198,578 research outputs found

    New rhamnogalacturonan degrading enzymes from Aspergillus aculeatus = Nieuwe rhamnogalacturonaan afbrekende enzymen uit Aspergillus aculeatus

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    Three new rhamnogalacturonan degrading enzymes were purified from a commercial enzyme preparation, Pectinex Ultra SP, produced by the fungus Aspergillus aculeatus . Pectinex Ultra SP is industrially used in the mash treatment of apples and pears in juice production, increasing juice yield. Rhamnogalacturonans are highly branched polysaccharides that are part of the pectin network in the plant cell wall. The purified enzymes were characterized and appeared to be only active toward rhamnogalacturonan and not toward the well-known pectic polysaccharide homogalacturonan. Rhamnogalacturonan rhamnohydrolase is able to remove the terminal nonreducing L-rhamnose residues which are α-(1,4)-linked to D-galacturonic acid residues in rhamnogalacturonans. Rhamnogalacturonan galacturonohydrolase is an enzyme able to remove the terminal nonreducing D-galacturonic acid residues which are α-(1,2)-linked to L-rhamnose residues in rhamnogalacturonans. Both enzymes were essential analytical tools in the study of the mode of action of rhamnogalacturonan hydrolase and a third new enzyme, rhamnogalacturonan lyase, toward linear rhamnogalacturonan oligosaccharides. While rhamnogalacturonan hydrolase cleaves α-D- galacturonic acid-(1,2)-L-rhamnose linkages by hydrolysis, rhamnogalacturonan lyase cleaves the α-L- rhamnose-(1,4)-D-galacturonic acid linkages by β-elimination. Both enzymes act in an endo-fashion, with a degree of multiple attack of 4 and 2.5 respectively toward modified hairy regions of apple. From the degree of multiple attack of these endo-enzymes, combined with information on the mode of action toward linear rhamnogalacturonan oligosaccharides, it could be estimated that the average length of rhamnogalacturonan regions In modified hairy regions of apple is at least 29 sugar residues

    New rhamnogalacturonan degrading enzymes from Aspergillus aculeatus = Nieuwe rhamnogalacturonaan afbrekende enzymen uit Aspergillus aculeatus

    No full text
    Three new  rhamnogalacturonan degrading enzymes were purified from a commercial enzyme preparation, Pectinex Ultra SP, produced by the fungus Aspergillus aculeatus . Pectinex Ultra SP is industrially used in the mash treatment of apples and pears in juice production, increasing juice yield. Rhamnogalacturonans are highly branched polysaccharides that are part of the pectin network in the plant cell wall. The purified enzymes were characterized and appeared to be only active toward rhamnogalacturonan and not toward the well-known pectic polysaccharide homogalacturonan. Rhamnogalacturonan rhamnohydrolase is able to remove the terminal nonreducing L-rhamnose residues which are α-(1,4)-linked to D-galacturonic acid residues in rhamnogalacturonans. Rhamnogalacturonan galacturonohydrolase is an enzyme able to remove the terminal nonreducing D-galacturonic acid residues which are α-(1,2)-linked to L-rhamnose residues in rhamnogalacturonans. Both enzymes were essential analytical tools in the study of the mode of action of rhamnogalacturonan hydrolase and a third new enzyme, rhamnogalacturonan lyase, toward linear rhamnogalacturonan oligosaccharides. While rhamnogalacturonan hydrolase cleaves α-D- galacturonic acid-(1,2)-L-rhamnose linkages by hydrolysis, rhamnogalacturonan lyase cleaves the α-L- rhamnose-(1,4)-D-galacturonic acid linkages by β-elimination. Both enzymes act in an endo-fashion, with a degree of multiple attack of 4 and 2.5 respectively toward modified hairy regions of apple. From the degree of multiple attack of these endo-enzymes, combined with information on the mode of action toward linear rhamnogalacturonan oligosaccharides, it could be estimated that the average length of rhamnogalacturonan regions In modified hairy regions of apple is at least 29 sugar residues

    Die @Mutter, oder das glückliche Elend : Eine Geschichte

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    Vorlageform der Veröffentlichungsangabe: Leipzig, bey M. G. Weidmanns Erben und Reich. 1762

    Die Mutter, oder das glückliche Elend : Eine Geschichte

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    Vorlageform der Veröffentlichungsangabe: Leipzig, bey M. G. Weidmanns Erben und Reich

    Die @Mutter, oder das glückliche Elend : Eine Geschichte

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    Vorlageform der Veröffentlichungsangabe: Leipzig, bey M. G. Weidmanns Erben und Reich. 1762

    Demographic Evolution in a Rural South Georgia County, Ramifications for Public Policy

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    Presentation given by Georgia Southern faculty members Karen M. McCurdy and Larry R. Mutter at the Rural Sociological Society Meeting

    [Mutter Ey]

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    M. BarzMotiv: Mutter Ey sitzend, den Betrachter anschauend. Zeichnung von 1936Anlässlich der Ausstellung "Mathias Barz - Gemälde und Grafiken vom 10. September bis 19. Oktober 1980 im Stadtmuseum Düsseldorf"Ausstellungszeitraum: 10.09.1980-19.10.198

    PSYNDEX Tests Review für M-K-T - MUTTER-UND-KIND-TEST

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    This is a PSYNDEX Tests Review of M-K-T - MUTTER-UND-KIND-TEST. PSYNDEX Tests Reviews are written in German and describe and evaluate psychological and educational tests used in the German-speaking countries. PSYNDEX Tests is offered by the Leibniz Institute for Psychology as open access documentation.Das ist ein PSYNDEX Tests Review zu M-K-T - MUTTER-UND-KIND-TEST. PSYNDEX Tests Reviews beschreiben und bewerten zentrale psychologische und pädagogische Testverfahren, die in den deutschsprachigen Ländern eingesetzt werden, nach einem standardisierten Raster. PSYNDEX Tests wird durch das Leibniz-Institut für Psychologie als Open Access Dokumentation angeboten.publishedVersio
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