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Brief Communication

Nature Cell Biology 4, 711–714 (1 September 2002) | doi:10.1038/ncb844

MOR1/GEM1 has an essential role in the plant-specific cytokinetic phragmoplast

David Twell , Soon Ki Park , Timothy J. Hawkins , Daniel Schubert , Renate Schmidt , Andrei Smertenko & Patrick J. Hussey

MOR1 is a member of the MAP215 family of microtubule-associated proteins and is required to establish interphase arrays of cortical microtubules in plant cells. Here we show that MOR1 binds microtubules in vivo, localizing to both cortical microtubules and to areas of overlapping microtubules in the phragmoplast.