My Life with Dicty
... collect growing Dictyostelium amoebae and initiate synchronous development. For the next 24 hours my attention was totally focused on the developing cells as they aggregated, formed slugs, and culminated into fruiting bodies. I was enamored but did not realize for several years that it would be a li ...
... collect growing Dictyostelium amoebae and initiate synchronous development. For the next 24 hours my attention was totally focused on the developing cells as they aggregated, formed slugs, and culminated into fruiting bodies. I was enamored but did not realize for several years that it would be a li ...
Separation of Sister Chromatids in Mitosis
... The regulation of sister cohesion is of crucial importance for faithful chromosome distribution in mitosis (for reviews see Miyazaki and Orr-Weaver, 1994; Holm, 1994; Holloway, 1995). During prometaphase, sister chromatids have to establish connections to opposite spindle poles. Cohesion keeps the s ...
... The regulation of sister cohesion is of crucial importance for faithful chromosome distribution in mitosis (for reviews see Miyazaki and Orr-Weaver, 1994; Holm, 1994; Holloway, 1995). During prometaphase, sister chromatids have to establish connections to opposite spindle poles. Cohesion keeps the s ...
1 Laccases direct lignification in the discrete secondary cell wall
... including irregular xylem and a marked reduction in lignin deposition (Pro35S:miRNA C4H lines, Supplemental Fig. 1; Pro35S:miRNA CCR lines, Smith et al., 2013). Constitutive expression of the C4H or CCR1 microRNA during VND7induced TE formation did not inhibit secondary cell wall formation (Fig. 1D, ...
... including irregular xylem and a marked reduction in lignin deposition (Pro35S:miRNA C4H lines, Supplemental Fig. 1; Pro35S:miRNA CCR lines, Smith et al., 2013). Constitutive expression of the C4H or CCR1 microRNA during VND7induced TE formation did not inhibit secondary cell wall formation (Fig. 1D, ...
LEB 3(3) 153-187 – From Darwin`s On the Origin of Species by Means
... most of them in an automated way. The compartments incessantly change in the short run (= development) and the long(er) run (= evolution) through geneticand/or non-genetic mechanisms. They have two memory systems, a well documented genetic memory and an as yet poorly understood cognitive memory. The ...
... most of them in an automated way. The compartments incessantly change in the short run (= development) and the long(er) run (= evolution) through geneticand/or non-genetic mechanisms. They have two memory systems, a well documented genetic memory and an as yet poorly understood cognitive memory. The ...
Oxidized LDL-Containing Immune Complexes Induce Fc Gamma
... Abstract—Our previous studies have shown that Fc gamma receptor (FcgR)-mediated uptake of LDL-containing immune complexes (oxLDL-ICs) by human monocyte-derived macrophages leads to not only transformation of macrophages into foam cells but also macrophage activation and release of cytokines. It has ...
... Abstract—Our previous studies have shown that Fc gamma receptor (FcgR)-mediated uptake of LDL-containing immune complexes (oxLDL-ICs) by human monocyte-derived macrophages leads to not only transformation of macrophages into foam cells but also macrophage activation and release of cytokines. It has ...
Arabidopsis root K - Journal of Cell Science
... major osmoticum and regulator of enzymes, so decreasing the K+ activity will result in significant changes in metabolic reactions and physiological processes (Marschner, 1995). Moreover, retaining high cytosolic K+ concentration is crucial for plant salinity tolerance, although the mechanisms by whi ...
... major osmoticum and regulator of enzymes, so decreasing the K+ activity will result in significant changes in metabolic reactions and physiological processes (Marschner, 1995). Moreover, retaining high cytosolic K+ concentration is crucial for plant salinity tolerance, although the mechanisms by whi ...
Heat shock proteins: the search for functions.
... of various thiol oxidants and heavy metals on chicken embryo fibroblasts and noted the induction of proteins resembling the HSPs (40). A comparison of the HSP90 and kinaseassociated P90 by proteolytic digestion indicated the two were identical and this was confirmed when the P90 showed a positive re ...
... of various thiol oxidants and heavy metals on chicken embryo fibroblasts and noted the induction of proteins resembling the HSPs (40). A comparison of the HSP90 and kinaseassociated P90 by proteolytic digestion indicated the two were identical and this was confirmed when the P90 showed a positive re ...
Distinct cathepsins control necrotic cell death
... CA-074-Me and by cathepsin Cdeficiency,26,28 As LLOMe susceptibility is restricted to specific cell types,26,28 we tested whether the CA-074-Me block of necrotic cell death is also cell type-specific. Towards this, we challenged a range of murine myeloid cell types, such as monocytes, dendritic cell ...
... CA-074-Me and by cathepsin Cdeficiency,26,28 As LLOMe susceptibility is restricted to specific cell types,26,28 we tested whether the CA-074-Me block of necrotic cell death is also cell type-specific. Towards this, we challenged a range of murine myeloid cell types, such as monocytes, dendritic cell ...
Chromatin folding – from biology to polymer models - UvA-DARE
... chromatin fibre forms loops is already several decades old, but only about 10 years ago the notion grew that looping has a direct role in gene regulation (Bulger and Groudine, 1999). However, only recently it has become possible to directly measure chromatin– chromatin interactions (i.e. looping) by ...
... chromatin fibre forms loops is already several decades old, but only about 10 years ago the notion grew that looping has a direct role in gene regulation (Bulger and Groudine, 1999). However, only recently it has become possible to directly measure chromatin– chromatin interactions (i.e. looping) by ...
The COPI Complex Functions in Nuclear Envelope Breakdown and
... and the process of nuclear envelope breakdown, we next used nuclei assembled in the Xenopus egg extract. First, we examined the kinetic relationship between the appearance of -COP at the nuclear rim and nuclear envelope breakdown. Before cyclin is added, some -coatomer is seen by indirect immunofl ...
... and the process of nuclear envelope breakdown, we next used nuclei assembled in the Xenopus egg extract. First, we examined the kinetic relationship between the appearance of -COP at the nuclear rim and nuclear envelope breakdown. Before cyclin is added, some -coatomer is seen by indirect immunofl ...
Multiple Exocytotic Markers Accumulate at the Sites of Perifungal
... Golgi stacks are extremely motile organelles in the plant cell, where they display rapid movements along the F-actin/ER network (Nebenführ et al. 1999). For this reason, visualizing them in still images is not by itself very informative regarding their activity. We therefore acquired several time-l ...
... Golgi stacks are extremely motile organelles in the plant cell, where they display rapid movements along the F-actin/ER network (Nebenführ et al. 1999). For this reason, visualizing them in still images is not by itself very informative regarding their activity. We therefore acquired several time-l ...
![easy-spinTM [DNA free] Total RNA Extraction Kit](http://s1.studyres.com/store/data/022411047_1-c79ddf09c383916f41257db55a59cdba-300x300.png)
Regulation of Tcell receptor signaling by the actin cytoskeleton and
... allow TCRs to couple signal generation to the mechanical energy of the actin cytoskeleton. In the kinetic segregation mechanism of triggering, TCRs are continuously phosphorylated and dephosphorylated, and the transition to signalosome formation entails physical segregation of TCRs from inhibitory p ...
... allow TCRs to couple signal generation to the mechanical energy of the actin cytoskeleton. In the kinetic segregation mechanism of triggering, TCRs are continuously phosphorylated and dephosphorylated, and the transition to signalosome formation entails physical segregation of TCRs from inhibitory p ...
PrimeFlow™ RNA Assay Technology Validation Paper
... Coupling RNA expression with protein detection on a flow cytometer generates multiparametric data in heterogeneous cell populations and offers in-depth and high content details at the single-cell level. In contrast, microarrays and sequencing can provide comprehensive gene expression data in bulk sa ...
... Coupling RNA expression with protein detection on a flow cytometer generates multiparametric data in heterogeneous cell populations and offers in-depth and high content details at the single-cell level. In contrast, microarrays and sequencing can provide comprehensive gene expression data in bulk sa ...
The avian organizer
... introduction of bilateral symmetry. A key role is played by the Wnt/βcatenin pathway, which starts with a secreted Wnt-factor (or an equivalent signal), involves a downstream signal of the dishevelled gene, and culminates in the nuclear localization of the cell membrane protein β-catenin in the dors ...
... introduction of bilateral symmetry. A key role is played by the Wnt/βcatenin pathway, which starts with a secreted Wnt-factor (or an equivalent signal), involves a downstream signal of the dishevelled gene, and culminates in the nuclear localization of the cell membrane protein β-catenin in the dors ...
Characterization of Citrate Transport through the Plasma Membrane
... Cation efflux during citrate excretion By maintaining electronic neutrality across the plasma membrane, the loss of citrate anions from the cytoplasm would be balanced by an equivalent uptake of anions or a loss of cations. To determine this factor’s effect on citrate excretion from IPG cells, we an ...
... Cation efflux during citrate excretion By maintaining electronic neutrality across the plasma membrane, the loss of citrate anions from the cytoplasm would be balanced by an equivalent uptake of anions or a loss of cations. To determine this factor’s effect on citrate excretion from IPG cells, we an ...
The Prokaryotes
... Gram-negative bacteria have only small amounts of peptidoglycan, but they have a thick, outer cell membrane made of lipopolysaccharide (a lipid-sugar complex). Gram-positive bacteria have a thick layer of peptidoglycan but lack the outer lipopolysaccharide membrane. Crystal violet, safranin, methyle ...
... Gram-negative bacteria have only small amounts of peptidoglycan, but they have a thick, outer cell membrane made of lipopolysaccharide (a lipid-sugar complex). Gram-positive bacteria have a thick layer of peptidoglycan but lack the outer lipopolysaccharide membrane. Crystal violet, safranin, methyle ...
REVIEW: METHODS OF MONITORING FOR PROCESS MICRO
... human disease or to cause significant harm to the environment. Industrial strains have been chosen, where possible, to avoid pathogenicity or toxicity. Process organisms are also adapted to specific process conditions which may render them poor competitors with naturally occurring organisms outside ...
... human disease or to cause significant harm to the environment. Industrial strains have been chosen, where possible, to avoid pathogenicity or toxicity. Process organisms are also adapted to specific process conditions which may render them poor competitors with naturally occurring organisms outside ...
Self-avoidance and Tiling: Mechanisms of Dendrite and Axon Spacing
... extensive overlap and make only minor adjustments in field size when present in excess numbers, repulsive signaling is probably not critical for their normal spacing (Keeley and Reese 2009). Dscam may therefore ensure selfavoidance by counterbalancing the action of other adhesion systems that would ...
... extensive overlap and make only minor adjustments in field size when present in excess numbers, repulsive signaling is probably not critical for their normal spacing (Keeley and Reese 2009). Dscam may therefore ensure selfavoidance by counterbalancing the action of other adhesion systems that would ...
The acquisition of myelin: An evolutionary perspective
... the absence of living species, we turn towards fossils. It occurred to us that fossil fishes might harbor some clues as to whether their nerves were myelinated or not. It has been suggested that the dual, apparently unrelated acquisitions of myelin and the hinged jaw were actually coupled in evolut ...
... the absence of living species, we turn towards fossils. It occurred to us that fossil fishes might harbor some clues as to whether their nerves were myelinated or not. It has been suggested that the dual, apparently unrelated acquisitions of myelin and the hinged jaw were actually coupled in evolut ...
Study Guide Quiz #2
... against the cell wall. Nucleus is present towards side due to presence of a central vacuole (not clearly seen). Stain used is once again is Iodine Solution. Fig 2.13 page 25 12. Euglena: is a tiny single celled organism. We can see nucleus and chloroplasts that make it look green. Some Euglena organ ...
... against the cell wall. Nucleus is present towards side due to presence of a central vacuole (not clearly seen). Stain used is once again is Iodine Solution. Fig 2.13 page 25 12. Euglena: is a tiny single celled organism. We can see nucleus and chloroplasts that make it look green. Some Euglena organ ...
TMBP200, a Microtubule Bundling Polypeptide Isolated from
... al. 1993, Nishihama and Machida 2001). Despite the critical importance of the well-ordered phragmoplast microtubule array during cell plate formation, mechanisms underlying its construction are not yet fully understood. The site of polymerization of phragmoplast microtubules is thought to be the equ ...
... al. 1993, Nishihama and Machida 2001). Despite the critical importance of the well-ordered phragmoplast microtubule array during cell plate formation, mechanisms underlying its construction are not yet fully understood. The site of polymerization of phragmoplast microtubules is thought to be the equ ...
Full-Text PDF
... in the shoot and root meristems and in size in the elongation zones. Two main cellular mechanisms can then be distinguished: proliferation, which consists of an increase in cell number inside an organ through doubling the cellular content coupled with mitosis leading to daughter cells; and post-mito ...
... in the shoot and root meristems and in size in the elongation zones. Two main cellular mechanisms can then be distinguished: proliferation, which consists of an increase in cell number inside an organ through doubling the cellular content coupled with mitosis leading to daughter cells; and post-mito ...
Column Flotation
... Our team puts their unsurpassed knowledge of flotation circuit design to work for you. We combine new and conventional technologies to assure you the best results at the lowest possible capital and operating costs. You get a custom design incorporating column flotation cells of the proper size, numb ...
... Our team puts their unsurpassed knowledge of flotation circuit design to work for you. We combine new and conventional technologies to assure you the best results at the lowest possible capital and operating costs. You get a custom design incorporating column flotation cells of the proper size, numb ...
Polarity and endocytosis: reciprocal regulation
... help to distinguish between the first two models, but analyses of Rab11-depleted conditions are hampered by the general requirement of Rab11 for cell viability in Drosophila, and also complicated by its additional role in polarized biosynthetic delivery pathways [28,29]. The polarity phenotypes asso ...
... help to distinguish between the first two models, but analyses of Rab11-depleted conditions are hampered by the general requirement of Rab11 for cell viability in Drosophila, and also complicated by its additional role in polarized biosynthetic delivery pathways [28,29]. The polarity phenotypes asso ...