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  • 1980-1984  (2)
  • 1975-1979
  • 1984  (2)
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  • 1980-1984  (2)
  • 1975-1979
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  • 1
    Electronic Resource
    Electronic Resource
    Occurrence and behavior of the components of the 02-m(r)-Bg system of maize controlling elements (1984)
    Springer
    Molecular genetics and genomics 197 (1984), S. 209-218 
    Details
    ISSN: 1617-4623
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary o2-m(r) is an unstable allele of the O2 locus responding to the regulatory element Bg by somatic reversion. The spontaneous occurrence and the properties of the components of this system of controlling elements have been investigated. The system appears to have some degree of specificity for the O2 locus, because the majority of spontaneous O2 mutations are responsive to Bg. The component at the controlled locus undergoes frequent changes in state, while the Bg element appears more stable. Bg activity was revealed in 11 out of 108 open-pollinated varieties of maize. Most of the newly isolated Bg elements are linked with the O2 locus. The timing of induction of reversion events (which are restricted to mitotic division leading to egg or pollen maturation and to the developing endosperm) appears to correlate with the degree of linkage between Bg and the O2 locus. Germinal reversions of o2-m(r) to wild type give rise with a frequency around 5×10-4 to unstable phenotypes. Some peculiar features of the o2-m(r)-Bg system of controlling elements are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00330965
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The role of structural and regulatory genes in the development of maize endosperm (1984)
    Chichester [u.a.] : Wiley-Blackwell
    Developmental Genetics 5 (1984), S. 1-25 
    Details
    ISSN: 0192-253X
    Keywords: maize ; endosperm ; mutants ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/dvg.1020050102
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    Paper (German National Licenses)
    Fulltext
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