Inherent randomness of cell division patterns
نویسندگان
چکیده
منابع مشابه
The Inherent Randomness of Evolving Populations
The entropy rates of the Wright-Fisher process, the Moran process, and generalizations are computed and used to compare these processes and their dependence on standard evolutionary parameters. Entropy rates are measures of the variation dependent on both short-run and long-run behavior, and allow the relationships between mutation, selection, and population size to be examined. Bounds for the ...
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Epidermal and intestinal tissues divide throughout life to replace lost surface cells. These renewing tissues have long-lived basal stem cell lineages that divide many times, each division producing one stem cell and one transit cell. The transit cell divides a limited number of times, producing cells that move up from the basal layer and eventually slough off from the surface. If mutation rate...
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shoots is complex: there are many different and indeIntroduction pendent modes of cell division control. The origin of the Understanding the control of the patterns and numbers cells that will later form leaves or flowers is in the primary of cell divisions in developing plants and animals is cenSAM (Figure 1; Figure 2A). This small collection of cells tral to understanding the mechanisms of de...
متن کاملChanging patterns of actin localization during cell division.
Changing patterns of actin localization have been studied on a light microscopic level by means of fluorescently labeled heavy meromyosin. The cellular distribution of actin is characterized by four major patterns, each of which corresponds to a particular phase of cell division. Long actin fibers are a prominent feature of the interphase cell. They disappear as the cell rounds up for mitosis a...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2011
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1103212108