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  • 2000-2004  (2)
  • Heterosis  (1)
  • PACS. 03.65.Ud Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.) – 03.67.Lx Quantum computation – 75.10.Jm Quantized spin models  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Identification of a hybrid-specific expressed gene encoding novel RNA-binding protein in wheat seedling leaves using differential display of mRNA (2000)
    Springer
    Molecular genetics and genomics 263 (2000), S. 934-938 
    Details
    ISSN: 1617-4623
    Schlagwort(e): Key words Differential display ; Heterosis ; RNA-binding protein ; Wheat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract A hybrid-specific expressed cDNA fragment, designated as AG5, has been identified in wheat seedling leaves using differential mRNA display. AG5 contains an open reading frame (ORF) encoding 183 amino acid residues. Comparison with amino acid sequences in GenBank revealed that the AG5 protein is homologous to a group of Gly-rich proteins with consensus sequence-type RNA-binding domains (CS-RBD). Structural analysis showed that AG5 protein contains five motifs, including a consensus sequence-type RNA-binding domain near its N-terminus, arginine/aspartic acid repeats and a Gly-rich region in its center, a Cys-X2-Cys-X4-His-X4-Cys (CCHC) zinc finger motif in the Gly-rich region, and TrySer2ArgAsp2Arg repeats towards its C-terminus. Of all previously described RNA-binding proteins, only RZ-1 from tobacco has a similar structure to the AG5 protein, but RZ-1 lacks a TrySer2ArgAsp2Arg repeat motif, indicating that the two proteins may belong to a family of closely related proteins in plants. The possible role of AG5 and its relation to wheat heterosis are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/PL00008693
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  • 2
    Digitale Medien
    Digitale Medien
    Pairwise entanglement in symmetric multi-qubit systems (2002)
    Springer
    The European physical journal 18 (2002), S. 385-391 
    Details
    ISSN: 1434-6079
    Schlagwort(e): PACS. 03.65.Ud Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.) – 03.67.Lx Quantum computation – 75.10.Jm Quantized spin models
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract: For pairs of particles extracted from a symmetric state of N two-level systems, the two-particle density matrix is expressed in terms of expectation values of collective spin operators for the large system. Results are presented for experimentally relevant examples of pure states: Dicke states | S, M〉, spin coherent, and spin squeezed states, where only the symmetric subspace, S = N/2 is populated, and for thermally entangled mixed states populating also lower S values. The entanglement of the extracted pair is then quantified by a calculation of the concurrence, which provides directly the entanglement of formation of the pair.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1140/epjd/e20020045
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