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Planta. 1982 Mar;154(1):66-9. doi: 10.1007/BF00385498.

The site of carotenogenic enzymes in chromoplasts from Narcissus pseudonarcissus L.

Author information

1
Institut für Biologie II, Zellbiologie, Universität Freiburg, Schänzlestraße 1, D-7800, Freiburg, Federal Republic of Germany.

Abstract

The membranes from the chromoplasts of Narcissus pseudonarcissus L. which are derived from the inner envelope membrane are the site of β-carotene synthesis from [1-(14)C]isopentenyl diphosphate. The enzymes involved are partly peripheral membrane proteins (prenyltransferase, phytoene synthase) and partly integral membrane proteins (cis-trans isomerase, dehydrogenase(s), cyclase(s)). Metabolic channeling is suggested.

PMID:
24275919
DOI:
10.1007/BF00385498

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