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  • Spacecraft Propulsion and Power  (4)
  • Sequence Analysis, DNA
  • 2005-2009  (6)
  • 1925-1929
  • 2005  (6)
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  • 2005-2009  (6)
  • 1925-1929
Jahr
  • 1
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    The genome of the basidiomycetous yeast and human pathogen Cryptococcus neoformans (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2005-01-18
    Beschreibung: Cryptococcus neoformans is a basidiomycetous yeast ubiquitous in the environment, a model for fungal pathogenesis, and an opportunistic human pathogen of global importance. We have sequenced its approximately 20-megabase genome, which contains approximately 6500 intron-rich gene structures and encodes a transcriptome abundant in alternatively spliced and antisense messages. The genome is rich in transposons, many of which cluster at candidate centromeric regions. The presence of these transposons may drive karyotype instability and phenotypic variation. C. neoformans encodes unique genes that may contribute to its unusual virulence properties, and comparison of two phenotypically distinct strains reveals variation in gene content in addition to sequence polymorphisms between the genomes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3520129/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3520129/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Loftus, Brendan J -- Fung, Eula -- Roncaglia, Paola -- Rowley, Don -- Amedeo, Paolo -- Bruno, Dan -- Vamathevan, Jessica -- Miranda, Molly -- Anderson, Iain J -- Fraser, James A -- Allen, Jonathan E -- Bosdet, Ian E -- Brent, Michael R -- Chiu, Readman -- Doering, Tamara L -- Donlin, Maureen J -- D'Souza, Cletus A -- Fox, Deborah S -- Grinberg, Viktoriya -- Fu, Jianmin -- Fukushima, Marilyn -- Haas, Brian J -- Huang, James C -- Janbon, Guilhem -- Jones, Steven J M -- Koo, Hean L -- Krzywinski, Martin I -- Kwon-Chung, June K -- Lengeler, Klaus B -- Maiti, Rama -- Marra, Marco A -- Marra, Robert E -- Mathewson, Carrie A -- Mitchell, Thomas G -- Pertea, Mihaela -- Riggs, Florenta R -- Salzberg, Steven L -- Schein, Jacqueline E -- Shvartsbeyn, Alla -- Shin, Heesun -- Shumway, Martin -- Specht, Charles A -- Suh, Bernard B -- Tenney, Aaron -- Utterback, Terry R -- Wickes, Brian L -- Wortman, Jennifer R -- Wye, Natasja H -- Kronstad, James W -- Lodge, Jennifer K -- Heitman, Joseph -- Davis, Ronald W -- Fraser, Claire M -- Hyman, Richard W -- AI47087/AI/NIAID NIH HHS/ -- AI48594/AI/NIAID NIH HHS/ -- R01 AI050184/AI/NIAID NIH HHS/ -- R01 AI050184-05/AI/NIAID NIH HHS/ -- R01 HL088905/HL/NHLBI NIH HHS/ -- R01 HL088905-04A2/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2005 Feb 25;307(5713):1321-4. Epub 2005 Jan 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Genomic Research, 9712 Medical Center Drive, Rockville, MD 20850, USA. bjloftus@tigr.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15653466" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Alternative Splicing ; Cell Wall/metabolism ; Chromosomes, Fungal/genetics ; Computational Biology ; Cryptococcus neoformans/*genetics/pathogenicity/physiology ; DNA Transposable Elements ; Fungal Proteins/metabolism ; Gene Library ; Genes, Fungal ; *Genome, Fungal ; Humans ; Introns ; Molecular Sequence Data ; Phenotype ; Polymorphism, Genetic ; Polymorphism, Single Nucleotide ; Polysaccharides/metabolism ; RNA, Antisense ; Sequence Analysis, DNA ; Transcription, Genetic ; Virulence ; Virulence Factors/metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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    AKTUELLE ARTIKEL
  • 2
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    Sequence variants in SLITRK1 are associated with Tourette's syndrome (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2005-10-15
    Beschreibung: Tourette's syndrome (TS) is a genetically influenced developmental neuropsychiatric disorder characterized by chronic vocal and motor tics. We studied Slit and Trk-like 1 (SLITRK1) as a candidate gene on chromosome 13q31.1 because of its proximity to a de novo chromosomal inversion in a child with TS. Among 174 unrelated probands, we identified a frameshift mutation and two independent occurrences of the identical variant in the binding site for microRNA hsa-miR-189. These variants were absent from 3600 control chromosomes. SLITRK1 mRNA and hsa-miR-189 showed an overlapping expression pattern in brain regions previously implicated in TS. Wild-type SLITRK1, but not the frameshift mutant, enhanced dendritic growth in primary neuronal cultures. Collectively, these findings support the association of rare SLITRK1 sequence variants with TS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abelson, Jesse F -- Kwan, Kenneth Y -- O'Roak, Brian J -- Baek, Danielle Y -- Stillman, Althea A -- Morgan, Thomas M -- Mathews, Carol A -- Pauls, David L -- Rasin, Mladen-Roko -- Gunel, Murat -- Davis, Nicole R -- Ercan-Sencicek, A Gulhan -- Guez, Danielle H -- Spertus, John A -- Leckman, James F -- Dure, Leon S 4th -- Kurlan, Roger -- Singer, Harvey S -- Gilbert, Donald L -- Farhi, Anita -- Louvi, Angeliki -- Lifton, Richard P -- Sestan, Nenad -- State, Matthew W -- K23 RR16118/RR/NCRR NIH HHS/ -- R01 NS054273/NS/NINDS NIH HHS/ -- R01 NS43520/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2005 Oct 14;310(5746):317-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Child Study Center, Yale University School of Medicine, New Haven, CT 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16224024" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): 3' Untranslated Regions ; Adolescent ; Animals ; Attention Deficit Disorder with Hyperactivity/complications/genetics ; Brain/metabolism ; Child ; Child, Preschool ; Chromosome Inversion ; Chromosome Mapping ; *Chromosomes, Human, Pair 13 ; Dna ; DNA Mutational Analysis ; Female ; Frameshift Mutation ; Humans ; In Situ Hybridization, Fluorescence ; Male ; Membrane Proteins/*genetics ; Mice ; *Mutation ; Nerve Tissue Proteins/*genetics ; Pedigree ; Sequence Analysis, DNA ; Tourette Syndrome/complications/*genetics
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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    AKTUELLE ARTIKEL
  • 3
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    Heated Promoted Combustion-Initial Test Results (2005)
    In:  CASI
    Details
    Publikationsdatum: 2019-07-13
    Beschreibung: The purpose of the STD 6001 test 17 is to determine the flammability of materials in GOX at ambient temperature and at use pressure. The purpose of the new Heated Promoted combustion test is to determine the flammability of material in GOX at use temperature and pressure. The objective is to present the new heated promoted combustion method and show initial data and trends for three representative metals.
    Schlagwort(e): Spacecraft Propulsion and Power
    Materialart: National Space and Missile Materials Symposium; Jun 27, 2005 - Jul 01, 2005; Summerlin, NV; United States
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 4
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    Analysis Of Surface Charging For A Candidate Solar Sail Mission Using Nascap-2k (2005)
    In:  CASI
    Details
    Publikationsdatum: 2019-07-13
    Beschreibung: The characterization of the electromagnetic interaction for a solar sail in the solar wind environment, and identification of viable charging mitigation strategies, is a critical solar sail mission design task, as spacecraft charging has important implications both for science applications and for sail lifetime. To that end, we have performed surface charging calculations of a candidate 150-meter-class solar sail spacecraft for the 0.5 solar polar orbit and a 1.0 AU L1 orbit. We construct a model of the spacecraft with candidate materials having appropriate electrical properties using Object Toolkit and perform the spacecraft charging analysis using NASCAP-2k, the NASA/AFRL sponsored spacecraft charging analysis tool. We use nominal and atypical solar wind environments appropriate for the 0.5 AU and 1.0 AU missions to establish current collection of solar wind ions and electrons. In addition, we include a geostationary orbit case to demonstrate a bounding example of extreme (negative) charging of a solar sail spacecraft in the geostationary orbit environment. Results form the charging analysis demonstrate that minimal differential potentials (and resulting threat of electrostatic discharge) occur when the spacecraft is constructed entirely of conducting materials, as expected. Examples with dielectric materials exposed to the space environment exhibit differential potentials ranging from a few volts to extreme potentials in the kilovolt range.
    Schlagwort(e): Spacecraft Propulsion and Power
    Materialart: 9th Spacecraft Charging Technology Conference; Apr 04, 2005 - Apr 08, 2005; Tsukuba; Japan
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 5
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    Analysis of Surface Charging for a Candidate Solar Sail Mission Using Nascap-2k (2005)
    In:  CASI
    Details
    Publikationsdatum: 2019-07-13
    Beschreibung: The characterization of the electromagnetic interaction for a solar sail in the solar wind environment and identification of viable charging mitigation strategies are critical solar sail mission design task. Spacecraft charging has important implications both for science applications and for lifetime and reliability issues of sail propulsion systems. To that end, surface charging calculations of a candidate 150-meter-class solar sail spacecraft for the 0.5 AU solar polar and 1.0 AU L1 solar wind environments are performed. A model of the spacecraft with candidate materials having appropriate electrical properties is constructed using Object Toolkit. The spacecraft charging analysis is performed using Nascap-2k, the NASA/AFRL sponsored spacecraft charging analysis tool. Nominal and atypical solar wind environments appropriate for the 0.5 AU and 1.0 AU missions are used to establish current collection of solar wind ions and electrons. Finally, a geostationary orbit environment case is included to demonstrate a bounding example of extreme (negative) charging of a solar sail spacecraft. Results from the charging analyses demonstrate that minimal differential potentials (and resulting threat of electrostatic discharge) occur when the spacecraft is constructed entirely of conducting materials, as anticipated from standard guidelines for mitigation of spacecraft charging issues. Examples with dielectric materials exposed to the space environment exhibit differential potentials ranging from a few volts to extreme potentials in the kilovolt range.
    Schlagwort(e): Spacecraft Propulsion and Power
    Materialart: Solar Sail Technology and Applications Conference; Apr 04, 2005 - Apr 08, 2005; Greenbelt, MD; United States
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 6
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    An Overview of Power Capability Requirements for Exploration Missions (2005)
    In:  CASI
    Details
    Publikationsdatum: 2019-07-13
    Beschreibung: Advanced power is one of the key capabilities that will be needed to achieve NASA's missions of exploration and scientific advancement. Significant gaps exist in advanced power capabilities that are on the critical path to enabling human exploration beyond Earth orbit and advanced robotic exploration of the solar system. Focused studies and investment are needed to answer key development issues for all candidate technologies before down-selection. The viability of candidate power technology alternatives will be a major factor in determining what exploration mission architectures are possible. Achieving the capabilities needed to enable the CEV, Moon, and Mars missions is dependent on adequate funding. Focused investment in advanced power technologies for human and robotic exploration missions is imperative now to reduce risk and to make informed decisions on potential exploration mission decisions beginning in 2008. This investment would begin the long lead-time needed to develop capabilities for human exploration missions in the 2015 to 2030 timeframe. This paper identifies some of the key technologies that will be needed to fill these power capability gaps. Recommendations are offered to address capability gaps in advanced power for Crew Exploration Vehicle (CEV) power, surface nuclear power systems, surface mobile power systems, high efficiency power systems, and space transportation power systems. These capabilities fill gaps that are on the critical path to enabling robotic and human exploration missions. The recommendations address the following critical technology areas: Energy Conversion, Energy Storage, and Power Management and Distribution.
    Schlagwort(e): Spacecraft Propulsion and Power
    Materialart: NASA/TM-2005-213600 , AIAA Paper 2005-2786 , E-15067 , First Space Exploration Conference: Continuing the Voyage of Discovery; Jan 30, 2005 - Feb 01, 2005; Orlando, FL; United States
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
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