Effect of germination on the proteinase activities detected in Soybean cotyledons

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Etat: Public
Version: de l'auteur
ID Serval
serval:BIB_D172645770B1
Type
Actes de conférence (partie): contribution originale à la littérature scientifique, publiée à l'occasion de conférences scientifiques, dans un ouvrage de compte-rendu (proceedings), ou dans l'édition spéciale d'un journal reconnu (conference proceedings).
Sous-type
Abstract (résumé de présentation): article court qui reprend les éléments essentiels présentés à l'occasion d'une conférence scientifique dans un poster ou lors d'une intervention orale.
Collection
Publications
Titre
Effect of germination on the proteinase activities detected in Soybean cotyledons
Titre de la conférence
13th Annual Meeting of the Union of Swiss Societies of Experimental Biology
Auteur(s)
Jaccard M., Meyer I., Widmer F.
Adresse
Lausanne, Switzerland, March 26-27, 1981
ISBN
0014-4754
Statut éditorial
Publié
Date de publication
1981
Peer-reviewed
Oui
Volume
37
Série
Experientia
Pages
626
Langue
anglais
Résumé
Soybeans (Glycine max. var. Altona) were germinated for up to 4 days. Radicles , teguments and epicotyls were then removed and aqueous extracts were obtained from freezedried, ground and defatted cotyledons. The proteolytic activity of the soymeal extracts was investigated using 16
different synthetic and natural substrates. Neutral and acid proteinases were detected, as well as aminopeptidases and carboxypeptidases. Comparison between germinated (1, 2, 3 and 4 days) and ungerminated cotyledons showed a dramatic increase of neutra! proteinase and carboxypeptidase C activities with germination, whereas acid proteinase and aminopeptidase activities decreased significantly from the first day of germination. Preliminary results demon-strated that a minimum of 3 molecular species were responsible for the aminopeptidase activity, whereas molecular weight monodispersity characterized the neutral proteinases.
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13/08/2015 8:01
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20/08/2019 15:51
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