Transport of Polyamines in Sugar Beet Seedlings

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Abstract
The high levels of polyamines generally found in cotyledons of seedlings might be exported to hypocotyls and radicles. 14C-Labelled putrescine applied to a sugar beet seedling through a cotyledon was found in small amounts as putrescine in the hypocotyl or radicle within a few minutes. Significant amounts of the labelled putrescine, however, were metabolized rapidly to compounds which could not be extracted into the organic phase on dansylation.

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