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  • 1
    Electronic Resource
    Electronic Resource
    The chromosomal locations of leaf peroxidase genes in hexaploid wheat, rye and barley (1984)
    Springer
    Theoretical and applied genetics 69 (1984), S. 205-210 
    Details
    ISSN: 1432-2242
    Keywords: Hexaploid wheat ; Rye ; Barley ; Leaf peroxidase ; Isozymes ; Isoelectric focusing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Eight leaf peroxidase isozymes were distinguished by IEF in ‘Chinese Spring’. Two genes which control the production of three of these isozymes were located on chromosome arms 1BS and 1DS by nullisomic analysis. These loci probably form part of a homoeoallelic series and have been designated Per-B1 and Per-D1 respectively. Analysis of chromosome 1B short arm terminal deletion stocks indicated that the Per-B1 locus is located between the nucleolar organiser region and another isozyme marker, Hk-B1. Two variant leaf peroxidase phenotypes were distinguished in a small sample of hexaploid wheat varieties. Analysis of wheat-alien addition and substitution lines identified homoeologous loci in rye (Per-R1) and barley (Per-H1).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00272896
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  • 2
    Electronic Resource
    Electronic Resource
    The genetic control of grain esterases in hexaploid wheat (1986)
    Springer
    Theoretical and applied genetics 72 (1986), S. 219-225 
    Details
    ISSN: 1432-2242
    Keywords: Esterase isozymes ; Isoelectric focusing ; Wheat ; Rye ; Barley ; Aegilops ; Agropyron
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A comparison of EST-5 grain esterase phenotypes from wheat-alien amphiploid, addition and substitution genotypes, resolved by flat-bed isoelectric focusing identified homoeologous Est-5 loci on chromosome 3H of Hordeum vulgare, 3Hch of H. chilense, 3Sb of Aegilops bicornis, 3S1 of Ae. sharonensis and Ae. longissima and 6R of Secale cereale and 6Rm of S. montanum. The Est-5 genes in alien species provide evidence for chromosome homoeology with wheat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00266995
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  • 3
    Electronic Resource
    Electronic Resource
    RFLP-based genetic map of rye (Secale cereale L.) chromosome 1R (1991)
    Springer
    Theoretical and applied genetics 82 (1991), S. 174-178 
    Details
    ISSN: 1432-2242
    Keywords: Rye ; Genetic mapping ; RFLP ; Storage protein ; Isozyme
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A map of chromosome 1R of rye was constructed using 16 molecular and biochemical loci. From long arm to short arm, known-function loci were placed in the order: XAdh — XLee — Glu-R1[Sec-3] — XPpdk-1R — XEm-1R-1 — XEm-1R-2 — Centromere — XNor-R1 —Gpi-R1 — XGli-R1 [Sec-1a] along with six anonymous genomic and cDNA clones from wheat. The map, which spans 106 cM with 12 loci clustered in a 15-cM region around the centromere, shows reasonably good agreement with previously published maps for the centromeric region, whereas the XNor-R1 — Gpi-R1 region gives a much larger distance than previously reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00226209
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  • 4
    Electronic Resource
    Electronic Resource
    Comparative RFLP maps of the homoeologous group-2 chromosomes of wheat, rye and barley (1993)
    Springer
    Theoretical and applied genetics 85 (1993), S. 784-792 
    Details
    ISSN: 1432-2242
    Keywords: Wheat ; Rye ; Barley ; RFLP ; Biochemical markers ; Genetic maps
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Genetic maps of the homoeologous group-2 chromosomes were constructed, comprising 114 loci in wheat and 34 loci in rye. These include the genes coding for sucrose synthase, sedoheptulose-1,7-bisphosphatase, a bZIP protein (EmBP-1), a peroxidase and an abscisic acid-induced protein (#7). Overall, gene orders are highly conserved in the genomes of wheat, barley and rye, except for the distal ends of chromosome arms 2BS and 2RS, which are involved in interchromosomal, probably evolutionary, translocations. Clustering of loci in the centromeric regions of the maps, resulting from the concentration of recombination events in the distal chromosomal regions, is observed in wheat and rye, but not in barley. Furthermore, loci for which homoeoloci can be detected in rye and barley tend to lie in the centromeric regions of the maps, while non-homoeologous and wheat-specific loci tend to be more evenly distributed over the genetic maps. Mapping of the group-2 chromosomes in the intervarietal ‘Timgalen’ x ‘RL4137’ cross revealed that the T. timopheevi chromosome segment introgressed into chromosome 2B in ‘Timgalen’ is preferentially transmitted. Recombination is also greatly reduced in that segment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00225020
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  • 5
    Electronic Resource
    Electronic Resource
    Chromosomal rearrangements in the rye genome relative to that of wheat (1993)
    Springer
    Theoretical and applied genetics 85 (1993), S. 673-680 
    Details
    ISSN: 1432-2242
    Keywords: Translocations ; Rye ; RFLP ; Genetic maps ; Comparative mapping ; Co-linearity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary An RFLP-based genetic map of Secale Cereale has provided evidence for multiple evolutionary translocations in the rye genome relative to that of hexaploid wheat. DNA clones which have previously been mapped in wheat indicated that chromosome arms 2RS, 3RL, 4RL, 5RL, 6RS, 6RL, 7RS and 7RL have all been involved in at least one translocation. A possible evolutionary pathway, which accounts for the present day R genome relative to the A, B and D genomes of wheat, is presented. The relevance of these results for strategies designed to transfer useful genes from rye, and probably other related species, to wheat is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00225004
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  • 6
    Electronic Resource
    Electronic Resource
    Location of β-amylase sequences in wheat and its relatives (1988)
    Springer
    Theoretical and applied genetics 75 (1988), S. 286-290 
    Details
    ISSN: 1432-2242
    Keywords: RFLP ; Wheat ; Aegilops ; Rye ; β-Amylase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A β-amylase cDNA clone isolated from barley has been used to locate β-amylase encoding sequences on wheat, rye, and Aegilops umbellulata chromosomes by hybridisation to restriction endonuclease digested DNA obtained from wheat aneuploid and wheat-alien addition lines. Structural genes were identified on homoeologous group 4 and 5 chromosomes, confirming the results of isozyme studies. In addition, a further set of structural genes was found on homoeologous group 2 chromosomes. It is proposed that there are two homoeoallelic series, β-Amy-1 on group 4 or 5 chromosomes, and β-Amy-2 on group 2 chromosomes. Evidence is presented that each locus contains one or two β-amylase structural genes, and it is suggested that the large number of isozymes seen upon IEF are due to post-translational modifications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00303966
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  • 7
    Electronic Resource
    Electronic Resource
    Nonhomoeologous translocations between group 4, 5 and 7 chromosomes within wheat and rye (1992)
    Springer
    Theoretical and applied genetics 83 (1992), S. 305-312 
    Details
    ISSN: 1432-2242
    Keywords: Wheat ; Rye ; RFLP ; Isozymes ; Evolutionary translocations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Genetic maps of wheat chromosome 4A and rye chromosome arm 5RL, and the chromosomal locations of 70 sets of isozyme and molecular homoeoloci have been used to further define the structure of wheat chromosomes 4A, 5A and 7B, and rye chromosomes 4R, 5R and 7R. We provide evidence, for the first time, which is consistent with the presence of an interstitial segment on 4AL originating from 5AL, and of a segment originally from 5RL on 7RS. The evolutionary origins of the present chromosomes are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00224276
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  • 8
    Electronic Resource
    Electronic Resource
    RFLP mapping of genes affecting plant height and growth habit in rye (1993)
    Springer
    Theoretical and applied genetics 85 (1993), S. 1049-1054 
    Details
    ISSN: 1432-2242
    Keywords: RFLP ; Rye ; Dwarfism ; Vernalisation ; Genetic mapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary RFLP mapping of chromosome 5R in the F3 generation of a rye (Secale cereale L.) cross segregating for gibberellic acid (GA3)-insensitive dwarfness (Ct2/ct2) and spring growth habit (Sp1/sp1) identified RFLP loci close to each of these agronomically important genes. The level of RFLP in the segregating population was high, and thus allowed more than half of the RFLP loci to be mapped, despite partial homozygosity in the parental F2 plant. Eight further loci were mapped in an unrelated F2 rye population, and a further two were placed by inference from equivalent genetic maps of related wheat chromosomes, allowing a consensus map of rye chromosome 5R, consisting of 29 points and spanning 129 cM, to be constructed. The location of the ct2 dwarfing gene was shown to be separated from the segment of the primitive 4RL translocated to 5RL, and thus the gene is probably genetically unrelated to the major GA-insensitive Rht genes of wheat located on chromosome arms 4BS and 4DS. The map position of Sp1 is consistent both with those of wheat Vrn1 and Vrn3, present on chromosome arms 5AL and 5DL, respectively, and with barley Sh2 which is distally located on chromosome arm 7L (= 5HL).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00215046
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