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  • 1
    Online Resource
    Online Resource
    Basel :S. Karger AG,
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (203 pages)
    Edition: 1st ed.
    ISBN: 9783318011746
    Series Statement: Chemical Immunology and Allergy Series ; v.86
    Language: English
    Note: Cover -- Contents -- Preface -- Antimicrobial Peptides: Basic Features and Clinical Relevance -- Antimicrobial Peptides in Drosophila: Structures, Activities and Gene Regulation -- Abstract -- Introduction -- Drosophila Defensin, An Anti-Gram-Positive Peptide -- The Antifungal Drosomycin -- Antifungal Peptide -- Metchnikowin, A Cysteine-Free Drosophila Antifungal Peptide -- Cecropins, alpha-Helical Peptides Largely Distributed in Higher Insect Orders -- Drosocin, An Anti-Gram-Negative O-Glycopeptide -- Diptericin, An Anti-Gram-Negative O-Glycopeptide -- Attacins, Large Polypeptides with Antibacterial Properties -- MPAC, the Drosophila Attacin C Pro-Domain with Antibacterial Properties -- Rel Proteins Control Expression of Antimicrobial Peptide Genes -- The Toll and IMD Pathways Control Inducible Expression of AMP Genes -- Other Signaling Pathways Activated during the Drosophila Immune Response -- Hemocytes in the Drosophila Immune Response -- Epithelial Responses in Drosophila -- Concluding Remarks -- Acknowledgements -- References -- Antimicrobial Peptides in Human Skin -- Abstract -- Introduction -- beta-Defensins -- Human beta-Defensin-2 -- Human beta-Defensin-3 -- Human beta-Defensin-1 -- Human beta-Defensin-4 -- Cathelicidin LL-37 -- Serine Protease Inhibitors Antileukoprotease and Elafin -- Dermcidin -- Adrenomedullin -- Neutrophil Gelatinase-Associated Lipocalin -- RNase 7 -- Skin Disease Implications -- Conclusion -- References -- Human Defensins in Crohn's Disease -- Abstract -- Introduction -- Epidemiology: The Role of Hygiene -- Pathophysiology: The Role of Luminal and Mucosal Bacteria -- Defensin Expression and Regulation in the Healthy Intestinal Tract -- Defensins and Inflammatory Bowel Diseases -- NOD2, A Peptidoglycan Receptor and Defensin Expression -- Toll-Like Receptors and Their Expression in Inflammatory Bowel Diseases. , Therapy: The Role of Antibiotics and Probiotics -- Concluding Remarks -- Acknowledgements -- References -- Antimicrobial Peptides in Lung Inflammation -- Abstract -- Introduction -- AMPs Are Expressed in the Respiratory Tract -- Host Defense in the Airways -- AMPs in the Human Lung -- Regulation of the AMPs in the Lung -- Functions of AMPs in the Respiratory Tract -- Antimicrobial Activity -- Inflammation, Angiogenesis, and Cell Function -- Role of AMPs in Pulmonary Disease -- Pneumonia and Tuberculosis -- Cystic Fibrosis and Diffuse Panbronchiolitis -- Asthma and Chronic Obstructive Pulmonary Disease -- Adult Respiratory Distress Syndrome -- Pulmonary Fibrosis and Sarcoidosis -- Conclusions -- Acknowledgement -- References -- Reciprocal Interactions of Host Cells and Microbes -- Bacterial Evasion of Innate Defense at Epithelial Linings -- Abstract -- How to Circumvent Physical Removal from Body Surfaces -- Overcome Space and Nutrient Deprivation -- Resisting the Low-pH Defense Barrier -- Avoid Protease Mediated Destruction and Opsonization -- Evade Recognition and Cell Activation -- Withstand Targeted Destruction -- Active Penetration of the Epithelial Cell Barrier -- Acknowledgements -- References -- Recognition of Bacterial Products by Toll-Like Receptors -- Abstract -- Mammalian Toll-Like Receptors and Their Ligands -- Extracellular Recognition of TLR Ligands -- TLR4 -- TLR2, TLR2/TLR1, and TLR2/TLR6 -- TLR10 -- TLR5 -- TLR11 -- Intracellular Recognition of TLR Ligands -- TLR3 -- TLR7/TLR8 -- TLR9 -- Conclusion -- References -- TLR Signalling and the Function of Dendritic Cells -- Abstract -- Introduction -- What Are Toll-Like Receptors? -- Toll-Like Receptors Recognize Various Molecules -- Signalling Pathway of TLRs -- MyD88-Dependent Pathway -- MyD88-Independent Pathway -- TIRAP/Mal -- TRIF -- TRAM -- The Role of TLR Family in the Host Defence. , TLRs Stimulate DCs to Induce T Cell Activation -- LPS-Stimulated MyD88-Deficient DCs -- DC Subset-Dependent Cytokine Production -- Conclusion -- References -- Contribution of T Cells to Epithelial Defense -- Immunosurveillance by gama/deltaT Cells: Focus on the Murine System -- Abstract -- TCRgamadelta+ Intraepithelial Lymphocytes -- Immunoprotective Roles of gamadelta T Cells in the Tissues -- Immunoregulatory Roles of Local gamadelta T Cells -- gamadelta+ T Cells and Tumor Surveillance -- gamadelta+ T Cell Regulation of Epithelial Malignancy -- From gamadelta Cell Biology in Mice to Immunosurveillance in Humans -- Immunological Mechanisms Highlighted by gamadelta Cells - Towards the Clinic -- References -- gamadelta T Cells Link Innate and Adaptive Immune Responses -- Abstract -- Introduction -- Vgama9/Vdelta2 T Cells -- Vgama9/Vdelta2 T Cells Are Expanded by Various Microbes -- Vgama9/Vdelta2 T Cells Are Activated by Non-Peptide Antigens -- Non-Mevalonate Pathway Intermediates Are the Most Potent Vgama9/Vdelta2 Activators -- Alkylamines Activate Vgama9/Vdelta2 T Cells -- N-Bisphosphonates Stimulate Vgama9/Vdelta2 T Cells -- Vgama9/Vdelta2 T Cells Can Kill Bacteria within Hours after Activation -- The Vgama9/Vdelta2 TCR Repertoire Is Shaped by Non-Peptide Antigens -- Vgama9/Vdelta2 T Cells and Tumor Surveillance -- Activation of Vgama9/Vdelta2 T Cells as a Therapeutic Approach in Tumor Treatment: From Bench to Bedside -- Vdelta1 Cells -- Vdelta1 T Cells Are the Dominant gamma/delta T Cell Population at Mucosal Surfaces -- Vdelta1 T Cells Are Activated by MICA/B -- Vdelta1 T Cells Are Activated by Glycolipids Presented by CD1 -- Lipid Extracts from Gram-Negative Bacteria Indirectly Stimulate Vdelta1T Cells -- TCR Repertoire of Vdelta1 T Cells -- The Role of Vdelta1 T Cells in Microbial Infections -- The Role of Vdelta1 T Cells in Tumor Recognition. , Migration and Homing of gamma/delta T cells -- Chemokine Expression of Peripheral gamma/delta T cells -- gamma/delta T Cells Can Be Polarized into TH1/TH2 Cells -- Chemokine Expression of Mucosal gamma/delta T Cells -- gamma/delta T Cells Can Have Immunosuppressive and Anti-Inflammatory Activities -- Expression of Toll-Like Receptors -- Concluding Remarks -- References -- Author Index -- Subject Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- L -- M -- N -- P -- R -- S -- T -- Y.
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  • 2
    Publication Date: 2014-05-21
    Description: Multiple K+ transporters and channels and the corresponding mutants have been described and studied in the plasma membrane and organelle membranes of plant cells. However, knowledge about the molecular identity of chloroplast K+ transporters is limited. Potassium transport and a well-balanced K+ homeostasis were suggested to play important roles in...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 3
    Publication Date: 2013-08-07
    Description: The concentration of ribonucleoside triphosphates (rNTPs) in cells is far greater than the concentration of deoxyribonucleoside triphosphates (dNTPs), and this pool imbalance presents a challenge for DNA polymerases (Pols) to select their proper substrate. This report examines the effect of nucleotide pool imbalance on the rate and fidelity of the...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 4
    Publication Date: 2016-08-31
    Description: Plants experience hyperosmotic stress when faced with saline soils and possibly with drought stress, but it is currently unclear how plant roots perceive this stress in an environment of dynamic water availabilities. Hyperosmotic stress induces a rapid rise in intracellular Ca2+ concentrations ([Ca2+]i) in plants, and this Ca2+ response may...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 5
    Publication Date: 2012-06-27
    Description: The plant hormone abscisic acid (ABA) is produced in response to abiotic stresses and mediates stomatal closure in response to drought via recently identified ABA receptors (pyrabactin resistance/regulatory component of ABA receptor; PYR/RCAR). SLAC1 encodes a central guard cell S-type anion channel that mediates ABA-induced stomatal closure. Coexpression of the calcium-dependent protein kinase 21 (CPK21), CPK23, or the Open Stomata 1 kinase (OST1) activates SLAC1 anion currents. However, reconstitution of ABA activation of any plant ion channel has not yet been attained. Whether the known core ABA signaling components are sufficient for ABA activation of SLAC1 anion channels or whether additional components are required remains unknown. The Ca2+-dependent protein kinase CPK6 is known to function in vivo in ABA-induced stomatal closure. Here we show that CPK6 robustly activates SLAC1-mediated currents and phosphorylates the SLAC1 N terminus. A phosphorylation site (S59) in SLAC1, crucial for CPK6 activation, was identified. The group A PP2Cs ABI1, ABI2, and PP2CA down-regulated CPK6-mediated SLAC1 activity in oocytes. Unexpectedly, ABI1 directly dephosphorylated the N terminus of SLAC1, indicating an alternate branched early ABA signaling core in which ABI1 targets SLAC1 directly (down-regulation). Furthermore, here we have successfully reconstituted ABA-induced activation of SLAC1 channels in oocytes using the ABA receptor pyrabactin resistant 1 (PYR1) and PP2C phosphatases with two alternate signaling cores including either CPK6 or OST1. Point mutations in ABI1 disrupting PYR1–ABI1 interaction abolished ABA signal transduction. Moreover, by addition of CPK6, a functional ABA signal transduction core from ABA receptors to ion channel activation was reconstituted without a SnRK2 kinase.
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    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 6
    Publication Date: 2014-04-30
    Description: The existence and relevance of rapid long-distance signaling in plants is evident to any observer of the nastic movements of the Venus flytrap (Dionaea muscipula) or the sensitive plant (Mimosa pudica). However, all plants require the transmission of sensory information from the site of perception to other tissues to adjust...
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    Electronic ISSN: 1091-6490
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  • 7
    Publication Date: 2016-07-21
    Description: Protein microarrays enable investigation of diverse biochemical properties for thousands of proteins in a single experiment, an unparalleled capacity. Using a high-density system called HaloTag nucleic acid programmable protein array (HaloTag-NAPPA), we created high-density protein arrays comprising 12,000 Arabidopsis ORFs. We used these arrays to query protein–protein interactions for a...
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    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 8
    Publication Date: 2015-12-16
    Description: MutS is responsible for initiating the correction of DNA replication errors. To understand how MutS searches for and identifies rare base-pair mismatches, we characterized the dynamic movement of MutS and the replisome in real time using superresolution microscopy and single-molecule tracking in living cells. We report that MutS dynamics are...
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    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 9
    Publication Date: 2015-10-21
    Description: The unexpected resistance of psoriasis lesions to fungal infections suggests local production of an antifungal factor. We purified Trichophyton rubrum-inhibiting activity from lesional psoriasis scale extracts and identified the Cys-reduced form of S100A7/psoriasin (redS100A7) as a principal antifungal factor. redS100A7 inhibits various filamentous fungi, including the mold Aspergillus fumigatus, but...
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    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 10
    Publication Date: 2015-04-01
    Description: A nongenetic, transgenerational effect of parental age on offspring fitness has been described in many taxa in the laboratory. Such a transgenerational fitness effect will have important influences on population dynamics, population age structure, and the evolution of aging and lifespan. However, effects of parental age on offspring lifetime fitness...
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    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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