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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Planta 154 (1982), S. 568-572 
    ISSN: 1432-2048
    Keywords: Heteromeric lectin ; Hordeum ; Lectin ; Secale ; Triticale ; Triticum (lectins)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Lectins from Triticum monococcum, Secale cereale (rye), and Hordeum vulgare (barley) can exchange their subunits in vitro and thereby form (intergeneric) heteromeric lectins. An analysis of the isolectin pattern of a Triticale variety revealed that intergeneric heterodimers of wheat and rye lectin subunits are normal constituents of the embryo cells. It appears, therefore, that these different cereal lectins are structurally so closely related that their subunits can not distinguish between identical and nonidentical partners when they associate into dimers.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2048
    Keywords: Embryo (mRNA) ; Messenger ribonucleoprotein ; mRNA ; Ribonucleoprotein (messenger) ; Secale ; Seed development
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Untranslated messenger ribonucleoproteins (mRNPs informosomes) are present in developing rye (Secale cereale, L. cv. Celestijner) embryos throughout the last 5 weeks of seed formation. Ribosomal as well as non-ribosomal ribonucleoproteins are formed continuously both in primary axes and scutella until any synthesis of macromolecules stops upon dessication. The content of preformed messengers in the primary axes of precociously harvested rye grains increases as a function of embryo development. This increase of the “template load” of the primary axes results from a continuous accumulation of qualitatively identical mRNPs. Germination experiments demonstrated that at least most of the preformed messengers are not required for the germination process. Their function is discussed in terms of selective adaptation to unfavorable conditions.
    Type of Medium: Electronic Resource
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