Cell division: Plant-like properties of animal cell cytokinesis
نویسندگان
چکیده
Recent evidence that a syntaxin is required for cytokinesis in Caenorhabditis elegans embryos suggests that the mechanism of cell division in plant and animal cells may be more similar than previously imagined.
منابع مشابه
Cytokinesis in eukaryotes.
Cytokinesis is the final event of the cell division cycle, and its completion results in irreversible partition of a mother cell into two daughter cells. Cytokinesis was one of the first cell cycle events observed by simple cell biological techniques; however, molecular characterization of cytokinesis has been slowed by its particular resistance to in vitro biochemical approaches. In recent yea...
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Cytokinesis — the division of one cell into two daughters — is a complex event which, despite being studied for more than one hundred years, remains poorly understood. Although the end result of cytokinesis — two cells — is the same in all cell types, there are many different ways that cell division can occur. Most animal cells divide by forming a central constriction that pinches the cell into...
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Control of the pattern of cell division is essential for the proper development of multicellular organisms. In animal cells, cytokinesis is mediated by a contractile ring in which the cleavage force is produced by an acto-myosin system. Furthermore, the future site of cell division in animal cells (the site where contraction starts in the cell cortex) is determined by the position of the aster ...
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In higher plant cells, microtubules (MTs) are nucleated and organized in a centrosome-independent manner. It is unclear whether augmin-dependent mechanisms underlie spindle MT organization in plant cells as they do in animal cells. When AUGMIN subunit3 (AUG3), which encodes a homolog of animal dim γ-tubulin 3/human augmin-like complex, subunit 3, was disrupted in Arabidopsis thaliana, gametogen...
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During plant cytokinesis membrane vesicles are efficiently delivered to the cell-division plane, where they fuse with one another to form a laterally expanding cell plate. These membrane vesicles were generally believed to originate from Golgi stacks. Recently, however, it was proposed that endocytosis contributes substantially to cell-plate formation. To determine the relative contributions of...
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عنوان ژورنال:
- Current Biology
دوره 9 شماره
صفحات -
تاریخ انتشار 1999