Abstract

The metabolism of d-gluconate-[1- 14C] and -[6- 14C] by segments from etiolated hypocotyls of Phaseolus mungo has been studied. The release of 14CO 2 from gluconate-[1- 14C] was greater than that from gluconate-[6- 14C] in all parts of hypocotyls examined. Incorporation of the radioactivity from gluconate-[6- 14C] into RNA, lignin and aromatic amino acid fractions was greater in the upper (younger) part of the hypocotyls. Incorporation into sugars was greater in the lower (more mature) parts.

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