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  • 1
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    Optical Diode Effect at Spin-Wave Excitations of the Room-Temperature Multiferroic BiFeO_{3} (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-09-17
    Description: Author(s): I. Kézsmárki, U. Nagel, S. Bordács, R. S. Fishman, J. H. Lee, Hee Taek Yi, S.-W. Cheong, and T. Rõõm Multiferroics permit the magnetic control of the electric polarization and the electric control of the magnetization. These static magnetoelectric (ME) effects are of enormous interest: The ability to read and write a magnetic state current-free by an electric voltage would provide a huge technologi… [Phys. Rev. Lett. 115, 127203] Published Tue Sep 15, 2015
    Keywords: Condensed Matter: Electronic Properties, etc.
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
    Published by American Physical Society (APS)
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  • 2
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    Mirage Andreev Spectra Generated by Mesoscopic Leads in Nanowire Quantum Dots (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-09-21
    Description: Author(s): Z. Su, A. Zarassi, J.-F. Hsu, P. San-Jose, E. Prada, R. Aguado, E. J. H. Lee, S. Gazibegovic, R. L. M. Op het Veld, D. Car, S. R. Plissard, M. Hocevar, M. Pendharkar, J. S. Lee, J. A. Logan, C. J. Palmstrøm, E. P. A. M. Bakkers, and S. M. Frolov We study transport mediated by Andreev bound states formed in InSb nanowire quantum dots. Two kinds of superconducting source and drain contacts are used: epitaxial Al/InSb devices exhibit a doubling of tunneling resonances, while, in NbTiN / InSb devices, Andreev spectra of the dot appear to be repli... [Phys. Rev. Lett. 121, 127705] Published Thu Sep 20, 2018
    Keywords: Condensed Matter: Electronic Properties, etc.
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
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  • 3
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    Direct activation of the ATM protein kinase by the Mre11/Rad50/Nbs1 complex (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-04-06
    Description: The complex containing the Mre11, Rad50, and Nbs1 proteins (MRN) is essential for the cellular response to DNA double-strand breaks, integrating DNA repair with the activation of checkpoint signaling through the protein kinase ATM (ataxia telangiectasia mutated). We demonstrate that MRN stimulates the kinase activity of ATM in vitro toward its substrates p53, Chk2, and histone H2AX. MRN makes multiple contacts with ATM and appears to stimulate ATM activity by facilitating the stable binding of substrates. Phosphorylation of Nbs1 is critical for MRN stimulation of ATM activity toward Chk2, but not p53. Kinase-deficient ATM inhibits wild-type ATM phosphorylation of Chk2, consistent with the dominant-negative effect of kinase-deficient ATM in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, Ji-Hoon -- Paull, Tanya T -- CA94008/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2004 Apr 2;304(5667):93-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics and Microbiology, Institute of Cellular and Molecular Biology, University of Texas at Austin, 1 University Station, A4800, Austin, TX 78712, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15064416" target="_blank"〉PubMed〈/a〉
    Keywords: Ataxia Telangiectasia/genetics ; Ataxia Telangiectasia Mutated Proteins ; Cell Cycle Proteins/genetics/*metabolism ; Checkpoint Kinase 2 ; DNA/metabolism ; *DNA Repair Enzymes ; DNA-Binding Proteins/*metabolism ; Enzyme Activation ; Histones/metabolism ; Humans ; Mutation ; Mutation, Missense ; Nuclear Proteins/genetics/*metabolism ; Phosphorylation ; Protein Binding ; Protein-Serine-Threonine Kinases/genetics/*metabolism ; Recombinant Proteins/metabolism ; Tumor Suppressor Protein p53/metabolism ; Tumor Suppressor Proteins
    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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    ATM activation by DNA double-strand breaks through the Mre11-Rad50-Nbs1 complex (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-03-26
    Description: The ataxia-telangiectasia mutated (ATM) kinase signals the presence of DNA double-strand breaks in mammalian cells by phosphorylating proteins that initiate cell-cycle arrest, apoptosis, and DNA repair. We show that the Mre11-Rad50-Nbs1 (MRN) complex acts as a double-strand break sensor for ATM and recruits ATM to broken DNA molecules. Inactive ATM dimers were activated in vitro with DNA in the presence of MRN, leading to phosphorylation of the downstream cellular targets p53 and Chk2. ATM autophosphorylation was not required for monomerization of ATM by MRN. The unwinding of DNA ends by MRN was essential for ATM stimulation, which is consistent with the central role of single-stranded DNA as an evolutionarily conserved signal for DNA damage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, Ji-Hoon -- Paull, Tanya T -- CA094008/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2005 Apr 22;308(5721):551-4. Epub 2005 Mar 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics and Microbiology, Institute of Cellular and Molecular Biology, University of Texas at Austin, 1 University Station, A4800, Austin, TX 78712, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15790808" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Substitution ; Ataxia Telangiectasia Mutated Proteins ; Cell Cycle Proteins/chemistry/genetics/*metabolism ; Cell Line ; DNA/chemistry/*metabolism ; *DNA Damage ; DNA Repair ; DNA Repair Enzymes/genetics/*metabolism ; DNA, Single-Stranded/metabolism ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Dimerization ; Enzyme Activation ; Humans ; Mutation ; Nuclear Proteins/genetics/*metabolism ; Nucleic Acid Conformation ; Phosphorylation ; Protein Binding ; Protein-Serine-Threonine Kinases/chemistry/*metabolism ; Recombinant Proteins/metabolism ; Serine ; Signal Transduction ; Transfection ; Tumor Suppressor Proteins/chemistry/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Accurate whole-genome sequencing and haplotyping from 10 to 20 human cells (2012)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2012-07-13
    Description: Recent advances in whole-genome sequencing have brought the vision of personal genomics and genomic medicine closer to reality. However, current methods lack clinical accuracy and the ability to describe the context (haplotypes) in which genome variants co-occur in a cost-effective manner. Here we describe a low-cost DNA sequencing and haplotyping process, long fragment read (LFR) technology, which is similar to sequencing long single DNA molecules without cloning or separation of metaphase chromosomes. In this study, ten LFR libraries were made using only approximately 100 picograms of human DNA per sample. Up to 97% of the heterozygous single nucleotide variants were assembled into long haplotype contigs. Removal of false positive single nucleotide variants not phased by multiple LFR haplotypes resulted in a final genome error rate of 1 in 10 megabases. Cost-effective and accurate genome sequencing and haplotyping from 10-20 human cells, as demonstrated here, will enable comprehensive genetic studies and diverse clinical applications.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3397394/" 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/PMC3397394/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peters, Brock A -- Kermani, Bahram G -- Sparks, Andrew B -- Alferov, Oleg -- Hong, Peter -- Alexeev, Andrei -- Jiang, Yuan -- Dahl, Fredrik -- Tang, Y Tom -- Haas, Juergen -- Robasky, Kimberly -- Zaranek, Alexander Wait -- Lee, Je-Hyuk -- Ball, Madeleine Price -- Peterson, Joseph E -- Perazich, Helena -- Yeung, George -- Liu, Jia -- Chen, Linsu -- Kennemer, Michael I -- Pothuraju, Kaliprasad -- Konvicka, Karel -- Tsoupko-Sitnikov, Mike -- Pant, Krishna P -- Ebert, Jessica C -- Nilsen, Geoffrey B -- Baccash, Jonathan -- Halpern, Aaron L -- Church, George M -- Drmanac, Radoje -- P50 HG005550/HG/NHGRI NIH HHS/ -- P50HG005550/HG/NHGRI NIH HHS/ -- England -- Nature. 2012 Jul 11;487(7406):190-5. doi: 10.1038/nature11236.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Complete Genomics, Inc., 2071 Stierlin Court, Mountain View, California 94043, USA. bpeters@completegenomics.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22785314" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Cell Line ; Female ; Gene Silencing ; Genetic Variation ; *Genome, Human ; Genomics/*methods ; Haplotypes ; Humans ; Mutation ; Reproducibility of Results ; Sequence Analysis, DNA/economics/*methods/standards
    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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  • 6
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    Evolutionarily assembled cis-regulatory module at a human ciliopathy locus (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-01-28
    Description: Neighboring genes are often coordinately expressed within cis-regulatory modules, but evidence that nonparalogous genes share functions in mammals is lacking. Here, we report that mutation of either TMEM138 or TMEM216 causes a phenotypically indistinguishable human ciliopathy, Joubert syndrome. Despite a lack of sequence homology, the genes are aligned in a head-to-tail configuration and joined by chromosomal rearrangement at the amphibian-to-reptile evolutionary transition. Expression of the two genes is mediated by a conserved regulatory element in the noncoding intergenic region. Coordinated expression is important for their interdependent cellular role in vesicular transport to primary cilia. Hence, during vertebrate evolution of genes involved in ciliogenesis, nonparalogous genes were arranged to a functional gene cluster with shared regulatory elements.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3671610/" 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/PMC3671610/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, Jeong Ho -- Silhavy, Jennifer L -- Lee, Ji Eun -- Al-Gazali, Lihadh -- Thomas, Sophie -- Davis, Erica E -- Bielas, Stephanie L -- Hill, Kiley J -- Iannicelli, Miriam -- Brancati, Francesco -- Gabriel, Stacey B -- Russ, Carsten -- Logan, Clare V -- Sharif, Saghira Malik -- Bennett, Christopher P -- Abe, Masumi -- Hildebrandt, Friedhelm -- Diplas, Bill H -- Attie-Bitach, Tania -- Katsanis, Nicholas -- Rajab, Anna -- Koul, Roshan -- Sztriha, Laszlo -- Waters, Elizabeth R -- Ferro-Novick, Susan -- Woods, C Geoffrey -- Johnson, Colin A -- Valente, Enza Maria -- Zaki, Maha S -- Gleeson, Joseph G -- DK068306/DK/NIDDK NIH HHS/ -- DK072301/DK/NIDDK NIH HHS/ -- DK075972/DK/NIDDK NIH HHS/ -- DK090917/DK/NIDDK NIH HHS/ -- EY021872/EY/NEI NIH HHS/ -- G0700073/Medical Research Council/United Kingdom -- GGP08145/Telethon/Italy -- HD042601/HD/NICHD NIH HHS/ -- NS04843/NS/NINDS NIH HHS/ -- NS052455/NS/NINDS NIH HHS/ -- P30 CA023100/CA/NCI NIH HHS/ -- P30NS047101/NS/NINDS NIH HHS/ -- R01 DK068306/DK/NIDDK NIH HHS/ -- R01 DK072301/DK/NIDDK NIH HHS/ -- R01 DK075972/DK/NIDDK NIH HHS/ -- R01 EY021872/EY/NEI NIH HHS/ -- R01 HD042601/HD/NICHD NIH HHS/ -- R01 NS048453/NS/NINDS NIH HHS/ -- R01 NS052455/NS/NINDS NIH HHS/ -- U54 HG003067/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2012 Feb 24;335(6071):966-9. doi: 10.1126/science.1213506. Epub 2012 Jan 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurogenetics Laboratory, Howard Hughes Medical Institute (HHMI), Department of Neurosciences, University of California, San Diego, CA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22282472" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Cerebellar Diseases/*genetics/metabolism/pathology ; Cilia/metabolism/*ultrastructure ; Conserved Sequence ; DNA, Intergenic ; *Evolution, Molecular ; Eye Abnormalities/*genetics/metabolism/pathology ; Gene Expression Profiling ; *Gene Expression Regulation ; Genetic Heterogeneity ; *Genetic Loci ; Humans ; Kidney Diseases, Cystic/*genetics/metabolism/pathology ; Membrane Proteins/chemistry/*genetics/metabolism ; Molecular Sequence Data ; Multigene Family ; Mutation ; Mutation, Missense ; Phenotype ; Protein Transport ; *Regulatory Sequences, Nucleic Acid ; Retina/abnormalities/metabolism/pathology ; Transport Vesicles/metabolism/ultrastructure
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Regulation of temperature-responsive flowering by MADS-box transcription factor repressors (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-14
    Description: Changes in ambient temperature affect flowering time in plants; understanding this phenomenon will be crucial for buffering agricultural systems from the effects of climate change. Here, we show that levels of FLM-beta, an alternatively spliced form of the flowering repressor FLOWERING LOCUS M, increase at lower temperatures, repressing flowering. FLM-beta interacts with SHORT VEGETATIVE PHASE (SVP); SVP is degraded at high temperatures, reducing the abundance of the SVP-FLM-beta repressor complex and, thus, allowing the plant to flower. The svp and flm mutants show temperature-insensitive flowering in different temperature ranges. Control of SVP-FLM-beta repressor complex abundance via transcriptional and splicing regulation of FLM and posttranslational regulation of SVP protein stability provides an efficient, rapid mechanism for plants to respond to ambient temperature changes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, Jeong Hwan -- Ryu, Hak-Seung -- Chung, Kyung Sook -- Pose, David -- Kim, Soonkap -- Schmid, Markus -- Ahn, Ji Hoon -- New York, N.Y. -- Science. 2013 Nov 1;342(6158):628-32. doi: 10.1126/science.1241097. Epub 2013 Sep 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Creative Research Initiatives, Department of Life Sciences, Korea University, Seoul 136-701, South Korea.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24030492" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Arabidopsis/genetics/*growth & development/metabolism ; Arabidopsis Proteins/genetics/*metabolism ; Flowers/genetics/*growth & development/metabolism ; Gene Expression Regulation, Plant ; MADS Domain Proteins/genetics/*metabolism ; Molecular Sequence Data ; Mutation ; Repressor Proteins/genetics/*metabolism ; Temperature ; Transcription Factors/genetics/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Zero-Bias Anomaly in a Nanowire Quantum Dot Coupled to Superconductors (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-11-01
    Description: Author(s): Eduardo J. H. Lee, Xiaocheng Jiang, Ramón Aguado, Georgios Katsaros, Charles M. Lieber, and Silvano De Franceschi We studied the low-energy states of spin-1/2 quantum dots defined in InAs/InP nanowires and coupled to aluminum superconducting leads. By varying the superconducting gap Δ with a magnetic field B we investigated the transition from strong coupling Δ ≪ T K to weak-coupling Δ ≫ T K , where T K is the Kondo te... [Phys. Rev. Lett. 109, 186802] Published Wed Oct 31, 2012
    Keywords: Condensed Matter: Electronic Properties, etc.
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
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  • 9
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    Coupled Magnetic Cycloids in Multiferroic TbMnO_{3} and Eu_{3/4} Y_{1/4} MnO_{3} (2011)
    American Physical Society (APS)
    Details
    Publication Date: 2011-01-26
    Description: Author(s): Hoyoung Jang, J.-S. Lee, K.-T. Ko, W.-S. Noh, T. Y. Koo, J.-Y. Kim, K.-B. Lee, J.-H. Park, C. L. Zhang, Sung Baek Kim, and S.-W. Cheong Based on the detailed Mn L_{2,3} -edge x-ray resonant scattering results, we report a new complexity in the magnetic order of multiferroic orthomangnites, which has been considered as the simple A-type cycloid order inducing ferroelectricity. The Dzyaloshinskii-Moriya interaction involved in the ort... [Phys. Rev. Lett. 106, 047203] Published Tue Jan 25, 2011
    Keywords: Condensed Matter: Electronic Properties, etc.
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    Electronic ISSN: 1079-7114
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  • 10
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    Origin of First-Order-Type Electronic and Structural Transitions in IrTe_{2} (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-04-01
    Description: Author(s): Kyoo Kim, Sooran Kim, K.-T. Ko, Hwangho Lee, J.-H. Park, J. J. Yang, S.-W. Cheong, and B. I. Min The microscopic origin of the first order electronic and structural transitions in IrTe 2 , a candidate for a new topological superconductor, have been elucidated providing insight into its intriguing structural properties. [Phys. Rev. Lett. 114, 136401] Published Tue Mar 31, 2015
    Keywords: Condensed Matter: Electronic Properties, etc.
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
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