Article - Columbia University
... mm in males and 6.15 6 0.15 mm in females [mean 6 standard error of the mean (S.E.M.); n 5 30 cells chosen randomly from three separate animals]. These differences were not significant by a one-tailed t test ( p . .1 for both stage 56 and 64). Thus, nuclear size in n. IX-X is equivalent in male and ...
... mm in males and 6.15 6 0.15 mm in females [mean 6 standard error of the mean (S.E.M.); n 5 30 cells chosen randomly from three separate animals]. These differences were not significant by a one-tailed t test ( p . .1 for both stage 56 and 64). Thus, nuclear size in n. IX-X is equivalent in male and ...
Development
... expansion, which is in turn dependent upon cell division and expansion. The importance of cell proliferation on leaf morphology can be observed in Arabidopsis transgenic lines expressing cyclindependent kinase inhibitor 1 (ICK1) or Kip-related protein 2 (KRP2), which inhibit leaf cell proliferation ...
... expansion, which is in turn dependent upon cell division and expansion. The importance of cell proliferation on leaf morphology can be observed in Arabidopsis transgenic lines expressing cyclindependent kinase inhibitor 1 (ICK1) or Kip-related protein 2 (KRP2), which inhibit leaf cell proliferation ...
Localization of the mei-1 Gene Product of
... The mitotic-defective mutations, which include ts, dominant gain-of-function (gf) alleles of mei-l(ct46) and mel26(ct61), and recessive loss-of-function alleles of zyg-9, are characterized by a shortened mitotic spindle in the posterior of the embryo, often with a dorsal-ventral orientation (Fig. 1; ...
... The mitotic-defective mutations, which include ts, dominant gain-of-function (gf) alleles of mei-l(ct46) and mel26(ct61), and recessive loss-of-function alleles of zyg-9, are characterized by a shortened mitotic spindle in the posterior of the embryo, often with a dorsal-ventral orientation (Fig. 1; ...
A 3 -Truncated Transferrin Messenger RNA Is Expressed in Rat
... half forms a lobe of approximately 330 amino acids composing two domains, which contribute binding pockets for ferric ion and an accessory anion [3]. The cysteine residues, which are highly conserved among the transferrins and among species, are also conserved in hemiferrin, suggesting that the prot ...
... half forms a lobe of approximately 330 amino acids composing two domains, which contribute binding pockets for ferric ion and an accessory anion [3]. The cysteine residues, which are highly conserved among the transferrins and among species, are also conserved in hemiferrin, suggesting that the prot ...
Automatic sampling for unbiased and efficient stereological
... total area sampling fraction of 0.117 (43% of SURS). The Q—-weighted section thickness was 45 Nm and the height of the optical fractionator was 35 Nm. Total number was estimated as in the previous example. The orexin neurons have a mildly clustered distribution in the reference space. The example wa ...
... total area sampling fraction of 0.117 (43% of SURS). The Q—-weighted section thickness was 45 Nm and the height of the optical fractionator was 35 Nm. Total number was estimated as in the previous example. The orexin neurons have a mildly clustered distribution in the reference space. The example wa ...
Using intrinsically fluorescent proteins for plant cell
... locale. If information is known about changes in localization of the wild-type protein that accompany physiological or developmental states, such as translocation to the nucleus, then the IFP chimera should similarly show alterations in localization patterns. Immunocytochemistry in a wild-type plant ...
... locale. If information is known about changes in localization of the wild-type protein that accompany physiological or developmental states, such as translocation to the nucleus, then the IFP chimera should similarly show alterations in localization patterns. Immunocytochemistry in a wild-type plant ...
2/6/12 Bacterial Growth
... • Mechanisms for combating low water activity in surrounding environment involve increasing the internal solute concentration by – Pumping inorganic ions from environment into cell – Synthesis or concentration of organic solutes • compatible solutes: compounds used by cell to counteract low water ac ...
... • Mechanisms for combating low water activity in surrounding environment involve increasing the internal solute concentration by – Pumping inorganic ions from environment into cell – Synthesis or concentration of organic solutes • compatible solutes: compounds used by cell to counteract low water ac ...
Coordination of peptidoglycan synthesis and outer membrane
... a ‘pinch-point’ until the two halves of the cell have been separated. This process must be carefully controlled to ensure that the cell does not burst open at any point. Some bacteria known as ‘Gram-negative’ bacteria have a second membrane on the other side of the cell wall. These cells divide in t ...
... a ‘pinch-point’ until the two halves of the cell have been separated. This process must be carefully controlled to ensure that the cell does not burst open at any point. Some bacteria known as ‘Gram-negative’ bacteria have a second membrane on the other side of the cell wall. These cells divide in t ...
Now! - Soojeede.com
... 1- General (somatic) death 2- Local death which include: A- Physiological local death (Necrobiosis) e.g. RBCs and squamous cell after end of their life span. B- Necrosis. ...
... 1- General (somatic) death 2- Local death which include: A- Physiological local death (Necrobiosis) e.g. RBCs and squamous cell after end of their life span. B- Necrosis. ...
Meiotic Induction of the Yeast HOP1 Gene Is
... contains a hopl-lacZ gene fusion. A fragment encoding the first 115 residues of the HOP1 protein along with 207 bp of the promoter region was joined in frame to the lacZ gene. We tested whether the hopl-lacZ fusion was induced during meiosis and whether it followed the same temporal pattern of expre ...
... contains a hopl-lacZ gene fusion. A fragment encoding the first 115 residues of the HOP1 protein along with 207 bp of the promoter region was joined in frame to the lacZ gene. We tested whether the hopl-lacZ fusion was induced during meiosis and whether it followed the same temporal pattern of expre ...
Full Text - The International Journal of Developmental Biology
... 3d and 4d also have strong diffuse expression. (D) IoDl expression: at the 2q stage, low level cytoplasmic staining is observed in all cells of the embryo. Abundant centrosomal localization is observed in the macromeres (2ABCD). (E) At the 3q stage, all cells of the embryo have a low level of cytopl ...
... 3d and 4d also have strong diffuse expression. (D) IoDl expression: at the 2q stage, low level cytoplasmic staining is observed in all cells of the embryo. Abundant centrosomal localization is observed in the macromeres (2ABCD). (E) At the 3q stage, all cells of the embryo have a low level of cytopl ...
New Phytologist
... nodules in response to infection by strains of Bradyrhizobium sp. (Chamaecytisus), are reported here. • The infection process in this legume was examined by bright field, phase contrast and transmission electron microscopy, and was found to be unlike any other previously described. • First steps in ...
... nodules in response to infection by strains of Bradyrhizobium sp. (Chamaecytisus), are reported here. • The infection process in this legume was examined by bright field, phase contrast and transmission electron microscopy, and was found to be unlike any other previously described. • First steps in ...
the diversity of flower colour
... two critical essays were published, both questioning the concept of plant/pollinator specialisation [18, 19]). Both papers suggested that generalisation, with flowers receiving pollinator service from more than one type of animal, was very frequent in nature. The data now emerging allow us to make i ...
... two critical essays were published, both questioning the concept of plant/pollinator specialisation [18, 19]). Both papers suggested that generalisation, with flowers receiving pollinator service from more than one type of animal, was very frequent in nature. The data now emerging allow us to make i ...
Non-Targeted and Targeted Protein Movement
... 2⫻GFP (54 kD; Fig. 3, C and D). The percentage of cells permitting diffusion of 2⫻GFP through region A leaf cells (30%–53%) was comparable with GFP (34%– 67%; compare Fig. 3, C with A), but was drastically reduced in region B leaves (2%–9%; Fig. 3D; Table I). Single GFP (27 kD) movement was only sli ...
... 2⫻GFP (54 kD; Fig. 3, C and D). The percentage of cells permitting diffusion of 2⫻GFP through region A leaf cells (30%–53%) was comparable with GFP (34%– 67%; compare Fig. 3, C with A), but was drastically reduced in region B leaves (2%–9%; Fig. 3D; Table I). Single GFP (27 kD) movement was only sli ...
Structure and Nanostructure of the Outer Tangential Epidermal Cell
... waxes (amorphous layer, crystalline or semi-crystalline); (2) cuticle (constituted only by cutin); (3) cutinised or fibrillar layer (mainly composed by polysaccharide matrix, cutin and intracuticular waxes); (4) pectic layer; and (5) cellulosic layer (Esau, 1953; Holloway, 1982; Baker, 1982; Lyshede ...
... waxes (amorphous layer, crystalline or semi-crystalline); (2) cuticle (constituted only by cutin); (3) cutinised or fibrillar layer (mainly composed by polysaccharide matrix, cutin and intracuticular waxes); (4) pectic layer; and (5) cellulosic layer (Esau, 1953; Holloway, 1982; Baker, 1982; Lyshede ...
Classifying Monerans and Protists
... 28. Today there are a wide variety of bacteria. Let us take a look at some of the characteristics of them. 29. Graphic Transition – Characteristics of Monerans 30. You Compare! Describe the shape of this bacteria compared to this bacteria. 31. That is right, this bacteria has a round shape. 32. Wher ...
... 28. Today there are a wide variety of bacteria. Let us take a look at some of the characteristics of them. 29. Graphic Transition – Characteristics of Monerans 30. You Compare! Describe the shape of this bacteria compared to this bacteria. 31. That is right, this bacteria has a round shape. 32. Wher ...
Assessment of antimicrobial compounds by microscopy techniques
... new drugs in order to efficiently control resistant microorganisms [1, 2]. The main goal is to achieve antimicrobial compounds with broad and potent antimicrobial activity but without undesirable side effects. In addition, these new compounds should be inexpensive and easy to use, chemically stable ...
... new drugs in order to efficiently control resistant microorganisms [1, 2]. The main goal is to achieve antimicrobial compounds with broad and potent antimicrobial activity but without undesirable side effects. In addition, these new compounds should be inexpensive and easy to use, chemically stable ...
Ubiquitination and sumoylation of the HTLV-2 κB activity: a
... displayed a speckled distribution, whereas endogenous RelA was only detected in the cytoplasm, as previously reported [27]. As indicated by the intensity of the fluorescence staining along a line drawn across the nucleus, wild type Tax-1 or Tax-2B concentrated within punctate nuclear structures in w ...
... displayed a speckled distribution, whereas endogenous RelA was only detected in the cytoplasm, as previously reported [27]. As indicated by the intensity of the fluorescence staining along a line drawn across the nucleus, wild type Tax-1 or Tax-2B concentrated within punctate nuclear structures in w ...
The Nucleolus under Stress
... Although most examples of mechanisms for modulating ribosome subunit biogenesis upon cellular stress involve control of RNA Pol I activity, alternative pathways may also exist. For instance, it has been shown recently that infection of human cells with herpes simplex virus type 1 (HSV-1) affects rRN ...
... Although most examples of mechanisms for modulating ribosome subunit biogenesis upon cellular stress involve control of RNA Pol I activity, alternative pathways may also exist. For instance, it has been shown recently that infection of human cells with herpes simplex virus type 1 (HSV-1) affects rRN ...
Understanding Activity in Electrically Coupled Networks Using PRCs
... ggap simply scales the G-function. It does not affect the existence or stability of the phase-locked states; it only affects how fast the system approaches or diverges from the phase-locked state and how robust the phase-locked states are to noise and heterogeneities (see Chap. 1 for details). Note ...
... ggap simply scales the G-function. It does not affect the existence or stability of the phase-locked states; it only affects how fast the system approaches or diverges from the phase-locked state and how robust the phase-locked states are to noise and heterogeneities (see Chap. 1 for details). Note ...
PDF + SI - Journal of Cell Science
... support by MrBayes, PhyML and RAxML (posterior probability, bootstrap and bootstrap, respectively). Values for highly supported nodes have been replaced by symbols as indicated. Species names are coloured as for the supergroups in Fig. 1. The DSCR3 clade is well-supported by all three methods, and i ...
... support by MrBayes, PhyML and RAxML (posterior probability, bootstrap and bootstrap, respectively). Values for highly supported nodes have been replaced by symbols as indicated. Species names are coloured as for the supergroups in Fig. 1. The DSCR3 clade is well-supported by all three methods, and i ...
Regulation of the subcellular distribution of key cellular RNA
... Alternative splicing and polyadenylation of human cytomegalovirus (HCMV) immediate-early (IE) pre-mRNAs are temporally regulated and rely on cellular RNA-processing factors. This study examined the location and abundance of essential RNA-processing factors, which affect alternative processing of UL3 ...
... Alternative splicing and polyadenylation of human cytomegalovirus (HCMV) immediate-early (IE) pre-mRNAs are temporally regulated and rely on cellular RNA-processing factors. This study examined the location and abundance of essential RNA-processing factors, which affect alternative processing of UL3 ...
Programmed Cell Death in Neurons
... to be conserved in organisms as diverse as mammals, Drosophila melanogaster, and Caenorhabditis elegans. Much of the current research in mammalian cells focuses on the homologs of the cell death genes identified through genetic analysis in C. elegans (see below). Although mutations in single cell de ...
... to be conserved in organisms as diverse as mammals, Drosophila melanogaster, and Caenorhabditis elegans. Much of the current research in mammalian cells focuses on the homologs of the cell death genes identified through genetic analysis in C. elegans (see below). Although mutations in single cell de ...