Fissazione di CO2inCuscuta epithymum

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Abstract
CO2 FIXATION IN CUSCUTA EPITHYMUM. — Seedlings of Cuscuta epithymum fixe approximately the same amount of C14O2 irrespectively of age, pigmentation, presence or absence of light. Examination by paper chromatography of the extracts of plants exposed to C11O2 revealed that most, or all, of the radioactivity is concentrated in the area of the organic acids and of the acidic amino acids. It is tentatively concluded that C. epithymum fixes carbon dioxide through a mechanism different from that involving ribulose-1,5-diphosphate carboxylase and carboxydismutase.

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