Phosphoinositide Signaling Regulates the Exocyst Complex and
... the association of talin with b1-integrin in migrating cells (Figure 3D). PIPKIgi2 and b1-integrin associate with talin’s FERM domain (de Pereda et al., 2005; Ling et al., 2003; Wegener et al., 2007), and the interaction of PIPKIgi2 with talin is required for chemotaxis (Sun et al., 2007). Talin for ...
... the association of talin with b1-integrin in migrating cells (Figure 3D). PIPKIgi2 and b1-integrin associate with talin’s FERM domain (de Pereda et al., 2005; Ling et al., 2003; Wegener et al., 2007), and the interaction of PIPKIgi2 with talin is required for chemotaxis (Sun et al., 2007). Talin for ...
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... A pair of guard cells can regulate gas and water exchange by controlling the aperture of the stomatal pore that they surround. Guard mother cell (GMC). The immediate precursor cell to the stomatal guard cells. GMCs divide once, symmetrically, to produce the pair of guard cells that make up a single ...
... A pair of guard cells can regulate gas and water exchange by controlling the aperture of the stomatal pore that they surround. Guard mother cell (GMC). The immediate precursor cell to the stomatal guard cells. GMCs divide once, symmetrically, to produce the pair of guard cells that make up a single ...
Functional Characterization of Two Human Olfactory Receptors
... this issue. Due to limitations in heterologous expression, very few mammal ORs have been characterized, and so far only one is from human origin. Consequently, OR function still remains poorly understood, especially in humans, whose genome encodes a restricted chemosensory repertoire compared with m ...
... this issue. Due to limitations in heterologous expression, very few mammal ORs have been characterized, and so far only one is from human origin. Consequently, OR function still remains poorly understood, especially in humans, whose genome encodes a restricted chemosensory repertoire compared with m ...
Sporangiophores' Technique Study Transpiration Pressure Probe
... which control water transport and plant cell growth (2-4, 8, 14). These pressure probe techniques have also been used to study the water relations of the sporangiophores of Phycomyces blakesleeanus (5). In general, pressure probe techniques require that there is a known relationship between the turg ...
... which control water transport and plant cell growth (2-4, 8, 14). These pressure probe techniques have also been used to study the water relations of the sporangiophores of Phycomyces blakesleeanus (5). In general, pressure probe techniques require that there is a known relationship between the turg ...
Stomatal development - The Company of Biologists
... A pair of guard cells can regulate gas and water exchange by controlling the aperture of the stomatal pore that they surround. Guard mother cell (GMC). The immediate precursor cell to the stomatal guard cells. GMCs divide once, symmetrically, to produce the pair of guard cells that make up a single ...
... A pair of guard cells can regulate gas and water exchange by controlling the aperture of the stomatal pore that they surround. Guard mother cell (GMC). The immediate precursor cell to the stomatal guard cells. GMCs divide once, symmetrically, to produce the pair of guard cells that make up a single ...
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) ...
Chapter 2.3 Active Cell Processes: Motility, Muscle, and Mechanotransduction
... motion of a cell adhering to a 2-dimensional substrate. Many of the same elements may be applicable in 3-dimensional migration through a matrix, but we understand that process much less well at this point in time. [A wealth of images and movies showing the migration of various types of cell can be f ...
... motion of a cell adhering to a 2-dimensional substrate. Many of the same elements may be applicable in 3-dimensional migration through a matrix, but we understand that process much less well at this point in time. [A wealth of images and movies showing the migration of various types of cell can be f ...
A Shift toward Smaller Cell Size via Manipulation of Cell Cycle Gene
... that local promotion of cell division at an early stage of development led to the nonintuitive outcome of an eventual decrease in lamina growth in that area (Wyrzykowska et al., 2002). However, the technical difficulty of dissecting tobacco leaf primordia and the lack of a system to reliably quantif ...
... that local promotion of cell division at an early stage of development led to the nonintuitive outcome of an eventual decrease in lamina growth in that area (Wyrzykowska et al., 2002). However, the technical difficulty of dissecting tobacco leaf primordia and the lack of a system to reliably quantif ...
Auxin-Dependent Cell Division and Cell Elongation. 1
... auxins (dashed line). This is not due to a reduced viability of the cells; in fact, in all samples the cell viability was higher than 90% (data not shown). To check effects on morphology, cells cultivated for 6 d at 1 mM, 10 mM, and 100 mM auxins were stained with a fluorescent membrane dye and conf ...
... auxins (dashed line). This is not due to a reduced viability of the cells; in fact, in all samples the cell viability was higher than 90% (data not shown). To check effects on morphology, cells cultivated for 6 d at 1 mM, 10 mM, and 100 mM auxins were stained with a fluorescent membrane dye and conf ...
Title: The Nucleotide Excision Repair pathway limits L1
... [email protected] Phone: (504) 988-6385 Fax: (504) 988-5516 ...
... [email protected] Phone: (504) 988-6385 Fax: (504) 988-5516 ...
Populus endobetamannanase PtrMAN6 plays a role in coordinating
... Endo-1,4-b-mannanase is known to able to hydrolyze mannan-type polysaccharides in cell wall remodeling, but its function in regulating wall thickening has been little studied. Here we show that a Populus endo-1,4b-mannanase gene, named PtrMAN6, suppresses cell wall thickening during xylem differenti ...
... Endo-1,4-b-mannanase is known to able to hydrolyze mannan-type polysaccharides in cell wall remodeling, but its function in regulating wall thickening has been little studied. Here we show that a Populus endo-1,4b-mannanase gene, named PtrMAN6, suppresses cell wall thickening during xylem differenti ...
Infection of cells by Sindbis virus at low
... readily infects and can be passaged in these cells to high titers (to be published elsewhere). Studies with inhibitors of endosome acidification or cells encoding genetic defects in the endocytic pathway measure the lack of products of late events such as RNA or protein synthesis to determine that p ...
... readily infects and can be passaged in these cells to high titers (to be published elsewhere). Studies with inhibitors of endosome acidification or cells encoding genetic defects in the endocytic pathway measure the lack of products of late events such as RNA or protein synthesis to determine that p ...
Notochord morphogenesis in Xenopus laevis
... isodiametric. Bidirectionally protruding cells are modeled by restricting protrusive activity to two nodes located at opposite ends of the cell. Bidirectionally protrusive cells will intrinsically elongate into a spindle shape. In addition to notochord cells, many other types of motile cells in vitr ...
... isodiametric. Bidirectionally protruding cells are modeled by restricting protrusive activity to two nodes located at opposite ends of the cell. Bidirectionally protrusive cells will intrinsically elongate into a spindle shape. In addition to notochord cells, many other types of motile cells in vitr ...
comparison of p53 expression in hpv(+)
... All samples were taken from the paraffin block of squamous cell neoplasia that arouse on the eyelid and ocular surface that were operated between 2000-2007 in Sardjito General Hospital and Yap Eye Hospital. All samples were deparaffinized and cut in slices. Then it was stained using DO-7 humanized m ...
... All samples were taken from the paraffin block of squamous cell neoplasia that arouse on the eyelid and ocular surface that were operated between 2000-2007 in Sardjito General Hospital and Yap Eye Hospital. All samples were deparaffinized and cut in slices. Then it was stained using DO-7 humanized m ...
The pelota locus encodes a protein required for meiotic cell division
... Nuclear lamin staining is still present (Fig. 2D, arrow) after the nebenkerne form (Fig. 2D′, arrow). In pelota 4N spermatids that develop shaped head structures and elongate tails, lamin staining becomes fragmented and disappears (Fig. 2E, open arrow). The fate of nuclear lamins in twine resembles ...
... Nuclear lamin staining is still present (Fig. 2D, arrow) after the nebenkerne form (Fig. 2D′, arrow). In pelota 4N spermatids that develop shaped head structures and elongate tails, lamin staining becomes fragmented and disappears (Fig. 2E, open arrow). The fate of nuclear lamins in twine resembles ...
Transport
... – Human colon carcinoma cell line – Morphologically similar to small intestinal epithelial cells – Most extensively characterized human cell-based model for investigating permeability and Pgp transport of drugs – Various uptake and efflux transporters are expressed in Caco-2 cells, however, Pgp is f ...
... – Human colon carcinoma cell line – Morphologically similar to small intestinal epithelial cells – Most extensively characterized human cell-based model for investigating permeability and Pgp transport of drugs – Various uptake and efflux transporters are expressed in Caco-2 cells, however, Pgp is f ...
Full Text
... Nuclear lamin staining is still present (Fig. 2D, arrow) after the nebenkerne form (Fig. 2D′, arrow). In pelota 4N spermatids that develop shaped head structures and elongate tails, lamin staining becomes fragmented and disappears (Fig. 2E, open arrow). The fate of nuclear lamins in twine resembles ...
... Nuclear lamin staining is still present (Fig. 2D, arrow) after the nebenkerne form (Fig. 2D′, arrow). In pelota 4N spermatids that develop shaped head structures and elongate tails, lamin staining becomes fragmented and disappears (Fig. 2E, open arrow). The fate of nuclear lamins in twine resembles ...
S-layer Structure in Bacteria and Archaea
... with layered supramolecular architectures surrounding the cytoplasmic membrane. Of the finest examples of such supramolecular cell wall components are surface or S-layers. These regular paracrystalline pericellular structures were first observed in the bacterium Spirillum serpens and in the archaeum ...
... with layered supramolecular architectures surrounding the cytoplasmic membrane. Of the finest examples of such supramolecular cell wall components are surface or S-layers. These regular paracrystalline pericellular structures were first observed in the bacterium Spirillum serpens and in the archaeum ...
A rapid and robust assay for detection of S
... effectively be determined by flow cytometry after isolation of nuclei. In animal cell cultures, high quality and intact nuclei preparations can be relatively easily obtained in hypotonic buffers with detergents. In plants, however, cell walls pose a significant barrier for nuclei isolation. To allev ...
... effectively be determined by flow cytometry after isolation of nuclei. In animal cell cultures, high quality and intact nuclei preparations can be relatively easily obtained in hypotonic buffers with detergents. In plants, however, cell walls pose a significant barrier for nuclei isolation. To allev ...
... However, the ASH1 mRNA may contain redundant cis-acting factors that are responsible for ASH1 mRNA localization, because replacement of the 39-UTR of ASH1 with that of CDC6 only reduced ASH1 mRNA localization from 56 to 40% and Ash1p asymmetry from 92 to 82%. The data presented here suggest that loc ...
The F8H Glycosyltransferase is a Functional Paralog of FRA8
... (Fig. 1A); therefore, we designated it as F8H. To examine the expression pattern of the F8H gene, we first analyzed its expression level in various organs and laser-microdissected cells from the inflorescence stems. Real-time quantitative PCR analysis showed that F8H was expressed in all organs examin ...
... (Fig. 1A); therefore, we designated it as F8H. To examine the expression pattern of the F8H gene, we first analyzed its expression level in various organs and laser-microdissected cells from the inflorescence stems. Real-time quantitative PCR analysis showed that F8H was expressed in all organs examin ...
Atomic Force Microscopy in Cancer Cell Research
... however also true for any AFM scan of surface. The deformation has to be taken into account while processing the data. Fortunately cells have enough flat areas. Therefore knowledge of this topography can be used simply as a filtering rule, which allows one to choose only those force curves that are re ...
... however also true for any AFM scan of surface. The deformation has to be taken into account while processing the data. Fortunately cells have enough flat areas. Therefore knowledge of this topography can be used simply as a filtering rule, which allows one to choose only those force curves that are re ...
Segregation of object and background motion in the
... by the presence of eye movements that continually scan the image across the retina, even during fixation. To detect moving objects, the brain must distinguish local motion within the scene from the global retinal image drift due to fixational eye movements. We have found that this process begins in ...
... by the presence of eye movements that continually scan the image across the retina, even during fixation. To detect moving objects, the brain must distinguish local motion within the scene from the global retinal image drift due to fixational eye movements. We have found that this process begins in ...
Mitosis
Mitosis is a part of the cell cycle in which chromosomes in a cell nucleus are separated into two identical sets of chromosomes, each in its own nucleus. In general, mitosis (division of the nucleus) is often followed by cytokinesis, which divides the cytoplasm, organelles and cell membrane into two new cells containing roughly equal shares of these cellular components. Mitosis and cytokinesis together define the mitotic (M) phase of an animal cell cycle—the division of the mother cell into two daughter cells, genetically identical to each other and to their parent cell.The process of mitosis is divided into stages corresponding to the completion of one set of activities and the start of the next. These stages are prophase, prometaphase, metaphase, anaphase, and telophase. During mitosis, the chromosomes, which have already duplicated, condense and attach to fibers that pull one copy of each chromosome to opposite sides of the cell. The result is two genetically identical daughter nuclei. The cell may then divide by cytokinesis to produce two daughter cells. Producing three or more daughter cells instead of normal two is a mitotic error called tripolar mitosis or multipolar mitosis (direct cell triplication / multiplication). Other errors during mitosis can induce apoptosis (programmed cell death) or cause mutations. Certain types of cancer can arise from such mutations.Mitosis occurs only in eukaryotic cells and the process varies in different organisms. For example, animals undergo an ""open"" mitosis, where the nuclear envelope breaks down before the chromosomes separate, while fungi undergo a ""closed"" mitosis, where chromosomes divide within an intact cell nucleus. Furthermore, most animal cells undergo a shape change, known as mitotic cell rounding, to adopt a near spherical morphology at the start of mitosis. Prokaryotic cells, which lack a nucleus, divide by a different process called binary fission.