Gibberellin-Induced α
... growth is not associated with an increase in XET activity. Thus the effect is specific for gibberellins. One possibility is that XET facilitates the penetration of expansins into the cell wall. According to this view, GA and auxins may work together to promote cell wall loosening: Auxin induces prot ...
... growth is not associated with an increase in XET activity. Thus the effect is specific for gibberellins. One possibility is that XET facilitates the penetration of expansins into the cell wall. According to this view, GA and auxins may work together to promote cell wall loosening: Auxin induces prot ...
Involvement of the Mismatch Repair System in Temozolomide
... linking the cytotoxic effects of DNA-modifying agents with the MRS. However, the molecular mechanisms implicated in this process are currently unknown. In this study, we show that TMZ induces apoptosis, cell cycle arrest at the G2/M phase, and p53 accumulation in MRS-proficient cells and that these ...
... linking the cytotoxic effects of DNA-modifying agents with the MRS. However, the molecular mechanisms implicated in this process are currently unknown. In this study, we show that TMZ induces apoptosis, cell cycle arrest at the G2/M phase, and p53 accumulation in MRS-proficient cells and that these ...
The Plant Journal
... phospholipid signalling. DGKs in animals comprise a diverse family, and although a variety of structural motifs have been described, a CaM-binding domain has not previously been observed. LeCBDGK and LeDGK1 are also unique among eukaryotic DGKs in that they lack a cysteine-rich region. These domains ...
... phospholipid signalling. DGKs in animals comprise a diverse family, and although a variety of structural motifs have been described, a CaM-binding domain has not previously been observed. LeCBDGK and LeDGK1 are also unique among eukaryotic DGKs in that they lack a cysteine-rich region. These domains ...
Inhibition of Cyclin-dependent Kinase Activity Triggers Neuronal
... neuroblastoma cells undergo neuronal differentiation. In the absence of DMSO these cells proliferate with a doubling time of N16 h and have a relatively small and rounded appearance (Fig. 1 A). When cultured in the presence of DMSO, cell proliferation ceases (Fig. 1 B), cells flatten, enlarge, and e ...
... neuroblastoma cells undergo neuronal differentiation. In the absence of DMSO these cells proliferate with a doubling time of N16 h and have a relatively small and rounded appearance (Fig. 1 A). When cultured in the presence of DMSO, cell proliferation ceases (Fig. 1 B), cells flatten, enlarge, and e ...
Unusual structure of rat conjunctival epithelium. Light and
... are polyhedral,22 while those of the human are usually squamous.15'19 Wanko,18 reporting on the fine structure of only this area, pronounced rat conjunctiva similar to human. In fact, the unvarying stratified squamous epithelium of rat conjunctiva is in striking contrast to the diversity of cell sha ...
... are polyhedral,22 while those of the human are usually squamous.15'19 Wanko,18 reporting on the fine structure of only this area, pronounced rat conjunctiva similar to human. In fact, the unvarying stratified squamous epithelium of rat conjunctiva is in striking contrast to the diversity of cell sha ...
Intra-epithelial mast cells in human airway epithelium
... classified according to level. A bronchiole was considered to be an airway less than 3 mm in size with no cartilage or glands in its wall. Respiratory bronchioles were readily identified by virtue of alveoli arising directly from their walls. Terminal bronchioles could only be reliably identified wh ...
... classified according to level. A bronchiole was considered to be an airway less than 3 mm in size with no cartilage or glands in its wall. Respiratory bronchioles were readily identified by virtue of alveoli arising directly from their walls. Terminal bronchioles could only be reliably identified wh ...
Trichohyalin, an Intermediate Filament
... In earlier studies, S-carboxymethyl-modified keratins were separated from the arginine-rich trichohyalin fraction by ionexchange chromatography. This fraction, designated TR-PPT by Rogers et al. (34), yielded several bands on pH 2.7 and SDS acrylamide gels (Fig. 1), and because of this complexity, t ...
... In earlier studies, S-carboxymethyl-modified keratins were separated from the arginine-rich trichohyalin fraction by ionexchange chromatography. This fraction, designated TR-PPT by Rogers et al. (34), yielded several bands on pH 2.7 and SDS acrylamide gels (Fig. 1), and because of this complexity, t ...
Science Summer Project - Rising 7th Grade
... Draw and label a diagram of two cells: one plant and one animal. Understand and include a brief description of the function of each organelle that you label. Your Diagrams: ● You must draw each diagram yourself ● One labelled diagram of a plant cell ● One labelled diagram of an animal cell ● Must ...
... Draw and label a diagram of two cells: one plant and one animal. Understand and include a brief description of the function of each organelle that you label. Your Diagrams: ● You must draw each diagram yourself ● One labelled diagram of a plant cell ● One labelled diagram of an animal cell ● Must ...
secretion and endocytosis in insulin
... internalized membranes may be reutilized by the cell in packaging new zymogen granules while Fawcett (24) proposed degradation of these membranes. From biochemical evidence, Meldolesi et al. (55) have recently suggested that retrieved membrane is degraded at most to the point of membrane macromolecu ...
... internalized membranes may be reutilized by the cell in packaging new zymogen granules while Fawcett (24) proposed degradation of these membranes. From biochemical evidence, Meldolesi et al. (55) have recently suggested that retrieved membrane is degraded at most to the point of membrane macromolecu ...
Lab Manual
... Bacteria are observed blue, violet or red depending upon the stain used against the colorless background. Gram Staining Principle Bacteria are chemically different from their environment and thus can be stained, in a contrasting fashion, for visualization. This procedure was first developed in 1884 ...
... Bacteria are observed blue, violet or red depending upon the stain used against the colorless background. Gram Staining Principle Bacteria are chemically different from their environment and thus can be stained, in a contrasting fashion, for visualization. This procedure was first developed in 1884 ...
TOPIC 1. CELL CHARACTERISTICS AND DIGESTIBILITIES What
... quality of the sage brush not expressed by standard chemical analysis." The quality of the sagebrush which Smith speculated on was discribed by Nagy et al. (1964) as a result of research on the effects of essential oils on the growth and metabolism of rumen microorganisms of mule deer. Sagebrush ess ...
... quality of the sage brush not expressed by standard chemical analysis." The quality of the sagebrush which Smith speculated on was discribed by Nagy et al. (1964) as a result of research on the effects of essential oils on the growth and metabolism of rumen microorganisms of mule deer. Sagebrush ess ...
conference on multiple hereditary exostoses abstract
... Before skeletal maturity, exostoses may be excised if they produce functional impairment and/or pain. These problems become more evident as the child and the exostoses grow. Chondrosarcomas rarely occur in the skeletally immature child. Care evaluation of symptomatic exostoses is required before a f ...
... Before skeletal maturity, exostoses may be excised if they produce functional impairment and/or pain. These problems become more evident as the child and the exostoses grow. Chondrosarcomas rarely occur in the skeletally immature child. Care evaluation of symptomatic exostoses is required before a f ...
review - Saudi Medical Journal
... Inhibition of apoptosis may thus offer a novel approach for limiting virus-induced tissue damage during infection. Two factors, p35 gene and inhibitor of apoptosis (IAP), found in baculovirus can also inhibit apoptosis in a response to large number of triggers (42-43). Baculovirus, Pox virus and cow ...
... Inhibition of apoptosis may thus offer a novel approach for limiting virus-induced tissue damage during infection. Two factors, p35 gene and inhibitor of apoptosis (IAP), found in baculovirus can also inhibit apoptosis in a response to large number of triggers (42-43). Baculovirus, Pox virus and cow ...
PHD domains and E3 ubiquitin ligases: viruses make the connection
... membrane with normal kinetics, but are subsequently internalized into vesicular structures in a dynamindependent fashion, which strongly suggests an upregulation of MHC class I endocytosis [6,14]. After internalization, MHC class I chains in MIR-expressing cells undergo degradation in the lysosome, ...
... membrane with normal kinetics, but are subsequently internalized into vesicular structures in a dynamindependent fashion, which strongly suggests an upregulation of MHC class I endocytosis [6,14]. After internalization, MHC class I chains in MIR-expressing cells undergo degradation in the lysosome, ...
Statistical Analysis of the Patterns of Spore Formation
... Using the values already given for these classes the maximum likelihood estimates of the parameters of the two models were determined iteratively using a modification of the Newton Raphson method (see Bailey, 1961, Appendix 1). The expected frequencies of the ten classes of quad, found using these e ...
... Using the values already given for these classes the maximum likelihood estimates of the parameters of the two models were determined iteratively using a modification of the Newton Raphson method (see Bailey, 1961, Appendix 1). The expected frequencies of the ten classes of quad, found using these e ...
Hungry for Power: Elimination of Mitochondria by Mitophagy
... role in the detection of mitochondrial stress by an unknown mechanism. PINK1 then communicates this stress by binding PARKIN, a cytosolic ubiquitin ligase, which subsequently ubiquitinates target proteins, bringing about mitophagy (13). The targets of ubiquitination are not clearly understood, but i ...
... role in the detection of mitochondrial stress by an unknown mechanism. PINK1 then communicates this stress by binding PARKIN, a cytosolic ubiquitin ligase, which subsequently ubiquitinates target proteins, bringing about mitophagy (13). The targets of ubiquitination are not clearly understood, but i ...
Molecular Identity of Hematopoietic Precursor Cells
... discovered through the severe hematopoietic stem cell defects that occur in Sl and W mutant mice.19,20 Other potential early hematopoietic factors have been identified by gene targeting in mouse embryonic stem (ES) cells. c-myb knock-out causes a lethal deficit in definitive multipotential progenito ...
... discovered through the severe hematopoietic stem cell defects that occur in Sl and W mutant mice.19,20 Other potential early hematopoietic factors have been identified by gene targeting in mouse embryonic stem (ES) cells. c-myb knock-out causes a lethal deficit in definitive multipotential progenito ...
An indelible lineage marker for Xenopus using a
... In the course of this work, we have found that the GFP.RN3 construct we have used creates such long lasting and strong fluorescence that it is likely to be a reagent of very wide application (see Discussion). To test its usefulness as a lineage marker, we have labelled single cells of an early blast ...
... In the course of this work, we have found that the GFP.RN3 construct we have used creates such long lasting and strong fluorescence that it is likely to be a reagent of very wide application (see Discussion). To test its usefulness as a lineage marker, we have labelled single cells of an early blast ...
The Ndc80p Complex from Saccharomyces cerevisiae Contains
... to select transformants, ⵑ80% of those examined, which did not contain deletions introduced by the oligos. For observations of green fluorescence protein (GFP) in live S. pombe, cells were grown in EMM2 (Moreno et al., 1991) and observed on 2% agarose/EMM2 pads with a video camera (RTEA/CCD-1800-Y; ...
... to select transformants, ⵑ80% of those examined, which did not contain deletions introduced by the oligos. For observations of green fluorescence protein (GFP) in live S. pombe, cells were grown in EMM2 (Moreno et al., 1991) and observed on 2% agarose/EMM2 pads with a video camera (RTEA/CCD-1800-Y; ...
Extracellular matrix
In biology, the extracellular matrix (ECM) is a collection of extracellular molecules secreted by cells that provides structural and biochemical support to the surrounding cells. Because multicellularity evolved independently in different multicellular lineages, the composition of ECM varies between multicellular structures; however, cell adhesion, cell-to-cell communication and differentiation are common functions of the ECM.The animal extracellular matrix includes the interstitial matrix and the basement membrane. Interstitial matrix is present between various animal cells (i.e., in the intercellular spaces). Gels of polysaccharides and fibrous proteins fill the interstitial space and act as a compression buffer against the stress placed on the ECM. Basement membranes are sheet-like depositions of ECM on which various epithelial cells rest.The plant ECM includes cell wall components, like cellulose, in addition to more complex signaling molecules. Some single-celled organisms adopt multicelluar biofilms in which the cells are embedded in an ECM composed primarily of extracellular polymeric substances (EPS).