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PIP kinases and their role in plant tip growing cells

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Title: PIP kinases and their role in plant tip growing cells
Authors: Saavedra, Laura Browse this author
Mikami, Koji Browse this author →KAKEN DB
Malhó, Rui Browse this author
Sommarin, Marianne Browse this author
Keywords: PtdIns(4,5)P2
Physcomitrella patens
Arabidopsis thaliana
tip growth
cell differentiation
Issue Date: Oct-2012
Publisher: Landes Bioscience
Journal Title: Plant Signaling & Behavior
Volume: 7
Issue: 10
Start Page: 1302
End Page: 1305
Publisher DOI: 10.4161/psb.21547
Abstract: Phosphatidylinositol (4,5) bisphosphate [PtdIns(4,5)P2], is a signaling lipid involved in many important processes in animal cells such as cytoskeleton organization, intracellular vesicular trafficking, secretion, cell motility, regulation of ion channels, and nuclear signaling pathways. In the last years PtdIns(4,5)P2 and its synthesizing enzyme, phosphatidylinositol phosphate kinase (PIPK), has been intensively studied in plant cells, revealing a key role in the control of polar tip growth. Analysis of the PIPK members from Arabidopsis thaliana, Oryza sativa and Physcomitrella patens showed that they share some regulatory features with animal PIPKs but also exert plant-specific modes of regulation. This review aims at giving an overview on the PIPK family from Arabidopsis thaliana and Physcomitrella patens. Even though their basic structure, modes of activation and physiological role is evolutionary conserved, modules responsible for plasma membrane localization are distinct for different PIPKs, depending on differences in physiological and/ or developmental status of cells, such as polarized and nonpolarized.
Type: article (author version)
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 三上 浩司

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