Actin behavior in bulk cytoplasm is cell cycle regulated in early
... preferred orientation. This lack of F-actin orientation is consistent with isotropic contraction of the network. Similar images were obtained with low concentrations of rhodamine–phalloidin (data not shown) and GFP–Utrophin (data not shown). Using the Lifeact probe, we are able to gain hints to the ...
... preferred orientation. This lack of F-actin orientation is consistent with isotropic contraction of the network. Similar images were obtained with low concentrations of rhodamine–phalloidin (data not shown) and GFP–Utrophin (data not shown). Using the Lifeact probe, we are able to gain hints to the ...
Yeeeeeeea Haaaaaw! Grab yer hat and saddle the broncs! It`s time
... You will need to follow the “cyber” trails to find information about your wanted organelle. You do not need to visit each website. However, each website will offer information to help you gather your facts! 1. The Encyclopedia Britannica Online - http://www.school.eb.com/comptons/article-9273572 Thi ...
... You will need to follow the “cyber” trails to find information about your wanted organelle. You do not need to visit each website. However, each website will offer information to help you gather your facts! 1. The Encyclopedia Britannica Online - http://www.school.eb.com/comptons/article-9273572 Thi ...
programmed cell death in plant
... includes the HR on one or a few leaves develop immunity to many other pathogens in the leaves that have not previously been exposed to pathogens. This immunity is called systemic acquired resistance, and it requires the signal SA for its induction (29). Many of the diverse biochemical and cell biolo ...
... includes the HR on one or a few leaves develop immunity to many other pathogens in the leaves that have not previously been exposed to pathogens. This immunity is called systemic acquired resistance, and it requires the signal SA for its induction (29). Many of the diverse biochemical and cell biolo ...
PDF
... Molecular Probes) or tetramethylrhodamine–dextran amine (RDA, Molecular Probes) was injected into M, N, O, P or Q teloblasts after their birth, using fast green dye (1% final concentration) to monitor the course of the injections, as previously described (Weisblat et al., 1980). All injections were ...
... Molecular Probes) or tetramethylrhodamine–dextran amine (RDA, Molecular Probes) was injected into M, N, O, P or Q teloblasts after their birth, using fast green dye (1% final concentration) to monitor the course of the injections, as previously described (Weisblat et al., 1980). All injections were ...
OGT Practice Life Science
... The rate at which light energy is converted to organic compounds by the photosynthetic organisms of an ecosystem is called productivity. Scientists have developed a method to determine the productivity of phytoplankton in an aquatic habitat using the following steps. Method to Determine Productivity ...
... The rate at which light energy is converted to organic compounds by the photosynthetic organisms of an ecosystem is called productivity. Scientists have developed a method to determine the productivity of phytoplankton in an aquatic habitat using the following steps. Method to Determine Productivity ...
Page 07-LS1-1. Conduct an investigation to provide evidence that
... of cells, either one cell or many different numbers and types of cells. [Clarification Statement: Emphasis is on developing evidence that living things are made of cells, distinguishing between living and non-living cells, and understanding that living things may be made of one cell or many and vari ...
... of cells, either one cell or many different numbers and types of cells. [Clarification Statement: Emphasis is on developing evidence that living things are made of cells, distinguishing between living and non-living cells, and understanding that living things may be made of one cell or many and vari ...
Protoplast Culture: definition
... Once the protoplasts have regenerated a cell wall, they undergo cell division and form a callus.This callus can be subcultured. The callus may undergo embryogenesis or organogenesis after about 3-4 weeks, in the correct culture conditions. The ...
... Once the protoplasts have regenerated a cell wall, they undergo cell division and form a callus.This callus can be subcultured. The callus may undergo embryogenesis or organogenesis after about 3-4 weeks, in the correct culture conditions. The ...
Alteration of the Cytoplasmic Domain of the Membrane
... calf alkaline phosphatase were purchased from Boehringer Mannheim Biochemicals (Mannheim, FRG) and T4 ligase was from New England Biolabs (Schalbach/Taunus, FRG). [35S]Methionine (1,070 Ci/mmol) was from Amersham Buchler GmbH (Braunschweig, FRG); [3H]palmitic acid and ~C-methylated protein mixture ( ...
... calf alkaline phosphatase were purchased from Boehringer Mannheim Biochemicals (Mannheim, FRG) and T4 ligase was from New England Biolabs (Schalbach/Taunus, FRG). [35S]Methionine (1,070 Ci/mmol) was from Amersham Buchler GmbH (Braunschweig, FRG); [3H]palmitic acid and ~C-methylated protein mixture ( ...
How signaling modalities link oogenesis to
... Follicles • Follicles activate from primordials • Grow to increase somatic cell number (hyperplasia) and support germ cell hypertrophy • Acquire gonadotropin sensitivity along with steroidogenic capacity • Acquire ovulation competency for both the mural and cumulus compartments ...
... Follicles • Follicles activate from primordials • Grow to increase somatic cell number (hyperplasia) and support germ cell hypertrophy • Acquire gonadotropin sensitivity along with steroidogenic capacity • Acquire ovulation competency for both the mural and cumulus compartments ...
Endoplasmosis and exoplasmosis: the evolutionary principles
... membrana” [9]), supporting the notion that the compartmental organisation of eukaryotes is not encoded in the genome, but directly inherited. This notion also suggests that the eukaryotic ancestor cells must have had biological membranes [11]. The structure of eukaryotic cells with plasmatic and non ...
... membrana” [9]), supporting the notion that the compartmental organisation of eukaryotes is not encoded in the genome, but directly inherited. This notion also suggests that the eukaryotic ancestor cells must have had biological membranes [11]. The structure of eukaryotic cells with plasmatic and non ...
Inter-specific scaling of phytoplankton production and cell size in the
... b is critical to understand the factors that control the size structure of planktonic communities. The implication of a b value well below 1 is that b0 , ,0 and, therefore, that smaller cells, on account of their much faster growth rates, should dominate all aquatic ecosystems. But nutrient-rich, pr ...
... b is critical to understand the factors that control the size structure of planktonic communities. The implication of a b value well below 1 is that b0 , ,0 and, therefore, that smaller cells, on account of their much faster growth rates, should dominate all aquatic ecosystems. But nutrient-rich, pr ...
1 Lecture 15: Molecular Structure of the Cell Membrane 15.1
... They form a very important class of membrane proteins. They convey the “information” into the cell by modifications of their protein structure. The binding of the signal molecule to the extracellular domain causes conformational changes of the protein arrangement that extend through the cell mem ...
... They form a very important class of membrane proteins. They convey the “information” into the cell by modifications of their protein structure. The binding of the signal molecule to the extracellular domain causes conformational changes of the protein arrangement that extend through the cell mem ...
From Flower to Seed Germination in Cynara cardunculus: A Role for
... presence of cardosin A, specifically detected in the electrondense structures (Fig. 4B) where it accumulates throughout flower development (Ramalho-Santos et al. 1997; Duarte et al. 2006). The electron-dense compartments may therefore be protein-storage vacuoles (PSVs), while the electrontransparent ...
... presence of cardosin A, specifically detected in the electrondense structures (Fig. 4B) where it accumulates throughout flower development (Ramalho-Santos et al. 1997; Duarte et al. 2006). The electron-dense compartments may therefore be protein-storage vacuoles (PSVs), while the electrontransparent ...
Linking Cataracts to Cancer
... discover a method to cure cancer; however, nobody has succeeded in fully curing it yet. An important part of the process of eliminating cancer cells and increasing survival chances is via early detection. Recent studies have produced increasingly positive results in accurately detecting premature ca ...
... discover a method to cure cancer; however, nobody has succeeded in fully curing it yet. An important part of the process of eliminating cancer cells and increasing survival chances is via early detection. Recent studies have produced increasingly positive results in accurately detecting premature ca ...
Genetic Analysis of the Yeast Cytoskeleton.
... by DNAhybridization to probes consisting of the corresponding genes from higher eukaryotes (29, 54, 55). The c~-tubulin genes of Saccharomyceswere cloned by DNAhomologywith the a-tubulin genes of Schizosaccharomyces (70). The usefulness of heterologous clones as DNAprobes in the general case depends ...
... by DNAhybridization to probes consisting of the corresponding genes from higher eukaryotes (29, 54, 55). The c~-tubulin genes of Saccharomyceswere cloned by DNAhomologywith the a-tubulin genes of Schizosaccharomyces (70). The usefulness of heterologous clones as DNAprobes in the general case depends ...
Immunoglobulin Heavy Chain and Binding Protein Complexes Are
... labeled Ag8(8) cells and unlabeled Ag8.653 cells that produce no Ig chains (Kearney et al., 1979). Examination of the culture supernatant from the A g 8 ( 8 ) × P3U.1 fusion revealed the secretion of labeled IgG (Figure 3 A). In contrast, Ig was not detected in the medium of Ag8(8) cells fused to th ...
... labeled Ag8(8) cells and unlabeled Ag8.653 cells that produce no Ig chains (Kearney et al., 1979). Examination of the culture supernatant from the A g 8 ( 8 ) × P3U.1 fusion revealed the secretion of labeled IgG (Figure 3 A). In contrast, Ig was not detected in the medium of Ag8(8) cells fused to th ...
-Chain Cytokine Signals γ Activation Is Independent of Jak3
... FIGURE 2. Jak3-dependent cytokine signals affect T cell survival but not proliferation. A, Purified CD4 SP thymocytes from Jak3⫹/⫺ and Jak3⫺/⫺ OT-II Bcl-2 mice were stimulated with anti-CD3 (1 g/ml) plus anti-CD28 (4 g/ml) Abs. Three days later, cells were stained with annexin V and 7-AAD and anal ...
... FIGURE 2. Jak3-dependent cytokine signals affect T cell survival but not proliferation. A, Purified CD4 SP thymocytes from Jak3⫹/⫺ and Jak3⫺/⫺ OT-II Bcl-2 mice were stimulated with anti-CD3 (1 g/ml) plus anti-CD28 (4 g/ml) Abs. Three days later, cells were stained with annexin V and 7-AAD and anal ...
Autophagy in Stem Cell Maintenance and Differentiation
... Mechanisms of cellular homeostasis are important for preventing cellular injuries that could lead to impaired cellular function and ultimately cell death. One of those mechanisms is macroautophagy (hereafter called autophagy), a lysosome-dependent degradation pathway that allows the recycling of dam ...
... Mechanisms of cellular homeostasis are important for preventing cellular injuries that could lead to impaired cellular function and ultimately cell death. One of those mechanisms is macroautophagy (hereafter called autophagy), a lysosome-dependent degradation pathway that allows the recycling of dam ...
PDF
... Fig. 1. Characterization of the long isoforms (UNC-53L) of unc-53. (A) Structure of the unc-53 gene. The start of the various UNC-53L and UNC-53S isoforms are indicated by arrows. The promoter for UNC-53SA is between exons 5 and 8, and the promoter for UNC-53SB is located between exons 8 and 13 (Cho ...
... Fig. 1. Characterization of the long isoforms (UNC-53L) of unc-53. (A) Structure of the unc-53 gene. The start of the various UNC-53L and UNC-53S isoforms are indicated by arrows. The promoter for UNC-53SA is between exons 5 and 8, and the promoter for UNC-53SB is located between exons 8 and 13 (Cho ...
CELL
... mitosis and meiosis. • Found near the nucleus - they cannot be seen when the cell is not dividing. • When two centrioles are found next to each other, they are usually at right angles. • Centrioles participate in cell division as forming the mitotic spindle when the time comes for the cell to split. ...
... mitosis and meiosis. • Found near the nucleus - they cannot be seen when the cell is not dividing. • When two centrioles are found next to each other, they are usually at right angles. • Centrioles participate in cell division as forming the mitotic spindle when the time comes for the cell to split. ...