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Expression and function of cell adhesion molecules during neural
Expression and function of cell adhesion molecules during neural

... planar cell polarity signalling, which is required for contact inhibition of locomotion ...
Journal of Bacteriology
Journal of Bacteriology

... and energy sources for growth and N2 fixation, whereas Azospirillum lipoferum can also use glucose (31). Recently, Azospirillum amazonense was described as a microaerobic, acid-tolerant, root-colonizing bacterium that can use sucrose to support growth and N2 fixation (8, 19). Biological N2 fixation ...
VEGF and endochondral bone formation
VEGF and endochondral bone formation

... chondrocytes in suspension have inhibitory effects on endothelial cell migration and invasion; when supplemented with ascorbic acid, a condition that allows organization of an extracellular matrix totally resembling in vivo cartilage, hypertrophic chondrocytes switch to the release of angiogenic act ...
Chpt17_TxnlRegLambda.doc
Chpt17_TxnlRegLambda.doc

... Not all bacteriophage lyse their host bacteria upon infection. Temperate phage reside in the host genome and do not kill the host, whereas lytic phage cause lysis of their hosts when they infect bacteria. The bacteriophage  can choose between these two “lifestyles.” The molecular basis for this dec ...
Protein Composition of a High-Protein Barley Flour and Barley Grain
Protein Composition of a High-Protein Barley Flour and Barley Grain

... Mean of three replicates. bObtained by subtracting the nonprotein nitrogen from the salt-soluble N. a ...
Glucose induces de novo lipogenesis in rat muscle satellite cells
Glucose induces de novo lipogenesis in rat muscle satellite cells

... glucose-induced increase in the precursor and mature forms of SREBP-1c was not consecutive to an upregulation of SREBP1 gene expression because no variation in SREBP-1 mRNA level was observed within 2 hours of the application of a high glucose concentration (not shown). The nuclear translocation of ...
Document
Document

... process, so it is advantageous to an organism to complement dietary intake.  In mammals, cholesterol production is regulated by intracellular cholesterol concentration and by the hormones glucagon and insulin.  Regulation is mediated by an elegant system of transcriptional regulation of the gene e ...
Eater, a Transmembrane Protein Mediating
Eater, a Transmembrane Protein Mediating

... that corresponds to a single membrane-spanning receptor with an N-terminal signal sequence and a C-terminal membrane anchor followed by an intracellular domain of 28 amino acids containing a potential tyrosine phosphorylation motif (Figures 2C and 2D). The extracellular domain of the Eater protein i ...
Metabolic adaptation of Mycobacterium avium subsp
Metabolic adaptation of Mycobacterium avium subsp

... shares many virulence mechanisms with Mycobacterium tuberculosis (MTB), particularly the ability to survive in the hostile environment of macrophages (Coussens, 2001). This indicates common mechanisms in the pathobiology of mycobacterial infections. In recent years, it has become clear that carbon m ...
Inglés
Inglés

... and for the activity of the major murein hydrolase LytA amidase, which carries out 99% of the lytic activity in the cell. The gene coding for this fundamental enzyme (lytA) was cloned and sequence in 1985 [7], providing the first report of the molecular manipulation of a bacterial autolysin. When pn ...
University: Suez Canal University Faculty of Medicine Course
University: Suez Canal University Faculty of Medicine Course

... 17. List the physiological buffers and discuss why Carbonic acid/Bicarbonate system is the most important buffer in the body. 18. Discuss acid-base disturbances and compare between them; Demonstrate their common causes and describe the role of lung and kidney in adjusting blood pH. A2 Enzymes: 1. De ...
RETINOBLASTOMA RELATED1 Regulates
RETINOBLASTOMA RELATED1 Regulates

... divisions. We reveal that the function of CDKA;1 in asymmetric cell divisions operates through a transcriptional regulation system that is mediated by the Arabidopsis Retinoblastoma homolog RBR1. RBR1 regulates not only cell cycle genes, but also, independent of the cell cycle transcription factor E ...
PDF Print - APS Journals
PDF Print - APS Journals

... closely associated with callose accumulation. Differential responses in defense-gene expression among disease reaction types included upregulation of PR-1.1b and downregulation of a nonspecific lipid transfer protein in the incompatible and compatible interactions, respectively. Transcript levels of ...
Biochemistry Lecture 15
Biochemistry Lecture 15

... • If not enough blood glu •  stim’n ad cyclase/cAMP/prot kinase pathway if gluconeogenesis nec because not enough nutrient glu avail to maintain sufficient [blood glu] ...
Determinants of Drosophila zw10 protein localization and function
Determinants of Drosophila zw10 protein localization and function

... We show that in zw10 mutants the first obvious mitotic defect is seen in anaphase chromatid movement. Prometaphase centrosome movement, metaphase spindle structure, and metaphase chromosome alignment all appear to be unaffected, suggesting that zw10 function is not required prior to anaphase onset. ...
Sphingolipids Containing Very-Long
Sphingolipids Containing Very-Long

... 2010). In all these mutants, the level of VLCFA in sphingolipids is reduced, and this reduction is coupled with important morphological changes in the plant. In the cer10 mutant, which is deficient in elongation-specific enoyl reductase, endosomal compartments were shown to accumulate, indicating ab ...
BIOGRAPHICAL SKETCH Joanne I. Yeh joanneyeh Associate
BIOGRAPHICAL SKETCH Joanne I. Yeh joanneyeh Associate

... Yeh, J.I. and Mao, N. (2006). Prediction of Membrane Proteins in Mycobacterium tuberculosis using Support Vector Machine Algorithm. Journal of Computational Biology 13(1), 128-131. Yeh, J.I. (2006). Coordinated Biosensors: integrated systems for ultra sensitive detection. In Nanotechnologies for Lif ...
Sulfur Metabolism in Escherichia coli and Related Bacteria: Facts
Sulfur Metabolism in Escherichia coli and Related Bacteria: Facts

... enzyme (HAL2=MET22 (Glaser et al., 1993)) is probably also present in yeast, where its inactivation leads to methionine auxotrophy. The plant enzyme (encoded by the HAL2-like gene RHL (Peng and Verma, 1995)) is sensitive to the presence of sodium ions and its activity is associated with the resistan ...
APC5 Antibody
APC5 Antibody

... promoting complex/cyclosome (APC/C), a cell cycle-regulated E3 ubiquitin ligase that controls progression through mitosis and the G1 phase of the cell cycle. APC/C is responsible for degrading anaphase inhibitors, mitotic cyclins, and spindle-associated proteins ensuring that events of mitosis take ...
Electron Transfer Chain
Electron Transfer Chain

... (yellow) and His N (blue). A heme that binds O2 may have an open (empty) axial ligand position. ...
Lysosomes and Fas-mediated liver cell death
Lysosomes and Fas-mediated liver cell death

... and the death of the animals 90–120 min after injection. To monitor liver apoptosis, we examined the chronological changes of DEVDase activity and of unsedimentable sulfite cytochrome c reductase taking place after aFas injection. The unsedimentable activity of β-galactosidase, a reference hydrolase ...
The Endocrine System - Life Science Academy
The Endocrine System - Life Science Academy

... of a walnut and weigh as much as a grape, and they are located at the top of each kidney. ...
Determination of protein regions responsible for interactions of
Determination of protein regions responsible for interactions of

... to identify the possible regions responsible for the amelogenin– LAMP1 interaction. We cloned the amelogenin cDNA fragments corresponding to exons 3 and 5 (amino acids 3–33) or the amino acids corresponding to exon 6D (residues 155–179) into the ‘bait’ vector (pGBKT7). We cloned the human LAMP1 cDNA ...
Regulation of the plant defence response in arbuscular mycorrhizal
Regulation of the plant defence response in arbuscular mycorrhizal

... plant/fungus interactions, as long as the mycelium has not yet reached a certain size that allows the plant to recognize the microbe as a helpful partner. During later stages of the symbiosis, the interaction can shift to mutualism, e.g. after an arbuscular system has been established that allows an ...
1 Cell wall integrity controls root elongation via ACC Corresponding
1 Cell wall integrity controls root elongation via ACC Corresponding

... Our knowledge of this postulated signalling pathway is limited. Fungal cell walls, despite their different chemical composition, have a mechanical function very similar to that of plant cell walls. In yeast, a cell wall integrity signalling pathway has been characterised in detail (Levin, 2005) tha ...
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Signal transduction



Signal transduction occurs when an extracellular signaling molecule activates a specific receptor located on the cell surface or inside the cell. In turn, this receptor triggers a biochemical chain of events inside the cell, creating a response. Depending on the cell, the response alters the cell's metabolism, shape, gene expression, or ability to divide. The signal can be amplified at any step. Thus, one signaling molecule can cause many responses.
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