Tim Köhler

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In Saccharomyces cerevisiae, the highly conserved Rho-type GTPase Cdc42 is essential for cell division and controls cellular development during mating and invasive growth. The role of Cdc42 in mating has been controversial, but a number of previous studies suggest that the GTPase controls the mitogen-activated protein (MAP) kinase cascade by activating the(More)
Sphingolipids are well known to promote keratinocyte differentiation and to induce ceramide production. In addition, they show anti-inflammatory and antimicrobial activities. Thus, the aim of this study is to investigate the potential effect of sphinganine on prolonging the hair anagen rate and improving the overall hair quality and scalp health. The(More)
Especially in robotic applications with hardly accessible and unknown environments like deep-sea or space missions, two requirements are given: First, the robotic systems need to work reliably and, second, an autonomous operation would increase the efficiency a lot. While the demand for a reliable system behaviour could be satisfied through pre-defined and(More)
Wickerhamomyces ciferrii secretes tetraacetyl phytosphingosine (TAPS), and in this study, the catalyzing acetyltransferases were identified using mass spectrometry-based proteomics. The proteome of wild-type strain NRRL Y-1031 served as control and was compared to the tetraacetyl phytosphingosine defective mating type NRRL Y-1031-27. Acetylation of(More)
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