Co-ordination of signalling elements in guard cell ion
... appears that all three cation channels co-exist in the guard cell vacuole (Allen and Sanders, 1996), raising the possibility that their interaction may be important for guard cell function. Finally an anion channel with high selectivity for Cl− over K+ has recently been found at the tonoplast of Vic ...
... appears that all three cation channels co-exist in the guard cell vacuole (Allen and Sanders, 1996), raising the possibility that their interaction may be important for guard cell function. Finally an anion channel with high selectivity for Cl− over K+ has recently been found at the tonoplast of Vic ...
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... The exact nature of cell shape and cell polarity in the early intestine also impacts our interpretation of the mechanisms that drive the drastic remodeling of intestinal surface that occurs at E14.5. A stratified epithelium would remodel by cell reorganization and de novo polarization of central cel ...
... The exact nature of cell shape and cell polarity in the early intestine also impacts our interpretation of the mechanisms that drive the drastic remodeling of intestinal surface that occurs at E14.5. A stratified epithelium would remodel by cell reorganization and de novo polarization of central cel ...
Intercellular adhesion and cell separation in plants
... flowers adhere to its inner surface through the co-operative action of a number of water-soluble macromolecules including a pectic fraction and a small lipid transfer protein (Park et al. 2000; Mollet et al. 2000) ...
... flowers adhere to its inner surface through the co-operative action of a number of water-soluble macromolecules including a pectic fraction and a small lipid transfer protein (Park et al. 2000; Mollet et al. 2000) ...
Female Gametophyte Development in Flowering Plants
... species Arabidopsis and rice, micropylar megaspores undergo programmed cell death, and the chalazal-most megaspore becomes functional and ultimately forms the female gametophyte, the embryo sac (Figure 1b). Concurrently, epidermal cells at the proximal third of the nucellus divide parallel to the lo ...
... species Arabidopsis and rice, micropylar megaspores undergo programmed cell death, and the chalazal-most megaspore becomes functional and ultimately forms the female gametophyte, the embryo sac (Figure 1b). Concurrently, epidermal cells at the proximal third of the nucellus divide parallel to the lo ...
LESSON—19 THE EXTERIOR OP THE CELL. A. Objectives
... are regions where the plasma membrane from two neighboring cells are in actual contact. occur only in plants. involve connective microfilaments that traverse the space between adjacent cells. are anchored by microfilaments on the insides of the cell membranes of adjacent cells. contain a 24 nm space ...
... are regions where the plasma membrane from two neighboring cells are in actual contact. occur only in plants. involve connective microfilaments that traverse the space between adjacent cells. are anchored by microfilaments on the insides of the cell membranes of adjacent cells. contain a 24 nm space ...
NUCLEAR PROTEIN KINASE ACTIVITIES DURING THE CELL
... nucleotide dependent and independent, have been isolated from the nuclear phosphoproteins of various eukaryotic tissues and cell lines [20--24]. Recently nuclear protein kinases have been further purified from these nuclear phosphoprotein fractions by the use of casein affinity chromatography [25]. ...
... nucleotide dependent and independent, have been isolated from the nuclear phosphoproteins of various eukaryotic tissues and cell lines [20--24]. Recently nuclear protein kinases have been further purified from these nuclear phosphoprotein fractions by the use of casein affinity chromatography [25]. ...
Surface CD81 Via Microparticles Release and Intercellular Transfer
... ported a costimulatory effect of anti-CD81 mAbs on human thymocyte differentiation (13). It remains unclear whether treatment of cells with anti-CD81 mAbs disengages CD81 on the surface and inhibits its function or increases its association with other proteins and mimics its natural function (6). Al ...
... ported a costimulatory effect of anti-CD81 mAbs on human thymocyte differentiation (13). It remains unclear whether treatment of cells with anti-CD81 mAbs disengages CD81 on the surface and inhibits its function or increases its association with other proteins and mimics its natural function (6). Al ...
Negative control of cell size in the cyanobacterium Synechococcus
... NblS, RpaB and, importantly, key residues required for phosphorylation of these proteins are all essential for cell viability in the obligated photoautotroph S. elongatus [8], suggesting that the phosphorylated form of RpaB mediates functions that are required for growth during standard culture cond ...
... NblS, RpaB and, importantly, key residues required for phosphorylation of these proteins are all essential for cell viability in the obligated photoautotroph S. elongatus [8], suggesting that the phosphorylated form of RpaB mediates functions that are required for growth during standard culture cond ...
Electron Microscopic Study of the Guinea Pig
... irregularly shaped, and often elongated; they contained many cytoplasmic processes and large, occasionally deeply indented nuclei. Fig. 8, a section of s.c. tumor and Figs. 3 and 9, areas of lung infiltrated by leukemic cells, illustrate several typical cells and some of their characteristic feature ...
... irregularly shaped, and often elongated; they contained many cytoplasmic processes and large, occasionally deeply indented nuclei. Fig. 8, a section of s.c. tumor and Figs. 3 and 9, areas of lung infiltrated by leukemic cells, illustrate several typical cells and some of their characteristic feature ...
The MAP Kinase MPK4 Is Required for Cytokinesis
... To examine the viability of mpk4-2 anq-2 gametes, we performed reciprocal crosses between an mpk4-2/+ anq-2/+ double heterozygote and a wild-type parent (Table 1). When we used mutant pollen from the mpk4-2/+ anq-2/+ parent for crosses with a wild-type female parent, mutant alleles were transmitted ...
... To examine the viability of mpk4-2 anq-2 gametes, we performed reciprocal crosses between an mpk4-2/+ anq-2/+ double heterozygote and a wild-type parent (Table 1). When we used mutant pollen from the mpk4-2/+ anq-2/+ parent for crosses with a wild-type female parent, mutant alleles were transmitted ...
The Gram Reaction and Cell Composition: Nucleic
... low LP in the analyses of the whole cells. The work of Newton (1953)and our own recent unpublished observations show that Gram-negative organisms lose significant amounts of the acidsoluble components when washed in distilled water, whereas Gram-positive organisms generally do not. Since all the org ...
... low LP in the analyses of the whole cells. The work of Newton (1953)and our own recent unpublished observations show that Gram-negative organisms lose significant amounts of the acidsoluble components when washed in distilled water, whereas Gram-positive organisms generally do not. Since all the org ...
Surface Sialic Acids Taken from the Host Allow Trypanosome
... that procyclic trypanosomes completely lacking all procyclin genes express free GPI on their surface (24). Lillico et al. reported that some of the nonprotein-linked GPIs are on the surface of the GPI8KO (17). We found that GPI10KO as well as GPI8KO trypanosomes express abundant nonprotein-linked GP ...
... that procyclic trypanosomes completely lacking all procyclin genes express free GPI on their surface (24). Lillico et al. reported that some of the nonprotein-linked GPIs are on the surface of the GPI8KO (17). We found that GPI10KO as well as GPI8KO trypanosomes express abundant nonprotein-linked GP ...
35-2 The Nervous System
... At the end of the neuron, the impulse reaches an axon terminal. Usually the neuron makes contact with another cell at this site. The neuron may pass the impulse along to the second cell. The location at which a neuron can transfer an impulse to another cell is called a synapse. Slide 23 of 38 Copyri ...
... At the end of the neuron, the impulse reaches an axon terminal. Usually the neuron makes contact with another cell at this site. The neuron may pass the impulse along to the second cell. The location at which a neuron can transfer an impulse to another cell is called a synapse. Slide 23 of 38 Copyri ...
Engineering amount of cell–cell contact demonstrates biphasic
... decreased cell spreading on ECM, another possibility is that the small amount of cell–cell contact in our two-cell patterns stimulates proliferation while the large amount of contact in monolayers arrests proliferation. Here, we used a novel micropatterning approach to investigate whether the number ...
... decreased cell spreading on ECM, another possibility is that the small amount of cell–cell contact in our two-cell patterns stimulates proliferation while the large amount of contact in monolayers arrests proliferation. Here, we used a novel micropatterning approach to investigate whether the number ...
Aphidicolin-Induced Nuclear Elongation in Tobacco BY
... BY-2 cells were cultured for 48 h in the presence of 5 mg l1 aphidicolin and 1 mM latrunculin B (LatB) or 6 mM propyzamide. As shown in Fig. 6C and D, neither 1 mM LatB nor 6 mM propyzamide affected the cell elongation during the 48 h culture in the presence of aphidicolin. However, both 1 mM LatB ...
... BY-2 cells were cultured for 48 h in the presence of 5 mg l1 aphidicolin and 1 mM latrunculin B (LatB) or 6 mM propyzamide. As shown in Fig. 6C and D, neither 1 mM LatB nor 6 mM propyzamide affected the cell elongation during the 48 h culture in the presence of aphidicolin. However, both 1 mM LatB ...
File - Biology with Radjewski
... • ___________ cell from toxic substances • Made of _______________ (Eubacteria, not Archaebacteria) Bacteria Cell Membrane • Also called the ______________________ • ______________ (different for both kingdoms) • _____________ barrier • Many important _______________ functions occur here Bacteria Cy ...
... • ___________ cell from toxic substances • Made of _______________ (Eubacteria, not Archaebacteria) Bacteria Cell Membrane • Also called the ______________________ • ______________ (different for both kingdoms) • _____________ barrier • Many important _______________ functions occur here Bacteria Cy ...
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... The application of reverse genetics to the protoplast-based cell wall regeneration system also provides an attractive approach for characterizing cell wall proteins. It is not easy, however, to establish a suspension culture cell line with specific genes knocked out. We therefore recently developed ...
... The application of reverse genetics to the protoplast-based cell wall regeneration system also provides an attractive approach for characterizing cell wall proteins. It is not easy, however, to establish a suspension culture cell line with specific genes knocked out. We therefore recently developed ...
Mitogen-activated protein kinase kinase 1
... MEK1/2-specific inhibitor U0126 delayed the passage of synchronized HeLa cells into M phase. The MEK1 requirement for normal mitotic entry was abrogated if Golgi proteins were dispersed before M phase by treatment of cells with brefeldin A or if GRASP65, which links Golgi stacks into a ribbon networ ...
... MEK1/2-specific inhibitor U0126 delayed the passage of synchronized HeLa cells into M phase. The MEK1 requirement for normal mitotic entry was abrogated if Golgi proteins were dispersed before M phase by treatment of cells with brefeldin A or if GRASP65, which links Golgi stacks into a ribbon networ ...
The ~53 Proto-Oncogene Can Act as a Suppressor of Transformation
... derived p53 cDNAs and of at least one ~53 genomic clone, all of which possess mutations that activate the ~53 protein for cooperation with ras (Finlay et al., 1988; Eliyahu et al., 1988; Hinds et al., 1989). The mutations (the result of one or two single nucleotide changes) are localized between ami ...
... derived p53 cDNAs and of at least one ~53 genomic clone, all of which possess mutations that activate the ~53 protein for cooperation with ras (Finlay et al., 1988; Eliyahu et al., 1988; Hinds et al., 1989). The mutations (the result of one or two single nucleotide changes) are localized between ami ...
Probing cytoplasmic viscosity in the confined geometry of
... provides excellent imaging capabilities. Furthermore, this model plant is particularly relevant for studies of drought tolerance [6–9], and for bio-technological applications [8, 10–12]. Nevertheless, in order to develop a mechanistic and quantitative understanding of plant cell growth, it is import ...
... provides excellent imaging capabilities. Furthermore, this model plant is particularly relevant for studies of drought tolerance [6–9], and for bio-technological applications [8, 10–12]. Nevertheless, in order to develop a mechanistic and quantitative understanding of plant cell growth, it is import ...
Molecular Components of the Signal Sequence that Function in the
... One of the characteristic phenotypes exhibited by strains carrying the 42-1 fusion is related to the inability of the cell to export the LamB-LacZ hybrid protein efficiently. When cells containing this gene fusion are grown in the presence of maltose to induce high-level synthesis of the hybrid prot ...
... One of the characteristic phenotypes exhibited by strains carrying the 42-1 fusion is related to the inability of the cell to export the LamB-LacZ hybrid protein efficiently. When cells containing this gene fusion are grown in the presence of maltose to induce high-level synthesis of the hybrid prot ...