Gravity sensing, a largely misunderstood trigger of plant orientated
... The time course of gravitropic curvature investigated in hypocotyl, stem, as well as in the trunk and branches illustrate the following steps in several species: the upward curving of the organs is observed after a latency phase and progressively followed by a “decurving” which starts at the tip and ...
... The time course of gravitropic curvature investigated in hypocotyl, stem, as well as in the trunk and branches illustrate the following steps in several species: the upward curving of the organs is observed after a latency phase and progressively followed by a “decurving” which starts at the tip and ...
during Drosophila melanogaster Embryogenesis
... Metz in 1916 indicated that in Dipterans, homologous chromosomes in metaphase neuroblast spreads are usually found near each other (Metz, 1916), and this is often cited as evidence for diploid homolog pairing, although extrapolation from metaphase data to the interphase state may not be justified. I ...
... Metz in 1916 indicated that in Dipterans, homologous chromosomes in metaphase neuroblast spreads are usually found near each other (Metz, 1916), and this is often cited as evidence for diploid homolog pairing, although extrapolation from metaphase data to the interphase state may not be justified. I ...
Parenchyma cells
... Parenchyma – Ground tissue Parenchyma cells contain a nucleus and retain the ability for future cell division. When they are first formed, they are densely cytoplasmic and have several small vacuoles. As the cells enlarge, the vacuole size increases and intercellular spaces can form between cell wal ...
... Parenchyma – Ground tissue Parenchyma cells contain a nucleus and retain the ability for future cell division. When they are first formed, they are densely cytoplasmic and have several small vacuoles. As the cells enlarge, the vacuole size increases and intercellular spaces can form between cell wal ...
Biogenesis of MalF and the MalFGK Maltose Transport Escherichia coli 2
... the release of transmembrane segments (TMs) into the membrane (6, 8). The ATPase SecA is required for the translocation of large (ⱖ60 amino acids) periplasmic domains of inner membrane proteins (1, 9). The inner membrane protein YidC, which is essential for viability, has been identified as a factor ...
... the release of transmembrane segments (TMs) into the membrane (6, 8). The ATPase SecA is required for the translocation of large (ⱖ60 amino acids) periplasmic domains of inner membrane proteins (1, 9). The inner membrane protein YidC, which is essential for viability, has been identified as a factor ...
That bacteria may be able to mutate in response to
... Cairns and his colleagues imposed nonlethal selection. In separate experiments, they plated strains of E. coli that shared an inability to use lactose as an energy source (and thus are designated Lac-) on agar plates with lactose as the only energy source. The conditions were sharply selective for L ...
... Cairns and his colleagues imposed nonlethal selection. In separate experiments, they plated strains of E. coli that shared an inability to use lactose as an energy source (and thus are designated Lac-) on agar plates with lactose as the only energy source. The conditions were sharply selective for L ...
Yeeeeeeea Haaaaaw! Grab yer hat and saddle the broncs! It`s time
... 1. CRIME: What has this organelle done? Why is this organelle "wanted"? In other words, what does it do for the cell? Or, what is the organelle’s function? 2. PHYSICAL DESCRIPTION: What does the organelle look like? Provide a description and an actual picture. The picture can be a mug shot (prin ...
... 1. CRIME: What has this organelle done? Why is this organelle "wanted"? In other words, what does it do for the cell? Or, what is the organelle’s function? 2. PHYSICAL DESCRIPTION: What does the organelle look like? Provide a description and an actual picture. The picture can be a mug shot (prin ...
Challenge Concentration Type Cellular effect NaCl 1.4M Cation
... a single gene in most natural strains but in Wine/European strains a different gene variant introgressed from S. paradoxus has been amplified into 3-5 similar paralogs (Warringer et al. 2011). This introgression/duplication largely defines natural yeast variation in salt tolerance. The Ena1 variant ...
... a single gene in most natural strains but in Wine/European strains a different gene variant introgressed from S. paradoxus has been amplified into 3-5 similar paralogs (Warringer et al. 2011). This introgression/duplication largely defines natural yeast variation in salt tolerance. The Ena1 variant ...
junk DNA - Salamander Genome Project
... transcription rates. Such conjunctions could involve mutational changes with low specificity requirements in gene-associated regions of nonprotein-coding sequences. The effects of such mutations, notably when they determine the use of histone variants and covalent modifications of histones, can be a ...
... transcription rates. Such conjunctions could involve mutational changes with low specificity requirements in gene-associated regions of nonprotein-coding sequences. The effects of such mutations, notably when they determine the use of histone variants and covalent modifications of histones, can be a ...
COMMENTARY REDOX SIGNALLING BY TRANSCRIPTION
... are sensed or inducibly produced are less well understood, and transcription factors that are exclusively activated by ROIs or that selectively control expression of ROI-protective and repair enzymes have not been identified. In T lymphocytes, most of the genes induced by oxidative stress can be equ ...
... are sensed or inducibly produced are less well understood, and transcription factors that are exclusively activated by ROIs or that selectively control expression of ROI-protective and repair enzymes have not been identified. In T lymphocytes, most of the genes induced by oxidative stress can be equ ...
Full Text - The International Journal of Developmental Biology
... the inductive signals that specify micromeres along the animalvegetal or dorso-ventral axes (Verdonk and van den Biggelaar, 1983). Asymmetric partitioning of cell autonomous determinants, which either promote or inhibit mesodermal specification, might also control the restriction of ectomesoderm fat ...
... the inductive signals that specify micromeres along the animalvegetal or dorso-ventral axes (Verdonk and van den Biggelaar, 1983). Asymmetric partitioning of cell autonomous determinants, which either promote or inhibit mesodermal specification, might also control the restriction of ectomesoderm fat ...
Lecture 10: The Extracellular matrix
... body mainly in ECM or ‘ground substance’ where they are associated with each other and also with the other major structural components of the matrix, collagen and elastin. These interactions are important in determining the structural organization of the matrix. The GAGs bind polycations and cations ...
... body mainly in ECM or ‘ground substance’ where they are associated with each other and also with the other major structural components of the matrix, collagen and elastin. These interactions are important in determining the structural organization of the matrix. The GAGs bind polycations and cations ...
Chapter 7: Cellular Structure and Function - Bellbrook
... Look again at Figure 7.4 and compare the types of cells. You can see why scientists place them into two broad categories that are based on internal structures. Both have a plasma membrane, but one cell contains many distinct internal structures called organelles—specialized structures that carry ou ...
... Look again at Figure 7.4 and compare the types of cells. You can see why scientists place them into two broad categories that are based on internal structures. Both have a plasma membrane, but one cell contains many distinct internal structures called organelles—specialized structures that carry ou ...
FOOD WEB
... Molecules and enzymes float around until they find each other to produce biochemical activity. EUKARYOTIC Video Notes Eukaryotic cells are found in all multicellular plants and animals. Eukaryotic cells are specialized and look different. Eukaryotic cells are more complex than prokaryotic cells. Euk ...
... Molecules and enzymes float around until they find each other to produce biochemical activity. EUKARYOTIC Video Notes Eukaryotic cells are found in all multicellular plants and animals. Eukaryotic cells are specialized and look different. Eukaryotic cells are more complex than prokaryotic cells. Euk ...
Immunological Memory: Contribution of Memory B Cells Expressing
... between functionally distinct cell subsets, accumulating evidence has identified surface CD27 as a useful marker of human memory B cells (15–19). In particular, recent single-cell studies of circulating B cells in humans directly confirmed that essentially all circulating CD27⫹ B cells displayed var ...
... between functionally distinct cell subsets, accumulating evidence has identified surface CD27 as a useful marker of human memory B cells (15–19). In particular, recent single-cell studies of circulating B cells in humans directly confirmed that essentially all circulating CD27⫹ B cells displayed var ...
Cellular Force Microscopy for in Vivo
... indentation depth. The stiffness obtained reflects not only cell wall elastic properties but also turgor pressure (Smith et al., 1998; Wang et al., 2004), cell and indenter geometry (Bolduc et al., 2006), and mechanical stresses prior to indentation (Zamir and Taber, 2004). For that reason, we will ...
... indentation depth. The stiffness obtained reflects not only cell wall elastic properties but also turgor pressure (Smith et al., 1998; Wang et al., 2004), cell and indenter geometry (Bolduc et al., 2006), and mechanical stresses prior to indentation (Zamir and Taber, 2004). For that reason, we will ...
Conservation of inner nuclear membrane targeting sequences in
... To visualize the interaction of RnPom121NLS with importin α1, we focused on the NLS regions encoded by residues 291–320. We coex pressed in bacteria plasmids encoding ΔIBB-importin α1 and GSTtagged Pom121NLS (residues 291–320), and captured a stoichiomet ric complex of the two proteins on glutathi ...
... To visualize the interaction of RnPom121NLS with importin α1, we focused on the NLS regions encoded by residues 291–320. We coex pressed in bacteria plasmids encoding ΔIBB-importin α1 and GSTtagged Pom121NLS (residues 291–320), and captured a stoichiomet ric complex of the two proteins on glutathi ...
Non -Living Components of plant cell 1
... granules and another substances which is a metabolic products or stored materials. Number of ...
... granules and another substances which is a metabolic products or stored materials. Number of ...
Theory and Algorithms for Constructing Discrete Morse
... The elements of Hp (X, ∂) are equivalence classes of p-cycles such that two cycles are equivalent if their difference is the boundary of a (p + 1)-chain. The basic topological structure of a space is quantified by the number of independent cycles in each homology group. Specifically, the rank of the ...
... The elements of Hp (X, ∂) are equivalence classes of p-cycles such that two cycles are equivalent if their difference is the boundary of a (p + 1)-chain. The basic topological structure of a space is quantified by the number of independent cycles in each homology group. Specifically, the rank of the ...
SB-431542: Potent and selective inhibitor of activin receptor
... Sigma-RBI is pleased to offer SCH-28080 (Prod. No. S 4443), a potent, reversible inhibitor of gastric H+,K+ATPase that competitively binds to the luminal K+ high affinity site of H+,K+-ATPase. In contrast, SCH-28080 does not inhibit Na+,K+-ATPase. In addition, SCH-28080 inhibits renal ouabain-insens ...
... Sigma-RBI is pleased to offer SCH-28080 (Prod. No. S 4443), a potent, reversible inhibitor of gastric H+,K+ATPase that competitively binds to the luminal K+ high affinity site of H+,K+-ATPase. In contrast, SCH-28080 does not inhibit Na+,K+-ATPase. In addition, SCH-28080 inhibits renal ouabain-insens ...
The Bordetella pertussis adenylate cyclase toxin binds to T cells via
... The interaction of CyaA with T cells is mediated by LFA-1 To further characterize the interaction of CyaA with its putative receptor on T cells, we compared CyaA binding to quiescent and activated T cells. Peripheral T cells were stimulated at different times with an agonistic anti-CD3 mAb, and CyaA ...
... The interaction of CyaA with T cells is mediated by LFA-1 To further characterize the interaction of CyaA with its putative receptor on T cells, we compared CyaA binding to quiescent and activated T cells. Peripheral T cells were stimulated at different times with an agonistic anti-CD3 mAb, and CyaA ...
Lecture 1 Part I Nordström 13.9.
... • Some make fimbria-like structures called hami • Function to attach archaea to surfaces © 2015 Pearson Education, Ltd. ...
... • Some make fimbria-like structures called hami • Function to attach archaea to surfaces © 2015 Pearson Education, Ltd. ...
Lecture 25
... V1 cells are sensitive to the direction of motion of the spatial frequency components of a stimulus. For example, in plaid stimuli a V1 cell will respond when either sine wave is moving in its preferred direction, but will not respond for the pattern motion in its preferred direction. Some MT cells ...
... V1 cells are sensitive to the direction of motion of the spatial frequency components of a stimulus. For example, in plaid stimuli a V1 cell will respond when either sine wave is moving in its preferred direction, but will not respond for the pattern motion in its preferred direction. Some MT cells ...