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  • *Sequence Analysis, DNA  (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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    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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  • 3
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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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  • 4
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    Role of mobile DNA in the evolution of vancomycin-resistant Enterococcus faecalis (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-03-29
    Description: The complete genome sequence of Enterococcus faecalis V583, a vancomycin-resistant clinical isolate, revealed that more than a quarter of the genome consists of probable mobile or foreign DNA. One of the predicted mobile elements is a previously unknown vanB vancomycin-resistance conjugative transposon. Three plasmids were identified, including two pheromone-sensing conjugative plasmids, one encoding a previously undescribed pheromone inhibitor. The apparent propensity for the incorporation of mobile elements probably contributed to the rapid acquisition and dissemination of drug resistance in the enterococci.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paulsen, I T -- Banerjei, L -- Myers, G S A -- Nelson, K E -- Seshadri, R -- Read, T D -- Fouts, D E -- Eisen, J A -- Gill, S R -- Heidelberg, J F -- Tettelin, H -- Dodson, R J -- Umayam, L -- Brinkac, L -- Beanan, M -- Daugherty, S -- DeBoy, R T -- Durkin, S -- Kolonay, J -- Madupu, R -- Nelson, W -- Vamathevan, J -- Tran, B -- Upton, J -- Hansen, T -- Shetty, J -- Khouri, H -- Utterback, T -- Radune, D -- Ketchum, K A -- Dougherty, B A -- Fraser, C M -- AI40963-02/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2003 Mar 28;299(5615):2071-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Genomic Research, 9712 Medical Center Drive, Rockville, MD 20850, USA. ipaulsen@tigr.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12663927" target="_blank"〉PubMed〈/a〉
    Keywords: Adhesins, Bacterial/genetics ; Bacterial Adhesion ; Bacterial Proteins/genetics ; *Biological Evolution ; Carrier Proteins/genetics/metabolism ; Chromosomes, Bacterial/genetics ; Conjugation, Genetic ; Conserved Sequence ; DNA Transposable Elements ; Digestive System/microbiology ; Drug Resistance, Multiple, Bacterial ; Enterococcus faecalis/drug effects/*genetics/pathogenicity/physiology ; Gene Transfer, Horizontal ; *Genome, Bacterial ; Gram-Positive Bacterial Infections/microbiology ; Humans ; *Interspersed Repetitive Sequences ; Lysogeny ; Open Reading Frames ; Oxidative Stress ; Plasmids ; *Sequence Analysis, DNA ; Synteny ; Vancomycin Resistance/*genetics ; Virulence/genetics ; Virulence Factors/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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