Wallach, Thomas ; Witte, Nicole ; Jürchott, Karsten ; Klemz, Sabrina ; Lang, Veronika ; Lorenzen, Stephan ; Knauer, Miriam ; Heidenreich, Steffi ; Xu, Min ; Ripperger, Jürgen A. ; Schupp, Michael ; Stanewsky, Ralf ; Kramer, Achim

In: Nature Structural & Molecular Biology, 2017, vol. 24, no. 1, p. 15-22

Circadian clocks are cell-autonomous oscillators regulating daily rhythms in a wide range of physiological, metabolic and behavioral processes. Feedback of metabolic signals, such as redox state, NAD+/NADH and AMP/ADP ratios, or heme, modulate circadian rhythms and thereby optimize energy utilization across the 24-h cycle. We show that rhythmic heme degradation, which generates the signaling...

Université de Fribourg

Distinct roles of DBHS family members in the circadian transcriptional feedback loop

Kowalska, Elzbieta ; Ripperger, Jürgen A. ; Muheim, Christine ; Maier, Bert ; Kurihara, Yasuyuki ; Fox, Archa H. ; Kramer, Achim ; Brown, Steven A.

In: Molecular and Cellular Biology, 2012, p. -

Factors interacting with core circadian clock components are essential to achieve transcriptional feedback necessary for metazoan clocks. Here we show that all three members of the Drosophila Behavior Human Splicing (DBHS) family of RNA-binding proteins play a role in the mammalian circadian oscillator, abrogating or altering clock function when overexpressed or depleted in cells. Although these...

Université de Fribourg

Protein phosphatase 1 (pp1) is a post-translational regulator of the mammalian circadian clock

Schmutz, Isabelle ; Wendt, Sabrina ; Schnell, Anna ; Kramer, Achim ; Mansuy, Isabelle M. ; Albrecht, Urs

In: PLoS ONE, 2011, vol. 6, no. 6, p. e21325

Circadian clocks coordinate the timing of important biological processes. Interconnected transcriptional and post-translational feedback loops based on a set of clock genes generate and maintain these rhythms with a period of about 24 hours. Many clock proteins undergo circadian cycles of post-translational modifications. Among these modifications, protein phosphorylation plays an important role...

See also: similar author names
1 Kramer, A.
1 Krämer, Alexander
4 Krämer, Angela