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Mechanisms of Organelle Inheritance in Dividing Plant Cells

摘要Organelles form essential compartments of all eukaryotic cells. Mechanisms that ensure the unbiased inheritance of organelles during cell division are therefore necessary to maintain the viability of future cell generations. Although inheritance of organelles represents a fundamental component of the cell cycle, surprisingly little is known about the underlying mechanisms that facilitate unbiased organelle inheritance. Evidence from a select number of studies, however,indicates that ordered organelle inheritance strategies exist in dividing cells of higher plants. The basic requirement for unbiased organelle inheritance is the duplication of organelle volume and distribution of the resulting organelle populations in a manner that facilitates unbiased partitioning of the organelle population to each daughter cell. Often, partitioning strategies are specific to the organelle, being influenced by the functional requirements of the organelle and whether the cells are mitotically active or re-entering into the cell cycle. Organelle partitioning mechanisms frequently depend on interactions with either the actin or microtubule cytoskeleton. In this focused review, we attempt to summarize key findings regarding organelle partitioning strategies in dividing cells of higher plants. We particularly concentrate on the role of the cytoskeleton in mediating unbiased organelle partitioning.

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作者单位 School of Environmental and Life Sciences, The University of Newcastle, Callaghan NSW 2308, Australia;Australian Research Council Centre of Excellence for Integrative Legume Research, School of Environmental and Life Sciences, The University of Newcastle, Callaghan NSW 2308, Australia [1] School of Environmental and Life Sciences, The University of Newcastle, Callaghan NSW 2308, Australia [2]
分类号 Q94
栏目名称 INVITED REVIEW
发布时间 2007-09-24
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植物学报(英文版)

植物学报(英文版)

2007年49卷8期

1208-1218页

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