Novel Regulators of Vascular Development in Arabidopsis
... Furthermore, the wol mutant exhibits a more severe xylem phenotype, in which phloem cells are completely lost and only protoxylem vessels are formed in the root stele (Mahonen et al., 2006; Scheres et al., 1995). As described previously, the cytokinin signal is transduced via phosphotransfer from A ...
... Furthermore, the wol mutant exhibits a more severe xylem phenotype, in which phloem cells are completely lost and only protoxylem vessels are formed in the root stele (Mahonen et al., 2006; Scheres et al., 1995). As described previously, the cytokinin signal is transduced via phosphotransfer from A ...
Functional ultrastructure of the plant nucleolus
... rDNA transcription regulators In eukaryotic cells, the ribosome biosynthesis is a complex process which may be controlled at many levels. Transcription initiation seems to be the key stage that determines success of the whole process, hence it is the best characterized step in RNA polymerase I trans ...
... rDNA transcription regulators In eukaryotic cells, the ribosome biosynthesis is a complex process which may be controlled at many levels. Transcription initiation seems to be the key stage that determines success of the whole process, hence it is the best characterized step in RNA polymerase I trans ...
The Glial Cell–Derived Neurotrophic Factor Signaling Pathway
... sure et al., 1999; Rosenblad et al., 2000). The three-dimensional structure of GDNF has been determined at high resolution (Eigenbrot and Gerber, 1997). This structural information has made it possible to identify the surface residues in GDNF that are responsible for mediating interactions with GFR ...
... sure et al., 1999; Rosenblad et al., 2000). The three-dimensional structure of GDNF has been determined at high resolution (Eigenbrot and Gerber, 1997). This structural information has made it possible to identify the surface residues in GDNF that are responsible for mediating interactions with GFR ...
- Wiley Online Library
... tagged FYVE exhibit many endosomes that vary in their size, shape and intensity of localized FYVE. The effect of EIX on endosomal dynamics is perhaps not surprising, as we observed that the percentage of FYVE-positive endosomes that contain transiently expressed LeEix2 increased from an average of 2 ...
... tagged FYVE exhibit many endosomes that vary in their size, shape and intensity of localized FYVE. The effect of EIX on endosomal dynamics is perhaps not surprising, as we observed that the percentage of FYVE-positive endosomes that contain transiently expressed LeEix2 increased from an average of 2 ...
A New Laboratory Cultivation of Paramecium bursaria Using Non
... light (1.02 W/m2) and three were incubated in the dark. The watch glasses were placed in Petri dishes, lined with wet filter papers in order to minimize the evaporation of water. The experimental cultures prepared in this way were incubated for 21 d. Cultures containing bacteria strains isolated from ...
... light (1.02 W/m2) and three were incubated in the dark. The watch glasses were placed in Petri dishes, lined with wet filter papers in order to minimize the evaporation of water. The experimental cultures prepared in this way were incubated for 21 d. Cultures containing bacteria strains isolated from ...
Molecular - College of Biological Sciences
... zebrafish (Poss et al., 2004). Mps1 is also required for mitotic arrest in response to hypoxia (Fischer et al., 2004), and it may also function in cytokinesis (Fisk et al., 2003). Centrosome duplication in vertebrate cells occurs around the G1-to-S transition, and initial studies on human Mps1 showe ...
... zebrafish (Poss et al., 2004). Mps1 is also required for mitotic arrest in response to hypoxia (Fischer et al., 2004), and it may also function in cytokinesis (Fisk et al., 2003). Centrosome duplication in vertebrate cells occurs around the G1-to-S transition, and initial studies on human Mps1 showe ...
Diarch Symmetry of the Vascular Bundle in
... the central cylinder or stele is the pericycle, which is traditionally regarded as one extra concentric layer. Indeed, all pericycle cells share common physical properties and form a unique layer of regularly shaped cells in contact with each other by their tangential cell walls (Dolan et al., 1993) ...
... the central cylinder or stele is the pericycle, which is traditionally regarded as one extra concentric layer. Indeed, all pericycle cells share common physical properties and form a unique layer of regularly shaped cells in contact with each other by their tangential cell walls (Dolan et al., 1993) ...
High Speed, Low Power 8T Full Adder Cell with 45
... The full adders form the basic building blocks of all digital VLSI circuits. The considerable improvement have undergone at very high pace. The main motto behind such blinding pace are being motivated by three basic design goals, viz. minimizing the transistor count and the power consumption and inc ...
... The full adders form the basic building blocks of all digital VLSI circuits. The considerable improvement have undergone at very high pace. The main motto behind such blinding pace are being motivated by three basic design goals, viz. minimizing the transistor count and the power consumption and inc ...
Dazl regulates mouse embryonic germ cell development
... utilized the enzymatic activity of alkaline phosphatase, which appears in a small number of embryonic cells by E7.25, to localize the primordial germ cells (PGCs) of the mouse (Chiquoine, 1954; Ginsburg et al., 1990). While alkaline phosphatase was and remains one of the most useful markers for iden ...
... utilized the enzymatic activity of alkaline phosphatase, which appears in a small number of embryonic cells by E7.25, to localize the primordial germ cells (PGCs) of the mouse (Chiquoine, 1954; Ginsburg et al., 1990). While alkaline phosphatase was and remains one of the most useful markers for iden ...
Fungi represent a group of heterotrophic living organisms which are
... individual spore. In more complex forms, special flaskshaped cells push out a large bud of material, which forms a septum and becomes conidium. Subsequently, more and more material is budded off from the basal cell and a chain of conidia is produced – forming a long and ...
... individual spore. In more complex forms, special flaskshaped cells push out a large bud of material, which forms a septum and becomes conidium. Subsequently, more and more material is budded off from the basal cell and a chain of conidia is produced – forming a long and ...
Nociceptor and Hair Cell Transducer Properties of TRPA1, a
... Mechanosensory channels of sensory cells mediate the sensations of hearing, touch, and some forms of pain. The TRPA1 (a member of the TRP family of ion channel proteins) channel is activated by pain-producing chemicals, and its inhibition impairs hair cell mechanotransduction. As shown here and prev ...
... Mechanosensory channels of sensory cells mediate the sensations of hearing, touch, and some forms of pain. The TRPA1 (a member of the TRP family of ion channel proteins) channel is activated by pain-producing chemicals, and its inhibition impairs hair cell mechanotransduction. As shown here and prev ...
Organelle Assembly in Yeast: Characterization of
... precursors. These proenzymes transit through the Golgi complex and are sorted to the vacuole, where they are processed to the mature active enzymes (16, 19, 32, 54). Sequence determinants have been defined within proCPY and proPrA that are necessary and sufficient to target these proteins to the vac ...
... precursors. These proenzymes transit through the Golgi complex and are sorted to the vacuole, where they are processed to the mature active enzymes (16, 19, 32, 54). Sequence determinants have been defined within proCPY and proPrA that are necessary and sufficient to target these proteins to the vac ...
Threshold Levels of Fluid Shear Promote Leukocyte
... kg) and atropine (Elkins-Sinn, Inc., Cherry Hill, NJ; 1 mg/kg). The trachea, carotid artery, and jugular vein of the mice were cannulated for injection of supplementary anesthetic, blood pressure monitoring, and blood sampling. During the experiment, the mice were thermo-controlled using a small ani ...
... kg) and atropine (Elkins-Sinn, Inc., Cherry Hill, NJ; 1 mg/kg). The trachea, carotid artery, and jugular vein of the mice were cannulated for injection of supplementary anesthetic, blood pressure monitoring, and blood sampling. During the experiment, the mice were thermo-controlled using a small ani ...
Cooperation between the RING+B1-B2 and coiled-coil
... overexpression (colony formation assay). For this purpose both transformed cell lines (C33a and HeLa cervix carcinoma; SAOS-2 and U20S osteosarcoma) and normal ®broblasts (NIH3T3 and primary mouse ®broblasts) were used. All cell lines were transfected with a PML expression vector (PML3-pCDNA3; see m ...
... overexpression (colony formation assay). For this purpose both transformed cell lines (C33a and HeLa cervix carcinoma; SAOS-2 and U20S osteosarcoma) and normal ®broblasts (NIH3T3 and primary mouse ®broblasts) were used. All cell lines were transfected with a PML expression vector (PML3-pCDNA3; see m ...
Ruditapes decussatus (Mollusca: Bivalvia)
... haemocytes. One of them involved diffusion of molecules through the phagosomal membrane into the cytoplasm after enzyme digestion. Glucose is then polymerized into glycogen in the cytoplasm. Indigestible material remains as residual bodies which are eventually discharged from the cell. The other mod ...
... haemocytes. One of them involved diffusion of molecules through the phagosomal membrane into the cytoplasm after enzyme digestion. Glucose is then polymerized into glycogen in the cytoplasm. Indigestible material remains as residual bodies which are eventually discharged from the cell. The other mod ...
Recent developments in the cell and molecular biology of root hairs
... relied on the isolation of mutants, particularly of Arabidopsis (see e.g. Schiefelbein and Somerville 1990, Schiefelbein et al. 1993, Baskin et al. 1992). For root hairs, Aeschbacher et al. (1994) deduced that genetic analysis of root hair development is facilitated by the fact the root hairs are di ...
... relied on the isolation of mutants, particularly of Arabidopsis (see e.g. Schiefelbein and Somerville 1990, Schiefelbein et al. 1993, Baskin et al. 1992). For root hairs, Aeschbacher et al. (1994) deduced that genetic analysis of root hair development is facilitated by the fact the root hairs are di ...
Plant Wnt: deciphering a novel signalling pathway
... an oncogenic retrovirus known as mouse mammary tumour virus. Later, a homolog of int-1 was identified in Drosophila as Wingless gene (wg), both of which encoded for similar glycoproteins2 and hence the gene was named as ‘Wnt’ (Wg + int-1)3. Several Wnt genes have since been isolated from different m ...
... an oncogenic retrovirus known as mouse mammary tumour virus. Later, a homolog of int-1 was identified in Drosophila as Wingless gene (wg), both of which encoded for similar glycoproteins2 and hence the gene was named as ‘Wnt’ (Wg + int-1)3. Several Wnt genes have since been isolated from different m ...
as a PDF
... reliable coordination of these cell behaviors suggests that several mechanisms must work in concert to control this process. ...
... reliable coordination of these cell behaviors suggests that several mechanisms must work in concert to control this process. ...
Intrinsic Regulation of Cambial Growth
... Intrinsic Regulation of Cambial Growth standing attitude that research unable to solve “real world” forestry problems in the short term falls within the realm of “toy research” (Horn 1880; Sprague and Sprague 1976). Some research areas relevant to secondary growth nevertheless have begun to flouris ...
... Intrinsic Regulation of Cambial Growth standing attitude that research unable to solve “real world” forestry problems in the short term falls within the realm of “toy research” (Horn 1880; Sprague and Sprague 1976). Some research areas relevant to secondary growth nevertheless have begun to flouris ...
PDF
... and Crowther, 1985). Although notochord intercalation appears broadly similar between ascidians and vertebrates, there are likely to be important differences between ascidian and vertebrate CE movements. For example, ascidian muscle and neural cells do not obviously play as active and independent a ...
... and Crowther, 1985). Although notochord intercalation appears broadly similar between ascidians and vertebrates, there are likely to be important differences between ascidian and vertebrate CE movements. For example, ascidian muscle and neural cells do not obviously play as active and independent a ...
Comparison of Polysaccharides Produced by
... to ensure maximum polysaccharide production, the bacteria were routinely grown on agar containing 2 % (w/v) casitone (Hansen & Andreoli, 1973) for 3 days before harvesting. The higher concentration of organic nitrogen in this variation of the medium apparently suppressed fruiting body formation. The ...
... to ensure maximum polysaccharide production, the bacteria were routinely grown on agar containing 2 % (w/v) casitone (Hansen & Andreoli, 1973) for 3 days before harvesting. The higher concentration of organic nitrogen in this variation of the medium apparently suppressed fruiting body formation. The ...
Analysis of Connexin43 phosphorylated at S325, S328 and S330 in
... indicate that this polyclonal antibody can bind to Cx43 phosphorylated at residues S325, S328 and S330, and also that Cx43 is phosphorylated at S328 and/or S330, and to a lesser extent at S325 in heart tissue. The role of phosphorylation at S325, S328 and S330 in gap junction assembly To be more qua ...
... indicate that this polyclonal antibody can bind to Cx43 phosphorylated at residues S325, S328 and S330, and also that Cx43 is phosphorylated at S328 and/or S330, and to a lesser extent at S325 in heart tissue. The role of phosphorylation at S325, S328 and S330 in gap junction assembly To be more qua ...
Spore Formation Bacillus subtilis during Compartmentalization of
... resistance to stresses such as heat and noxious chemicals compared to what is seen with vegetative cells. It was shown 25 years ago through a study of genetic mosaics that gene expression is compartmentalized during sporulation of B. subtilis, with different genes being expressed in the prespore and ...
... resistance to stresses such as heat and noxious chemicals compared to what is seen with vegetative cells. It was shown 25 years ago through a study of genetic mosaics that gene expression is compartmentalized during sporulation of B. subtilis, with different genes being expressed in the prespore and ...
Organ-Level Quorum Sensing Directs Regeneration in Hair Stem
... as the inter-follicular distance in mouse skin. In contrast, as we show in the next section, the decay length of the putative distressor induced by plucking appears to be substantially larger—on the order of 1 mm, or four to six inter-follicular distances. Estimating the Range of Action of the Quoru ...
... as the inter-follicular distance in mouse skin. In contrast, as we show in the next section, the decay length of the putative distressor induced by plucking appears to be substantially larger—on the order of 1 mm, or four to six inter-follicular distances. Estimating the Range of Action of the Quoru ...