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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Planta 153 (1981), S. 115-124 
    ISSN: 1432-2048
    Keywords: Antigen ; Callus ; Cell suspension culture ; Prunus ; Rosaceae ; Secretions, extracellular ; Self-incompatibility
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A number of antigenic components are secreted into the medium by P. avium callus cells derived from different tissues and grown in suspension culture. These antigens have been detected using antiserum raised in rabbits to a protein fraction secreted by P. avium leaf callus. One antigen is specific to leaf tissue and is secreted by callus cells derived from stem, pistil and anthers as well as leaves. A second antigen is, in intact organs, restricted to styles of a particular self-incompatibility (S) genotype, but is also secreted by callus cells derived from the leaf. Another antigen, apparently not organ-specific, is secreted by all calli tested, including Rosa (cv. Paul's Scarlet).
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2048
    Keywords: Antigen ; Glycoprotein ; Pollination ; Prunus ; S-allele ; Self-incompatibility ; Style mucilage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Several components of buffer extracts of Prunus avium L. styles (cv. Lambert, S 3 S 4) have been isolated and partially characterized: the major component is a glycoprotein (molecular weight approx. 90,000; 95% protein, 5.4% carbohydrate). A “sticky” uronic-acid-containing component and an arabinogalactan are also present. Two minor components are an antigenic glycoprotein associated with the self-incompatibility genotype (Antigen S) and a component found in styles of all Prunus species (Antigen P). The isolated glycoproteins have a substantial carbohydrate content (Antigen P 17.2%; Antigen S 16.3%), and have apparent molecular weights of 32,000 (Antigen P) and 37,000–39,000 (Antigen S). They are antigenically quite distinct. Material corresponding to Antigen S is secreted into the medium of suspension-cultured callus cells raised from both leaf and stem of P. avium.
    Type of Medium: Electronic Resource
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