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Evidence for an intra- and extraplastidic pre-chorismate pathway

✍ Scribed by G. M. Rothe; G. Hengst; I. Mildenberger; H. Scharer; D. Utesch

Publisher: Springer-Verlag
Year: 1983
Tongue: English
Weight: 805 KB
Volume: 157
Category: Article
ISSN: 0032-0935
DOI: 10.1007/bf00397408

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✦ Synopsis

Pea plants grown under different conditions of cultivation, and eight different plant species with variegated leaves were used to study the intracellular localization of shikimate oxidoreductase (EC 1.1.1.25), the marker enzyme of the pre-chorismate pathway. The two series of experiments indicated an intraand an extraplastidic compartimentalization of the enzyme, and both enzyme activities are regulated differentially. While the extraplastidic activity is permanently demonstrable, the intraplastidic activity is subject to the plants' developmental state and also depends on both illumination and fertilization.

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