Research Training Group 2498

Research Training Group 2498

Communication and Dynamics of Plant Cell Compartments

“Identification of a lipid droplet-plasma membrane tethering complex in Arabidopsis”

Halle Plant Science Colloquium

presented by Till Ischebeck (Georg-August-University Göttingen, Albrecht-von-Haller-Institute for Plant Sciences)

Date: 13 April, 2021
Time: 5:00 pm to 6:30 pm
Location: Online (Webex), ID 121 926 2330, PW: 13Apr21@HPSC

Abstract: Lipid droplets (LDs, also referred to as oleosomes or oil bodies) are unique subcellular compartments consisting of a phospholipidmonolayer surrounding a hydrophobic core of predominantly triacylglycerol and sterol esters. We are using proteomics and microscopy to identify proteins associated with LDs and to study their function. This way we aim to learn more about the subcellular and physiological functions of LDs. One aspect that we are especially interested in are how LDs interact with other subcellular structures to fulfil their function. One mode of interaction are membrane contact sites (MCS) that allow for the direct exchange of molecules, such as lipids between compartments, but can also serve to tether compartments at specific locations in cells. We found such a MCS between LDs and the plasma membrane and identified three proteins important for its constitution.

The Halle Plant Science Colloquium (HPSC) is an interdepartmental colloquium of Institutions of the Martin-Luther-University working on any aspect of functional plant biology.

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