Plant Cell Monographs Volume 1, 2006, pp 63-82
Date: 22 Sep 2005

Plant Vacuoles: from Biogenesis to Function

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The plant vacuolar system is far more complex than originally expected and multiple sorting pathways leading to various types of vacuoles can be found depending on the cell type and on the stage of development. In addition, the vacuolar system is highly dynamic and can adjust to environmental signals to meet the changing needs of the plant. Some recent advances have been made in the identification of the molecular mechanisms by which such a complex compartmentation develops and evolves over time. In this review, we present an update of the latest results in this exciting field and propose distinct biogenesis models for the formation of vacuoles in vegetative and seed tissues, taking into account some apparently contradictory results.