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Untersuchunge ber Stoffwechselbeziehungen zwischen Parasit und Wirt am Beispiel von Puccinia graminis var. tritici auf Weizen: I. Aufnahme von Aminosuren aus dem Wirtsgewebe by K. Jäger; H.-J. Reisener is a Agricultural and Biological Sciences article available to read on EtoBox.

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Host-Parasite Metabolic Relationship Between Puccinla graminis vat. tritici and Triticum vulgare (Wheat) I. Uptake of Amino Acids from the Host Summary. l~ust infected wheat plants were incubated with different 14C-labelled amino acids. Uredospores that were formed during the incubation contained laC-activity. By analysis of these spores it was investigated whether the parasitic mycelinm of Puccinia graminis takes amino acids from the host. It could be demonstrated that the applicated amino acids were taken up directly from the wheat leaf. The carbon seeletons of applicated lysine and arginine showed only little randomization of 14C-activity. Glutamie acid, alanine and glycine isolated from uredospore protein showed a very strong alteration of the original label. The pools of free amino acids in the host and the parasite are in isotope equilibrium. This demonstrates, that synthesis of amino acids in the mycelinm is quantitatively not important. By following the kinetics of incorporation of an amino acid it could be demonstrated that the amino acids enter the parasite as free amino acids and not in the form of proteins. ## Einleitung Durch zahlreiche Versuche ist gezeigt worden, da~

Who reads Untersuchunge ber Stoffwechselbeziehungen zwischen Parasit und Wirt am Beispiel von Puccinia graminis var. tritici auf Weizen: I. Aufnahme von Aminosuren aus dem Wirtsgewebe?

Author

K. Jäger; H.-J. Reisener

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0032-0935)

Published

1969

Language

DE

Field

Agricultural and Biological Sciences (Life Sciences)