A Model for Cell Proliferation in a Developing Organism
... moves to site i + 1 pushing all cells to the right of it up by one. A new unmarked cell now occupies site i. Times between proliferation events are iid exp(λ). Equivalently. You can think of independent homogenous rate-λ Poisson processes at each site triggering proliferation events. The state X (t) ...
... moves to site i + 1 pushing all cells to the right of it up by one. A new unmarked cell now occupies site i. Times between proliferation events are iid exp(λ). Equivalently. You can think of independent homogenous rate-λ Poisson processes at each site triggering proliferation events. The state X (t) ...
The Organization Of The Plant Body
... a thin peripheral layer. The central part of the cell becomes occupied by a mass of dense material. This mass, which was called slime in the early literature, can be seen with the light microscope. It is called P-protein (Fig. 4.15a); it is actually composed of a complex of proteins. When the sieve- ...
... a thin peripheral layer. The central part of the cell becomes occupied by a mass of dense material. This mass, which was called slime in the early literature, can be seen with the light microscope. It is called P-protein (Fig. 4.15a); it is actually composed of a complex of proteins. When the sieve- ...
Foundations - Cells, organelles and cell boundaries
... db=Books&rid=cell.section.61#82) | Some of the different types of cells present in the vertebrate body (http://www.ncbi.nlm.nih.gov:80/books/bv.fcgi?db=Books&rid=cell.box.79) | Chapter 10 - Membrane Structure (http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=cell&part=A2443) | Three views of a cel ...
... db=Books&rid=cell.section.61#82) | Some of the different types of cells present in the vertebrate body (http://www.ncbi.nlm.nih.gov:80/books/bv.fcgi?db=Books&rid=cell.box.79) | Chapter 10 - Membrane Structure (http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=cell&part=A2443) | Three views of a cel ...
Animal and Plant Cell Culture: An Introduction
... experiments. Aspects suitable for experimental investigation might include the culture and passaging of animal cells, plant callus culture, carrot or cauliflower cultures, protoplast production and observation, the effect of plant hormones on mustard seedlings in culture. ...
... experiments. Aspects suitable for experimental investigation might include the culture and passaging of animal cells, plant callus culture, carrot or cauliflower cultures, protoplast production and observation, the effect of plant hormones on mustard seedlings in culture. ...
The integrin–actin connection, an eternal love affair
... controls integrin function. In CHO cells, increased ®lamin binding to integrins by the introduction of point mutations into the cytoplasmic domain of b1 and b7-integrins reduced membrane protrusion, cell polarization and consequently cell migration (Calderwood et al., 2001). Filamin can induce reorg ...
... controls integrin function. In CHO cells, increased ®lamin binding to integrins by the introduction of point mutations into the cytoplasmic domain of b1 and b7-integrins reduced membrane protrusion, cell polarization and consequently cell migration (Calderwood et al., 2001). Filamin can induce reorg ...
Terminal Cytokinesis Events Uncovered after an RNAi Screen
... separation of daughter cells. Rather, as first described by Flemming in 1891 (see [7]), a persistent intercellular bridge forms around the spindle remnant; this bridge is marked at its center by a darkly staining structure, or midbody (e.g., Figure 1A, insert). This bridge remains long after furrowi ...
... separation of daughter cells. Rather, as first described by Flemming in 1891 (see [7]), a persistent intercellular bridge forms around the spindle remnant; this bridge is marked at its center by a darkly staining structure, or midbody (e.g., Figure 1A, insert). This bridge remains long after furrowi ...
Actin Microfilaments Regulate Vacuolar Structures and Dynamics
... of daughter cell nuclei at early G1 phase, suggesting a requirement for the acto-myosin system for vacuolar morphogenesis during cell cycle progression. These results suggest that MFs support the vacuolar structures and that the acto-myosin system plays an essential role in vacuolar morphogenesis. ...
... of daughter cell nuclei at early G1 phase, suggesting a requirement for the acto-myosin system for vacuolar morphogenesis during cell cycle progression. These results suggest that MFs support the vacuolar structures and that the acto-myosin system plays an essential role in vacuolar morphogenesis. ...
references - Acusmatica.org
... having the installation running at the the Tropical Ravine at the Botanic Gardens. It incorporates additional ways of collecting data and therefore new musical parameters, from different sensors as photoresistors, a sonar mounted on a servo, barometer, thermostat, rain detector, minisolar panel, all ...
... having the installation running at the the Tropical Ravine at the Botanic Gardens. It incorporates additional ways of collecting data and therefore new musical parameters, from different sensors as photoresistors, a sonar mounted on a servo, barometer, thermostat, rain detector, minisolar panel, all ...
Chapter 3 PDF
... that water is necessary for maintaining cell structure. This is only one of many reasons that water is an essential component for life, however. Many chemical reactions occur in the cytoplasm, where water acts as an important solvent. The remainder of this chapter highlights the structure and functi ...
... that water is necessary for maintaining cell structure. This is only one of many reasons that water is an essential component for life, however. Many chemical reactions occur in the cytoplasm, where water acts as an important solvent. The remainder of this chapter highlights the structure and functi ...
Chapter 3 PDF
... that water is necessary for maintaining cell structure. This is only one of many reasons that water is an essential component for life, however. Many chemical reactions occur in the cytoplasm, where water acts as an important solvent. The remainder of this chapter highlights the structure and functi ...
... that water is necessary for maintaining cell structure. This is only one of many reasons that water is an essential component for life, however. Many chemical reactions occur in the cytoplasm, where water acts as an important solvent. The remainder of this chapter highlights the structure and functi ...
Dry Cell Batteries acceptable for recycling
... Description: Small dry-cell batteries, sealed, non-rechargeable Formats: Button cells, AA, AAA, 9-volt, small-cylinder, custom sizes Common Uses: Watches, cameras, handheld electronics, tire-pressure sensors, alarms, memory backup, high-temperature applications, pacemakers, remote car locks ...
... Description: Small dry-cell batteries, sealed, non-rechargeable Formats: Button cells, AA, AAA, 9-volt, small-cylinder, custom sizes Common Uses: Watches, cameras, handheld electronics, tire-pressure sensors, alarms, memory backup, high-temperature applications, pacemakers, remote car locks ...
Parallels between tissue repair and embryo morphogenesis
... The final phase, termination (Fig. 3D), produces the seamless midline. During this phase, filopodia regress and their transient adhesions are converted into permanent adhesions with the formation of adherens junctions (see Box S1 at http://dev.biologists.org/supplemental). As with the signal(s) requ ...
... The final phase, termination (Fig. 3D), produces the seamless midline. During this phase, filopodia regress and their transient adhesions are converted into permanent adhesions with the formation of adherens junctions (see Box S1 at http://dev.biologists.org/supplemental). As with the signal(s) requ ...
Sordaria Lab
... the perithecium. The sterile tissue from the old ascogonium forms the perithecium wall and the periphyses. The order of ascospores in the ascus reflects the order in which the chromosomes are segregated during meiosis. This can be clearly visualized if the diploid nucleus is a hybrid for strains wit ...
... the perithecium. The sterile tissue from the old ascogonium forms the perithecium wall and the periphyses. The order of ascospores in the ascus reflects the order in which the chromosomes are segregated during meiosis. This can be clearly visualized if the diploid nucleus is a hybrid for strains wit ...
Motion of red blood cells in a capillary with an - AJP
... glycocalyx, consisting of bound and adsorbed macromolecules. Electron-microscopic studies have typically revealed a layer several tens of nanometers thick. In vivo investigations of blood flow in capillaries have shown the presence of a much thicker layer, estimated to be ⬃0.4–1 m thick, known as t ...
... glycocalyx, consisting of bound and adsorbed macromolecules. Electron-microscopic studies have typically revealed a layer several tens of nanometers thick. In vivo investigations of blood flow in capillaries have shown the presence of a much thicker layer, estimated to be ⬃0.4–1 m thick, known as t ...
Organization of Yeast Communities Cell Signals, Cell
... The structures of yeast communities also vary between species. For example, biofilms formed by S. cerevisiae differ dramatically from biofilms formed by Candida albicans. C. albicans is a commensal in healthy individuals but can become a serious pathogen in immunocompromised individuals, such as pre ...
... The structures of yeast communities also vary between species. For example, biofilms formed by S. cerevisiae differ dramatically from biofilms formed by Candida albicans. C. albicans is a commensal in healthy individuals but can become a serious pathogen in immunocompromised individuals, such as pre ...
Two-dimensional numerical study of flow
... shear flow causes the elongation of the non-adherent part of the cell membrane forming a long thin cylinder shape (i.e., cell tether). The formation of cell tether is important for regulation of cell adhesion strength and stabilization of cell rolling, and may significantly affect the flow dynamics ins ...
... shear flow causes the elongation of the non-adherent part of the cell membrane forming a long thin cylinder shape (i.e., cell tether). The formation of cell tether is important for regulation of cell adhesion strength and stabilization of cell rolling, and may significantly affect the flow dynamics ins ...
- Catalyst
... measurements to maintain constant ionic strength. Nitrate standards at 0.0050 M and 0.0100 M were used, diluted, and gave voltage readings of –0.3496 V and –0.3662 V against S.C.E. (ESCE = +0.241 V). The sample read –0.3606 against S.C.E. What was the nitrate concentration in mg/L in the original sa ...
... measurements to maintain constant ionic strength. Nitrate standards at 0.0050 M and 0.0100 M were used, diluted, and gave voltage readings of –0.3496 V and –0.3662 V against S.C.E. (ESCE = +0.241 V). The sample read –0.3606 against S.C.E. What was the nitrate concentration in mg/L in the original sa ...
γ-Tubulin Is Essential for Microtubule Organization and
... g-tubulin–containing complexes have nucleation activity in Arabidopsis (Drykova et al., 2003). The ability of plant g-tubulin to nucleate microtubules was demonstrated by heterologous expression of Arabidopsis g-tubulin in fission yeast lacking endogenous g-tubulin. Arabidopsis g-tubulin was able to ...
... g-tubulin–containing complexes have nucleation activity in Arabidopsis (Drykova et al., 2003). The ability of plant g-tubulin to nucleate microtubules was demonstrated by heterologous expression of Arabidopsis g-tubulin in fission yeast lacking endogenous g-tubulin. Arabidopsis g-tubulin was able to ...
Document
... Rop GTPase • Rop is a plant-specific subfamily of the Rho family of G protein that include Cdc42, Rac and Rho subfamilies from animals and fungi. (Rho GTPase signaling has been shown to regulate a wide variety of cellular processes, including reorganization and dynamics of F-actin, microtubule org ...
... Rop GTPase • Rop is a plant-specific subfamily of the Rho family of G protein that include Cdc42, Rac and Rho subfamilies from animals and fungi. (Rho GTPase signaling has been shown to regulate a wide variety of cellular processes, including reorganization and dynamics of F-actin, microtubule org ...
Control of the Cell Cycle in Early Embryos
... cycle and arrest at the G2/M border of meiosis I. In clams, fertilization provides the extracellular signal that breaks this cell cycle arrest and initiates a series of rapid cell division cycles. In this paper, we consider two aspects of this process: the rapid, one-time activation of a member of t ...
... cycle and arrest at the G2/M border of meiosis I. In clams, fertilization provides the extracellular signal that breaks this cell cycle arrest and initiates a series of rapid cell division cycles. In this paper, we consider two aspects of this process: the rapid, one-time activation of a member of t ...
Regulation of human embryonic stem cell differentiation by BMP
... potential of human ES cells, it will be essential to understand the molecular control of their growth and differentiation. Under certain conditions in vitro, human ES cells differentiate spontaneously into a wide range of somatic and extraembryonic cell types (Itskovitz-Eldor et al., 2000; Reubinoff ...
... potential of human ES cells, it will be essential to understand the molecular control of their growth and differentiation. Under certain conditions in vitro, human ES cells differentiate spontaneously into a wide range of somatic and extraembryonic cell types (Itskovitz-Eldor et al., 2000; Reubinoff ...
T Cell Interstitial Migration: Motility Cues from the Inflamed Tissue for
... Numerous observations in the past 15 years have led to novel insights into immune function that had not been predicted from conventional static measures (Table 1). Yet, there are limitations to our current intravital investigative abilities in vivo. Multiphoton (two and three photon) microscopy ha ...
... Numerous observations in the past 15 years have led to novel insights into immune function that had not been predicted from conventional static measures (Table 1). Yet, there are limitations to our current intravital investigative abilities in vivo. Multiphoton (two and three photon) microscopy ha ...