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  • 1
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    Herschel protocluster survey: a search for dusty star-forming galaxies in protoclusters at z = 2-3 (2016)
    Oxford University Press
    Details
    Publication Date: 2016-06-26
    Description: We present a Herschel /Spectral and Photometric Imaging Receiver (SPIRE) survey of three protoclusters at z = 2–3 (2QZCluster, HS1700, SSA22). Based on the SPIRE colours ( S 350 / S 250 and S 500 / S 350 ) of 250 μm sources, we selected high-redshift dusty star-forming galaxies potentially associated with the protoclusters. In the 2QZCluster field, we found a 4 overdensity of six SPIRE sources around 4.5 arcmin (~2.2 Mpc) from a density peak of H α emitters at z = 2.2. In the HS1700 field, we found a 5 overdensity of eight SPIRE sources around 2.1 arcmin (~1.0 Mpc) from a density peak of Lyman-break galaxies at z = 2.3. We did not find any significant overdensities in SSA22 field, but we found three 500 μm sources are concentrated 3 arcmin (~1.4 Mpc) east to the Ly α emitters overdensity. If all the SPIRE sources in these three overdensities are associated with protoclusters, the inferred star formation rate densities are 10 3 –10 4 times higher than the average value at the same redshifts. This suggests that dusty star formation activity could be very strongly enhanced in z ~ 2–3 protoclusters. Further observations are needed to confirm the redshifts of the SPIRE sources and to investigate what processes enhance the dusty star formation activity in z ~ 2–3 protoclusters.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press
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  • 2
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    THOC5 controls 3'end-processing of immediate early genes via interaction with polyadenylation specific factor 100 (CPSF100) (2014)
    Oxford University Press
    Details
    Publication Date: 2014-11-07
    Description: Transcription of immediate early genes (IEGs) in response to extrinsic and intrinsic signals is tightly regulated at multiple stages. It is known that untranslated regions of the RNA can play a role in these processes. Here we show that THOC5, a member of the TREX (transcription/export) complex, plays a role in expression of only a subset of constitutively active genes, however transcriptome analysis reveals that more than 90% of IEG were not induced by serum in THOC5 depleted cells. Furthermore, THOC5 depletion does not influence the expression of the most rapidly induced IEGs, e.g. Fos and Jun . One group of THOC5 target genes, including Id1 , Id3 and Wnt11 transcripts, were not released from chromatin in THOC5 depleted cells. Genes in another group, including Myc and Smad7 transcripts, were released with shortening of 3'UTR by alternative cleavage, and were spliced but export was impaired in THOC5 depleted cells. By interactome analysis using THOC5 as bait, we show that upon stimulation with serum THOC5 forms a complex with polyadenylation-specific factor 100 (CPSF100). THOC5 is required for recruitment of CPSF100 to 3'UTR of THOC5 target genes. These data suggest the presence of a novel mechanism for the control of IEG response by THOC5 via 3'end-processing.
    Print ISSN: 0305-1048
    Electronic ISSN: 1362-4962
    Topics: Biology
    Published by Oxford University Press
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  • 3
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    MEGA-MD: molecular evolutionary genetics analysis software with mutational diagnosis of amino acid variation (2014)
    Oxford University Press
    Details
    Publication Date: 2014-04-25
    Description: : Computational diagnosis of amino acid variants in the human exome is the first step in assessing the disruptive impacts of non-synonymous single nucleotide variants (nsSNVs) on human health and disease. The Molecular Evolutionary Genetics Analysis software with mutational diagnosis (MEGA-MD) is a suite of tools developed to forecast the deleteriousness of nsSNVs using multiple methods and to explore nsSNVs in the context of the variability permitted in the long-term evolution of the affected position. In its graphical interface for use on desktops, it enables interactive computational diagnosis and evolutionary exploration of nsSNVs. As a web service, MEGA-MD is suitable for diagnosing variants on an exome scale. The MEGA-MD suite intends to serve the needs for conducting low- and high-throughput analysis of nsSNVs in diverse applications. Availability: www.megasoftware.net/mega-md and www.mypeg.info Contact: s.kumar@asu.edu
    Print ISSN: 1367-4803
    Electronic ISSN: 1460-2059
    Topics: Biology , Computer Science , Medicine
    Published by Oxford University Press
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  • 4
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    In vitro and in vivo characterization of new swine-origin H1N1 influenza viruses (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-08-13
    Description: Influenza A viruses cause recurrent outbreaks at local or global scale with potentially severe consequences for human health and the global economy. Recently, a new strain of influenza A virus was detected that causes disease in and transmits among humans, probably owing to little or no pre-existing immunity to the new strain. On 11 June 2009 the World Health Organization declared that the infections caused by the new strain had reached pandemic proportion. Characterized as an influenza A virus of the H1N1 subtype, the genomic segments of the new strain were most closely related to swine viruses. Most human infections with swine-origin H1N1 influenza viruses (S-OIVs) seem to be mild; however, a substantial number of hospitalized individuals do not have underlying health issues, attesting to the pathogenic potential of S-OIVs. To achieve a better assessment of the risk posed by the new virus, we characterized one of the first US S-OIV isolates, A/California/04/09 (H1N1; hereafter referred to as CA04), as well as several other S-OIV isolates, in vitro and in vivo. In mice and ferrets, CA04 and other S-OIV isolates tested replicate more efficiently than a currently circulating human H1N1 virus. In addition, CA04 replicates efficiently in non-human primates, causes more severe pathological lesions in the lungs of infected mice, ferrets and non-human primates than a currently circulating human H1N1 virus, and transmits among ferrets. In specific-pathogen-free miniature pigs, CA04 replicates without clinical symptoms. The assessment of human sera from different age groups suggests that infection with human H1N1 viruses antigenically closely related to viruses circulating in 1918 confers neutralizing antibody activity to CA04. Finally, we show that CA04 is sensitive to approved and experimental antiviral drugs, suggesting that these compounds could function as a first line of defence against the recently declared S-OIV pandemic.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2748827/" 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/PMC2748827/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Itoh, Yasushi -- Shinya, Kyoko -- Kiso, Maki -- Watanabe, Tokiko -- Sakoda, Yoshihiro -- Hatta, Masato -- Muramoto, Yukiko -- Tamura, Daisuke -- Sakai-Tagawa, Yuko -- Noda, Takeshi -- Sakabe, Saori -- Imai, Masaki -- Hatta, Yasuko -- Watanabe, Shinji -- Li, Chengjun -- Yamada, Shinya -- Fujii, Ken -- Murakami, Shin -- Imai, Hirotaka -- Kakugawa, Satoshi -- Ito, Mutsumi -- Takano, Ryo -- Iwatsuki-Horimoto, Kiyoko -- Shimojima, Masayuki -- Horimoto, Taisuke -- Goto, Hideo -- Takahashi, Kei -- Makino, Akiko -- Ishigaki, Hirohito -- Nakayama, Misako -- Okamatsu, Masatoshi -- Takahashi, Kazuo -- Warshauer, David -- Shult, Peter A -- Saito, Reiko -- Suzuki, Hiroshi -- Furuta, Yousuke -- Yamashita, Makoto -- Mitamura, Keiko -- Nakano, Kunio -- Nakamura, Morio -- Brockman-Schneider, Rebecca -- Mitamura, Hiroshi -- Yamazaki, Masahiko -- Sugaya, Norio -- Suresh, M -- Ozawa, Makoto -- Neumann, Gabriele -- Gern, James -- Kida, Hiroshi -- Ogasawara, Kazumasa -- Kawaoka, Yoshihiro -- HHNSN266200700010C/NS/NINDS NIH HHS/ -- HHSN266200700010C/PHS HHS/ -- HHSN272200800060C/AI/NIAID NIH HHS/ -- R01 AI069274/AI/NIAID NIH HHS/ -- R01 AI069274-04/AI/NIAID NIH HHS/ -- U19 AI070503/AI/NIAID NIH HHS/ -- England -- Nature. 2009 Aug 20;460(7258):1021-5. doi: 10.1038/nature08260.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Shiga University of Medical Science, Ohtsu, Shiga 520-2192, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19672242" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Viral/immunology ; Antiviral Agents/pharmacology ; Cell Line ; Dogs ; Female ; Ferrets/virology ; HN Protein/metabolism ; Humans ; Influenza A Virus, H1N1 Subtype/drug effects/enzymology/pathogenicity/*physiology ; Lung/immunology/pathology/virology ; Macaca fascicularis/immunology/virology ; Male ; Mice ; Mice, Inbred BALB C ; Neutralization Tests ; Orthomyxoviridae Infections/immunology/transmission/virology ; Primate Diseases/pathology/virology ; Swine/*virology ; Swine Diseases/pathology/virology ; Swine, Miniature/virology ; Virus Replication
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 5
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    MEGA-CC: computing core of molecular evolutionary genetics analysis program for automated and iterative data analysis (2012)
    Oxford University Press
    Details
    Publication Date: 2012-10-11
    Description: : There is a growing need in the research community to apply the molecular evolutionary genetics analysis (MEGA) software tool for batch processing a large number of datasets and to integrate it into analysis workflows. Therefore, we now make available the computing core of the MEGA software as a stand-alone executable (MEGA-CC), along with an analysis prototyper (MEGA-Proto). MEGA-CC provides users with access to all the computational analyses available through MEGA’s graphical user interface version. This includes methods for multiple sequence alignment, substitution model selection, evolutionary distance estimation, phylogeny inference, substitution rate and pattern estimation, tests of natural selection and ancestral sequence inference. Additionally, we have upgraded the source code for phylogenetic analysis using the maximum likelihood methods for parallel execution on multiple processors and cores. Here, we describe MEGA-CC and outline the steps for using MEGA-CC in tandem with MEGA-Proto for iterative and automated data analysis. Availability: http://www.megasoftware.net/ Contact: s.kumar@asu.edu
    Print ISSN: 1367-4803
    Electronic ISSN: 1460-2059
    Topics: Biology , Computer Science , Medicine
    Published by Oxford University Press
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  • 6
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    Authigenic Mineral Textures in Submarine 1979 Basalt Drill Core, Surtsey Volcano, Iceland (2019)
    Wiley
    Details
    Publication Date: 2019
    Description: Abstract Micrometer‐scale maps of authigenic microstructures in submarine basaltic tuff from a 1979 Surtsey volcano, Iceland, drill core acquired 15 years after eruptions terminated describe the initial alteration of oceanic basalt in a low temperature hydrothermal system. An integrative investigative approach uses synchrotron source X‐ray microdiffraction (μXRD), microfluoresence (μXRF), micro‐computed tomography (μCT), and scanning transmission electron microscopy (S/TEM) coupled with Raman spectroscopy to create finely resolved spatial frameworks that record a continuum of alteration in glass and olivine. Micro‐analytical maps of vesicular and fractured lapilli in specimens from 157.1, 137.9, and 102.6 m depth, and borehole temperatures of 83, 93.9 and 141.3 °C measured in 1980, respectively, describe the production of nanocrystalline clay mineral, zeolites, and Al‐tobermorite in diverse microenvironments. Irregular alteration fronts at 157.1 m depth resemble microchannels associated with biological activity in older basalts. By contrast, linear microstructures with little resemblance to previously described alteration features have nanocrystalline clay mineral (nontronite) and zeolite (amicite) texture. The crystallographic preferred orientation rotates around an axis parallel to the linear feature. Raman spectra indicating degraded and poorly‐ordered carbonaceous matter of possible biological origin are associated with nanocrystalline clay mineral in a crystallographically‐oriented linear microstructure in altered olivine at 102.6 m and with sub‐circular nanoscale cavities in altered glass at 137.9 m depth. Although evidence for biotic processes is inconclusive, the integrated analyses describe the complex organization of previously unrecognized mineral texture in very young basalt. They provide a foundational mineralogical reference for longitudinal, time‐lapse characterizations of palagonitized basalt in oceanic environments.
    Electronic ISSN: 1525-2027
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 7
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    Tunneling effect of chiral triplet superconductors (2005)
    Elsevier
    Details
    Publication Date: 2005-08-01
    Print ISSN: 0022-3697
    Electronic ISSN: 1879-2553
    Topics: Chemistry and Pharmacology , Physics
    Published by Elsevier
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  • 8
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    CCEM key comparison CCEM.RF-K23.F (2016)
    Institute of Physics
    Details
    Publication Date: 2016-01-01
    Print ISSN: 0026-1394
    Electronic ISSN: 1681-7575
    Topics: Electrical Engineering, Measurement and Control Technology
    Published by Institute of Physics
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