Firing Properties of Hippocampal Neurons in a Visually Symmetrical
... Thesefindings are compatible with thosefrom previous studabout an environment after someor all the controlling stimuli iesbecausethey show that the firing of place cellsis controlled have been removed (McNaughton, 1989). by multiple cues.They go a stepfurther, however, in illustrating The present st ...
... Thesefindings are compatible with thosefrom previous studabout an environment after someor all the controlling stimuli iesbecausethey show that the firing of place cellsis controlled have been removed (McNaughton, 1989). by multiple cues.They go a stepfurther, however, in illustrating The present st ...
biology and medicine Embryonic stem cell differentiation
... 1979; Godin et al. 1995; Medvinsky and Dzierzak 1996; Palis et al. 1999). Detailed analysis of hematopoietic development in the early embryo strongly suggests that the programs generated in these two regions are different. Hematopoietic commitment is detected first in the yolk sac, where distinct bl ...
... 1979; Godin et al. 1995; Medvinsky and Dzierzak 1996; Palis et al. 1999). Detailed analysis of hematopoietic development in the early embryo strongly suggests that the programs generated in these two regions are different. Hematopoietic commitment is detected first in the yolk sac, where distinct bl ...
the scf ubiquitin ligase: insights into a molecular machine
... The distribution of genes that encode F-box proteins (FBPs) in several genomes is evident from genomic analysis (see figure), with several mammalian FBPs having important orthologues in lower organisms113. The figure shows the taxonomic distribution of FBPs from the InterPro database (see the online ...
... The distribution of genes that encode F-box proteins (FBPs) in several genomes is evident from genomic analysis (see figure), with several mammalian FBPs having important orthologues in lower organisms113. The figure shows the taxonomic distribution of FBPs from the InterPro database (see the online ...
Coordination of peptidoglycan synthesis and outer membrane
... a ‘pinch-point’ until the two halves of the cell have been separated. This process must be carefully controlled to ensure that the cell does not burst open at any point. Some bacteria known as ‘Gram-negative’ bacteria have a second membrane on the other side of the cell wall. These cells divide in t ...
... a ‘pinch-point’ until the two halves of the cell have been separated. This process must be carefully controlled to ensure that the cell does not burst open at any point. Some bacteria known as ‘Gram-negative’ bacteria have a second membrane on the other side of the cell wall. These cells divide in t ...
Abstract Panax ginseng Meyer, belonging to the genus Panax of the
... amino acid sequences, widely distributed in microorganisms, viruses, animals and higher plants with different functions, structures, tissue localizations, and ...
... amino acid sequences, widely distributed in microorganisms, viruses, animals and higher plants with different functions, structures, tissue localizations, and ...
Transient Recombinant Protein Expression in Mammalian Cells
... transient transfection protocols are always based on the use of specific transfection reagents or the application of an electroporation device. The corresponding methods are compared with regard to their scale-up potential, also in consideration of potential production costs. The underlying cellular ...
... transient transfection protocols are always based on the use of specific transfection reagents or the application of an electroporation device. The corresponding methods are compared with regard to their scale-up potential, also in consideration of potential production costs. The underlying cellular ...
Phosphatidylcholine traffic to the vacuole
... ER to Golgi transport, a null mutation in VPS8, which inhibits Golgi to PVC transport, or temperature-sensitive and null mutations in END4, which inhibit endocytosis from the plasma membrane. Monomethylation or dimethylation of the primary amine head-group of M-C6NBD-PE is sufficient for sorting to ...
... ER to Golgi transport, a null mutation in VPS8, which inhibits Golgi to PVC transport, or temperature-sensitive and null mutations in END4, which inhibit endocytosis from the plasma membrane. Monomethylation or dimethylation of the primary amine head-group of M-C6NBD-PE is sufficient for sorting to ...
Stringent Response Changes Cell Membrane Permeability in
... tetracycline (Sigma, T-3383), ampicillin (Sigma, A-9518) and kanamycin (Sigma, K-4000) were prepared at a concentration of 1.024 mg/ml in complete M9 minimal salt media. Sterile solution is poured into a multi-channel pipette reservoir, using a multi-channel pipette, 1/2 serial dilution of the kanam ...
... tetracycline (Sigma, T-3383), ampicillin (Sigma, A-9518) and kanamycin (Sigma, K-4000) were prepared at a concentration of 1.024 mg/ml in complete M9 minimal salt media. Sterile solution is poured into a multi-channel pipette reservoir, using a multi-channel pipette, 1/2 serial dilution of the kanam ...
Synergistic interaction of three ERECTA-family
... clones for ERL1 and ERL2 by a combination of RT-PCR and 5′ RACE-PCR (Fig. 1A). Among the 223 Arabidopsis genes encoding LRR-RLKs (Shiu and Bleecker, 2003), ERECTA possesses an unusual, characteristic exon-intron structure with 26 introns (Torii et al., 1996). A comparison of genomic and cDNA sequenc ...
... clones for ERL1 and ERL2 by a combination of RT-PCR and 5′ RACE-PCR (Fig. 1A). Among the 223 Arabidopsis genes encoding LRR-RLKs (Shiu and Bleecker, 2003), ERECTA possesses an unusual, characteristic exon-intron structure with 26 introns (Torii et al., 1996). A comparison of genomic and cDNA sequenc ...
Jen Salm
... Epithelial invasion appears to require cell-to-cell contact and ruffling occurs in a localized region. Macrophage invasion occurs within minutes of exposure with generalized ruffling and does not require bacterial adherence. Soluble factors responsible for macrophage uptake? Separate mechanisms ...
... Epithelial invasion appears to require cell-to-cell contact and ruffling occurs in a localized region. Macrophage invasion occurs within minutes of exposure with generalized ruffling and does not require bacterial adherence. Soluble factors responsible for macrophage uptake? Separate mechanisms ...
Practice Test Answer Key
... a. cannot do everything needed to keep the organism alive. b. can do everything needed to keep the organism alive. c. does not exist anywhere. d. can exist only inside another organism. 2. An organism that is made of many cells a. has cells that are all the same. b. has some animal-type cells and so ...
... a. cannot do everything needed to keep the organism alive. b. can do everything needed to keep the organism alive. c. does not exist anywhere. d. can exist only inside another organism. 2. An organism that is made of many cells a. has cells that are all the same. b. has some animal-type cells and so ...
ABSTRACT SUSTAINED DELIVERY AND PHARMACODYNAMICS OF AN INTEGRIN
... Figure 4-5. Effect of EMD478761 on PCNA expression in HUVECs. .................... 74 Figure 4-6. Effect of EMD478761 on regulatory cell cycle protein p21 expression in HUVECs................................................................................................ 75 Figure 4-7. Effect of EM ...
... Figure 4-5. Effect of EMD478761 on PCNA expression in HUVECs. .................... 74 Figure 4-6. Effect of EMD478761 on regulatory cell cycle protein p21 expression in HUVECs................................................................................................ 75 Figure 4-7. Effect of EM ...
Serotonin synchronises convergent extension of
... although they can be predicted to have a pair-rule expression pattern. We previously reported that the G-protein coupled receptor for serotonin (5-hydroxytryptamine, 5-HT), 5-ht2Dro, is an orthologue of the mammalian 5-ht2 receptor subfamily (Colas et al., 1995). 5-ht2Dro gene expression starts afte ...
... although they can be predicted to have a pair-rule expression pattern. We previously reported that the G-protein coupled receptor for serotonin (5-hydroxytryptamine, 5-HT), 5-ht2Dro, is an orthologue of the mammalian 5-ht2 receptor subfamily (Colas et al., 1995). 5-ht2Dro gene expression starts afte ...
Golgi Regeneration after Brefeldin A Treatment in
... in the offspring. In plants and yeast secretion continues throughout the life cycle, and indeed in the case of plants may even increase in activity during cell plate formation (Nebenführ et al., 2000). As a consequence, the Golgi apparatus in plants is continually present during mitosis. In contras ...
... in the offspring. In plants and yeast secretion continues throughout the life cycle, and indeed in the case of plants may even increase in activity during cell plate formation (Nebenführ et al., 2000). As a consequence, the Golgi apparatus in plants is continually present during mitosis. In contras ...
Moss and liverwort xyloglucans contain galacturonic
... first adapted to life on land and during the subsequent evolutionary events that led to the appearance of vascular tissues and flowering plants (Popper 2008). Xyloglucan (XyG) is a quantitatively major hemicellulosic polysaccharide in the primary cell walls of dicots and nongraminaecous monocots (O’ ...
... first adapted to life on land and during the subsequent evolutionary events that led to the appearance of vascular tissues and flowering plants (Popper 2008). Xyloglucan (XyG) is a quantitatively major hemicellulosic polysaccharide in the primary cell walls of dicots and nongraminaecous monocots (O’ ...
MUC1 is a novel costimulatory molecule of human T cells and
... isotype (Fig. 3). All other subsets did not differ from 0% and, thus, did not demonstrate a significant change after MUC1 costimulation compared with isotype. ...
... isotype (Fig. 3). All other subsets did not differ from 0% and, thus, did not demonstrate a significant change after MUC1 costimulation compared with isotype. ...
Zbtb46 expression distinguishes classical dendritic cells and their
... yet fully mature. Terminal cDC development occurs in peripheral lymphoid and nonlymphoid organs after Flt3L (fmslike tyrosine kinase 3 ligand)-dependent expansion (Waskow et al., 2008). We previously suggested that accurately defining the cDC lineage might benefit from methods based on lineage-speci ...
... yet fully mature. Terminal cDC development occurs in peripheral lymphoid and nonlymphoid organs after Flt3L (fmslike tyrosine kinase 3 ligand)-dependent expansion (Waskow et al., 2008). We previously suggested that accurately defining the cDC lineage might benefit from methods based on lineage-speci ...
Intermetallic Catalysts: An Efficient Approach for the Reduction in the
... Catalytic activity towards fuel cell applications should be enhanced considerably than PGM ...
... Catalytic activity towards fuel cell applications should be enhanced considerably than PGM ...
PDF - ScienceAsia
... by gravimetry do not correspond to the exact PHA accumulation in A. latus ATCC 29714 at various growth phases. Unlike A. eutrophus and several other bacteria, A. latus does not accumulate PHA during the cell growth period. Moreover, the PHA content can change at any stage depending on the C:N ratio, ...
... by gravimetry do not correspond to the exact PHA accumulation in A. latus ATCC 29714 at various growth phases. Unlike A. eutrophus and several other bacteria, A. latus does not accumulate PHA during the cell growth period. Moreover, the PHA content can change at any stage depending on the C:N ratio, ...
The Ultrastructure of Megakaryocytes and Blood
... marginal zone actually takes place (Pease, ’55). The abundance of platelet granules and other organelles in platelets compared with their low frequency in the marginal zone, supports Yamada’s suggestion that, during platelet separation, demarcation membranes extend out toward the cell surface from t ...
... marginal zone actually takes place (Pease, ’55). The abundance of platelet granules and other organelles in platelets compared with their low frequency in the marginal zone, supports Yamada’s suggestion that, during platelet separation, demarcation membranes extend out toward the cell surface from t ...
Lymphoid Organs in Mice T Cells from Gut
... In the event of an infection the modifications in the homing patterns of Ag-primed T cells are well described (7, 8), whereas the migratory fate of CD8+ T cells that do not meet their cognate Ag remains elusive. These naive lymphocytes, which make up most CD8+ T lymphocytes in secondary lymphoid org ...
... In the event of an infection the modifications in the homing patterns of Ag-primed T cells are well described (7, 8), whereas the migratory fate of CD8+ T cells that do not meet their cognate Ag remains elusive. These naive lymphocytes, which make up most CD8+ T lymphocytes in secondary lymphoid org ...
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.