A protein phosphatase 2A complex spatially controls plant cell division

被引：128

作者：

Spinner, Lara ^{[1
,2
]}

Gadeyne, Astrid ^{[3
]}

Belcram, Katia ^{[1
,2
]}

Goussot, Magali ^{[1
,2
]}

Moison, Michael ^{[1
,2
]}

Duroc, Yann ^{[1
,2
]}

Eeckhout, Dominique ^{[3
]}

De Winne, Nancy ^{[3
]}

Schaefer, Estelle ^{[1
,2
]}

Van de Slijke, Eveline ^{[3
]}

Persiau, Geert ^{[3
]}

Witters, Erwin ^{[4
,5
]}

Gevaert, Kris ^{[6
,7
]}

De Jaeger, Geert ^{[3
]}

Bouchez, David ^{[1
,2
]}

Van Damme, Daniel ^{[3
]}

Pastuglia, Martine ^{[1
,2
]}

机构：

[1] INRA, IJPB, UMR1318, Saclay Plant Sci, F-78000 Versailles, France

[2] AgroParisTech, IJPB, UMR1318, Saclay Plant Sci, F-78000 Versailles, France

[3] Univ Ghent, Dept Plant Biotechnol & Bioinformat, B-9052 Ghent, Belgium

[4] Univ Antwerp, Ctr Proteome Anal & Mass Spectrometry, Dept Biol, B-2020 Antwerp, Belgium

[5] Vlaamse Instelling Technol Onderzoek, Flemish Inst Technol Res, B-2400 Mol, Belgium

[6] VIB, Dept Med Prot Res, B-9000 Ghent, Belgium

[7] Univ Ghent, Dept Biochem, B-9000 Ghent, Belgium

来源：

NATURE COMMUNICATIONS | 2013年 / 4卷

关键词：

TANDEM AFFINITY PURIFICATION; CORTICAL ARRAY ORGANIZATION; PREPROPHASE BAND FORMATION; ARABIDOPSIS-THALIANA; REGULATORY SUBUNIT; MICROTUBULE ORGANIZATION; GAMMA-TUBULIN; LAND PLANTS; LOCALIZATION; REVEALS;

D O I：

10.1038/ncomms2831

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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.

引用

页数：13

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