Rab cascades and tethering factors in the endomembrane system
... TRAPP complexes exist, in another – more dynamic model – the TRAPPII specific subunits Trs120 and Trs130 attach to the TRAPPI complex during Golgi maturation and act as a GEF specificity switch. Either model includes two GEF complexes contributing to the directed flow of secretory cargo through the ...
... TRAPP complexes exist, in another – more dynamic model – the TRAPPII specific subunits Trs120 and Trs130 attach to the TRAPPI complex during Golgi maturation and act as a GEF specificity switch. Either model includes two GEF complexes contributing to the directed flow of secretory cargo through the ...
Water movement between epidermal cells of barley leaves – a
... properties. If so, knowing the main pathway of water and solute movement in uninfected tissue, will aid prediction of the potential impact of infection on plant performance during osmotic or transpirational stresses. The aim of the present study was to measure the effect of cell damage on turgor and ...
... properties. If so, knowing the main pathway of water and solute movement in uninfected tissue, will aid prediction of the potential impact of infection on plant performance during osmotic or transpirational stresses. The aim of the present study was to measure the effect of cell damage on turgor and ...
Stabilization Proliferative Potential and Telomere Length Increased
... shown). The hTERT⫹ CD8⫹ T cells maintained high levels of telomerase activity throughout the culture period (data not shown), suggesting that the increased proliferative potential might be due to effects of the exogenous hTERT gene on telomere length. To test this possibility, cryopreserved lymphocy ...
... shown). The hTERT⫹ CD8⫹ T cells maintained high levels of telomerase activity throughout the culture period (data not shown), suggesting that the increased proliferative potential might be due to effects of the exogenous hTERT gene on telomere length. To test this possibility, cryopreserved lymphocy ...
Ultrastructural Evidences for Endothelial Cell - Leukocytes
... processed according to routine plastic embedding tecnique. Semithin sections of 1µm thick were cut and stained with methilene blueazure II for light microscopic examination. We used zinc iodide-osmium tetroxide staining tecnique to distinguish endothelial cell from leukocytes.Present data supports t ...
... processed according to routine plastic embedding tecnique. Semithin sections of 1µm thick were cut and stained with methilene blueazure II for light microscopic examination. We used zinc iodide-osmium tetroxide staining tecnique to distinguish endothelial cell from leukocytes.Present data supports t ...
Mechanism of Growth Arrest of Chemically
... The mechanism of growth arrest was studied in two mouse embryo-derivedcell lines and two transformed 29) or purified mitogens including EGF3(3, 11, 23), FGF clones obtained through 3-methyicholanthrenetransfor (10), or the tumor promoter, TPA (21, 25). DNA virus mation of both of the parent nontrans ...
... The mechanism of growth arrest was studied in two mouse embryo-derivedcell lines and two transformed 29) or purified mitogens including EGF3(3, 11, 23), FGF clones obtained through 3-methyicholanthrenetransfor (10), or the tumor promoter, TPA (21, 25). DNA virus mation of both of the parent nontrans ...
PCR product Lane L2 : Purified PCR product Lane L3 : Undigested
... in responds to incisions The active principle was isolated and characterized (Zasloff et al., 1987) ...
... in responds to incisions The active principle was isolated and characterized (Zasloff et al., 1987) ...
Motility of Escherichia coli cells in clusters formed by chemotactic aggregation Nikhil Mittal*
... excrete two amino acids attractants, aspartate and glutamate. These cells then become moving sources of attractants and start interacting with each other, by coordinating chemotactic motility over a long spatial range. This interaction leads to different nontrivial collective phenomena such as forma ...
... excrete two amino acids attractants, aspartate and glutamate. These cells then become moving sources of attractants and start interacting with each other, by coordinating chemotactic motility over a long spatial range. This interaction leads to different nontrivial collective phenomena such as forma ...
An antibody raised to a maize auxin-binding protein has inhibitory
... affected in its auxin-regulated division response. This suggests that plasma membrane proteins of abpl-type (or immunologically related to abpl), whose activation triggers early modifications of ionic exchanges and electrical properties, are somehow involved in the regulation of division in protopla ...
... affected in its auxin-regulated division response. This suggests that plasma membrane proteins of abpl-type (or immunologically related to abpl), whose activation triggers early modifications of ionic exchanges and electrical properties, are somehow involved in the regulation of division in protopla ...
Through the Cell Membrane
... concentration — as in any other form of diffusion. The direction of osmosis always depends on the relative concentration of water molecules on either side of the cell membrane: When the water concentration inside the cell equals the water concentration outside the cell, equal amounts of water move i ...
... concentration — as in any other form of diffusion. The direction of osmosis always depends on the relative concentration of water molecules on either side of the cell membrane: When the water concentration inside the cell equals the water concentration outside the cell, equal amounts of water move i ...
interaction between tumor and immune system: the role of tumor cell
... express the molecule. In melanoma metastases inhibitor of granzym B has been found [13]. The cells of different tumors differ not only by the level of ICAM-1 expression, but also by intracellular signals induced via interaction of this molecule with its ligand. Such interaction in breast cancer cell ...
... express the molecule. In melanoma metastases inhibitor of granzym B has been found [13]. The cells of different tumors differ not only by the level of ICAM-1 expression, but also by intracellular signals induced via interaction of this molecule with its ligand. Such interaction in breast cancer cell ...
The endoplasmic reticulum exerts control over organelle streaming
... cytoskeletal forces are in place to propel these organelles. The ER is arguably one of the organelles with the largest membrane extension and it is in close vicinity to the other organelles (Fig. S3). The evidence proposed above that ER streaming does not entirely depend on the cytoskeleton (Fig. 2C ...
... cytoskeletal forces are in place to propel these organelles. The ER is arguably one of the organelles with the largest membrane extension and it is in close vicinity to the other organelles (Fig. S3). The evidence proposed above that ER streaming does not entirely depend on the cytoskeleton (Fig. 2C ...
Ultrastructure of cell types of the olfactory epithelium in a catfish
... some thick protrusions combining with the cilia in the sensory epithelium of Belone belone. These protrusions simulate rod cell and they (op. cit.) considered this cell as a degenerated one. But the present study puts a question to its degenerated status because it has been observed that the rod cel ...
... some thick protrusions combining with the cilia in the sensory epithelium of Belone belone. These protrusions simulate rod cell and they (op. cit.) considered this cell as a degenerated one. But the present study puts a question to its degenerated status because it has been observed that the rod cel ...
Branches of Biology
... Cryobiology — the study of the effects of lower than normally preferred temperatures on living beings. Developmental biology — the study of the processes through which an organism forms, from zygote to full structure Ecology — the study of the interactions of living organisms with one another and wi ...
... Cryobiology — the study of the effects of lower than normally preferred temperatures on living beings. Developmental biology — the study of the processes through which an organism forms, from zygote to full structure Ecology — the study of the interactions of living organisms with one another and wi ...
5104-c4
... milliseconds, but the mechanisms are poorly understood. • Using paired whole-cell recordings, we have found that many neurons in the rat SCN communicate via electrical synapses. Spontaneous spiking was often synchronized in pairs of electrically coupled neurons, and the degree of this synchrony coul ...
... milliseconds, but the mechanisms are poorly understood. • Using paired whole-cell recordings, we have found that many neurons in the rat SCN communicate via electrical synapses. Spontaneous spiking was often synchronized in pairs of electrically coupled neurons, and the degree of this synchrony coul ...
MOVEMENT OF SUBSTANCES ACROSS THE PLASMA MEMBRANE
... cytoplasm shrinks away from the cell walL (d) Plasmolysis is the separation of plant cell cytoplasm from the cell wall as a result of water loss. (e) The plant cell becomes flaccid (soft and weak). (f) If the plasmolysed cell is placed in a hypotonic solution, it absorbs water causing the cytoplasm ...
... cytoplasm shrinks away from the cell walL (d) Plasmolysis is the separation of plant cell cytoplasm from the cell wall as a result of water loss. (e) The plant cell becomes flaccid (soft and weak). (f) If the plasmolysed cell is placed in a hypotonic solution, it absorbs water causing the cytoplasm ...
Organization of Yeast Communities Cell Signals, Cell
... premature infants, transplant recipients, and HIV/AIDS patients. A number of cellular changes are required for virulence in C. albicans, including the dimorphic switch, as ovoid cells switch to form a mycelium composed of branched, thread-like cells (hyphae), which can invade the host tissue (review ...
... premature infants, transplant recipients, and HIV/AIDS patients. A number of cellular changes are required for virulence in C. albicans, including the dimorphic switch, as ovoid cells switch to form a mycelium composed of branched, thread-like cells (hyphae), which can invade the host tissue (review ...
Cells Mediate Adhesion to Fibronectin, Laminin, and Collagen
... can interact with a specific amino acid sequence, Arg-Gly-Asp (RGD), which is located in the cell binding region of fibronectin and vitronectin and is also present in laminin, collagen types I and IV, and other adhesive proteins.10 On the other hand, some integrin receptors appear not to use the RGD ...
... can interact with a specific amino acid sequence, Arg-Gly-Asp (RGD), which is located in the cell binding region of fibronectin and vitronectin and is also present in laminin, collagen types I and IV, and other adhesive proteins.10 On the other hand, some integrin receptors appear not to use the RGD ...
Transport of proteins across mitochondrial membranes
... folding of proteins during transmembrane transfer are closely linked to the function of a host of proteins known as heat-shock proteins or molecular chaperones, present both outside and inside the mitochondrion. In addition, the analysis of the process of folding of polypeptides in the mitochondrial ...
... folding of proteins during transmembrane transfer are closely linked to the function of a host of proteins known as heat-shock proteins or molecular chaperones, present both outside and inside the mitochondrion. In addition, the analysis of the process of folding of polypeptides in the mitochondrial ...
A High Throughput, Whole Cell Screen for Small
... or chemically induced defects in the mitotic spindle can lead to long term activation of the spindle checkpoint, whereupon cells arrest at the preanaphase stage for many hours. Many cancers show abnormal chromosome content, often being hyperdiploid. Certain lines derived from tumors have abnormal bu ...
... or chemically induced defects in the mitotic spindle can lead to long term activation of the spindle checkpoint, whereupon cells arrest at the preanaphase stage for many hours. Many cancers show abnormal chromosome content, often being hyperdiploid. Certain lines derived from tumors have abnormal bu ...
2 Biogenesis and the regulation of the maturation of miRNAs
... Since miRNAs are key regulators of developmental processes, the cell cycle and immune responses, their processing is also tightly regulated at the different steps of biogenesis. There are an increasing number of mechanisms and proteins that are implicated in the regulation of processing for the pri- ...
... Since miRNAs are key regulators of developmental processes, the cell cycle and immune responses, their processing is also tightly regulated at the different steps of biogenesis. There are an increasing number of mechanisms and proteins that are implicated in the regulation of processing for the pri- ...
Slide 1
... bZIP=“basic leucine zipper”: leucine AA’s in Different chains dimerize and the leucines “zip” The other alpha-helices bind specific DNA sequences ...
... bZIP=“basic leucine zipper”: leucine AA’s in Different chains dimerize and the leucines “zip” The other alpha-helices bind specific DNA sequences ...
Gene trap insertion into a novel gene expressed during mouse limb
... and clone a partial cDNA of the endogenous sequence fused to the lacZ reporter gene. The sequence did not reveal any similarity to known sequences and was named paddy. The expression pattern suggests multiple roles during limb development. The early phase of expression, for instance, correlates with ...
... and clone a partial cDNA of the endogenous sequence fused to the lacZ reporter gene. The sequence did not reveal any similarity to known sequences and was named paddy. The expression pattern suggests multiple roles during limb development. The early phase of expression, for instance, correlates with ...
LETTERS
... Because the fate of the epiblast adjacent to the primitive streak after the beginning of node regression is poorly characterized11–13, we performed a series of homotopic grafts of enhanced green fluorescent protein (EGFP)-labelled fragments of different levels of the epiblast adjacent to the primiti ...
... Because the fate of the epiblast adjacent to the primitive streak after the beginning of node regression is poorly characterized11–13, we performed a series of homotopic grafts of enhanced green fluorescent protein (EGFP)-labelled fragments of different levels of the epiblast adjacent to the primiti ...
Identification of Diphtheria Toxin Receptor and a
... that the cytotoxicity of DT was blocked (Fig. 1). The membrane fraction per se had no effect on cellular protein synthesis. The inhibitory activity of the membrane was also observed when Vero cells were used in cytotoxicity assay, but ~twofold higher amounts of membrane were required for a similar i ...
... that the cytotoxicity of DT was blocked (Fig. 1). The membrane fraction per se had no effect on cellular protein synthesis. The inhibitory activity of the membrane was also observed when Vero cells were used in cytotoxicity assay, but ~twofold higher amounts of membrane were required for a similar i ...