Individual-based modelling of growth and migration of Salmonella
... compartments: shell, albumen and yolk. For the simulations presented in this paper, the shell was considered to be an impermeable barrier for bacterial movement; hence, no bacteria can escape the egg. All simulations start from the premise of an initial contamination within the albumen. This contami ...
... compartments: shell, albumen and yolk. For the simulations presented in this paper, the shell was considered to be an impermeable barrier for bacterial movement; hence, no bacteria can escape the egg. All simulations start from the premise of an initial contamination within the albumen. This contami ...
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... stm mutants resembles an earlier stage in normal development suggests strongly that the stm-1 mutation causes a block in SAM development at or just after the torpedo stage of embryogenesis. To test this hypothesis, self-progeny embryos from parents of genotype stm-1/+ were analyzed. (1/4 of these em ...
... stm mutants resembles an earlier stage in normal development suggests strongly that the stm-1 mutation causes a block in SAM development at or just after the torpedo stage of embryogenesis. To test this hypothesis, self-progeny embryos from parents of genotype stm-1/+ were analyzed. (1/4 of these em ...
Identification of genes controlling germ cell migration and embryonic
... Cuticle preparations were made of all potential mutant lines in a manner similar to that described by Nüsslein-Volhard et al. (1984), with the following modifications: Embryos were collected on apple juice-agar plates for 12 hours and allowed to age for 24 hours at 25°C. Unhatched eggs were collecte ...
... Cuticle preparations were made of all potential mutant lines in a manner similar to that described by Nüsslein-Volhard et al. (1984), with the following modifications: Embryos were collected on apple juice-agar plates for 12 hours and allowed to age for 24 hours at 25°C. Unhatched eggs were collecte ...
From the regulation of peptidoglycan synthesis to bacterial growth
... of daughter cells during cell division or after it is completed (see below). However, possibly owing to high redundancy, no single hydrolase gene knockout prevents growth of E. coli, and multiple hydrolase genes have to be deleted for chains of non-separated cells to form. Amidases have a prominent ...
... of daughter cells during cell division or after it is completed (see below). However, possibly owing to high redundancy, no single hydrolase gene knockout prevents growth of E. coli, and multiple hydrolase genes have to be deleted for chains of non-separated cells to form. Amidases have a prominent ...
SOMBRERO, BEARSKIN1, and BEARSKIN2 Regulate Root Cap
... SND1 proteins form another small subgroup and together with the SMB/BRN1/BRN2 subgroup make up one branch of the Class IIB family. The other branch contains the seven VND proteins, which are also separated into two distinct subgroups. SMB Controls LRC Maturation In light of its relationship to NAC-d ...
... SND1 proteins form another small subgroup and together with the SMB/BRN1/BRN2 subgroup make up one branch of the Class IIB family. The other branch contains the seven VND proteins, which are also separated into two distinct subgroups. SMB Controls LRC Maturation In light of its relationship to NAC-d ...
A Role in Migration for the v 1 Integrin Expressed on
... (Paterson et al., 1973) and migrates during development to produce the widespread distribution of differentiated oligodendrocytes seen in the mature animal. Direct evidence for this migration has come from two sets of in vivo studies. First, cells labeled with a lac-Z reporter gene while in the subv ...
... (Paterson et al., 1973) and migrates during development to produce the widespread distribution of differentiated oligodendrocytes seen in the mature animal. Direct evidence for this migration has come from two sets of in vivo studies. First, cells labeled with a lac-Z reporter gene while in the subv ...
In all vertebrate embryos examined so far, the first
... Copyright © 2007 American Society of Hematology ...
... Copyright © 2007 American Society of Hematology ...
Antisickling Activity and Membrane Stabilizing Effect of
... sickle cell anemia, and to verify the effectiveness thereof [3,4,13,16-19]. For many plants already investigated, anthocyanins extracts have been found to be highly active, suggesting that anthocyanins are among main active metabolites [20-32]. In the present study, as a continuity of our investigat ...
... sickle cell anemia, and to verify the effectiveness thereof [3,4,13,16-19]. For many plants already investigated, anthocyanins extracts have been found to be highly active, suggesting that anthocyanins are among main active metabolites [20-32]. In the present study, as a continuity of our investigat ...
Nervous Tissue - Essex County College Faculty Web Server
... • Tortora are always sensory neurons & Grabowski 9/e 2000 JWS ...
... • Tortora are always sensory neurons & Grabowski 9/e 2000 JWS ...
The complex life of simple sphingolipids
... phytosphingosine) to which a fatty acid is attached by an amide bond to carbon 2 (Fig 1). The simplest sphingolipid, ceramide (Merrill, 2002), functions both as a key player in cell signalling and as the precursor of more complex sphingolipids. In contrast to complex sphingolipids, which contain a h ...
... phytosphingosine) to which a fatty acid is attached by an amide bond to carbon 2 (Fig 1). The simplest sphingolipid, ceramide (Merrill, 2002), functions both as a key player in cell signalling and as the precursor of more complex sphingolipids. In contrast to complex sphingolipids, which contain a h ...
Tomato: a model species for fruit growth and development studies
... and GA treatment, suggesting that ABA induces and maintains the dormant state of ovaries, repressing the transition to the fruit by acting as an antagonist of GA or auxin. The formation of small fruits by ABA-deficient mutants which show a significant increase in ethylene production during fruit dev ...
... and GA treatment, suggesting that ABA induces and maintains the dormant state of ovaries, repressing the transition to the fruit by acting as an antagonist of GA or auxin. The formation of small fruits by ABA-deficient mutants which show a significant increase in ethylene production during fruit dev ...
Nucleolus: the fascinating nuclear body
... other nuclear bodies. After mitosis, nucleolar assembly is a time and space regulated process controlled by the cell cycle. In addition, by generating a large volume in the nucleus with apparently no RNA polymerase II activity, the nucleolus creates a domain of retention/sequestration of molecules n ...
... other nuclear bodies. After mitosis, nucleolar assembly is a time and space regulated process controlled by the cell cycle. In addition, by generating a large volume in the nucleus with apparently no RNA polymerase II activity, the nucleolus creates a domain of retention/sequestration of molecules n ...
dependent endoderm cell fate specification - EvoDevo
... The origin of metazoans from a choanoflagellate-like protist and the vast diversification of this clade is a remarkable evolutionary chronology in the history of life on Earth. From relatively simple origins, metazoans have radiated to produce organisms with levels of physiological and morphological ...
... The origin of metazoans from a choanoflagellate-like protist and the vast diversification of this clade is a remarkable evolutionary chronology in the history of life on Earth. From relatively simple origins, metazoans have radiated to produce organisms with levels of physiological and morphological ...
distribution of microtubules in the golgi apparatus of euglena gracilis
... (1 %) for 2 h. The cells were then rinsed in several changes of distilled water and post-stained in 05 % uranyl acetate for about 18 h. All steps were carried out in the cold (about 1—2 °C), except for the first 15 min of the aldehyde fixation, which was at room temperature. The cells were dehydrate ...
... (1 %) for 2 h. The cells were then rinsed in several changes of distilled water and post-stained in 05 % uranyl acetate for about 18 h. All steps were carried out in the cold (about 1—2 °C), except for the first 15 min of the aldehyde fixation, which was at room temperature. The cells were dehydrate ...
7th Grade Science - Pflugerville ISD
... The Cell in Action Moving Things In and Out of the Cell • Most things, like water and oxygen, can diffuse directly through the lipid (fat) cell membrane because they are so small. • Some things are too large (sugars) to squeeze through the cell membrane. • The things that are too big to go through ...
... The Cell in Action Moving Things In and Out of the Cell • Most things, like water and oxygen, can diffuse directly through the lipid (fat) cell membrane because they are so small. • Some things are too large (sugars) to squeeze through the cell membrane. • The things that are too big to go through ...
Perturbation of Polyamine Catabolism Can Strongly Affect Root
... et al., 2010). In tobacco (Nicotiana tabacum), H2O2 derived from apoplastic PA catabolism is a key molecule in PCD signaling during the cryptogein-induced hypersensitive response (HR; Yoda et al., 2006) as well as in the induction of HR marker genes by mitochondrial dysfunction and activation of mit ...
... et al., 2010). In tobacco (Nicotiana tabacum), H2O2 derived from apoplastic PA catabolism is a key molecule in PCD signaling during the cryptogein-induced hypersensitive response (HR; Yoda et al., 2006) as well as in the induction of HR marker genes by mitochondrial dysfunction and activation of mit ...
Balancing mitochondrial biogenesis and
... metabolism, in response to cellular metabolic state, stress and other intracellular or environmental signals. It is not surprising, therefore, that disequilibrium or imbalance between mitochondrial proliferation and degradation processes underlies the onset and progressive unfolding of several patho ...
... metabolism, in response to cellular metabolic state, stress and other intracellular or environmental signals. It is not surprising, therefore, that disequilibrium or imbalance between mitochondrial proliferation and degradation processes underlies the onset and progressive unfolding of several patho ...
Protection of Drosophila chromosome ends through minimal
... protein. In these rescued animals, GFP–HipHop protein was detected as discrete foci in the nuclei of germline stem cells (GSCs) and their progeny, spermatogonial cells (see Fig. 1A for a schematic description of Drosophila spermatogenesis; Fig. 1B,B′,D). Then, the intensity of GFP–HipHop foci decrea ...
... protein. In these rescued animals, GFP–HipHop protein was detected as discrete foci in the nuclei of germline stem cells (GSCs) and their progeny, spermatogonial cells (see Fig. 1A for a schematic description of Drosophila spermatogenesis; Fig. 1B,B′,D). Then, the intensity of GFP–HipHop foci decrea ...
Stable benefit of embryonic stem cell therapy in - AJP
... 287: H471–H479, 2004; 10.1152/ajpheart.01247.2003.—Conventional therapies for myocardial infarction attenuate disease progression without contributing significantly to repair. Because of the capacity for de novo cardiogenesis, embryonic stem cells are considered a potential source for myocardial reg ...
... 287: H471–H479, 2004; 10.1152/ajpheart.01247.2003.—Conventional therapies for myocardial infarction attenuate disease progression without contributing significantly to repair. Because of the capacity for de novo cardiogenesis, embryonic stem cells are considered a potential source for myocardial reg ...
Denitrification of water in a microbial fuel cell (MFC) using seawater
... The sea contains various microbes which have an ability to reduce and oxidize substances like iron, sulphur, and nitrate. Most of these processes happen in the seawater, but can also be applied for purification of wastewater. In the present work, a consortium of seawater bacteria has been used for t ...
... The sea contains various microbes which have an ability to reduce and oxidize substances like iron, sulphur, and nitrate. Most of these processes happen in the seawater, but can also be applied for purification of wastewater. In the present work, a consortium of seawater bacteria has been used for t ...
Bacterial Growth and Cell Division: a Mycobacterial Perspective
... factor), sulfolipids specific to M. tuberculosis, and the phosphatidylinositol mannosides. In slow-growing, pathogenic mycobacteria, such as M. tuberculosis and M. leprae, the LAMs are capped at the terminal -Ara residue with mannose residues and are referred to as ManLAMs (68, 69, 301, 324), where ...
... factor), sulfolipids specific to M. tuberculosis, and the phosphatidylinositol mannosides. In slow-growing, pathogenic mycobacteria, such as M. tuberculosis and M. leprae, the LAMs are capped at the terminal -Ara residue with mannose residues and are referred to as ManLAMs (68, 69, 301, 324), where ...
Nestin Is Required for the Proper SelfRenewal of Neural Stem Cells
... We used homologous recombination to generate mice lacking exon 1 of Nes, the gene encoding nestin (Fig. 1A, 1B). In homozygous embryos, the absence of normal Nes mRNA was demonstrated by Northern blot using a probe against exon 4 (Fig. 1C) and RT-PCR analysis (data not shown). The absence of nestin ...
... We used homologous recombination to generate mice lacking exon 1 of Nes, the gene encoding nestin (Fig. 1A, 1B). In homozygous embryos, the absence of normal Nes mRNA was demonstrated by Northern blot using a probe against exon 4 (Fig. 1C) and RT-PCR analysis (data not shown). The absence of nestin ...
Intracellular Signals Direct Integrin Localization to Sites of Function
... to extracellular ligands, they become clustered, which by itself induces increased tyrosine phosphorylation of intracellular proteins (Miyamoto et al., 1995). If this phosphorylation is required for the formation of focal adhesions, then the clustering is another key step initiated by the extracellu ...
... to extracellular ligands, they become clustered, which by itself induces increased tyrosine phosphorylation of intracellular proteins (Miyamoto et al., 1995). If this phosphorylation is required for the formation of focal adhesions, then the clustering is another key step initiated by the extracellu ...
Comparison of Properties of Medial Entorhinal Cortex
... studies have suggested that cellular properties such as spike frequency adaptation and persistent firing might underlie the grid cell firing. Recent in vivo studies also suggest that cholinergic activation influences grid cell firing. Here we investigated the anatomical distribution of firing freque ...
... studies have suggested that cellular properties such as spike frequency adaptation and persistent firing might underlie the grid cell firing. Recent in vivo studies also suggest that cholinergic activation influences grid cell firing. Here we investigated the anatomical distribution of firing freque ...
SOMBRERO, BEARSKIN1, and BEARSKIN2 Regulate Root Cap
... SND1 proteins form another small subgroup and together with the SMB/BRN1/BRN2 subgroup make up one branch of the Class IIB family. The other branch contains the seven VND proteins, which are also separated into two distinct subgroups. SMB Controls LRC Maturation In light of its relationship to NAC-d ...
... SND1 proteins form another small subgroup and together with the SMB/BRN1/BRN2 subgroup make up one branch of the Class IIB family. The other branch contains the seven VND proteins, which are also separated into two distinct subgroups. SMB Controls LRC Maturation In light of its relationship to NAC-d ...