- Wiley Online Library
... with B. anammoxidans revealed a good correlation between the metabolic activity and the ISR concentrations, demonstrating the ISR targeting FISH to be a powerful method for the detection of activity changes in slow-growing bacteria [31]. 2.3. Ecophysiology The ultrastructure of B. anammoxidans has m ...
... with B. anammoxidans revealed a good correlation between the metabolic activity and the ISR concentrations, demonstrating the ISR targeting FISH to be a powerful method for the detection of activity changes in slow-growing bacteria [31]. 2.3. Ecophysiology The ultrastructure of B. anammoxidans has m ...
Cytolysin-dependent delay of vacuole maturation in
... bacterial escape (Prada-Delgado et al., 2005). In addition to its role in perforating membranes for Lm escape into cytosol, LLO could influence the dynamics of Lm vacuole maturation. This issue is difficult to address experimentally. The simplest approach of using fluorescence microscopy of fixed ce ...
... bacterial escape (Prada-Delgado et al., 2005). In addition to its role in perforating membranes for Lm escape into cytosol, LLO could influence the dynamics of Lm vacuole maturation. This issue is difficult to address experimentally. The simplest approach of using fluorescence microscopy of fixed ce ...
Masking the Pathogen: Evolutionary Strategies of Fungi and Their
... complementation restored capsule expression and virulence. These genes are specific to Cryptococcus and suggest unique fungal processes involved in capsular synthesis. For example, while bacterial capsular PSs are synthesized by plasma membrane glycosyltransferases and assembled extracellularly, the ...
... complementation restored capsule expression and virulence. These genes are specific to Cryptococcus and suggest unique fungal processes involved in capsular synthesis. For example, while bacterial capsular PSs are synthesized by plasma membrane glycosyltransferases and assembled extracellularly, the ...
SYNTHETIC PEPTIDES AS ANTIGENS AND COMPETITORS IN
... enzymatic or chemical cleavage of the protein or by chemical synthesis (3-10) . Recently, Townsend et al. (11) demonstrated that class I-restricted CTL specific for influenza virus nucleoprotein (NP)' could lyse uninfected target cells in the presence of synthetic NP peptides. These results suggest ...
... enzymatic or chemical cleavage of the protein or by chemical synthesis (3-10) . Recently, Townsend et al. (11) demonstrated that class I-restricted CTL specific for influenza virus nucleoprotein (NP)' could lyse uninfected target cells in the presence of synthetic NP peptides. These results suggest ...
Plasma membrane HATPase regulation is required for auxin
... pH around cells on the shaded and/or lit side of the cross section. As we will discuss later on, a potential mechanism to create such a pH modulation is a light-triggered and phototropin-mediated modulation of H+-ATPase activity (see below). Lastly, we took into account topological parameters like d ...
... pH around cells on the shaded and/or lit side of the cross section. As we will discuss later on, a potential mechanism to create such a pH modulation is a light-triggered and phototropin-mediated modulation of H+-ATPase activity (see below). Lastly, we took into account topological parameters like d ...
manipulation of respiratory burst of neutrophils using c1
... Other PMNs Functions ..................................................................................... 91 ...
... Other PMNs Functions ..................................................................................... 91 ...
Utilization of iron/organic ligand complexes by marine
... prepared using 0.2 µm filtered seawater collected from the low-Fe, oligotrophic waters of the Sargasso Sea, using trace-metal clean techniques (Hutchins et al. 1998). This water was brought back to the lab and stored in the dark under refrigeration until needed for experiments. It was passed through ...
... prepared using 0.2 µm filtered seawater collected from the low-Fe, oligotrophic waters of the Sargasso Sea, using trace-metal clean techniques (Hutchins et al. 1998). This water was brought back to the lab and stored in the dark under refrigeration until needed for experiments. It was passed through ...
Anti-bacteria and In Vivo Tumor Treatment by Reactive Oxygen
... 5.5, 6.8 and 7.4), the cell viability was investigated after 2 h incubation. At different pH values, however, the anticancer cell activity was dependent on the concentration of MNPs when the concentration of H2O2 was 13.5 g/mL. In these experiments, MNPs (8 and 20 g/mL) was added into the medium c ...
... 5.5, 6.8 and 7.4), the cell viability was investigated after 2 h incubation. At different pH values, however, the anticancer cell activity was dependent on the concentration of MNPs when the concentration of H2O2 was 13.5 g/mL. In these experiments, MNPs (8 and 20 g/mL) was added into the medium c ...
BAFF, APRIL and their receptors: Structure, function - Serval
... are therefore classified as Type III membrane proteins. Exon 1 encodes the ligand-binding domain (also called cysteine-rich domain or CRD), exon 2 the transmembrane domain and flanking regions, and exon 3 the intracellular domain (Fig. 1B). The intracellular domains of both BAFF-R and BCMA are stron ...
... are therefore classified as Type III membrane proteins. Exon 1 encodes the ligand-binding domain (also called cysteine-rich domain or CRD), exon 2 the transmembrane domain and flanking regions, and exon 3 the intracellular domain (Fig. 1B). The intracellular domains of both BAFF-R and BCMA are stron ...
Combating MultidrugResistant Bacteria: Current
... least 30 000 years old, but, in all likelihood, they are considerably older still. Bacteria are thought to have originated over 3.8 billion years ago and, based on the genetic divergence of antibacterial gene clusters, antibacterial-producing bacteria at least hundreds of millions of years ago.[17] ...
... least 30 000 years old, but, in all likelihood, they are considerably older still. Bacteria are thought to have originated over 3.8 billion years ago and, based on the genetic divergence of antibacterial gene clusters, antibacterial-producing bacteria at least hundreds of millions of years ago.[17] ...
Chapter 1: Overview - Worcester Polytechnic Institute
... admirable, and I thank you for that. I wish there were words to express my gratitude for supporting and guiding me throughout these past four years. I only hope that I have reached all your expectations and if not, you have me for the next ten years. These past few years you became more than an advi ...
... admirable, and I thank you for that. I wish there were words to express my gratitude for supporting and guiding me throughout these past four years. I only hope that I have reached all your expectations and if not, you have me for the next ten years. These past few years you became more than an advi ...
Protection by chlorpromazine, albumin and bivalent cations against
... cations came from the experiments presented in Figure 4. Here we see that the rate of haemolysis depends on the time between addition of the cells and the peptides into the cuvette. In other words, after dilution and equilibration in the cuvette, RBC became several times more sensitive to lytic acti ...
... cations came from the experiments presented in Figure 4. Here we see that the rate of haemolysis depends on the time between addition of the cells and the peptides into the cuvette. In other words, after dilution and equilibration in the cuvette, RBC became several times more sensitive to lytic acti ...
Academic paper: The free-living amoeba Willaertia magna, is
... Hartmannella and Acanthamoeba amoebas effectively remained when compared to controls, while Willaertia still formed a dense monolayer of cells similar to control. Following infection, Hartmannella and Acanthamoeba trophozoites became progressively rounded, shrivelled, and lost their adherence abilit ...
... Hartmannella and Acanthamoeba amoebas effectively remained when compared to controls, while Willaertia still formed a dense monolayer of cells similar to control. Following infection, Hartmannella and Acanthamoeba trophozoites became progressively rounded, shrivelled, and lost their adherence abilit ...
Understanding complex host-microbe interactions in hydra
... affect bacterial life, promising candidate molecules are AMPs. To investigate whether the ectotopic expression of an AMP may affect the number and composition of the colonizing microbiota at the ectodermal epithelial surface, we generated transgenic Hydra expressing periculin1a in ectoderm epithelia ...
... affect bacterial life, promising candidate molecules are AMPs. To investigate whether the ectotopic expression of an AMP may affect the number and composition of the colonizing microbiota at the ectodermal epithelial surface, we generated transgenic Hydra expressing periculin1a in ectoderm epithelia ...
The ultrastructure of a doliolid and a copepod
... The goal of this study was to determine the morphology and ultrastructure of doliolid pellets using light, epifluorescence and transmission electron microscopy and compare the results to observations of calanoid copepod pellets. For (ultra)structural analyses, pellets of gonozooids of Dolioletta geg ...
... The goal of this study was to determine the morphology and ultrastructure of doliolid pellets using light, epifluorescence and transmission electron microscopy and compare the results to observations of calanoid copepod pellets. For (ultra)structural analyses, pellets of gonozooids of Dolioletta geg ...
IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) ISSN: 2278-3008.
... The cultured sample of E.coli was provided, which was identified and confirmed by immuno dot blot assay in the raw meat samples. For the preparation of TSB Agar media, 3.0g of TSB, 0.3g of yeast and 1.5g of Agar powder were dissolved in 100ml of distilled water in a conical flask and mixed it well w ...
... The cultured sample of E.coli was provided, which was identified and confirmed by immuno dot blot assay in the raw meat samples. For the preparation of TSB Agar media, 3.0g of TSB, 0.3g of yeast and 1.5g of Agar powder were dissolved in 100ml of distilled water in a conical flask and mixed it well w ...
Bacteriochlorophyll-Synthesizing Budding Bacterium
... Classical anoxygenic photosynthetic bacteria typically exhibit repression of bacteriochlorophyll synthesis under aerobic conditions. Strains of several bacterial genera have however been shown to synthesize bacteriochlorophyll under aerobic conditions. Such bacteria include Erythrobacter longus (12, ...
... Classical anoxygenic photosynthetic bacteria typically exhibit repression of bacteriochlorophyll synthesis under aerobic conditions. Strains of several bacterial genera have however been shown to synthesize bacteriochlorophyll under aerobic conditions. Such bacteria include Erythrobacter longus (12, ...
Quantification of Type VI secretion system activity in macrophages
... microscopy at 4 h post-infection. T6SS activity was recorded as the ability of the bacteria ...
... microscopy at 4 h post-infection. T6SS activity was recorded as the ability of the bacteria ...
Bactericidal, Bacteriolytic, and Antibacterial Virulence Activities of
... cell wall of S. mutans [11]. This present study revealed that treatment of S. pyogenes cells with B. pandurata extract resulted in cell lysis. A possible mechanism of action may be associated with cell wall and membrane damage. Proteases have long been considered as virulence factors for organisms a ...
... cell wall of S. mutans [11]. This present study revealed that treatment of S. pyogenes cells with B. pandurata extract resulted in cell lysis. A possible mechanism of action may be associated with cell wall and membrane damage. Proteases have long been considered as virulence factors for organisms a ...
Host cell-derived lactate functions as an effector molecule in
... The development of meningococcal disease, caused by the human pathogen Neisseria meningitidis, is preceded by the colonization of the epithelial layer in the nasopharynx. After initial adhesion to host cells meningococci form aggregates, through pilus-pilus interactions, termed microcolonies from wh ...
... The development of meningococcal disease, caused by the human pathogen Neisseria meningitidis, is preceded by the colonization of the epithelial layer in the nasopharynx. After initial adhesion to host cells meningococci form aggregates, through pilus-pilus interactions, termed microcolonies from wh ...
Regulatory Mechanisms of Monofunctional and
... treated samples to those of controls. The standard error for each ratio was divided by the appropriate control value. The means ±SE for the control groups are given in Tables 1 and 3 and in the appropriate figure legends. All results shown were obtained from at least duplicate meas urements of four ...
... treated samples to those of controls. The standard error for each ratio was divided by the appropriate control value. The means ±SE for the control groups are given in Tables 1 and 3 and in the appropriate figure legends. All results shown were obtained from at least duplicate meas urements of four ...
The Role of Lysosomes in Molluscan Inflammation1
... these features of vertebrate, especially site, followed in some instances by formamammalian, inflammation are not all tion of an abcess. Continuing acute inflammation may applicable to invertebrates. Nevertheless, nonspecific cellular response does occur in become chronic. Chronic inflammatory these ...
... these features of vertebrate, especially site, followed in some instances by formamammalian, inflammation are not all tion of an abcess. Continuing acute inflammation may applicable to invertebrates. Nevertheless, nonspecific cellular response does occur in become chronic. Chronic inflammatory these ...
Full Text - Harvard University
... archaeal or eukaryotic lipid derivatives22 but do not further constrain phylogeny or physiology. Carbon isotope analyses on individual Huroniospora and G. minuta are consistent with oxygenic photosynthesis by cyanobacteria23,24, but also with heterotrophy, anoxygenic photosynthesis or chemoautotroph ...
... archaeal or eukaryotic lipid derivatives22 but do not further constrain phylogeny or physiology. Carbon isotope analyses on individual Huroniospora and G. minuta are consistent with oxygenic photosynthesis by cyanobacteria23,24, but also with heterotrophy, anoxygenic photosynthesis or chemoautotroph ...
CXCR4 and CXCR7 Have Distinct Functions in Regulating
... Interneuron Migration Ectopic CXCL12 expression in the lateral prenatal neocortex causes interneuron accumulation in vivo, which is presumably mediated by the CXCR4 receptor (Li et al., 2008). However, it ...
... Interneuron Migration Ectopic CXCL12 expression in the lateral prenatal neocortex causes interneuron accumulation in vivo, which is presumably mediated by the CXCR4 receptor (Li et al., 2008). However, it ...
TGF-beta SIGNAL TRANSDUCTION - University of Colorado-MCDB
... of structurally related polypeptide growth factors, each capable of regulating a fascinating array of cellular processes including cell proliferation, lineage determination, differentiation, motility, adhesion, and death. Expressed in complex temporal and tissue-specific patterns, TGF-β and related ...
... of structurally related polypeptide growth factors, each capable of regulating a fascinating array of cellular processes including cell proliferation, lineage determination, differentiation, motility, adhesion, and death. Expressed in complex temporal and tissue-specific patterns, TGF-β and related ...
Chemotaxis
Chemotaxis (from chemo- + taxis) is the movement of an organism in response to a chemical stimulus. Somatic cells, bacteria, and other single-cell or multicellular organisms direct their movements according to certain chemicals in their environment. This is important for bacteria to find food (e.g., glucose) by swimming toward the highest concentration of food molecules, or to flee from poisons (e.g., phenol). In multicellular organisms, chemotaxis is critical to early development (e.g., movement of sperm towards the egg during fertilization) and subsequent phases of development (e.g., migration of neurons or lymphocytes) as well as in normal function. In addition, it has been recognized that mechanisms that allow chemotaxis in animals can be subverted during cancer metastasis.Positive chemotaxis occurs if the movement is toward a higher concentration of the chemical in question; negative chemotaxis if the movement is in the opposite direction. Chemically prompted kinesis (randomly directed or nondirectional) can be called chemokinesis.