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Duplication and Cellular Functions of Drosophila Centrioles (360G-Wellcome-202855_Z_16_Z)

Centrioles, at the core of centrosomes, orchestrate structure and function in the interface and mitotic cell. Here we aim to understand how centriole duplication is controlled. This requires Plk4 kinase to phosphorylate Ana2 in part so it can bind Sas6. Here we address how phospho-Ana2 interacts with other core procentriole components, Dragon, Ana3 and Rcd4 and how these events are spatially regulated to achieve duplication. Second, we aim to characterize how centriole to centrosome conversion is regulated giving newly formed centrioles competence to duplicate and nucleate cellular microtubules. We will determine how Polo kinase regulates formation of the Cep135, Ana1, Asl network essential for centriole conversion. We will also assess roles of Polo and Plk4 in anchoring peri-centriolar material (PCM) to the centriole and Plk4’s role at the peri-centriolar satellites to mobilise centrosomal molecules. Thirdly, we address how centrosomes can organise membranous vesicles. We focus upon Dragon, a molecule present in the centriole and the Golgi apparatus, and Rosario, counterpart of lysozyme-like vesicle protein LYST, required to evenly distribute centrosomes in the syncytial embryo. We will characterize the process whereby primordial germ cells form in the syncytium, an event triggered by interactions of centrosomes with the embryo’s polar cytoplasm.

£1,543,160

05 Jul 2016

Grant details
Amount Awarded 1543160
Applicant Surname Glover
Approval Committee Science Interview Panel
Award Date 2016-07-05T00:00:00+00:00
Financial Year 2015/16
Grant Programme: Title Investigator Award in Science
Internal ID 202855/Z/16/Z
Lead Applicant Prof David Glover
Planned Dates: End Date 2021-10-01T00:00:00+00:00
Planned Dates: Start Date 2016-10-01T00:00:00+00:00
Recipient Org: Country United Kingdom
Region East of England
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