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The results of tracer experiments performed with anthers of Tulipa cv. Apeldoorn have already shown that a high level of incorporation into the sporopollenin fraction was achieved, when [ 14 C]phenylalanine was applicated as a precursor. In order to investigate whether the substantial incorporation of [ 14 C]phenylalanine is a unique phenomenon restricted to Tulipa, tracer experiments were carried out on anthers of Cucurbita maxima.

zeitschrift für naturforschung c

Studies on Sporopollenin Biosynthesis in Cucurbita maxima I: The Substantial Labeling of Sporopollenin from Cucurbita maxima after Application of [ 14 C]Phenylalanine