AtKinesin-13A is located on Golgi-associated vesicle and involved in vesicle formation/budding in Arabidopsis root-cap peripheral cells.

BMC Plant Biology
Liqin WeiYan Li

Abstract

AtKinesin-13A is an internal-motor kinesin from Arabidopsis (Arabidopsis thaliana). Previous immunofluorescent results showed that AtKinesin-13A localized to Golgi stacks in plant cells. However, its precise localization and biological function in Golgi apparatus is unclear. In this paper, immunofluorescent labeling and confocal microscopic observation revealed that AtKinesin-13A was co-localized with Golgi stacks in Arabidopsis root tip cells. Immuno-electron microscopic observations indicated that AtKinesin-13A is primarily localized on Golgi-associated vesicles in Arabidopsis root-cap cells. By T-DNA insertion, the inactivation of the AtKinesin-13A gene (NM-112536) resulted in a sharp decrease of size and number of Golgi vesicles in root-cap peripheral cells. At the same time, these cells were vacuolated in comparison to the corresponding cells of the wild type. These results suggest that AtKinesin-13A decorates Golgi-associated vesicles and may be involved in regulating the formation of Golgi vesicles in the root-cap peripheral cells in Arabidopsis.

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Citations

Oct 6, 2010·Protoplasma·Giampiero Cai, Mauro Cresti
Dec 15, 2011·Protoplasma·Juan LiKang Chong
Jul 1, 2010·Plant & Cell Physiology·Kanako KitagawaYukimoto Iwasaki
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Sep 30, 2014·Journal of Integrative Plant Biology·Giampiero CaiMauro Cresti
Mar 20, 2016·Protoplasma·A M L van de MeeneAntony Bacic
Nov 26, 2013·Current Opinion in Plant Biology·Eduardo José Peña, Manfred Heinlein
May 21, 2013·Molecular Plant·Youssef ChebliAnja Geitmann
Sep 5, 2014·Protoplasma·Delphine GendreRishikesh P Bhalerao
Aug 6, 2018·The New Phytologist·Chiara Perico, Imogen Sparkes
Aug 28, 2020·Cell Adhesion & Migration·Iftikhar Ali, Wei-Cai Yang
Oct 17, 2017·Journal of Experimental Botany·Nicolas Pitzalis, Manfred Heinlein
Apr 3, 2021·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·Holly V GoodsonSusan H Brawley

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Methods Mentioned

BETA
confocal microscopy
electron microscopy
transmission electron microscopy

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