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  • 1
    Electronic Resource
    Electronic Resource
    Subunit exchange between lectins from different cereal species (1982)
    Springer
    Planta 154 (1982), S. 568-572 
    Details
    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
    URL: http://dx.doi.org/10.1007/BF00403002
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Some aspects of the synthesis of long-lived messenger ribonucleoproteins in developing rye embryos (1979)
    Springer
    Planta 144 (1979), S. 485-490 
    Details
    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
    URL: http://dx.doi.org/10.1007/BF00380127
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Preformed and newly synthesized messenger RNA in germinating wheat embryos (1979)
    Springer
    Planta 144 (1979), S. 491-496 
    Details
    ISSN: 1432-2048
    Keywords: Embryo (mRNA) ; Germination (embryo) ; Messenger ribonucleoprotein ; mRNA ; Ribonucleoprotein (messenger) ; Translation ; Triticum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In 6 h germinated wheat (Triticum aestivum L. cv. Cama) embryos, more than half of the messenger RNAs are actively involved in translation. Neither preformed nor newly synthesized poly A+-RNA is translated preferentially. Germination in the presence of cordycepin showed that the half-life of the templates is about 2 h and that the newly synthesized messengers are essential to support protein synthesis in the embryo from the first hours of germination. Most of the messenger RNAs in 6 h germinated embryos are newly synthesized. The polypeptides coded for by either the endogenous messenger ribonucleoproteins or purified poly A+-RNA from both dry and germinated embryos are qualitatively identical; minor quantitative differences can however be observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00380128
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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