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  • 1
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    Budding yeast Cdc20: a target of the spindle checkpoint (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-07
    Description: The spindle checkpoint regulates the cell division cycle by keeping cells with defective spindles from leaving mitosis. In the two-hybrid system, three proteins that are components of the checkpoint, Mad1, Mad2, and Mad3, were shown to interact with Cdc20, a protein required for exit from mitosis. Mad2 and Mad3 coprecipitated with Cdc20 at all stages of the cell cycle. The binding of Mad2 depended on Mad1 and that of Mad3 on Mad1 and Mad2. Overexpression of Cdc20 allowed cells with a depolymerized spindle or damaged DNA to leave mitosis but did not overcome the arrest caused by unreplicated DNA. Mutants in Cdc20 that were resistant to the spindle checkpoint no longer bound Mad proteins, suggesting that Cdc20 is the target of the spindle checkpoint.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hwang, L H -- Lau, L F -- Smith, D L -- Mistrot, C A -- Hardwick, K G -- Hwang, E S -- Amon, A -- Murray, A W -- New York, N.Y. -- Science. 1998 Feb 13;279(5353):1041-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, University of California at San Francisco, San Francisco, CA 94143-0444, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9461437" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Anaphase ; Anaphase-Promoting Complex-Cyclosome ; Cadherins ; Calcium-Binding Proteins/metabolism ; *Carrier Proteins ; Cdc20 Proteins ; Cdh1 Proteins ; Cell Cycle Proteins/chemistry/genetics/*metabolism ; DNA Damage ; DNA Replication ; Fungal Proteins/chemistry/*metabolism ; Ligases/metabolism ; Mad2 Proteins ; *Mitosis ; Molecular Sequence Data ; Mutation ; Nuclear Proteins/metabolism ; Phosphoproteins/metabolism ; *Repressor Proteins ; Saccharomyces cerevisiae/*cytology/*metabolism ; *Saccharomyces cerevisiae Proteins ; Spindle Apparatus/*metabolism ; *Ubiquitin-Protein Ligase Complexes ; Ubiquitin-Protein Ligases
    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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    Series of phase transitions and multiferroicity in the quasi-two-dimensional spin-12 triangular-lattice antiferromagnet Ba3CoNb2O9 (2014)
    American Physical Society (APS)
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    Publication Date: 2014-03-25
    Description: Author(s): M. Lee, J. Hwang, E. S. Choi, J. Ma, C. R. Dela Cruz, M. Zhu, X. Ke, Z. L. Dun, and H. D. Zhou We have investigated the magnetic and electric ground states of a quasi-two-dimensional triangular lattice antiferromagnet (TLAF), Ba3CoNb2O9, in which the effective spin of Co2+ is 1/2. At zero field, the system undergoes a two-step transition upon cooling at TN2=1.36 K and TN1=1.10 K and enters a ... [Phys. Rev. B 89, 104420] Published Mon Mar 24, 2014
    Keywords: Magnetism
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 3
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    Magnetoelectric effect in NdCrTiO_{5} (2012)
    American Physical Society (APS)
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    Publication Date: 2012-01-14
    Description: Author(s): J. Hwang, E. S. Choi, H. D. Zhou, J. Lu, and P. Schlottmann We have measured the dielectric constant and the pyroelectric current of orthorhombic (space group P b a m ) NdCrTiO 5 polycrystalline samples. The dielectric constant and the pyroelectric current show features associated with ferroelectric transitions at the antiferromagnetic transition temperature ( T N ... [Phys. Rev. B 85, 024415] Published Fri Jan 13, 2012
    Keywords: Magnetism
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 4
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    Magnetic transitions and magnetodielectric effect in antiferromagnet SrNdFeO_{4} (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-06-26
    Description: Author(s): J. Hwang, E. S. Choi, H. D. Zhou, Y. Xin, J. Lu, and P. Schlottmann We investigated the magnetic phase diagram of single crystals of SrNdFeO 4 by measuring the magnetic properties, the specific heat and the dielectric permittivity. The system has two magnetically active ions, Fe 3+ and Nd 3+ . The Fe 3+ spins are antiferromagnetically ordered below 360 K with the moments... [Phys. Rev. B 85, 224429] Published Mon Jun 25, 2012
    Keywords: Magnetism
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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