Cytoskeletal and membrane dynamics during higher plant cytokinesis.
Following mitosis, cytoplasm, organelles and genetic material are partitioned into daughter cells through the process of cytokinesis. In somatic cells of higher plants, two cytoskeletal arrays, the preprophase band and the phragmoplast, facilitate the positioning and de novo assembly of the plant-specific cytokinetic organelle, the cell plate, which develops across the division plane and fuses with the parental plasma membrane to yield distinct new cells. The coordination of cytoskeletal and membrane dynamics required to initiate, assemble and shape the cell plate as it grows toward the mother cell cortex is dependent upon a large array of proteins, including molecular motors, membrane tethering, fusion and restructuring factors and biosynthetic, structural and regulatory elements. This review focuses on the temporal and molecular requirements of cytokinesis in somatic cells of higher plants gleaned from recent studies using cell biology, genetics, pharmacology and biochemistry.
Department of Biochemistry, University of Wisconsin-Madison, 433 Babcock Dr, Madison, WI, 53713, USA.
Colleen M
CM
McMichael
Department of Biochemistry, University of Wisconsin-Madison, 433 Babcock Dr, Madison, WI, 53713, USA.
Sebastian Y
SY
Bednarek
D002462:Cell Membrane / Q000378:metabolism / Q000502:physiology* / Q000648:ultrastructure; D002473:Cell Wall / Q000378:metabolism / Q000502:physiology / Q000648:ultrastructure; D048749:Cytokinesis / Q000502:physiology*; D003599:Cytoskeleton / Q000378:metabolism / Q000502:physiology* / Q000648:ultrastructure; D004721:Endoplasmic Reticulum / Q000378:metabolism / Q000502:physiology; D050356:Lipid Metabolism; D008565:Membrane Proteins / Q000235:genetics / Q000378:metabolism / Q000502:physiology*; D059828:Plant Cells / Q000378:metabolism / Q000502:physiology* / Q000648:ultrastructure; D010940:Plant Proteins / Q000235:genetics / Q000378:metabolism / Q000502:physiology*; D022161:Transport Vesicles / Q000378:metabolism / Q000502:physiology
D008565:Membrane Proteins; D010940:Plant Proteins