contribution of cell cycle regulation to endosperm development

Development of the seed endosperm involves several different types of coordinated cell cycle programs: acytokinetic mitosis, which produces a syncytium soon after fertilization; cellularization through the formation of modified phragmoplasts; cell proliferation, in which mitosis is coupled to cell d...

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Bibliographic Details
Published in:Sexual plant reproduction 2009-12, Vol.22 (4), p.207-219
Main Authors: Sabelli, Paolo A, Larkins, Brian A
Format: Article
Language:English
Subjects:
Agriculture
Arabidopsis - cytology
Arabidopsis - embryology
Arabidopsis - genetics
Arabidopsis - metabolism
Biomedical and Life Sciences
Cell Biology
Cell Cycle
Endosperm - cytology
Endosperm - embryology
Endosperm - genetics
Endosperm - metabolism
Gene Expression Regulation, Plant
Life Sciences
Plant Proteins - genetics
Plant Proteins - metabolism
Plant Sciences
Review
Zea mays - cytology
Zea mays - embryology
Zea mays - genetics
Zea mays - metabolism
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Summary:Development of the seed endosperm involves several different types of coordinated cell cycle programs: acytokinetic mitosis, which produces a syncytium soon after fertilization; cellularization through the formation of modified phragmoplasts; cell proliferation, in which mitosis is coupled to cell division; and, in certain species like cereal crops, endoreduplication. Understanding the regulation of these programs and their transitions is challenging, but it has the potential to define important links between the cell cycle, cell differentiation and development, as well as provide tools for the manipulation of seed yield. A relatively large number of mutants display endosperm proliferation defects, and connections with known cell cycle genes are beginning to emerge. For example, it is becoming increasingly evident that the master cell cycle regulators, the cyclin-dependent kinases and retinoblastoma-related families, play key roles in the events leading to endosperm formation and development. Recent studies highlight cross-talk between pathways controlling the cell cycle and genomic imprinting.
ISSN:0934-0882
1432-2145
DOI:10.1007/s00497-009-0105-4