A protein phosphatase 2A complex spatially controls plant cell division

Lara Spinner, Astrid Gadeyne, Katia Belcram, Magali Goussot, Michaël Moison, Yann Duroc, Dominique Eeckhout, Nancy De Winne, Estelle Schaefer, Eveline Van De Slijke, Geert Persiau, Erwin Witters, Kris Gevaert, Geert De Jaeger, David Bouchez, Daniël Van Damme () and Martine Pastuglia ()
Additional contact information
Lara Spinner: INRA, Institut Jean-Pierre Bourgin (IJPB) UMR1318, Saclay Plant Science
Astrid Gadeyne: VIB, Technologiepark 927
Katia Belcram: INRA, Institut Jean-Pierre Bourgin (IJPB) UMR1318, Saclay Plant Science
Magali Goussot: INRA, Institut Jean-Pierre Bourgin (IJPB) UMR1318, Saclay Plant Science
Michaël Moison: INRA, Institut Jean-Pierre Bourgin (IJPB) UMR1318, Saclay Plant Science
Yann Duroc: INRA, Institut Jean-Pierre Bourgin (IJPB) UMR1318, Saclay Plant Science
Dominique Eeckhout: VIB, Technologiepark 927
Nancy De Winne: VIB, Technologiepark 927
Estelle Schaefer: INRA, Institut Jean-Pierre Bourgin (IJPB) UMR1318, Saclay Plant Science
Eveline Van De Slijke: VIB, Technologiepark 927
Geert Persiau: VIB, Technologiepark 927
Erwin Witters: Center for Proteome Analysis and Mass Spectrometry, University of Antwerp, B-2020 Antwerp, Belgium
Kris Gevaert: VIB, A. Baertsoenkaai 3
Geert De Jaeger: VIB, Technologiepark 927
David Bouchez: INRA, Institut Jean-Pierre Bourgin (IJPB) UMR1318, Saclay Plant Science
Daniël Van Damme: VIB, Technologiepark 927
Martine Pastuglia: INRA, Institut Jean-Pierre Bourgin (IJPB) UMR1318, Saclay Plant Science

Nature Communications, 2013, vol. 4, issue 1, 1-13

Abstract: Abstract In the absence of cell migration, the orientation of cell divisions is crucial for body plan determination in plants. The position of the division plane in plant cells is set up premitotically via a transient cytoskeletal array, the preprophase band, which precisely delineates the cortical plane of division. Here we describe a protein complex that targets protein phosphatase 2A activity to microtubules, regulating the transition from the interphase to the premitotic microtubule array. This complex, which comprises TONNEAU1 and a PP2A heterotrimeric holoenzyme with FASS as regulatory subunit, is recruited to the cytoskeleton via the TONNEAU1-recruiting motif family of proteins. Despite the acentrosomal nature of plant cells, all members of this complex share similarity with animal centrosomal proteins involved in ciliary and centriolar/centrosomal functions, revealing an evolutionary link between the cortical cytoskeleton of plant cells and microtubule organizers in other eukaryotes.

Date: 2013
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DOI: 10.1038/ncomms2831

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