Results 311 to 320 of about 12,176,123 (363)
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Biosystems, 2004
After a survey of the theory and some realizations of self-replicating machines, this paper presents a novel self-replicating loop endowed with universal construction and computation properties. Based on the hardware implementation of the so-called Tom Thumb algorithm, the design of this loop leads to a new kind of cellular automaton made of a ...
Mange, D. +3 more
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After a survey of the theory and some realizations of self-replicating machines, this paper presents a novel self-replicating loop endowed with universal construction and computation properties. Based on the hardware implementation of the so-called Tom Thumb algorithm, the design of this loop leads to a new kind of cellular automaton made of a ...
Mange, D. +3 more
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Cell surface and cell division
Cell Biophysics, 1982A mathematical model of the regulation of cell division is suggested. The model is based on the hypothesis that the process giving rhythm to cell division is located in the cell membrane: i.e., the process of free-radical oxidation of membrane lipids. Much depends on the physical state of the membrane.
D.S. Chernavskii +2 more
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Current Opinion in Cell Biology, 2006
The correlation between cell shape elongation and the orientation of the division axis described by early cell biologists is still used as a paradigm in developmental studies. However, analysis of early embryo development and tissue morphogenesis has highlighted the role of the spatial distribution of cortical cues able to guide spindle orientation. In
Manuel Théry, Michel Bornens
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The correlation between cell shape elongation and the orientation of the division axis described by early cell biologists is still used as a paradigm in developmental studies. However, analysis of early embryo development and tissue morphogenesis has highlighted the role of the spatial distribution of cortical cues able to guide spindle orientation. In
Manuel Théry, Michel Bornens
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Phagocytosis and Cell Division [PDF]
Nature, 1959 MOST investigators believe that reticulo-endothelial cells, through ingestion of the antigen, play an initial part in the synthesis of antibody1,2. Study of phagocytosis of particulate antigens lends support to this concept3. Since antibody is merely one form of protein, its formation could theoretically occur immediately; however, it appears to be ...
Stanley Simbonis +3 more
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Annual Review of Genetics, 1999
▪ Abstract Formation of the bacterial division septum is catalyzed by a number of essential proteins that assemble into a ring structure at the future division site. Assembly of proteins into the cytokinetic ring appears to occur in a hierarchial order that is initiated by the FtsZ protein, a structural and functional analog of eukaryotic tubulins ...
J García-Lara +2 more
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▪ Abstract Formation of the bacterial division septum is catalyzed by a number of essential proteins that assemble into a ring structure at the future division site. Assembly of proteins into the cytokinetic ring appears to occur in a hierarchial order that is initiated by the FtsZ protein, a structural and functional analog of eukaryotic tubulins ...
J García-Lara +2 more
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Current Opinion in Cell Biology, 1993
The past couple of years have seen the isolation and characterization of many of the regulatory genes from plants that are thought to be intimately involved in regulation of the cell division cycle. In addition, characterization of plant-specific aspects of the cell division cycle has provided insight into how spatial and temporal controls may be ...
Christopher J. Staiger, John H. Doonan
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The past couple of years have seen the isolation and characterization of many of the regulatory genes from plants that are thought to be intimately involved in regulation of the cell division cycle. In addition, characterization of plant-specific aspects of the cell division cycle has provided insight into how spatial and temporal controls may be ...
Christopher J. Staiger, John H. Doonan
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Genetic control of the cell division cycle in yeast.
Science, 1974Mitotic cell division in eukaryotes is accomplished through a highly reproducible temporal sequence of events that is common to almost all higher organisms.
L. Hartwell +3 more
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Current Opinion in Cell Biology, 2004
Asymmetric cell division is a conserved mechanism for partitioning information during mitosis. Over the past several years, significant progress has been made in our understanding of how cells establish polarity during asymmetric cell division and how determinants, in the form of localized proteins and mRNAs, are segregated.
Yuh Nung Jan, Fabrice Roegiers
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Asymmetric cell division is a conserved mechanism for partitioning information during mitosis. Over the past several years, significant progress has been made in our understanding of how cells establish polarity during asymmetric cell division and how determinants, in the form of localized proteins and mRNAs, are segregated.
Yuh Nung Jan, Fabrice Roegiers
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2016
The challenging task of mitotic cell divisions is to generate two genetically identical daughter cells from a single precursor cell. To accomplish this task, a complex regulatory network evolved, which ensures that all events critical for the duplication of cellular contents and their subsequent segregation occur in the correct order, at specific ...
Andreas Heim +2 more
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The challenging task of mitotic cell divisions is to generate two genetically identical daughter cells from a single precursor cell. To accomplish this task, a complex regulatory network evolved, which ensures that all events critical for the duplication of cellular contents and their subsequent segregation occur in the correct order, at specific ...
Andreas Heim +2 more
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Journal of Biomechanics, 1979
Abstract We present a model of cell division of a spherical cell which relates the deformation of the cell and the cell membrane to the forces in the contractile ring or furrow region of a dividing cell. The spherical cell of a sea urchin egg is considered as a spherical nonlinear elastic membrane enclosing an incompressible fluid. The results of the
Thomas J. Lardner, P. Pujara
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Abstract We present a model of cell division of a spherical cell which relates the deformation of the cell and the cell membrane to the forces in the contractile ring or furrow region of a dividing cell. The spherical cell of a sea urchin egg is considered as a spherical nonlinear elastic membrane enclosing an incompressible fluid. The results of the
Thomas J. Lardner, P. Pujara
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