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  • Chromosome nomenclature  (1)
  • DNA: DNA in situ DNA hybridization  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Rye cytology, cytogenetics and genetics — current status (1986)
    Springer
    Theoretical and applied genetics 72 (1986), S. 721-734 
    Details
    ISSN: 1432-2242
    Keywords: Nuclear cytology ; C-banding ; Chromosome nomenclature ; Gene localization ; Trisomies ; Rye
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Progress in rye karyology is reviewed with respect to chromosome structure, recognition and chromosome nomenclature. Considerable contributions have been brought about by molecular techniques which have even revealed nucleotide sequences of some of the ribosomal DNA. DNA sequence organization correlates with the distribution of major Giemsa C-band regions as well as with N-bands and the binding sites of fluorescent dyes. The several banding patterns permit the classification of rye chromosomes. The increased data and widespread application of banding analysis require a consistent system of chromosome and/or band designation. Therefore, a standard band nomenclature is proposed with reference to the recommendations of the “Paris Conference on Standardization in Human Cytogenetics”. In addition, advances in genetics are summarized and discussed. Based on the original accepted standard karyogram and banding patterns of the rye chromosomes, meanwhile, 120 genes determining several characters have been associated with individual chromosomes and/or chromosome arms, including linkage studies for about 19 arrangements. Most results were obtained using wheat-rye addition lines as well as test crosses with defined translocations. Moreover, genetical studies based on appropriate trisomic and telotrisomic material resulted in the localization of 19 genes, including their linkage relationships.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00266535
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Mapping of genes for copper efficiency in rye and the relationship between copper and iron efficiency (1993)
    Springer
    Plant and soil 154 (1993), S. 61-65 
    Details
    ISSN: 1573-5036
    Keywords: Key words ; chromosome translocation ; copper efficiency ; DNA: DNA in situ DNA hybridization ; physical mapping ; phytosiderophores ; rye ; wheat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A 4B/5R wheat-rye translocation line derived from the Danish wheat variety ‘Viking’ was revealed to be highly copper efficient. The chromosomal exchange includes a very small terminal segment of chromosome arm 5RL of rye which was physically mapped by genomic DNA: DNA in situ hybridization and chromosome analysis. The gene for Cu efficiency (Ce) is linked to a dominant hairy neck character from rye (Ha1) and to two rye-specific leaf esterase loci (Est6, Est7), all of which are postulated to map to the distal part of 5RL. Genes coding for mugineic acid synthetase and 3-hydroxymugineic acid synthetase also on chromosome 5R are not included in the 4B/5R translocation and hence map outside the terminal 5R region. These genetic and molecular markers can be useful tools for large-scale screening in wheat breeding programmes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00011072
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    Paper (German National Licenses)
    Fulltext
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