One of the earliest lessons students learn in biology is the process of mitosis and how cells divide to produce daughter cells. Although first described more than a century ago by early investigators such as E. B. Wilson, many aspects of mitosis and cell division remain the subject of considerable research today. My personal investigations and research contributions to the study of mitosis were made possible by recent developments in the field when I began my career, including access to novel mammalian cell culture models and electron and fluorescence microscopy. Building upon those innovations, my laboratory and other contemporary investigators first charted the ultrastructure and molecular organization of mitosis and chromosome movement and the assembly and function of the cytoskeleton. This field of research remains a significant challenge for future investigators in cell biology and medicine.
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