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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 115 (1996), S. 0 
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: By electrophoretic analysis of F2 progenies from crosses among the hexaploid wheat varieties ‘Cajeme 71’, ‘Ablaca’, ‘Anza’ and ‘Pané 247’, two new prolamin loci Gli-D4 and Gli-D5, were mapped on the short arm of chromosome ID. The Gli-D4 locus controls gliadins of type γ and is situated on the short arm of chromosome ID between the centromere and the Gli-D1 locus with a genetic distance of 10.1±2.4 cM from this locus. The Gli-D5 locus controls gliadin type ω and was mapped 3.7 ± 0.8 cM from Gli-Dl and located between Gli-Dl and the telomere.
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 115 (1996), S. 0 
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Two bread wheat cultivars, ‘Ariana 8’ and ‘Cajeme 71’, and 129 F2, grains from the cross between them were analysed for gliadin composition. Two monodimensional (A-PAGE and SDS-PAGE) and two different two-dimensional (SDS-PAGE x SDS-PAGE and A-PAGE x SDS-PAGE) electrophoretic methods were used. Parents differed at the Gli-Al locus, detected by A-PAGE. The SDS-PAGE of the aqueous ethanol extractable protein under nonreduced conditions showed two bands of ‘Ariana 8’ and one of ‘Cajeme 71’, encoded by genes located 22 cM from the Gli-Al locus, and therefore, located at the Gli-A3 locus. This locus has been considered to contain genes coding for ω-gliadins alone. The two-dimensional maps of the parents showed that one band from ‘Ariana 8’ was an ω-gliadin, but the other two bands, one from each parent, were γ-gliadins. Results obtained indicated that GH-A3, like Gli-Al, is a complex locus coding for both ω-and γ-gliadins.
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 115 (1996), S. 0 
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: A study was made of the effects of the Gli-B3/Glu-B2 encoded prolamins on durum-wheat quality. Twenty-six F3 lines from the durum wheat cross ‘Abadia’בMexicali 75’ were analysed electrophoretically for prolamin composition and for the following quality parameters: SDS sedimentation value, mixing properties, and percentage grain protein and percentage vitreous kernels. The results showed that the presence or absence of the Gli-B3/Glu-B2 encoded prolamins did not result in any significant difference in the quality characteristics of the F3 lines; however, as expected, the LMW glutenins encoded at Glu-B3 showed large differences and are therefore the major prolamins influencing durum wheat gluten quality.
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 114 (1995), S. 0 
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The objective of this paper was to study the differences between some prolamin variants coded at the loci Glu-3/Gli-1, Glu-1 and Gli-A2 and their relative roles in durum-wheat quality. F3 lines from four durum wheat crosses (‘Abadia’בMexicali’. ‘Oscar’בArdente’, ‘Oscar × Mexicali’ and ‘Alaga’בC. of Balazote’) were analysed for gliadin and glutenin composition by electrophoresis. Whole-grain-derived samples were analysed for SDS sedimentation (SDSS) value, mixing properties, and contents of protein and vitreousness. The glutenin patterns LMW-2. LMW-2− and LMW-2 (CB) at Glu-B3/Gli-B1 were associated with better gluten quality than were LMW-1 and LMW-2*. The glutenin subunits LMW4 and LMW3 + 15 at Glu-A3/Gli-A1 and HMW-1 showed better mixing properties than LMW7 + 12, LMW5 and the null phenotype. respectively. The HMW glutenin subunits 20 + 8 at Glu-B1 showed a negative association with gluten quality, but the rest of the HMW glutenin subunits and α-gliadins did not show any influence on gluten quality.Correlations between the results of the SDSS test and the mixograph were highly significant, but no correlation was found between these results and protein and vitreousness contents. The results are discussed in relation to the development of durum wheat varieties with improved qualities.
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 117 (1998), S. 0 
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: A collection of 130 cultivars of bread wheat, 332 landraces of bread wheat and 144 spelt wheats was analysed for waxy proteins in the grain. The electrophoretic patterns showed very low polymorphism and most of the hexaploid wheats had the Wx-Ala, Wx-D1a and Wx-B1 alleles of ‘Chinese Spring’. Two alleles were detected at Wx-A1 (Wx-A1a, and Wx-A1b (null)), the latter was present in only 5.1% of the bread wheat landraces and 7.6% ofthe spelt wheats. No allelic variation was found at the Wx-D1 locus and all the hexaploid wheats had the Wx-D1a allele. Wx-B1 was the most polymorphic locus, with three alleles detected: Wx-B1a, Wx-B1b (null) and Wx-Blc coding for a Wx-B1 protein with a slightly different mobility from Wx-B1a. The null Wx-B1b allele was found in 10.8% of the bread wheat cultivars, 21.4% of the bread wheat landraces and 12.5% of the spelt wheats. Among the 604 hexaploid wheats analysed, only two bread wheat landraces (0.6%) and two spelt wheats (1.4%) had the null allele at both Wx-A1 and Wx-B1 loci.
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    International journal of theoretical physics 35 (1996), S. 2013-2018 
    ISSN: 1572-9575
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The spectrum of massless bosonic and fermionic fluids satisfying the equation of statep=(γ−1)ρ is derived using elementary statistical methods. As a limiting case, the Lorentz-invariant spectrum of the vacuum (γ=0,p=−ρ) is deduced. These results are in agreement with our earlier derivation for bosons using thermodynamics and semiclassical considerations.
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Journal of statistical physics 91 (1998), S. 979-990 
    ISSN: 1572-9613
    Keywords: Granular media ; inelastic collisions, kinetic equations ; Fokker–Planck
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We consider a nonlinear Fokker–Planck equation for a one-dimensional granular medium. This is a kinetic approximation of a system of nearly elastic particles in a thermal bath. We prove that homogeneous solutions tend asymptotically in time toward a unique non-Maxwellian stationary distribution.
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    International journal of theoretical physics 38 (1999), S. 2185-2196 
    ISSN: 1572-9575
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We study the influence of boundary conditions on energy levels of interacting fields in a box and discuss some consequences when we hange the size of the box. In order to do this we calculate the energy levels of bound states of a scalar massive field χ nteracting with another scalar field φ through the Lagrangian $$\mathcal{L}_{\operatorname{int} } $$ = $$\frac{3}{2}g\phi ^2 \mathcal{X}^2 $$ 〉 in a one-dimensional box on which we impose Dirichlet boundary conditions. We find that the gap between the bound states changes with the size of the box in a nontrivial way. For the case where the masses of the two fields are equal and for large box the energy levels of Dashen-Hasslacher-Neveu (DHN model) are recovered and we have a kind of boson condensate for the ground state. Below a critical box size $$L \sim 2.93\left( {2\sqrt 2 /M} \right)$$ the ground-state level splits, which we interpret as particle-antiparticle production under small perturbations of box size. Below other critical sizes, $$L \sim \left( {6/10} \right)\left( {2\sqrt 2 /M} \right)$$ and $$L \sim 1.17\left( {2\sqrt 2 /M} \right)$$ , of the box, the ground state and firstexcited state merge in the continuum part of the spectrum.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 55 (1999), S. 487-488 
    ISSN: 1432-1041
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied genetics 93 (1996), S. 295-299 
    ISSN: 1432-2242
    Keywords: Key words Endosperm protein loci ; Isozymes ; Linkage mapping ; Chromosome 1Sl1 ; Aegilops longissima
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The storage proteins and isozymes of two accessions of Aegilops longissima, and the F2 progeny from the cross between them, were analyzed. Six loci were identified on the 1Sl chromosome: Glu-S l 1 (coding for HMW subunits of glutenin), Gpi-S l 1 (coding for a Gpi isozyme), Glu-S l 3 (coding for LMW subunits of glutenin), Gli-S l 1 (coding for gliadins) and two, so far, not described new loci Gli-S l 4 and Gli-S l 5. The Gli-S l 4 locus codes for a ω-gliadin and the Gli-S l 5 codes for a gliadin with mobility in the β-region. The genetical distances found between the six loci allowed the establishment of the following gene order on the 1Sl chromosome: Glu-S l 1– centromere –Gpi-S l 1–Gli-S l 4–Glu-S l 3–Gli-S l 1–Gli-S l 5.
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