Ultrastructural and physiological changes in root cells of Sorghum
... drought, but highly sensitive to NaCl salinity (Amzallag, 1994; Weimberg et al., 1984; Yamane, 1993). This suggests a direct effect of Na + or Cl~ on the metabolism. The root tip acts as a finely-tuned sensor for different kinds of stress (Colmer et al., 1994; Roth and Bergmann, 1988). The outer cor ...
... drought, but highly sensitive to NaCl salinity (Amzallag, 1994; Weimberg et al., 1984; Yamane, 1993). This suggests a direct effect of Na + or Cl~ on the metabolism. The root tip acts as a finely-tuned sensor for different kinds of stress (Colmer et al., 1994; Roth and Bergmann, 1988). The outer cor ...
Document
... cell line (fro m Chinese Hamster Ovary (CHO) parent cell line) which expressed recombinant IGF-I that renders the cells to grow indifinitely in protein and/or serum-free media. Although this looks promising, the absence of serum generally will impose other issues such as induction of phenotypic chan ...
... cell line (fro m Chinese Hamster Ovary (CHO) parent cell line) which expressed recombinant IGF-I that renders the cells to grow indifinitely in protein and/or serum-free media. Although this looks promising, the absence of serum generally will impose other issues such as induction of phenotypic chan ...
Isolation and characterization of a marine magnetotactic spirillum
... Magnetotactic bacteria (MTB) are ubiquitous in aquatic habitats. Because of their fastidious requirements for growth conditions, only very few axenic MTB cultures have been obtained worldwide. In this study, we report a novel marine magnetotactic spirillum axenic culture, designated as QH-2, isolate ...
... Magnetotactic bacteria (MTB) are ubiquitous in aquatic habitats. Because of their fastidious requirements for growth conditions, only very few axenic MTB cultures have been obtained worldwide. In this study, we report a novel marine magnetotactic spirillum axenic culture, designated as QH-2, isolate ...
A Novel Plant Kinesin-Related Protein Specifically
... When the purified antibodies were used for immunofluorescence in Arabidopsis root tip cells, they labeled the central region of telophase cells (Figure 3B). To verify the specificity of the purified antibodies for immunolocalization, the anti-AtPAKRP2-N antibodies were subjected to preincubation wi ...
... When the purified antibodies were used for immunofluorescence in Arabidopsis root tip cells, they labeled the central region of telophase cells (Figure 3B). To verify the specificity of the purified antibodies for immunolocalization, the anti-AtPAKRP2-N antibodies were subjected to preincubation wi ...
Nuclear Envelope Breakdown Proceeds by
... 2000), and together with in vivo observations suggest that the nuclear periphery is a highly crosslinked and stable protein network (Daigle et al., 2001). In dividing cells, this network is abolished during NE breakdown (NEBD), which defines the transition from prophase to prometaphase in the cell d ...
... 2000), and together with in vivo observations suggest that the nuclear periphery is a highly crosslinked and stable protein network (Daigle et al., 2001). In dividing cells, this network is abolished during NE breakdown (NEBD), which defines the transition from prophase to prometaphase in the cell d ...
A Late Mitotic Regulatory Network Controlling
... HCT1 promotes the destruction of Clb2 and Ase1 but not that of Pds1 (Schwab et al., 1997; Visintin et al., 1997). The regulation of these putative specificity factors is not well understood, although recent studies suggest that Cdc20 may be regulated by multiple mechanisms: its levels increase durin ...
... HCT1 promotes the destruction of Clb2 and Ase1 but not that of Pds1 (Schwab et al., 1997; Visintin et al., 1997). The regulation of these putative specificity factors is not well understood, although recent studies suggest that Cdc20 may be regulated by multiple mechanisms: its levels increase durin ...
Chromatin meets the cell cycle
... eukaryotes, and all of these proteins have homologues in plant genomes (Clapier and Cairns, 2009). Chromatin remodellers alter chromatin structure in various way: they can promote nucleosome sliding, ejection, or unwrapping and facilitate the exchange of histone variants (Clapier and Cairns, 2009). ...
... eukaryotes, and all of these proteins have homologues in plant genomes (Clapier and Cairns, 2009). Chromatin remodellers alter chromatin structure in various way: they can promote nucleosome sliding, ejection, or unwrapping and facilitate the exchange of histone variants (Clapier and Cairns, 2009). ...
Mathematical Modelling of the Loss of Tissue Compression
... surrounding cells leading to the replacement and the invasion of the healthy tissue. In addition to biomechanical effects, the model also takes into account the effect of the production of extracellular matrix (ECM) and of matrix degrading enzymes (MDEs). In fact, cells produce extracellular matrix ...
... surrounding cells leading to the replacement and the invasion of the healthy tissue. In addition to biomechanical effects, the model also takes into account the effect of the production of extracellular matrix (ECM) and of matrix degrading enzymes (MDEs). In fact, cells produce extracellular matrix ...
Chapter 4 The Cell Membrane, Cytoskeleton, and Cell
... place a tea bag in a cup of hot water. Compounds in the tea leaves dissolve gradually and diffuse throughout the cup. The tea is at first concentrated near the bag, but the brownish color eventually spreads to create a uniform brew. The natural tendency of a substance to move from where it is highly ...
... place a tea bag in a cup of hot water. Compounds in the tea leaves dissolve gradually and diffuse throughout the cup. The tea is at first concentrated near the bag, but the brownish color eventually spreads to create a uniform brew. The natural tendency of a substance to move from where it is highly ...
Surface probe measurements of the elasticity of sectioned tissue
... but also for probing the elasticity of cells and perhaps even tissues that previously have been studied only by macroscopic methods (8). Cells in vitro have been reported to have effective Young’s moduli, Ecell, in the range of 1–100 kPa (8-12). Relevant here, this range encompasses measurements of ...
... but also for probing the elasticity of cells and perhaps even tissues that previously have been studied only by macroscopic methods (8). Cells in vitro have been reported to have effective Young’s moduli, Ecell, in the range of 1–100 kPa (8-12). Relevant here, this range encompasses measurements of ...
Rearrangement of the Keratin Cytoskeleton after Combined
... The distribution and arrangement of cytokeratin in a control culture of HeLa cells that has been reacted with anti-akeratin antiserum and visualized using indirect immunofluorescence is shown in Figure 2a. The uniform-sized, wavyappearing keratin filaments are evenly distributed throughout the cytop ...
... The distribution and arrangement of cytokeratin in a control culture of HeLa cells that has been reacted with anti-akeratin antiserum and visualized using indirect immunofluorescence is shown in Figure 2a. The uniform-sized, wavyappearing keratin filaments are evenly distributed throughout the cytop ...
Slide 1
... become specialized in structure and function The physical processes that give an organism its shape constitute morphogenesis ...
... become specialized in structure and function The physical processes that give an organism its shape constitute morphogenesis ...
The Cytology of the Gram-positive Cocci
... It is of interest to observe that the parallel between smooth and rough variants in the bacillary genera, and short- and long-chained streptococci, appears to extend to their minute structure. In both groups, the variant which adheres in chains after division, and consequently forms ' Medusa-head' c ...
... It is of interest to observe that the parallel between smooth and rough variants in the bacillary genera, and short- and long-chained streptococci, appears to extend to their minute structure. In both groups, the variant which adheres in chains after division, and consequently forms ' Medusa-head' c ...
PDF
... for surviving in the dry aerial environment. A detailed understanding of the structure, composition, and development of moss cell walls can contribute to our understanding of not only the evolution of overall cell wall complexity, but also the differences that have evolved in response to selection f ...
... for surviving in the dry aerial environment. A detailed understanding of the structure, composition, and development of moss cell walls can contribute to our understanding of not only the evolution of overall cell wall complexity, but also the differences that have evolved in response to selection f ...
Plant Cells Contain Two Functionally Distinct
... allowed us to define the relationship between structures carrying the two antigens. Three general patterns were observed (Figures 2A–2C). Some cells, those with the relatively small spherical vacuolar structures (see Figures 1A and 1D), contained spherical organelles stained either with anti-a-TIP ( ...
... allowed us to define the relationship between structures carrying the two antigens. Three general patterns were observed (Figures 2A–2C). Some cells, those with the relatively small spherical vacuolar structures (see Figures 1A and 1D), contained spherical organelles stained either with anti-a-TIP ( ...
A Heparan Sulfate-containing Fraction of Bone
... pH 6.8. Approximately 25% of the radiolabeled macromolecules eluted maturation was assessed. As seen in Table 1, heparin induced in 1.5 M LiCl in 0.05 M Tris/HCl-7 M urea-10 mM DTT, pH 6.8. The differentiation of these cells as monitored by esterase activity remaining radiolabeled material was elute ...
... pH 6.8. Approximately 25% of the radiolabeled macromolecules eluted maturation was assessed. As seen in Table 1, heparin induced in 1.5 M LiCl in 0.05 M Tris/HCl-7 M urea-10 mM DTT, pH 6.8. The differentiation of these cells as monitored by esterase activity remaining radiolabeled material was elute ...
Progress Report on Reduced-Lignin Alfalfa: Part I, Plant Modifications
... Alfalfa is the most important forage legume in U.S. dairy cow diets because it has a high protein content, it increases feed intake and milk production, and it is an excellent complement to non-forage components of dairy cow diets. It is also an excellent source of effective fiber which is essential ...
... Alfalfa is the most important forage legume in U.S. dairy cow diets because it has a high protein content, it increases feed intake and milk production, and it is an excellent complement to non-forage components of dairy cow diets. It is also an excellent source of effective fiber which is essential ...
eXtra Botany - Journal of Experimental Botany
... cells but its organization shows some critical differences, mainly caused by the absence of centrioles. The phragmoplast is a special microtubule array that substitutes the contractile ring of animal cells during cytokinesis, allowing the synthesis of a new cell wall that physically separates the tw ...
... cells but its organization shows some critical differences, mainly caused by the absence of centrioles. The phragmoplast is a special microtubule array that substitutes the contractile ring of animal cells during cytokinesis, allowing the synthesis of a new cell wall that physically separates the tw ...
Leaf Development - Plant Ontology Wiki
... under the epidermal layer (red in 2). After the first divisions also periclinal (at right angles to the surface) divisions occur the epidermis as well as in the layers underneath (blue in 2). 3- The result is a small bulge (3) that will further develop into a leaf. From this point on, leaf growth di ...
... under the epidermal layer (red in 2). After the first divisions also periclinal (at right angles to the surface) divisions occur the epidermis as well as in the layers underneath (blue in 2). 3- The result is a small bulge (3) that will further develop into a leaf. From this point on, leaf growth di ...
Plasma membrane
... – In the cytosol (free ribosomes) – On the outside of the endoplasmic reticulum or the nuclear envelope (bound ribosomes) ...
... – In the cytosol (free ribosomes) – On the outside of the endoplasmic reticulum or the nuclear envelope (bound ribosomes) ...
lithium-metal-polymer batteries: from the electrochemical
... lose capacity rapidly. To assure the battery’s long service life, it is equipped with a control subsystem that will open the charging circuit in case of overcharge or open the discharge circuit under over-discharge, short circuit or reverse polarity conditions. A typical voltage profile showing the ...
... lose capacity rapidly. To assure the battery’s long service life, it is equipped with a control subsystem that will open the charging circuit in case of overcharge or open the discharge circuit under over-discharge, short circuit or reverse polarity conditions. A typical voltage profile showing the ...
DIFFERENCES IN PLOIDY AND DEGREE OF INTERCELLULAR
... when surrounded by S2 and controls containing only S4 formed xylem, phloem and roots while those containing only S2 did not. A sample of S2 from theflaskin which this was surrounded by S4 callus was removed to a further flask and surrounded by fresh S4 inocula. Again no differentiation was found in ...
... when surrounded by S2 and controls containing only S4 formed xylem, phloem and roots while those containing only S2 did not. A sample of S2 from theflaskin which this was surrounded by S4 callus was removed to a further flask and surrounded by fresh S4 inocula. Again no differentiation was found in ...
