Arabidopsis mutants in sphingolipid synthesis as tools to
... sphingolipids could help to elucidate the role of sphingolipids as regulatory structures that affect PD membrane proteins. ARABIDOPSIS MUTANTS, LCB AND THE PD FUNCTION IN DEFENSE RESPONSES AGAINST PATHOGENS One of the main features of the signal transduction pathways is the fast intracellular transm ...
... sphingolipids could help to elucidate the role of sphingolipids as regulatory structures that affect PD membrane proteins. ARABIDOPSIS MUTANTS, LCB AND THE PD FUNCTION IN DEFENSE RESPONSES AGAINST PATHOGENS One of the main features of the signal transduction pathways is the fast intracellular transm ...
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... judged to be in M phase on the basis of their condensed chromosomes and the absence of BrdU incorporation. It was frequently observed that the nuclei of nascent large blastomeres incorporated BrdU before the chromosomes had decondensed; such cells were categorized as being in S phase rather than tel ...
... judged to be in M phase on the basis of their condensed chromosomes and the absence of BrdU incorporation. It was frequently observed that the nuclei of nascent large blastomeres incorporated BrdU before the chromosomes had decondensed; such cells were categorized as being in S phase rather than tel ...
Accurate Cell Division in E. Coli: How Does a Bacterium Know
... • Often through oscillatory dynamics of ParABC system • Without oscillations plasmids are not segregated • Somehow Par oscillations generate force that moves plasmids! ...
... • Often through oscillatory dynamics of ParABC system • Without oscillations plasmids are not segregated • Somehow Par oscillations generate force that moves plasmids! ...
Development of the liver in the chicken embryo
... and 35). As hemopoietic activity climbs to a peak (Stages 36,37,38,39, and 401, the proportion increases until all cells carry glycogen. Substantial accumulation of lipid by the hepatocytes is not apparent until Stages 39 and 40. Hepatocytes at Stage 30 are tall cuboidal or low columnar cells (Figs. ...
... and 35). As hemopoietic activity climbs to a peak (Stages 36,37,38,39, and 401, the proportion increases until all cells carry glycogen. Substantial accumulation of lipid by the hepatocytes is not apparent until Stages 39 and 40. Hepatocytes at Stage 30 are tall cuboidal or low columnar cells (Figs. ...
Cytokinesis in Tobacco BY-2 and Root Tip Cells: A New Model of
... in late anaphase, with an aggregation of Golgi-derived vesicles in the equatorial plane of the interzone between the separating chromatids. Fusion of vesicles produced membranous structures known as "bilobed bodies" and "branched bodies" (Hepler and Newcomb, 1967; Jones and Payne, 1978; Hepler, 1982 ...
... in late anaphase, with an aggregation of Golgi-derived vesicles in the equatorial plane of the interzone between the separating chromatids. Fusion of vesicles produced membranous structures known as "bilobed bodies" and "branched bodies" (Hepler and Newcomb, 1967; Jones and Payne, 1978; Hepler, 1982 ...
Assignments Handbook - Independence High
... What is phenylketonuria? Phenylketonuria (commonly known as PKU) is an inherited disorder that increases the levels of a substance called phenylalanine in the blood. Phenylalanine (an amino acid) is a building block of proteins that is obtained through the diet. It is found in all proteins and in so ...
... What is phenylketonuria? Phenylketonuria (commonly known as PKU) is an inherited disorder that increases the levels of a substance called phenylalanine in the blood. Phenylalanine (an amino acid) is a building block of proteins that is obtained through the diet. It is found in all proteins and in so ...
Cytokinesis in Tobacco BY-2 and Root Tip Cells: A
... cell slurry was transferred to gold sample holders that had been dipped in 100 mg/ml lecithin in chloroform and allowed to dry. The holder was immediately frozen in a Balzers HPM 010 high pressure freezer, and then quickly transferred to liquid nitrogen for storage. Sample holders were split open un ...
... cell slurry was transferred to gold sample holders that had been dipped in 100 mg/ml lecithin in chloroform and allowed to dry. The holder was immediately frozen in a Balzers HPM 010 high pressure freezer, and then quickly transferred to liquid nitrogen for storage. Sample holders were split open un ...
Boundary formation in the hindbrain
... kinases [a]. Their ligands, the ephrins, are membranebound, either via a glycosyl phosphatidylinositol linkage (ephrin-A ligands) or via integral transmembrane and intracellular domains (ephrin-B ligands) [b]. Eph receptors are subdivided into EphA and EphB classes on the basis of ligand-binding pre ...
... kinases [a]. Their ligands, the ephrins, are membranebound, either via a glycosyl phosphatidylinositol linkage (ephrin-A ligands) or via integral transmembrane and intracellular domains (ephrin-B ligands) [b]. Eph receptors are subdivided into EphA and EphB classes on the basis of ligand-binding pre ...
Nuclear centering in Spirogyra
... scaold as well as in the connected peripheral cytoplasm (pc). B Focus set slightly above the chloroplast bands (alignment of plastid long axes indicated by arrowheads) in the peripheral cytoplasm, with subcortical bundles of F-actin and short bundles of micro®laments (small arrows) normal to the ch ...
... scaold as well as in the connected peripheral cytoplasm (pc). B Focus set slightly above the chloroplast bands (alignment of plastid long axes indicated by arrowheads) in the peripheral cytoplasm, with subcortical bundles of F-actin and short bundles of micro®laments (small arrows) normal to the ch ...
Cytoskeletal Changes of Mesenchymal Stem Cells During
... filaments. Filaments can be bundled and crosslinked by several actin-binding proteins in a network and are most likely anchored to stable structures, or anchor sites, in the cell (such as the plasma membrane).18 The actin network plays a major role in the determination of the mechanical properties o ...
... filaments. Filaments can be bundled and crosslinked by several actin-binding proteins in a network and are most likely anchored to stable structures, or anchor sites, in the cell (such as the plasma membrane).18 The actin network plays a major role in the determination of the mechanical properties o ...
Reflection Paper on stem cell-based medicinal - EMA
... of cells with varying differentiation capacity and multiple differentiation stages. Their differentiation capacity in vivo and mode of action may strongly depend on the processing methods, conditions and duration of in vitro culture. Factors such as media composition (e.g. the use of growth factors ...
... of cells with varying differentiation capacity and multiple differentiation stages. Their differentiation capacity in vivo and mode of action may strongly depend on the processing methods, conditions and duration of in vitro culture. Factors such as media composition (e.g. the use of growth factors ...
Asymmetric cell division in C. elegans - Development
... fuse with the epidermal syncytium called hyp7 (Sulston and Horvitz, 1977). We find that loss-of-function mutations in egl20 cause reversals in the polarity of the V5 daughter cell fates. In egl-20 mutants, V5.a often becomes a seam cell while V5.p fuses with hyp7. Thus, egl-20 mutants continue to di ...
... fuse with the epidermal syncytium called hyp7 (Sulston and Horvitz, 1977). We find that loss-of-function mutations in egl20 cause reversals in the polarity of the V5 daughter cell fates. In egl-20 mutants, V5.a often becomes a seam cell while V5.p fuses with hyp7. Thus, egl-20 mutants continue to di ...
The Growing Outer Epidermal Wall: Design and
... growth. In contrast to plants, most animals are motile: they move through their environment in search of food. Typically, animals cease to grow after the organism has reached a defined, species-specific size (determinate growth). The contrasting survival strategies of animals versus plants are paral ...
... growth. In contrast to plants, most animals are motile: they move through their environment in search of food. Typically, animals cease to grow after the organism has reached a defined, species-specific size (determinate growth). The contrasting survival strategies of animals versus plants are paral ...
1 Developing accurate models of the human airways 1 2 Marshall L
... ALI cultures of primary cells and transformed cell lines for airway related research mimic, as described above, the in vivo morphology and physiology of airway epithelial cells closer than submerged cell cultures. Mono‐cultures, employing epithelial cells in isol ...
... ALI cultures of primary cells and transformed cell lines for airway related research mimic, as described above, the in vivo morphology and physiology of airway epithelial cells closer than submerged cell cultures. Mono‐cultures, employing epithelial cells in isol ...
Taxonomy, biology and physiology of fungi
... C. both sexual (meiotic) and asexual (mitotic) spores may be produced, depending on the species and conditions D. typically not motile, although a few (e.g. Chytrids) have a motile phase. E. like plants, may have a stable haploid & diploid states F. vegetative body may be unicellular (yeasts) or mul ...
... C. both sexual (meiotic) and asexual (mitotic) spores may be produced, depending on the species and conditions D. typically not motile, although a few (e.g. Chytrids) have a motile phase. E. like plants, may have a stable haploid & diploid states F. vegetative body may be unicellular (yeasts) or mul ...
Electron Microscope Observations of Brucella abortus
... that 5-50 pg. streptomycin/ml. in the extracellular medium, which alone did not affect the intracellular growth of Brucella abortus, was lethal when used in conjunction with 50 pg. penicillin/ml. A hypothesis based on spatial separation would therefore seem to be inadequate to explain the resistance ...
... that 5-50 pg. streptomycin/ml. in the extracellular medium, which alone did not affect the intracellular growth of Brucella abortus, was lethal when used in conjunction with 50 pg. penicillin/ml. A hypothesis based on spatial separation would therefore seem to be inadequate to explain the resistance ...
microbiology-1st-edition-wessner-test-bank
... a) The amino acid sequence of a protein that detects changes in the external environment and signals this change to components in the cell. b) A regulatory protein that turns on/off the expression of certain genes. c) A protein used to signal cell division. d) A short amino acid sequence on the end ...
... a) The amino acid sequence of a protein that detects changes in the external environment and signals this change to components in the cell. b) A regulatory protein that turns on/off the expression of certain genes. c) A protein used to signal cell division. d) A short amino acid sequence on the end ...
Origin and shaping of the laterality organ in zebrafish - MPI
... immediately prior to the formation of the embryonic organizer (shield). As epiboly progressed, the DFC group became increasingly separated from the dorsal marginal deep cells and remained in direct contact with the advancing dorsal EVL margin (Fig. 1G-I,M) (D’Amico and Cooper, 1997). Furthermore, th ...
... immediately prior to the formation of the embryonic organizer (shield). As epiboly progressed, the DFC group became increasingly separated from the dorsal marginal deep cells and remained in direct contact with the advancing dorsal EVL margin (Fig. 1G-I,M) (D’Amico and Cooper, 1997). Furthermore, th ...
Epigenetic Control of Cell Division and Cell Differentiation in the
... Technology, Core Research for Evolutional Science and Technology Agency, Ikoma, Japan ...
... Technology, Core Research for Evolutional Science and Technology Agency, Ikoma, Japan ...
Wnt3a-mediated chemorepulsion controls movement
... Fig. 2. Cardiac progenitors move on directed trajectories, which are controlled by Wnt3a. (A) Long-term video microscopy followed by image processing revealed movement trajectories; still images at the time points indicated in hours (h) are shown. (B) Corresponding bright-field images. The last pan ...
... Fig. 2. Cardiac progenitors move on directed trajectories, which are controlled by Wnt3a. (A) Long-term video microscopy followed by image processing revealed movement trajectories; still images at the time points indicated in hours (h) are shown. (B) Corresponding bright-field images. The last pan ...
Campbell Biology, 10e (Reece) Chapter 6 A Tour of the Cell 1) The
... C) reinforcing the pseudopod with intermediate filaments D) cytoplasmic streaming Answer: A Bloom's Taxonomy: Knowledge/Comprehension Section: 6.6 47) Researchers tried to explain how vesicular transport occurs in cells by attempting to assemble the transport components. They set up microtubular tra ...
... C) reinforcing the pseudopod with intermediate filaments D) cytoplasmic streaming Answer: A Bloom's Taxonomy: Knowledge/Comprehension Section: 6.6 47) Researchers tried to explain how vesicular transport occurs in cells by attempting to assemble the transport components. They set up microtubular tra ...
Lactobacillus plantarum displaying CCL3 chemokine in fusion with
... that Lp_1261CCL3Gag showed the lowest levels of surface accessible protein (Fig. 4) and caused no chemotaxis (Fig. 5b) may be taken to add confidence to the data. On the other hand, however, Lp_1568CCL3Gag did consistently cause chemotaxis, whereas no signals were obtained in flow cytometry and fluo ...
... that Lp_1261CCL3Gag showed the lowest levels of surface accessible protein (Fig. 4) and caused no chemotaxis (Fig. 5b) may be taken to add confidence to the data. On the other hand, however, Lp_1568CCL3Gag did consistently cause chemotaxis, whereas no signals were obtained in flow cytometry and fluo ...