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Microtubules and motors in plants

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Thursday 08 September 2016, 11:00 - 12:30

 
ABSTRACT

The microtubule cytoskeleton is utilised in a variety of cellular activities in eukaryotes, such as cell division, cell polarisation, and organelle transport. Interestingly, land plants have lost centrosomes and the cytoplasmic dynein motor complex during evolution, which are critical factors that control various microtubule-related activities in animals and fungi. How do plants manage without them? To address this question, our laboratory started a study using the moss Physcomitrella patens as a plant model system. By developing RNAi tools and imaging technology, we gained insights into how microtubules are nucleated without centrosomes (1, 2). In this presentation, I will discuss our latest finding, “plant dynein”, which is required for intracellular transport of the nucleus, chloroplasts, and newly born microtubules.

 

References: (1) Nakaoka, Miki et al. Plant Cell. 2012. (2) Nakaoka et al., Plant Cell. 2015.

Location Jozef Schell seminar room
Contact Prof Gohta Goshima
Nagoya University, Japan