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Journal of Agricultural and Food Chemistry
Journal of Agricultural and Food Chemistry

... Amaranth belongs to pseudocereals and contains about 13.2-18.2% protein. Soybean represents legumes with a high percentage of proteins of three times in comparison with amaranth. A better balanced amino acid composition (lysine from 3.2 to 6.4%) was found in both plants in comparison with the major ...
Visualization of APP dimerization and APP-Notch2 fluorescence complementation
Visualization of APP dimerization and APP-Notch2 fluorescence complementation

... between the processing and signaling of APP and the Notch family of receptors (Fassa et al. 2005; Fischer et al. 2005; Oh et al. 2005). Although the Notch signaling pathway has been most extensively studied in Drosophila, four mammalian homologs of Notch receptors have been characterized, Notch1–4. ...
Gene Section CDT1 (chromatin licensing and DNA replication factor 1)
Gene Section CDT1 (chromatin licensing and DNA replication factor 1)

... Cyclin-binding motif is the target for phosphorylation by cyclin A-dependent kinases, which results in the binding of Cdt1 to the F-box protein Skp2 and subsequent degradation. Interaction with geminin, a small regulatory protein active during S, G2, and M phases of the cell cycle, protects CDT1 fro ...
A novel role for microglia in minimizing excitotoxicity | BMC Biology
A novel role for microglia in minimizing excitotoxicity | BMC Biology

... can limit excitotoxicity, an important insight for understanding mechanisms that limit neuron death in CNS disease. Commentary Constituting as many as 10% of cells in the central nervous system (CNS), microglia are a subset of glial cells whose function is a longstanding mystery. Unlike other glial ...
The Iron-Sulfur Cluster Proteins Isa1 and Isa2 Are Required for the
The Iron-Sulfur Cluster Proteins Isa1 and Isa2 Are Required for the

... Biotin is a water-soluble vitamin that functions as a prosthetic group of many carboxylases. It is covalently bound to lysine residues in highly conserved domains of the apoproteins. In Saccharomyces cerevisiae, the best-characterized biotin-containing enzymes are acetyl coenzyme A (acetyl-CoA) carb ...
Regulation of KNOLLE syntaxin - Journal of Cell Science
Regulation of KNOLLE syntaxin - Journal of Cell Science

... Likewise, the Caenorhabditis syn-4 gene is involved in embryo cleavage divisions but also plays a role in nuclear membrane reformation (Jantsch-Plunger and Glotzer, 1999). In contrast to the other two syntaxins, KNOLLE is required only for de novo formation of the partitioning plasma membrane during ...
Sample
Sample

... 87) Proteins, carbohydrates, and lipids all perform vital functions for an organism. Discuss some of these vital functions and what could happen to an animal if one of these biological molecules were removed from their diet. Answer: Proteins play important roles in the structure of cells, as well as ...
Cellular Pathology
Cellular Pathology

... (a) Storage diseases Definition: Excess accumulation of complex substrates within lyzosomes as a result of a genetic enzymatic defect in a specific metabolic ...
Paraquat: An Oxidative Stress Inducer
Paraquat: An Oxidative Stress Inducer

... are central components of the cross-tolerance phenomenon which states that a tolerant genotype to one stress condition could be also tolerant to other kinds of stress. Paraquat treatments have been frequently used, as a potent oxidative stress inducer, in many different basic studies like: oxidative ...
Induction of c-fos Expression in Hypothalamic Magnocellular
Induction of c-fos Expression in Hypothalamic Magnocellular

... the effects of i.c.v. carbachol on the expression of Fos-like immunoreactivity (Fos-LI). Two injections of carbachol (0.2 pg in 2 ~1, i.c.v.) were given separated by a 20 min period. Control animals were given injections of the same volume of isotonic saline. Ninety minutes after the second injectio ...
PREFERENTIAL POTENTIATION OF WEAKER INPUTS TO PRIMARY
PREFERENTIAL POTENTIATION OF WEAKER INPUTS TO PRIMARY

... The magnitude of LTP that can be induced at thalamocortical and intracortical synapses in V1 can be influenced by various neuromodulators. For example, in vitro studies suggest that serotonin lowers the amount of NMDA-dependent LTP that can be obtained in slices of V1 (Edagawa et al., 2001; Kim et a ...
Communications between Mitochondria, the Nucleus, Vacuoles
Communications between Mitochondria, the Nucleus, Vacuoles

... checkpoints occur early in life of chronologically aging yeast cells, during diauxic (D), and post-diauxic (PD) growth phases. Some of the checkpoints are late-life checkpoints that exists in the non-proliferative stationary (ST) phase of culturing. At each of these checkpoints, the changes of the k ...
Reduce Formation of SLP-76 Linker of Activated T Cells and SLP
Reduce Formation of SLP-76 Linker of Activated T Cells and SLP

... replication particularly during primary infection and is critical for rapid disease progression (18–20). This role of Nef as a pathogenicity factor is also revealed in transgenic mice in which Nef expression induces AIDS-like depletion of CD4+ T lymphocytes (21). In the absence of intrinsic enzymati ...
Sensory Afferent Neurotransmission in Caudal Nucleus Tractus
Sensory Afferent Neurotransmission in Caudal Nucleus Tractus

... receptors may be ion channels opened by e.g. Glu, GABA or glycine receptors. Alternatively, ligand-activated receptors may, directly or through second messenger systems, modulate the activity of voltage-dependent channels in the membrane of the central presynaptic terminal. In either case, the ...
Cytosolic Hsp70 and co-chaperones constitute a novel system for
Cytosolic Hsp70 and co-chaperones constitute a novel system for

... Cell biology ...
Cellular functions of the BRCA tumour
Cellular functions of the BRCA tumour

... RING domain was identified as soon as the BRCA1 gene was cloned on the basis of homology with similar domains found in proteins that interact directly or indirectly with DNA. The RING domain of BRCA1 encompasses the first 109 amino acids. Within this region of the protein a characteristic core of ap ...
Neutrophils in the innate immune response
Neutrophils in the innate immune response

... factors, and lipid-derived signaling molecules (Table 1). Cell-cell contact215 and adherence/adhesion71, 88, ...
Physcomitrella patens - Epsilon Open Archive
Physcomitrella patens - Epsilon Open Archive

... the rich blue of the oceans, the white of clouds and ice caps and the earthy colours of land. Looking more closely one would also see patches of green. This green colour visible from space is of course plants. The green plants are the primary producers of planet Earth, harvesting the energy of the s ...
Regulatory Mechanisms for Specification and Patterning of Plant
Regulatory Mechanisms for Specification and Patterning of Plant

... Plant vascular tissues, the conduits of water, nutrients, and small molecules, play important roles in plant growth and development. Vascular tissues have allowed plants to successfully adapt to various environmental conditions since they evolved 450 Mya. The majority of plant biomass, an important ...
AP Biology Campbell 8th Edition Chapter 1 Study Guide
AP Biology Campbell 8th Edition Chapter 1 Study Guide

... • The rising phase of the action potential ends when the positive feedback loop is interrupted. • Two processes break the loop: 1. the inactivation of the voltage-gated sodium channels. 2. the opening of the voltage-gated potassium channels. • The voltage-gated sodium channels have two gates: 1. A v ...
Promiscuity of the Euonymus Carbohydrate-Binding Domain
Promiscuity of the Euonymus Carbohydrate-Binding Domain

... A detailed analysis of the EUL sequences in dicot plants revealed that most dicot species such as Arabidopsis only have one or two genes encoding a single domain EUL sequence with a long unrelated N-terminal domain (type S3). In contrast, monocot and lower plant species have a whole set of EUL seque ...
Biology Olympiad (NSEB ) 2012
Biology Olympiad (NSEB ) 2012

... (a) Impulse transmission (b) Secretion of gastri juicec (c) Ultrafiltration (d) Oogenesis [a] Impulse transmission in nerve is depend on Na-K pump. Protein molecules giving individuality to cells have to be membrane proteins of this category (a) Peripheral or Extrinsic (b) Integral proteins on cytop ...
Full version (PDF file)
Full version (PDF file)

... only 0.001 % of total glucose concentration, α-oxoaldehydes are characterized by extremely high chemical activity. They are up to 20,000-fold as reactive as glucose, thus being able to form AGE-structures even at very low concentrations. Physiologically, α-oxoaldehydes react directly with protein te ...
Modelling neurodegeneration in Saccharomyces
Modelling neurodegeneration in Saccharomyces

... • Chemical genetic mapping. An extensive chemical genetic analysis of S. cerevisiae (created by testing more than 1,000 chemical and environmental perturbations on every strain of the non-essential deletion library). It provides an extraordinary resource for predicting drug targets and drug synergy5 ...
Mechanisms of water-holding capacity of meat: The role
Mechanisms of water-holding capacity of meat: The role

... that the postmortem metabolism in the muscle is accelerated, causing a more rapid pH decline than is seen in non-stressed animals. While the condition may not be as severe as that caused by the Halothane gene, protein denaturation does occur, and drip losses can be greater than in muscle that has a ...
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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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