REVIEW: Specific Organization of Golgi Apparatus in Plant Cells

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M. S. Vildanova¹, W. Wang², and E. A. Smirnova^1*

¹Biological Faculty, Lomonosov Moscow State University, 119234 Moscow, Russia; fax: +7 (495) 939-4309; E-mail: vch41048@mail.ru; kinggobi@yandex.ru

²China Rehabilitation Research Center, No. 10, Jiaomenbeilu, Fengtaiqu, Beijing 100068, China; E-mail: wzhwang@163.com

^* To whom correspondence should be addressed.

Received May 13, 2014; Revision received June 2, 2014

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Microtubules, actin filaments, and Golgi apparatus are connected both directly and indirectly, but it is manifested differently depending on the cell organization and specialization, and these connections are considered in many original studies and reviews. In this review we would like to discuss what underlies differences in the structural organization of the Golgi apparatus in animal and plant cells: specific features of the microtubule cytoskeleton organization, the use of different cytoskeleton components for Golgi apparatus movement and maintenance of its integrity, or specific features of synthetic and secretory processes. We suppose that a dispersed state of the Golgi apparatus in higher plant cells cannot be explained only by specific features of the microtubule system organization and by the absence of centrosome as an active center of their organization because the Golgi apparatus is organized similarly in the cells of other organisms that possess the centrosome and centrosomal microtubules. One of the key factors determining the Golgi apparatus state in plant cells is the functional uniformity or functional specialization of stacks. The functional specialization does not suggest the joining of the stacks to form a ribbon; therefore, the disperse state of the Golgi apparatus needs to be supported, but it also can exist “by default”. We believe that the dispersed state of the Golgi apparatus in plants is supported, on one hand, by dynamic connections of the Golgi apparatus stacks with the actin filament system and, on the other hand, with the endoplasmic reticulum exit sites distributed throughout the endoplasmic reticulum.

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KEY WORDS: cytoskeleton, microtubules, actin filaments, Golgi apparatus, plants

DOI: 10.1134/S0006297914090065

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