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  • Species Specificity  (3)
  • Fluorescent Antibody Technique
  • American Association for the Advancement of Science (AAAS)  (4)
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  • American Association for the Advancement of Science (AAAS)  (4)
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  • 1
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    Complete genome sequence of a virulent isolate of Streptococcus pneumoniae (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-07-21
    Description: The 2,160,837-base pair genome sequence of an isolate of Streptococcus pneumoniae, a Gram-positive pathogen that causes pneumonia, bacteremia, meningitis, and otitis media, contains 2236 predicted coding regions; of these, 1440 (64%) were assigned a biological role. Approximately 5% of the genome is composed of insertion sequences that may contribute to genome rearrangements through uptake of foreign DNA. Extracellular enzyme systems for the metabolism of polysaccharides and hexosamines provide a substantial source of carbon and nitrogen for S. pneumoniae and also damage host tissues and facilitate colonization. A motif identified within the signal peptide of proteins is potentially involved in targeting these proteins to the cell surface of low-guanine/cytosine (GC) Gram-positive species. Several surface-exposed proteins that may serve as potential vaccine candidates were identified. Comparative genome hybridization with DNA arrays revealed strain differences in S. pneumoniae that could contribute to differences in virulence and antigenicity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tettelin, H -- Nelson, K E -- Paulsen, I T -- Eisen, J A -- Read, T D -- Peterson, S -- Heidelberg, J -- DeBoy, R T -- Haft, D H -- Dodson, R J -- Durkin, A S -- Gwinn, M -- Kolonay, J F -- Nelson, W C -- Peterson, J D -- Umayam, L A -- White, O -- Salzberg, S L -- Lewis, M R -- Radune, D -- Holtzapple, E -- Khouri, H -- Wolf, A M -- Utterback, T R -- Hansen, C L -- McDonald, L A -- Feldblyum, T V -- Angiuoli, S -- Dickinson, T -- Hickey, E K -- Holt, I E -- Loftus, B J -- Yang, F -- Smith, H O -- Venter, J C -- Dougherty, B A -- Morrison, D A -- Hollingshead, S K -- Fraser, C M -- R01 AI40645-01A1/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2001 Jul 20;293(5529):498-506.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Institute for Genomic Research (TIGR), 9712 Medical Center Drive, Rockville, MD 20850, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11463916" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, Bacterial ; Bacterial Proteins/chemistry/genetics/immunology/metabolism ; Bacterial Vaccines ; Base Composition ; Carbohydrate Metabolism ; Carrier Proteins/genetics/metabolism ; Chromosomes, Bacterial/genetics ; Computational Biology ; DNA Transposable Elements ; DNA, Bacterial/chemistry/genetics ; Gene Duplication ; Genes, Bacterial ; *Genome, Bacterial ; Hexosamines/metabolism ; Oligonucleotide Array Sequence Analysis ; Recombination, Genetic ; Repetitive Sequences, Nucleic Acid ; *Sequence Analysis, DNA ; Species Specificity ; Streptococcus pneumoniae/*genetics/immunology/metabolism/*pathogenicity ; Virulence ; rRNA Operon
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Evolution and immunology. The economics of immunity (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-24
    Description: Our vigilant immune systems are ready to mount an attack as soon as an invading pathogen is spotted. But what is the cost of keeping this sophisticated defense system on red alert? In a provocative Perspective, Read and Allen discuss new findings showing that the cost of immune defense in animals is very high (Moret and Schmid-Hempel), and the claim that, in some circumstances, the cost may be worth the benefit gained (Nunn et al.).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Read, A F -- Allen, J E -- New York, N.Y. -- Science. 2000 Nov 10;290(5494):1104-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Cell, Animal and Population Biology, University of Edinburgh, Edinburgh EH9 3JT, UK. a.read@ed.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11185007" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bees/*immunology ; *Biological Evolution ; Female ; *Immunity ; Immunity, Active ; Immunity, Cellular ; Immunity, Innate ; Leukocyte Count ; Male ; Primate Diseases/immunology ; Primates/*immunology ; Selection, Genetic ; Sexual Behavior, Animal ; Sexually Transmitted Diseases/immunology/veterinary ; Species Specificity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Comparative genome sequencing for discovery of novel polymorphisms in Bacillus anthracis (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-11
    Description: Comparison of the whole-genome sequence of Bacillus anthracis isolated from a victim of a recent bioterrorist anthrax attack with a reference reveals 60 new markers that include single nucleotide polymorphisms (SNPs), inserted or deleted sequences, and tandem repeats. Genome comparison detected four high-quality SNPs between the two sequenced B. anthracis chromosomes and seven differences among different preparations of the reference genome. These markers have been tested on a collection of anthrax isolates and were found to divide these samples into distinct families. These results demonstrate that genome-based analysis of microbial pathogens will provide a powerful new tool for investigation of infectious disease outbreaks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Read, Timothy D -- Salzberg, Steven L -- Pop, Mihai -- Shumway, Martin -- Umayam, Lowell -- Jiang, Lingxia -- Holtzapple, Erik -- Busch, Joseph D -- Smith, Kimothy L -- Schupp, James M -- Solomon, Daniel -- Keim, Paul -- Fraser, Claire M -- R01-LM06845/LM/NLM NIH HHS/ -- New York, N.Y. -- Science. 2002 Jun 14;296(5575):2028-33. Epub 2002 May 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Institute for Genomic Research, 9712 Medical Center Drive, Rockville, MD 20850, USA., Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12004073" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthrax/microbiology ; Bacillus anthracis/classification/*genetics/isolation & ; purification/pathogenicity ; Bacterial Typing Techniques ; Base Sequence ; Bioterrorism ; Chromosome Inversion ; Computational Biology ; Disease Outbreaks ; Genetic Markers ; *Genetic Variation ; *Genome, Bacterial ; Genomics ; Humans ; Minisatellite Repeats ; Molecular Sequence Data ; Mutation ; Phenotype ; Phylogeny ; Plasmids ; *Polymorphism, Single Nucleotide ; Recombination, Genetic ; Repetitive Sequences, Nucleic Acid ; *Sequence Analysis, DNA ; Sequence Deletion ; Species Specificity ; Transposases/genetics ; Virulence/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Light-directed, spatially addressable parallel chemical synthesis (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-15
    Description: Solid-phase chemistry, photolabile protecting groups, and photolithography have been combined to achieve light-directed, spatially addressable parallel chemical synthesis to yield a highly diverse set of chemical products. Binary masking, one of many possible combinatorial synthesis strategies, yields 2n compounds in n chemical steps. An array of 1024 peptides was synthesized in ten steps, and its interaction with a monoclonal antibody was assayed by epifluorescence microscopy. High-density arrays formed by light-directed synthesis are potentially rich sources of chemical diversity for discovering new ligands that bind to biological receptors and for elucidating principles governing molecular interactions. The generality of this approach is illustrated by the light-directed synthesis of a dinucleotide. Spatially directed synthesis of complex compounds could also be used for microfabrication of devices.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fodor, S P -- Read, J L -- Pirrung, M C -- Stryer, L -- Lu, A T -- Solas, D -- New York, N.Y. -- Science. 1991 Feb 15;251(4995):767-73.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Affymax Research Institute, Palo Alto, CA 94304.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1990438" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Fluorescent Antibody Technique ; Mathematics ; Molecular Sequence Data ; Oligonucleotides/chemical synthesis ; Oligopeptides/*chemical synthesis ; Photochemistry/*methods
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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