Graduate School Life Science Munich

Doctoral position - Molecular mechanisms regulating centrosome dynamics

2024-10-24 (Europe/Berlin)
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Department/Institute: LMU, Faculty of Biology, Cell- and Developmental Biology

Subject areas/Research fields: Cell Biology

Keywords: Centrosome, PCM, C. elegans

Name of supervisor: Dr. Tamara Mikeladze-Dvali

Project title: Molecular mechanisms regulating centrosome dynamics 

Project description:

Centrosomes are the main microtubule organizing centers of animal cells and at the same time represent signaling hubs, harboring mitotic kinases and cell cycle regulators. Centrosomes comprise a pair of centrioles, surrounded by the pericentriolar material (PCM), a proteinaceous matrix, undergoing dynamic changes during the cell cycle. 

Structural integrity of the PCM is essential for a bipolar spindle assembly and faithful cell division. Deregulation of PCM can lead to multipolar spindle formation, which is a source of aneuploidy and can lead to conditions like microcephaly and cancer. Therefore, precise regulation of centrosome components is key for maintaining genome stability and sustaining cell proliferation.

Our group aims to delineate mechanisms regulating centrosome stability and function using C. elegans as a model organism. In particular, we are interested in understanding how the microcephaly-associated proteins PCMD-1 (pericentrin in humans) and SPD-5 (Cdk5Rap2 in humans) ensure spindle pole integrity. The project will employ a broad spectrum of methods in molecular biology, genetics, quantitative live-cell imaging and biochemistry.

References:

Stenzel, L. et al. PCMD-1 bridges the centrioles and the pericentriolar material scaffold in C. elegans. Development. 2021 Oct 15;148(20):dev198416. doi: 10.1242/dev.198416. Epub 2021 Oct 19. PMID: 34545391.

Mittasch, M., et al. Regulated changes in material properties underlie centrosome disassembly during mitotic exit. J Cell Biol. 2020 Apr 6;219(4):e201912036. Doi: 10.1083/jcb.201912036. PMID: 32050025; PMCID: PMC7147112.

Erpf, A.C., et al. PCMD-1 Organizes Centrosome Matrix Assembly in C. elegans. Curr Biol. 2019 Apr 22;29(8):1324-1336.e6. doi: 10.1016/j.cub.2019.03.029. Epub 2019 Apr 11. PMID: 30982652.

For further information, please contact: 

Dr. Tamara Mikeladze-Dvali (tmdvali@bio.lmu.de)

Research group website: 

https://www.cellbiology.bio.lmu.de/research_groups/mikeladze/index.html

Apply: Please send your application through the online portal of the Graduate School Life Science Munich (LSM) 

Informatie over de vacature

Functienaam
Doctoral position - Molecular mechanisms regulating centrosome dynamics
Locatie
Grosshadernerstr. 2-4 München, Duitsland
Gepubliceerd
2024-09-01
Uiterste sollicitatiedatum
2024-10-24 23:59 (Europe/Berlin)
2024-10-24 23:59 (CET)
Soort functie
PhD
Baan opslaan

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