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. 1976 Jan;131(1):27-31.
doi: 10.1007/BF00387341.

Phytochrome-induced changes of β-fructosidase activity in radish cotyledons

M Zouaghi  1
Affiliations

Phytochrome-induced changes of β-fructosidase activity in radish cotyledons

M Zouaghi. Planta. 1976 Jan.

Abstract

β-fructofuranosidase (E.C.3.2.1.26) activity can hardly be detected in cotyledons from dark-grown radish (Raphanus sativus) seedlings. Under continuous far-red light two waves of β-fructofuranosidase activity can be observed. The first one concerns an acidic invertase which progressively disappears. This wave is followed by the appearance of a neutral invertase. Some characteristics of these two enzymes are given. Their regulation by light via phytochrome is discussed.

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